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Medtronic Inc patents (2016 archive)


Recent patent applications related to Medtronic Inc. Medtronic Inc is listed as an Agent/Assignee. Note: Medtronic Inc may have other listings under different names/spellings. We're not affiliated with Medtronic Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Medtronic Inc-related inventors


Optimized flash memory device for miniaturized devices

An implantable medical device have an associated memory device is disclosed. The implantable medical device utilizes techniques for optimizing one or more embedded operations of the memory device, such operations including programming, reading or erasing data. ... Medtronic Inc

Programming posture responsive therapy

A programming session for an implantable medical device that includes a posture responsive therapy mode includes at least two phases. In a first phase, a first set of therapy parameter values are modified while the posture responsive therapy mode is deactivated. ... Medtronic Inc

Medical lead fastener including integrated clamp

The disclosure is directed to programming implantable stimulators to deliver stimulation energy via one or more implantable leads having complex electrode array geometries. The disclosure also contemplates guided programming to select electrode combinations and parameter values to support efficacy. This disclosure includes techniques for securing the proximal ends of a medical lead to the connector block of an imd with a fastener device that incorporates a flexible clamp. A fastener device for a medical device comprising a flexible clamp forming a clamp aperture, wherein the flexible clamp includes a clamp protrusion configured to facilitate actuation of the flexible clamp, a rigid body, wherein the rigid body connects to and surrounds the flexible clamp, and an actuator configured to actuate on the clamp protrusion to change a perimeter of the clamp aperture, wherein the change of the perimeter of the clamp aperture by the actuator is configured to apply a compressive force about a perimeter of an electrical contact of a medical lead in the clamp aperture to electrically and mechanically connect the medical lead to the fastener device.. ... Medtronic Inc

Therapeutic window determination

A therapeutic window for at least one electrode of a medical system may be determined based on a volume of tissue expected to be activated (“vta”) by electrical stimulation delivered by the at least one electrode. In some examples, a processor determines the therapeutic window for a particular electrode by at least determining an efficacy threshold based on the vta expected to result from the delivery of electrical stimulation according to a set of electrical stimulation parameter values including the stimulation parameter at the efficacy threshold, and determining an adverse-effects threshold based on the vta expected to result from the delivery of electrical stimulation according to a set of electrical stimulation parameter values including the stimulation parameter at the adverse-effects threshold.. ... Medtronic Inc

Transcatheter prosthetic heart valve post-dilatation remodeling devices and methods

A system and method for restoring (e.g., replacing) a defective heart valve of a patient. A delivery system is manipulated to percutaneously deliver and implant a stented prosthetic heart valve to a native heart valve. ... Medtronic Inc

Method and apparatus for identification of multiple navigated instruments

A tracking system can be used to track a plurality of tracking devices. A representation of at least two instruments may be displayed relative to image data. ... Medtronic Inc

Neuromodulation catheters and related devices, systems, and methods

A neuromodulation catheter in accordance with a particular embodiment includes an elongate shaft and a neuromodulation element operably connected to the shaft. The shaft includes a proximal hypotube segment at its proximal end portion and a jacket disposed around at least a portion of an outer surface of the hypotube segment. ... Medtronic Inc

Dynamic pairing of patients to data collection gateways

Systems, devices and methods transmit data from a patient device to a location, for example a remote location, where the patient is monitored. The system may comprise a server system, for example a backend server system, a gateway and the patient worn device. ... Medtronic Inc

Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and an optical sensor

A fluid infusion device includes a fluid pump mechanism having a rotor and a stator. The rotor includes an optically detectable feature, a reference surface, and a cam element rising from the reference surface. ... Medtronic Inc

Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and sensor contact elements

A fluid infusion device includes a pump mechanism having a rotor and a stator. The rotor includes a reference surface and a cam element rising from the reference surface. ... Medtronic Inc

Incontinence therapy

Techniques for managing urinary or fecal incontinence include delivering a first type of therapy to generate a first physiological response and, upon detecting a trigger event, delivering a second type of therapy to generate a second physiological response. The first type of therapy can be delivered on a substantially regular basis, while the second type of therapy is delivered as needed to provide an additional boost of therapy. ... Medtronic Inc

Method and apparatus for optimization of cardiac resynchronization therapy using vectorcardiograms derived from implanted electrodes

A cardiac resynchronization pacemaker and a method of adjusting the pacemaker. The method includes deriving a vectorcardiogram from implanted electrodes (d-vcg), analyzing the d-vcg, deriving optimal crt pacing parameters from the analysis of the d-vcg, and adjusting the crt pacemaker according to the derived parameters. ... Medtronic Inc

Skive-less sheath

An introducer sheath that is coupled to or integrated with a secondary device insertion hub, such as a hemostasis valve hub, wherein the secondary device insertion hub is received within a proximal portion of the introducer sheath. The introducer sheath may include one or more pull wire lumens, and the secondary device insertion hub does not cover or obstruct the proximal opening of each of the one or more pull wire lumens when coupled to or integrated with the introducer sheath. ... Medtronic Inc

Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and multiple sensor contact elements

A fluid infusion device includes a pump having a rotor and a stator. A rotor cam element rises from a reference surface of the rotor. ... Medtronic Inc

12/22/16 / #20160367751

Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and rotor position sensors

An embodiment of a fluid infusion device includes a fluid pump mechanism having a rotor and a stator. The rotor includes a reference surface and a cam element rising from the reference surface, and the stator includes a cam element having a stator cam surface. ... Medtronic Inc

12/22/16 / #20160367750

Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and a force sensor

An embodiment of a fluid infusion device includes a fluid pump mechanism having a rotor and a stator. The rotor includes a reference surface and a cam element rising from the reference surface. ... Medtronic Inc

12/22/16 / #20160367364

Transcatheter valve prosthesis and a concurrently delivered sealing component

A method of preventing paravalvular leakage includes concurrent delivery of a heart valve prosthesis and an annular sealing component. During delivery, the sealing component is moved from a first position to a second position of the heart valve prosthesis which is longitudinally spaced apart from the first position of the heart valve prosthesis. ... Medtronic Inc

12/22/16 / #20160367363

Heart valve prosthesis recapture devices

Heart valve prosthesis recapture devices and methods for recapture are disclosed, which can be used for recapturing a partially deployed heart valve prosthesis. The recapture device comprises a recapture sleeve, configured to envelop and collapse a partially deployed heart valve prosthesis. ... Medtronic Inc

12/22/16 / #20160367362

Delivery systems and methods of implantation for replacement prosthetic heart valve

A delivery system and method for positioning and partially deploying a replacement valve at an implantation site, verifying the location of the replacement valve relative to the implantation site, and retrieving the partially deployed stent for repositioning relative to the implantation site.. . ... Medtronic Inc

12/22/16 / #20160367331

Medical device implantation and positioning system

An implantation system for positioning and aligning an elongate medical device in three-dimensional space. The system may include: a frame member; and first, second, and third legs each having an adjustable length. ... Medtronic Inc

12/22/16 / #20160367306

Fluid control system for a medical device

The present invention provides a medical device having an elongate body with both a proximal end and a distal end, wherein the elongate body defines an intake lumen and an exhaust lumen. The medical device also has a first pliable element defining a cooling chamber disposed at a point along the elongate body, with the cooling chamber being in fluid communication with the intake lumen and the exhaust lumen. ... Medtronic Inc

12/22/16 / #20160367305

Catheter breach loop feedback fault detection with active and inactive driver system

A fault-detection method, system, and device for a cryosurgical system that avoids a false-positive detection of a fault condition, such as fluid ingress within the system. The fault-detection mechanism may generally include a driver having an active mode and an inactive mode, the driver generating an output signal when the driver is in active mode, a detector, the detector capable of receiving the driver output signal, and a detector verification controller in communication with the driver and the detector, the detector verification controller changing the driver from the active mode to the inactive mode when the detector receives the driver output signal. ... Medtronic Inc

12/15/16 / #20160361536

Securing an implantable medical device in position while reducing perforations

Methods and systems of making a medical electrical lead type having a set of tines. A system for implantation of a lead medical electrical lead in contact with heart tissue, comprises an elongated lead body; a set of curved tines mounted to and extending from a distal end of the lead body, the tines having a length (dd) and an effective cross sectional area, and a delivery catheter. ... Medtronic Inc

12/15/16 / #20160361460

Useful polysaccharide after radiation sterilization

A purified and sterilized polysaccharide that exhibits enhanced and extended shelf life over conventionally prepared polysaccharides for biomedical applications. The polysaccharide, upon crosslinking, forms a hydrogel that functions as a protective coating or on tissue and structures in the ears, nose, throat, limbs and spinal column.. ... Medtronic Inc

12/15/16 / #20160361184

Delivery systems and methods of implantation for prosthetic heart valves

A delivery system for delivering an implantable stented device to a lumen of a patient, the delivery system including an elongated body having a proximal end and a distal end, a driver mechanism positioned at the proximal end of the elongated body, an elongated threaded rod located axially distal to the driver mechanism, and a sheath including an elongated tubular portion having a hollow interior portion with a first diameter that is sized for compression and retention of the implantable stented device in a compressed configuration for delivery to a body lumen.. . ... Medtronic Inc

12/15/16 / #20160361183

Medical device delivery systems and methods of use thereof

A delivery system for delivering a medical device through a vasculature can include a capsule for housing the medical device during delivery and a marker band rotatably fixed to the capsule. The marker band can include a band portion and a single indicator protruding from the band portion. ... Medtronic Inc

12/15/16 / #20160361167

Stent loading tool and method for use thereof

A loading tool for withdrawing, crimping, and loading a stent-mounted valve into a delivery catheter, and for pushing the stent-mounted valve from the delivery catheter into a native heart valve orifice. The loading tool comprises at least one connector adapted for being removably connected to the stent of the stent-mounted valve. ... Medtronic Inc

12/15/16 / #20160361166

Catheter assembly with prosthesis crimping and prosthesis retaining accessories

A prosthesis retaining assembly for securing an implantable prosthesis to a catheter assembly can include a first member including a prosthesis retaining slot configured to retain a portion of the prosthesis. The retaining slot can have a first portion with a first width and a second portion with a second width. ... Medtronic Inc

12/15/16 / #20160361164

Medical device delivery systems and methods

A delivery system for deploying a medical device includes a first attachment member configured to selectively couple to and radially constrain a first end portion of the medical device. The delivery system also includes a second attachment member configured to selectively couple to and radially constrain a second end portion of the medical device. ... Medtronic Inc

12/15/16 / #20160361117

Broncoscope-compatible catheter provided with electrosurgical device

A catheter system can include an electrical adapter and a catheter. The electrical adapter includes a hollow adapter body having a longitudinally extending channel and an electrical terminal positioned within the channel. ... Medtronic Inc

12/15/16 / #20160361116

Bi-modal catheter steering mechanism

Medical devices, systems, and methods for treating patients with tissue ablation include catheter systems having bi-modal steering mechanisms, which are capable of both linear and loop ablation. In other words, the catheter system may have two different steering modes: two-dimensional and three-dimensional. ... Medtronic Inc

12/15/16 / #20160361058

Devices, systems, and methods for endovascular staple and/or prosthesis delivery and implantation

Devices, systems, and methods for implanting expandable prostheses in the body lumens rely on stapling or anchoring the prostheses with separately introduced fasteners. The prostheses may be self-expanding or balloon expandable, and may include a single lumen or wore than one lumen. ... Medtronic Inc

12/15/16 / #20160361026

Method and apparatus for monitoring tisue fluid content for use in an implantable cardiac device

Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A system is provided that monitors a multiple diagnostic parameters indicative of worsening heart failure. ... Medtronic Inc

12/15/16 / #20160361024

System and method for monitoring and classifying atrial fibrillations

A system and method of detecting and classifying atrial fibrillations (afs) monitors an electro-cardiogram (ecg) signal of the patient. Based on the monitored ecg signals, af episodes are detected. ... Medtronic Inc

12/15/16 / #20160360975

Posture-induced changes to physiological parameters

Methods and devices for analyzing posture-induced changes to physiological parameters of a patient (e.g., ejection time, heart rate, etc.) to provide an assessment of one or more conditions of the patient.. . ... Medtronic Inc

12/08/16 / #20160354611

Medical devices including flexible circuit bodies with exposed portions of circuit traces attached to electrical contacts of components

Medical devices include stimulation and/or sensing circuitry that is interconnected to electrical components by a flexible circuit body having exposed portions of circuit traces that are attached to electrical contacts of the electrical components. Each circuit trace may span a separate window formed in an insulative body of the flexible circuit body, or a plurality of circuit traces may span a single window or may be freely extending from the insulative body. ... Medtronic Inc

12/08/16 / #20160354540

Pressure based refill status monitor for implantable pumps

The present invention includes systems and methods for detecting fluid flow into or out of a port chamber or a reservoir of an implantable medical device utilizing a pressure sensor and calculating the fluid status of the reservoir. The system detects characteristic pressure profiles associated with fluid flowing into the medical device, out of the medical device, and also whether one or both of the port chamber or reservoir are substantially empty or substantially full. ... Medtronic Inc

12/08/16 / #20160354532

Cannular device and method of manufacture

A cannula comprising a polymeric material which is phthalate-free, yet retains flexibility, workability and elongation properties so as to avoid kinking when bent. Also disclosed is a method of manufacturing a cannular device comprising extruding a flexible, biocompatible, phthalate-free polymeric composition through a round die into a tube, pulling the tube through a water bath at a rate established according to a predetermined function, and cutting the tube to for a cannular device, wherein the predetermined function periodically modulates a pulling rate.. ... Medtronic Inc

12/08/16 / #20160354500

Protective agents against e-beam irradiation for proteins in optical sensing chemistry

Medical devices are typically sterilized in processes used to manufacture such products and their sterilization by exposure to radiation is a common practice. Radiation has a number of advantages over other sterilization processes including a high penetrating ability, relatively low chemical reactivity, and instantaneous effects without the need to control temperature, pressure, vacuum, or humidity. ... Medtronic Inc

12/08/16 / #20160354203

Sinus-engaging valve fixation member

A prosthesis is provided for implantation at a native semilunar valve of a native valve complex, the native valve complex having three semilunar sinuses and three native commissures. The prosthesis includes a valve prosthesis support, which comprises a support structure comprising exactly three engagement arms that meet one another at three respective junctures. ... Medtronic Inc

12/08/16 / #20160354201

Filtered sealing components for a transcatheter valve prosthesis

A transcatheter valve prosthesis includes a stent having a compressed configuration for delivery within a vasculature and an expanded configuration for deployment within a native heart valve and a prosthetic valve component disposed within and secured to the stent. A compartment is coupled to the stent, and a filtered opening into the compartment is configured to permit blood flow there-through and to trap emboli in the blood flow within the compartment.. ... Medtronic Inc

12/08/16 / #20160354146

Bi-modal linear and loop ablation catheter, and method

Medical devices, systems, and methods for treating patients with tissue ablation include catheter systems having hi-modal steering mechanisms, which are capable of both linear and loop ablation. In other words, the catheter system may have two different steering modes: two-dimensional and three-dimensional. ... Medtronic Inc

12/08/16 / #20160354134

Multifunctional ablation device

An intravascular catheter is provided, including a flexible elongate body; an expandable element positioned on the elongate body; a substantially linear thermal segment located proximally of the expandable element, the thermal segment defining a first flexibility, where the thermal segment is positioned between two portions of the catheter body each including a flexibility less than that of the thermal segment; a first fluid flow path in fluid communication with the expandable element; and a second fluid flow path in fluid communication with the thermal segment.. . ... Medtronic Inc

12/08/16 / #20160354091

Tissue compression device with pressure indicator

Tissue compression devices having pressure indicators and methods of using the same. The tissue compression devices provide feedback to a user with respect to the pressure being applied to selected tissue at a selected location such as a radial artery to assist the user in applying the desired amount of pressure to the tissue (such as the pressure needed to achieve hemostasis at an access site). ... Medtronic Inc

12/08/16 / #20160354019

Glycemic health metric determination and application

Disclosed are methods, apparatuses, etc. For determination and application of a unidimensional metric for assessing a patient's glycemic health. ... Medtronic Inc

12/01/16 / #20160351293

Medical electrical lead joints and methods of manufacture

A joint between an insulative sidewall of a medical electrical lead subassembly and an underlying fluoropolymer layer includes an interfacial layer. A first section of the interfacial layer is bonded to the fluoropolymer layer and is formed by a thermoplastic fluoropolymer; a second section of the interfacial layer extends adjacent the first section and is bonded to the insulative sidewall. ... Medtronic Inc

12/01/16 / #20160346558

Method and apparatus for verifying discriminating of tachycardia events in a medical device having dual sensing vectors

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector sensing a first interval and a second sensing vector simultaneously sensing a second, determining, for each of the first interval and the second interval, whether each beat of the plurality of beats is one of a match beat and a non-match beat, determining whether each beat of the plurality of beats is one of a high confidence beat and a low confidence beat, determining, for each of the first interval and the second interval, the number of beats determined to be both a non-match beat and a high confidence beat is greater than a non-match threshold, and determining whether to deliver therapy for the cardiac event in response to identifying of each of the first interval and the second interval as being one of shockable and not shockable.. . ... Medtronic Inc

12/01/16 / #20160346548

Simultaneous physiological sensing and stimulation with saturation detection

Systems and method may be used for interfacing with a patient. Systems may include a plurality of electrodes in electrical communication with a processor. ... Medtronic Inc

12/01/16 / #20160346534

Impedance matching and electrode conditioning in patient interface systems

Systems and method may be used for interfacing with a patient. Systems may include a plurality of electrodes in electrical communication with a processor. ... Medtronic Inc

12/01/16 / #20160346531

Modular lead end

Various embodiments of this disclosure concern assembly of a lead having one or two modular lead ends. A modular lead end can be made by aligning a plurality of wires exposed on an end of a main lead body with a plurality of conductors exposed on an end of a lead end. ... Medtronic Inc

12/01/16 / #20160346516

Anchor sleeve deployment for implantable medical devices

An introducer assembly that may be employed to implant a medical device includes an introducer shaft, and an anchor sleeve and a deployment tool mounted on the shaft. According to some methods, the sleeve is deployed onto an elongate body of the medical device, after the body has been advanced through a lumen of the introducer shaft and to an implant site within a body of a patient, by pulling the introducer shaft proximally, out from the body of the patient, while holding the deployment tool in place, relative to the advanced body of the device.. ... Medtronic Inc

12/01/16 / #20160346459

Error handling in infusion devices with distributed motor control and related operating methods

Infusion systems, infusion devices, and related operating methods are provided. An exemplary infusion device includes a motor operable to deliver fluid to a body of a user, a first control module to enable input power for the motor and provide a dosage command for operating the motor, and a second control module coupled to the first control module to receive the dosage command and operate the motor using at least a portion of the input power based at least in part on the dosage command. ... Medtronic Inc

12/01/16 / #20160346458

Infusion devices with distributed motor control and related operating methods

Infusion systems, infusion devices, and related operating methods are provided. An exemplary infusion device includes a motor operable to deliver fluid to a body of a user, a first control module, and a second control module. ... Medtronic Inc

12/01/16 / #20160346083

Valve holder

Methods and apparatus for holding and maneuvering a valve during preparation and attachment to patient, providing increased visibility of the prosthetic valve and the sewing ring to prevent suture entanglement. A handle attachment is spaced from the valve for improved visibility of the sewing ring and the outlet end of the valve during attachment. ... Medtronic Inc

12/01/16 / #20160345997

Inner tubular member for angled rotary surgical instrument

An inner member rotatable in an angled outer tubular member of a rotary surgical cutting instrument includes first and second tubular members. The first tubular member includes rigid proximal and distal portions comprised of a first material and a flexible intermediate portion comprised of a second material. ... Medtronic Inc

12/01/16 / #20160345905

Endobronchial tube apparatus

Concepts presented herein include an apparatus for monitoring emg signals of a patient's laryngeal muscles. The apparatus includes an endobronchial tube having an exterior surface and two lumens for providing ventilation. ... Medtronic Inc

12/01/16 / #20160345873

Method for monitoring an analyte, analyte sensor and analyte monitoring apparatus

A method for monitoring an analyte within the body of a patient, an analyst sensor, and an analyte monitoring apparatus are presented here. In accordance with certain embodiments, the method for monitoring an analyte within the body of a patient includes implanting an analyte sensor at a sensor placement site in the patient. ... Medtronic Inc

11/24/16 / #20160342762

Remote management of therapy programming

The disclosure is directed to techniques for remote management of information relating to therapy delivered to a patient by an implantable medical device (imd). A remote monitoring system for therapy programming includes an imd that delivers therapy, e.g., neurostimulation, drug therapy, or both, to a patient, an external programming device associated with the imd, such as a patient programmer, and a remote networking device that receives usage information from the external programming device. ... Medtronic Inc

11/24/16 / #20160341831

X-ray imaging system and method

An x-ray imaging system can include an x-ray source that projects a beam of x-ray radiation and an x-ray detector positioned to receive the beam of x-ray radiation at a location. The x-ray detector can include: (i) a monolithic substrate having a first side and a second side opposite the first side, (ii) a scintillation layer arranged upon the first side and including a first region and a second region, the first region having a first x-ray sensitivity and the second region having a second x-ray sensitivity different than the first x-ray sensitivity, and (iii) a photosensor array arranged upon the second side. ... Medtronic Inc

11/24/16 / #20160339260

Implantable medical devices with active component monitoring

An implantable medical device includes a housing, a power source and an operational circuit that is coupled to the power source. The operational circuit includes a first electrode terminal and a second electrode terminal, an output circuit configured to deliver an electrical stimulation therapy through the first and second electrode terminals and a control circuit configured to evaluate an electrical parameter associated with the output circuit and to control generation of the electrical stimulation therapy responsive to a result of the evaluated parameter. ... Medtronic Inc

11/24/16 / #20160339259

Presentation of information associated with medical device therapy

This disclosure is related to techniques for presenting therapy factors related to medical device therapy in a manner that allows a user, such as a patient or a clinician, to receive, comprehend and evaluate information relating to therapy delivered by the medical device efficiently. In one aspect, a method comprises obtaining a data set corresponding to a therapy factor associated with delivery of a medical therapy to a patient with a medical system including an implantable medical device, receiving a user selection associated with a subset of the data set, the subset of the data set including less than all the information relating to the therapy factor in the data set, and presenting a representation, corresponding to the subset of the data set, of the therapy factor on a display of a programmer.. ... Medtronic Inc

11/24/16 / #20160339255

Adaptive cardiac resynchronization therapy

Cardiac resynchronization therapy (crt) delivered to a heart of a patient may be adjusted based on detection of a surrogate indication of the intrinsic atrioventricular conduction of the heart. In some examples, the surrogate indication is determined to be a sense event of the first depolarizing ventricle of the heart within a predetermined period of time following the delivery of a fusion pacing stimulus to the later depolarizing ventricle. ... Medtronic Inc

11/24/16 / #20160339248

Efficient delivery of multi-site pacing

An implantable device and associated method for delivering multi-site pacing therapy is disclosed. The device comprises a set of electrodes including a first ventricular electrode and a second ventricular electrode, spatially separated from one another and all coupled to an implantable pulse generator. ... Medtronic Inc

11/24/16 / #20160339247

Modifying atrioventricular delay based on activation times

Methods and/or devices may be configured to monitor ventricular activation times and modify an atrioventricular delay (av delay) based on the monitored ventricular activation times. Further, the methods and/or devices may determine whether the av delay should be modified based on the measured activation times before modifying the av delay.. ... Medtronic Inc

11/24/16 / #20160339235

Active fixation medical electrical lead

A medical electrical lead and a method of its use. The lead has an elongated lead body having an outer circumference and provided with an electrode. ... Medtronic Inc

11/24/16 / #20160339175

Infusion devices and related methods for therapy recommendations

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device to deliver fluid to a body of a user involves autonomously operating the infusion device to deliver a variable rate of infusion of the fluid in a first operating mode, determining a residual amount of active fluid in the body of the user based at least in part on the variable rate of infusion delivered by the infusion device in the first operating mode, and in response to identifying a change in operating mode from the first operating mode, generating a user notification based at least in part on the residual amount of active fluid. ... Medtronic Inc

11/24/16 / #20160339171

Detecting unintentional motor motion and infusion device incorporating same

Apparatus are provided for infusion devices and related systems and operating methods. An exemplary system includes a motor, a sensing arrangement coupled to the motor to provide output indicative of a detected characteristic of the motor when the sensing arrangement is enabled, and a module coupled to the sensing arrangement to periodically enable the sensing arrangement while the motor is idle and detect potential unintended motion of the motor based on the output from the sensing arrangement while periodically enabling the sensing arrangement. ... Medtronic Inc

11/24/16 / #20160338862

Distal tip for a delivery catheter

Distal tips for use with delivery catheters are disclosed that are configured to maintain complete engagement between the distal tip and a distal opening of a sheath component of the delivery catheter so as to prevent separation therebetween and/or to prevent fish-mouthing of a distal leading edge of the sheath component during in vivo use. Distal tips so configured realize one or more of the objectives of safer tracking of the delivery catheter through the vasculature, safe crossing of the delivery catheter through structural components of the vasculature and heart, such as through native valves, and safe removal of the delivery catheter post deployment.. ... Medtronic Inc

11/24/16 / #20160338780

Selected image acquisition technique to optimize patient model construction

A system and a method are disclosed that allow for generation of a model or reconstruction of a model of a subject based upon acquired image data. The image data can be acquired in a substantially mobile system that can be moved relative to a subject to allow for image acquisition from a plurality of orientations relative to the subject. ... Medtronic Inc

11/17/16 / #20160331978

Minimally invasive implantable neurostimulation system

An implantable medical device (imd) has a housing enclosing an electronic circuit. The housing includes a first housing portion, a second housing portion and a joint coupling the first housing portion to the second housing portion. ... Medtronic Inc

11/17/16 / #20160331977

Cardiac therapy based upon impedance signals

Methods and/or devices are disclosed herein for monitoring cardiac impedance signal and delivering therapy to a patient's heart based upon the monitored cardiac impedance.. . ... Medtronic Inc

11/17/16 / #20160331935

Cross slit gasket for introducer sheath

A sheath introducer system including a sheath introducer defining a lumen therethrough and having a proximal valve housing in fluid communication with a distal tubular sheath, wherein a proximal end of the valve housing defines a proximal opening of the lumen of the sheath introducer. A gasket seated within the valve housing has a first surface, a second surface and an outer periphery extending between the first and second surfaces. ... Medtronic Inc

11/17/16 / #20160331933

Dual deflection pull wire ring

A system and method for anchoring a pull wire within the distal portion of a device elongate body. A steering deflection mechanism includes a pull ring having a plurality of apertures and two receiving slots. ... Medtronic Inc

11/17/16 / #20160331884

System and method to regulate ultrafiltration

A medical device system including a physiological sensor and ultrafiltration unit senses a physiological signal in a patient and computes a fluid status measurement of the patient using the physiological signal. Ultrafiltration therapy is delivered to the patient according to a therapy delivery control parameter established in response to the fluid status measurement.. ... Medtronic Inc

11/17/16 / #20160331530

Stented prosthetic heart valve

A stented prosthetic heart valve including a stent assembly, a leaflet assembly, and mounting members. The stent assembly includes a stent post frame, a stent post frame covering, and a base frame. ... Medtronic Inc

11/17/16 / #20160331524

Mitral valve repair

Apparatus and methods are provided for use with a mitral valve of a heart of a subject. The apparatus includes a p1-anchor, a p2-anchor, and a p3-anchor, that are anchored to tissue in a vicinity of, respectively, p1, p2 and p3 segments of a posterior leaflet of the mitral valve, a tether being fixedly coupled to the p2-anchor, and slidably coupled to the p1 and p3 anchors. ... Medtronic Inc

11/17/16 / #20160331448

Balloon catheter apparatus for renal neuromodulation

Methods and apparatus are provided for non-continuous circumferential treatment of a body lumen. Apparatus may be positioned within a body lumen of a patient and may deliver energy at a first lengthwise and angular position to create a less-than-full circumferential treatment zone at the first position. ... Medtronic Inc

11/17/16 / #20160331335

Systems and methods for imaging large field-of-view objects

An imaging apparatus and related method comprising a detector located a distance from a source and positioned to receive a beam of radiation in a trajectory; a detector positioner that translates the detector to an alternate position in a direction that is substantially normal to the trajectory; and a beam positioner that alters the trajectory of the radiation beam to direct the beam onto the detector located at the alternate position.. . ... Medtronic Inc

11/17/16 / #20160331258

Determining onset of cardiac depolarization and repolarization waves for signal processing

A system and associated method is disclosed for determining whether signal is valid. The system comprises an electrode apparatus comprising a plurality of electrodes configured to be located proximate tissue of a patient. ... Medtronic Inc

11/10/16 / #20160327034

Roller pump with dynamic occlusion adjustment

A roller pump including a drive shaft, a motor, a roller head assembly, a stator housing, and an occlusion adjustment assembly. The drive shaft is coupled to the motor. ... Medtronic Inc

11/10/16 / #20160325106

T-wave oversensing rejection

A medical device coupled to extracardiac electrodes is configured to analyze a cardiac electrical signal over a signal analysis segment to determine if shockable rhythm classification criteria are met, determine that twos detection criteria are met for the signal analysis segment when a predetermined number of twos analysis windows are classified as twos, and classify the signal analysis segment as non-shockable in response to determining that the twos detection criteria are met.. . ... Medtronic Inc

11/10/16 / #20160325104

Interventional medical systems and implantable medical devices including tethering features, and associated methods

A tethering feature includes an elongate break-away member and a base, and forms a proximal end of an implantable medical device housing. A tether attachment zone of the break-away member extends between break-away member ends, and the base includes a pair of supports, wherein each end of the break-away member is wrapped around a corresponding support. ... Medtronic Inc

11/10/16 / #20160325098

Renal nerve stimulation method for treatment of patients

A method and apparatus for treatment of heart failure, hypertension and renal failure by stimulating the renal nerve. The goal of therapy is to reduce sympathetic activity of the renal nerve. ... Medtronic Inc

11/10/16 / #20160324638

Method for stabilizing a cardiac valve annulus

A method for stabilizing a cardiac valve annulus is provided. The method includes intravascularly delivering a prosthesis to a region of a cardiac valve, expanding the prosthesis to secure the prosthesis to the region of the cardiac valve, and reducing the inner diameter of the prosthesis to form the region of the cardiac valve into a predefined shape.. ... Medtronic Inc

11/10/16 / #20160324631

Conformable prostheses for implanting two-piece heart valves and methods for using them

A heart valve assembly includes an annular prosthesis and a valve prosthesis. The annular prosthesis includes an annular ring for dilating tissue within a biological annulus and a conformable sewing cuff extending radially from the annular member. ... Medtronic Inc

11/10/16 / #20160324475

Endotracheal tube apparatus

An apparatus for monitoring emg signals of a patient's laryngeal muscles includes an endotracheal tube having an exterior surface and a first location configured to be positioned at the patient's vocal folds. A first electrode is formed on the exterior surface of the endotracheal tube substantially below the first location to receive emg signals primarily from below the vocal folds. ... Medtronic Inc

11/03/16 / #20160320338

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

11/03/16 / #20160317840

Noninvasive assessment of cardiac resynchronization therapy

Systems, methods, and interfaces are described herein for noninvasively determining whether a patient can benefit from cardiac resynchronization therapy. One exemplary method involves delivering ultrasonic energy to cardiac tissue. ... Medtronic Inc

11/03/16 / #20160317819

Medical devices including metallic connector enclosures

Medical devices provide metallic connector enclosures. The metallic connector enclosures may be constructed with relatively thin walls in comparison to polymer connector enclosures to aid in miniaturizing the medical device. ... Medtronic Inc

11/03/16 / #20160317817

Cardiac resynchronization therapy optimization based on intracardiac impedance and heart sounds

Methods and/or devices used in delivering cardiac resynchronization therapy based on a plurality of device parameters (e.g., a-v delay, v-v delay, etc.) are optimized by setting a device parameter based on selection data. The selection data may be acquired by acquiring temporal fiducial points (e.g., heart sounds) associated with at least a part of a systolic portion of at least one cardiac cycle and/or temporal fiducial points associated with at least a part of a diastolic portion of the at least one cardiac cycle for each of a plurality of electrode vector configurations, and extracting measurements from the intracardiac impedance signal acquired for each of a plurality of electrode vector configurations based on the temporal fiducial points. ... Medtronic Inc

11/03/16 / #20160317806

Implantable medical device

A method of manufacturing an implantable medical device having reduced mri image distortion, includes producing an implantable medical device. The implantable medical device has a configuration that comprises a housing and one or more internal components disposed within the housing. ... Medtronic Inc

11/03/16 / #20160317739

Method and system for leakage detection in portable medical devices

A medical therapy system including liquid detection is disclosed. A medical therapy includes a case with an interior and an exterior. ... Medtronic Inc

11/03/16 / #20160317053

Neuromodulation catheters with nerve monitoring features for transmitting digital neural signals and associated systems and methods

Neuromodulation catheters with nerve monitoring features for transmitting digital neural signals and associated systems and methods are disclosed herein. A neuromodulation catheter configured in accordance with some embodiments of the present technology can include, for example, a handle and an elongated shaft attached to the handle. ... Medtronic Inc

10/27/16 / #20160315302

Battery assembly for implantable medical device

A battery assembly comprises a battery housing that defines an opening and includes one of a first engagement member and a second engagement member. A feedthrough member is disposed with the opening and extends from the battery housing. ... Medtronic Inc

10/27/16 / #20160310751

Cannula configured to deliver test stimulation

The disclosure is directed to an implant tool and cannula used to facilitate the implantation of a medical device into a patient. The implant tool includes a housing that is held by a user and a needle attached to the housing. ... Medtronic Inc

10/27/16 / #20160310748

Sealed separator and tab insulator for use in an electrochemical cell

Electrodes having a sealed separator wherein the seal circumscribes the edges of the electrode and circumscribes a portion of the edges of the tab portion or tab portions of the electrode.. . ... Medtronic Inc

10/27/16 / #20160310747

Interventional medical systems and associated tethering assemblies and methods

An assembly for tethering a medical device to a delivery catheter includes a tether, a collet, and a spring-biased holding element that is coupled to a distal end of the tether and that extends around the collet, being moveable between first and second positions. At the first position, corresponding to the spring bias thereof, the holding element prevents fingers of the collet, which are configured to grip a proximal end of the device, from opening; at the second position, the collet fingers are allowed and/or caused to open. ... Medtronic Inc

10/27/16 / #20160310746

Method and apparatus for detection of intrinsic depolarization following high energy cardiac electrical stimulation

A medical device is configured to deliver a high-energy electrical stimulation pulse to a patient that produces a post-stimulation polarization signal. A cardiac signal analyzer of the medical device is configured to detect a cardiac electrical signal superimposed on the post-stimulation polarization signal, determine at least one feature of the detected cardiac electrical signal, compare the feature to criteria that differentiate an intrinsic cardiac event during the post-stimulation polarization signal from an evoked response signal and identify the detected cardiac electrical signal as the intrinsic cardiac event if the feature meets the criteria.. ... Medtronic Inc

10/27/16 / #20160310733

System and method for dual-chamber pacing

An implantable medical device system including an atrial pacemaker and a ventricular pacemaker is configured to deliver dual chamber pacing in the presence of atrioventricular block. In response to detecting the av block, the atrial pacemaker may establish a limited number of selectable pacing rates. ... Medtronic Inc

10/27/16 / #20160310726

Intracardiac medical device

An elongated implantable medical device for delivering electrical stimulation pulses to a patient includes a housing having a housing proximal end and a housing distal end and an electrical conductor having a conductor proximal end and a conductor distal end. The conductor distal end extends from the housing proximal end. ... Medtronic Inc

10/27/16 / #20160310723

Intracardiac medical device

An implantable pacemaker system includes a housing having a proximal end and a distal end. A control electronics subassembly defines the housing proximal end, and a battery subassembly defines the housing distal end. ... Medtronic Inc

10/27/16 / #20160310722

Dual chamber intracardiac medical device

An implantable pacemaker has a first housing and a second housing tethered to the first housing by an elongated electrical conductor. The elongated electrical conductor has a proximal end coupled to the first housing and a distal end coupled to the second housing and includes a signal line configured to carry an electrical signal between the first housing and the second housing.. ... Medtronic Inc

10/27/16 / #20160310703

Interventional medical systems, assemblies, and construction methods

A catheter for delivering a medical device to an implant site within a receptacle of a distal-most portion thereof, includes a coiled spring member, which has one or more proximal turns, secured to a shaft proximal portion, one or more distal turns, secured to the distal-most portion, and a plurality of open-pitch turns that extend between the proximal and distal turns and are, preferably, pre-loaded by longitudinal compression prior to forming a sheath thereover. A deflection assembly pull wire extends through a lumen of the shaft proximal portion and alongside the plurality of open-pitched turns of the spring member, wherein a pull wire proximal end extends proximally out from a proximal opening of the lumen of the proximal portion and into a handle of the catheter, for coupling to a control member subassembly, and a pull wire distal end is secured to the shaft distal-most portion.. ... Medtronic Inc

10/27/16 / #20160310700

Assemblies and methods for deflectable shaft catheters

A catheter assembly includes a pull wire and a control member subassembly, wherein the pull wire is secured to a post of the subassembly that may extend through a slot of a handle, and an engagement feature of the subassembly, being supported by an elastically deformable support of the subassembly resting on a railway of the handle, confronts a mating feature of the handle to interlock therewith, responsive to the support being un-deformed. The post, engagement feature, and support may be integrally formed together in a single-piece component, wherein the engagement feature may be one or two rows of teeth formed in a surface of an upper portion of the component, and the support may be a pair of flexible cantilever beam members of a lower portion of the component. ... Medtronic Inc

10/27/16 / #20160310271

Self-suturing anchors

Apparatus and methods are provided, including a plurality of anchoring elements, each of the anchoring elements being an elongate element that is curved to define an opening. A housing holds each of the anchoring elements. ... Medtronic Inc

10/27/16 / #20160310218

Direct visualization of a device location

A display may display a region of an anatomy that is not within the field of effect of an instrument. The additional views may assist in determining a location and orientation of an instrument. ... Medtronic Inc

10/27/16 / #20160310031

Method and apparatus for determining a premature ventricular contraction in a medical monitoring device

A method and medical monitoring device for determining the occurrence of a premature ventricular contraction that includes sensing a cardiac signal and determining r-waves in response to the sensed cardiac signal, determining rr intervals between the determined r-waves, determining whether a first interval criteria is satisfied in response to the determined intervals, determining a correlation between the determined r-waves, determining whether a first correlation criteria is satisfied in response to the determined correlation, and determining the premature ventricular contraction is occurring in response to the first interval criteria and the first correlation criteria being satisfied.. . ... Medtronic Inc

10/27/16 / #20160310029

Method and apparatus for determining a premature ventricular contraction in a medical monitoring device

A method and medical monitoring device for determining the occurrence of a premature ventricular contraction that includes sensing a cardiac signal and determining r-waves in response to the sensed cardiac signal, determining rr intervals between the determined r-waves, determining whether a first interval criteria is satisfied in response to the determined intervals, determining a correlation between the determined r-waves, determining whether a first correlation criteria is satisfied in response to the determined correlation, and determining the premature ventricular contraction is occurring in response to the first interval criteria and the first correlation criteria being satisfied.. . ... Medtronic Inc

10/20/16 / #20160303376

Controlling electrical stimulation based on evoked compound muscle action potential

This disclosure relates to methods, devices, and systems for delivering and adjusting stimulation therapy. In one example, a system may include a stimulation generator configured to delivery electrical stimulation therapy to tissue of a patient in accordance with a stimulation therapy program. ... Medtronic Inc

10/20/16 / #20160303319

Detecting conditions associated with medical device operations using matched filters

Apparatus are provided for infusion devices and related operating methods. An exemplary device includes a sensing arrangement to provide an output indicative of a characteristic that is influenced by operation of the device, and a control module that is coupled to the sensing arrangement to apply a matched filter corresponding to a condition associated with the operation of the device to the output of the sensing arrangement and detect that condition based on the filtered output. ... Medtronic Inc

10/20/16 / #20160302925

Methods and devices for ablating target tissue of a patient

A method for valve replacement or valve repair is disclosed comprising the steps of acquiring an anatomical image of a patient, correlating the image to the patient, guiding a valve replacement delivery member or a valve repair delivery member within the patient while tracking the position of the delivery member in the patient, positioning the valve replacement member or valve repair member in a desired position to place a valve or repair valve and removing the delivery member from the patient. In one aspect, a method and device are provided that involve imaging a native root using an interoperative technique, then introducing a device that is easily visualized in a chosen imaging modality.. ... Medtronic Inc

10/20/16 / #20160302921

Transcatheter prosthetic heart valve delivery system and method

A system for percutaneous delivery of a stented prosthetic heart valve. The system includes a delivery device with a self-expanding prosthetic heart valve attached thereto and a delivery sheath with an opening on a distal end thereof. ... Medtronic Inc

10/20/16 / #20160302912

Dilatation tester for a stent-graft prosthesis

A dilatation or fatigue tester for a stent-graft prosthesis includes a sample holder having a compressible member that defines a chamber for receiving a stent-graft prosthesis in an expanded state, a bearing assembly disposed to contact and act on an exterior surface of the compressible member of the sample holder, and an actuation assembly operably coupled to the bearing assembly for rotating the bearing assembly relative to the sample holder. Rotation of the bearing assembly cyclically compresses the compressible member of the sample holder to thereby provide cyclical radial loading and unloading of a stent-graft prosthesis received therein for simulating physiologic loading conditions of a stent-graft prosthesis within a vasculature due to a beating heart.. ... Medtronic Inc

10/20/16 / #20160302857

Catheter apparatuses for modulation of nerves in communication with the pulmonary system and associated systems and methods

Devices, systems, and methods for the selective positioning of an intravascular neuromodulation device are disclosed herein. Such systems can include, for example, an elongated shaft and a therapeutic assembly carried by a distal portion of the elongated shaft. ... Medtronic Inc

10/20/16 / #20160302823

Surgical cutting instrument

A surgical cutting instrument including a first tubular member, a second tubular member, a sleeve member, a third tubular member, and an orientation member. A distal section of the first tubular member includes a cutting tip. ... Medtronic Inc

10/20/16 / #20160302692

Systems, devices, methods, and computer-readable storage facilitating locating an implantable medical device within a body

Techniques facilitating locating an implantable medical device (imd) within a body of a patient are provided. An estimate of the location is determined based on strength information representative of strengths of communicative couplings between a communications head device and the imd at various positions of the communications head device. ... Medtronic Inc

10/20/16 / #20160302673

Measurement of cardiac cycle length and pressure metrics from pulmonary arterial pressure

A method and apparatus for monitoring a cardiovascular pressure signal in a medical device that includes determining whether the sensed pressure signal is greater than a first pressure threshold, determining a first metric of the pressure signal in response to the sensed pressure signal being greater than the first pressure threshold, determining whether the sensed pressure signal is greater than a second pressure threshold not equal to the first pressure threshold, determining a second metric of the pressure signal in response to the sensed pressure signal being greater than the first pressure threshold, and determining at least one of a systolic pressure or a diastolic pressure, wherein the at least one of a systolic pressure or a diastolic pressure is determined based on the first metric in response to the pressure signal not being greater than the second threshold, and based on the second metric in response to the pressure signal being greater than the second threshold.. . ... Medtronic Inc

10/13/16 / #20160296759

Frequency based therapy generation

In some examples, one or more processors determine characteristics of frequency components of a sensed bioelectrical signal. In response to determining the characteristics, the one or more processors determine therapy parameters for frequency components of a stimulation signal. ... Medtronic Inc

10/13/16 / #20160296758

Selection of spinal cord stimulation electrodes for use in cardiac therapy

Methods, systems, and/or devices for selecting spinal cord stimulation (scs) electrode array configurations to provide effective cardiac therapy. Physiological parameters related to the heart may be monitored and analyzed during the delivery of scs using various scs electrode array configurations to determine an effect scs electrode array configuration.. ... Medtronic Inc

10/13/16 / #20160296693

Automatic closed-loop control adjustments and infusion systems incorporating same

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves identifying a condition of the user that is likely to influence a response to the fluid in the body of the user and classifying the condition as a first type of a plurality of types of conditions. ... Medtronic Inc

10/13/16 / #20160296328

Stent for prosthetic heart valves

A stented valve including a generally tubular stent structure that has a longitudinal axis, first and second opposite ends, a plurality of commissure support structures spaced from the first and second ends and extending generally parallel to the longitudinal axis, at least one structural wire positioned between each two adjacent commissure support structures, and at least one wing portion extending from two adjacent commissure support structures and toward one of the first and second ends of the stent structure. The stented valve further includes a valve structure attached within the generally tubular stent structure to the commissure support structures.. ... Medtronic Inc

10/13/16 / #20160296327

Stent for prosthetic heart valves

A stented valve including a stent structure including a generally tubular body portion having a first end, a second end, an interior area, a longitudinal axis, and a plurality of vertical wires extending generally parallel to the longitudinal axis around a periphery of the body portion, wherein the plurality of vertical wires includes multiple commissure wires and at least one structural wire positioned between adjacent commissure wires, and a plurality of v-shaped wire structures having a first end, a second end, and a peak between the first and second ends, wherein a first end of each v-shaped structure extends from a first vertical wire and a second end of each v-shaped structure extends from a second vertical wire that is adjacent to the first vertical wire, wherein each v-shaped structure is oriented so that its peak is facing in the same direction relative to the first and second ends of the body portion, and a valve structure including a plurality of leaflets attached to the stent structure within the tubular body portion.. . ... Medtronic Inc

10/13/16 / #20160296324

Information markers for heart prostheses and methods of using same

A heart prosthesis that includes at least one information marker and methods of using the heart prosthesis are disclosed. The at least one information marker can indicate any suitable information associated with the heart prosthesis, e.g., one or more of a manufacturer, type, model, feature, size, and date. ... Medtronic Inc

10/13/16 / #20160296279

Methods for renal neuromodulation

Methods and apparatus are provided for renal neuromodulation using a pulsed electric field to effectuate electroporation or electrofusion. It is expected that renal neuromodulation (e.g., denervation) may, among other things, reduce expansion of an acute myocardial infarction, reduce or prevent the onset of morphological changes that are affiliated with congestive heart failure, and/or be efficacious in the treatment of end stage renal disease. ... Medtronic Inc

10/06/16 / #20160294927

Variable data usage personal medical system and method

A variable data usage personal medical system including a self-care device attached to a patient, and operable to generate self-care device data and to transmit the self-care device data at a fixed interval; a cellular communication device operable to receive and store the transmitted self-care device data, to register a count at an interval counter for each of the fixed intervals in which the transmitted self-care device data is received, to generate a data cellular packet from overhead plus the stored self-care device data when the interval counter equals a fixed interval index, and to transmit the data packet; and a cloud infrastructure operably connected to the cellular communication device over a cellular network, and operable to receive, process, and store the transmitted data packet. The cloud infrastructure is operable to transmit a value for the fixed interval index to the cellular communication device for storage.. ... Medtronic Inc

10/06/16 / #20160290333

Medication pump test device and method of use

A medication pump test device and method of use including a test device for use with a medication pump and a depth indicator, the test device including: an external body portion defining a depth indicator recess operable to receive the fixed portion of the depth indicator; an internal body portion attached to the external body portion, the internal body portion defining a slide spindle passage operable to allow free axial movement of the slide spindle of the depth indicator. The test device maintains the fixed portion of the depth indicator at a fixed axial position along the central axis relative to the medication pump when the fixed portion of the depth indicator is seated in the depth indicator recess, the external contact portion contacts the medication pump, and the internal body portion is seated in the open end of the reservoir compartment.. ... Medtronic Inc

10/06/16 / #20160287884

Implantable pulse generator systems and methods for providing functional and/or therapeutic stimulation of muscles and/or nerves and/or central nervous system tissue

Improved assemblies, systems, and methods provide a stimulation system for prosthetic or therapeutic stimulation of muscles, nerves, or central nervous system tissue, or any combination. The stimulation system includes an implantable pulse generator and a lead sized and configured to be implanted subcutaneously in a tissue region. ... Medtronic Inc

10/06/16 / #20160287879

Timed delivery of electrical stimulation therapy

In some examples, a phase locked loop (pll) circuit outputs a timing signal having a frequency and phase that is the same as a patient signal that is an input to the pll circuit. The pll circuit includes or is coupled to a storage circuit that stores information needed to cause the pll circuit to maintain the frequency of the timing signal to the same frequency even after the patient signal is not available as an input.. ... Medtronic Inc

10/06/16 / #20160287861

System and method for omni-directional bipolar stimulation of nerve tissue of a patient via a surgical tool

A surgical tool including first connecting elements, contacting elements, and conductive elements. The contacting elements are configured to contact nerve tissue of a patient. ... Medtronic Inc

10/06/16 / #20160287384

Prosthetic valves and associated appartuses, systems and methods

A valve prosthesis includes an expandable frame comprising an outflow portion and an inflow portion connected to the outflow portion. The frame defines a central lumen extending between the outflow portion and the inflow portion. ... Medtronic Inc

10/06/16 / #20160287349

Thermo-electric generator

Disclosed herein, a power supply may be recharged with a generally used system. In various embodiments, cleaning systems may be used to affect a generator to cause the generator to charge a power supply. ... Medtronic Inc

10/06/16 / #20160287342

Flexible circuit coils

Disclosed is a system for determining a location and configuration of an expandable member. A flexible coil can be provided on a shape changing portion, such as an expandable portion, to measure a signal as the shape changes.. ... Medtronic Inc

10/06/16 / #20160287325

Endovascular nerve monitoring devices and associated systems and methods

Endovascular nerve monitoring devices and associated systems and methods are disclosed herein. A nerve monitoring system configured in accordance with a particular embodiment of the present technology can include a shaft having a proximal portion and a distal portion and a nerve monitoring assembly at the distal portion. ... Medtronic Inc

10/06/16 / #20160287267

Surgical burs with localized auxiliary flutes

A surgical bur including primary flutes and auxiliary flutes. The primary flutes include (i) first clearance surfaces, and (ii) first rake surfaces with first cutting edges. ... Medtronic Inc

10/06/16 / #20160287197

Apparatus and method for mechanically providing power to a generator on a continuous rotatable rotor of an x-ray scanner

A system including an x-ray scanner gantry having: a housing; a gantry gear; a rotor; a generator mounted on the rotor; and first and second generator gears connected to or engaged with one or more axles of the generator. The second generator gear is engaged with the gantry gear. ... Medtronic Inc

10/06/16 / #20160287137

Tissue contact sensing with a multi electrode ablation catheter

A method and system for assessing electrode-tissue contact before the delivery of ablation energy. The method may generally include determining a difference between a maximum impedance magnitude at a low frequency for a given electrode and an absolute minimum impedance magnitude at the low frequency across all electrodes, determining a difference between a maximum impedance magnitude at a high frequency for a given electrode and an absolute minimum impedance magnitude at the high frequency across all electrodes, and determining a difference between a maximum impedance phase at the high frequency for a given electrode and an absolute minimum impedance phase at the high frequency across all electrodes. ... Medtronic Inc

10/06/16 / #20160287136

Tissue contact sensing with a multi electrode ablation catheter

A method and system for assessing electrode-tissue contact before the delivery of ablation energy. The system may include a control unit programmed to determine a difference between a maximum impedance magnitude at a low frequency for a given electrode and an absolute minimum impedance magnitude at the low frequency across all electrodes, determine a difference between a maximum impedance magnitude at a high frequency for a given electrode and an absolute minimum impedance magnitude at the high frequency across all electrodes, and determine a difference between a maximum impedance phase at the high frequency for a given electrode and an absolute minimum impedance phase at the high frequency across all electrodes. ... Medtronic Inc

10/06/16 / #20160287132

Modular coil assembly

In various specific embodiments, a localizer can include a plurality of coil groups, where each coil group includes three coils that are formed around a single center. Each of the three coils can be formed around separate jigs and the jigs can be interconnected to form the coil group. ... Medtronic Inc

10/06/16 / #20160287114

Neuromodulation systems having nerve monitoring assemblies and associated devices, systems, and methods

Neuromodulation systems with nerve monitoring assemblies and associated devices, systems, and methods are disclosed herein. A neuromodulation system configured in accordance with some embodiments of the present technology can include, for example, a generator, a nerve monitoring assembly configured to detect electroneurogram (eng) signals, and a neuromodulation catheter. ... Medtronic Inc

10/06/16 / #20160287112

System and method for omni-directional bipolar stimulation of nerve tissue of a patient via a bipolar stimulation probe

A bipolar stimulation probe including a first electrode, a second electrode, a control module, and switches. The control module is configured to stimulate nerve tissue of a patient by generating (i) a first output signal indicative of a first pulse to be output from the first electrode, and (ii) a second output signal indicative of a second pulse to be output from the second electrode. ... Medtronic Inc

10/06/16 / #20160287111

Wireless pressure measurement and monitoring for shunts

Disclosed is a system that includes pressure sensors to assist in monitoring pressure at a selected location. Pressure sensors may be applied to or incorporated into catheters and/or shunts positioned within a patient. ... Medtronic Inc

09/29/16 / #20160285111

Adjustable battery stack and method of use in device enclosure

An inert material is included in the electrode assembling of a battery having a thickness which compensates for a difference in dimension of the electrode assembly when thinner electrodes are used to construct a battery having reduced capacity, to thereby be accommodated in a battery case of uniform dimension regardless of the electrical characteristics of the battery.. . ... Medtronic Inc

09/29/16 / #20160279425

Techniques for minimizing current drain in an implantable medical device

An implantable medical device includes circuitry for generating and delivering electrical stimulation therapy. A power source is included in the implantable medical device for storage of the energy for the stimulation therapy. ... Medtronic Inc

09/29/16 / #20160279424

Techniques for minimizing current drain in an implantable medical device

An implantable medical device includes circuitry for generating and delivering electrical stimulation therapy. A power source is included in the implantable medical device for storage of the energy for the stimulation therapy. ... Medtronic Inc

09/29/16 / #20160279423

Medical device delivery system

The disclosure describes techniques and systems for delivering an implantable medical device. In one example, an implantable medical device (imd) delivery system may include an elongated member comprising a first distal end configured to mate with the imd, a resilient member disposed along at least a portion of the elongated member, a housing configured to accept a first proximal end of the elongated member and a second proximal end of the resilient member, a rotation control mechanism wherein user movement of the rotation control mechanism causes rotation of the elongated member with respect to the housing and a fixation element of the imd into tissue, and a deflection control mechanism wherein user movement of the deflection control mechanism causes longitudinal displacement of the resilient member along a longitudinal axis of the elongated member and the housing resulting in angular deflection of the first distal end of the elongated member.. ... Medtronic Inc

09/29/16 / #20160279411

Combination therapy including peripheral nerve field stimulation

Delivery of peripheral nerve field stimulation (pnfs) in combination with one or more other therapies is described. The other therapy delivered in combination with pnfs may be, for example, a different type of neurostimulation, such as spinal cord stimulation (scs), or a drug. ... Medtronic Inc

09/29/16 / #20160279396

Tool for adjusting an implantable adjustable fluid flow control valve

Tools for determining and adjusting the setting of an adjustable valve are disclosed. These tools allow a medical professional to locate and non-invasively determine the setting of an implanted valve. ... Medtronic Inc

09/29/16 / #20160279384

Methods for therapeutic renal neuromodulation using neuromodulatory agents or drugs

Methods and apparatus are provided for treatment of heart arrhythmia via renal neuromodulation. Such neuromodulation may effectuate irreversible electroporation or electrofusion, ablation, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

09/29/16 / #20160279336

Extensible infusion devices and related methods

Fluid injection devices and related systems and operating methods are provided. An exemplary injection device includes an actuation arrangement to facilitate delivering fluid from a container, a user interface element coupled to the actuation arrangement, a data storage element to maintain one or more patient-specific parameter values and historical bolus data, and a control module coupled to the actuation arrangement and the data storage element. ... Medtronic Inc

09/29/16 / #20160278916

Multiple orifice implantable heart valve and methods of implantation

A surgically implantable multiple orifice heart valve having a valve frame with at least two orifices, each of which can accommodate a tissue valve. The multiple orifice heart valve includes a stent frame having a first side, an opposite second side, and multiple orifices or opening, each of which extends from the first side to the second side of the stent frame and is adjacent to at least one of the other multiple orifices or openings.. ... Medtronic Inc

09/29/16 / #20160278865

Flexible skin based patient tracker for optical navigation

A skin-based patient tracking apparatus for surgical navigation. The apparatus includes an adhesive layer, a plurality of surgical tracking elements, a base layer between the adhesive layer and the plurality of surgical tracking elements, and an outer layer covering the plurality of surgical tracking elements.. ... Medtronic Inc

09/29/16 / #20160278864

Apparatus and method for instrument and gesture based image guided surgery

A system is disclosed that allows for determining a position of an instrument in an object space. The position may include a three-dimensional location and at least one degree of freedom of orientation, or any appropriate number of degrees of freedom. ... Medtronic Inc

09/29/16 / #20160278858

Mesh-overlayed ablation and mapping device

A medical system, including a catheter body, an elongate body disposed in the catheter body; an expandable element having a proximal portion coupled to the catheter body and a distal portion coupled to the elongate body, the distal portion of the expandable element defining the distal-most portion of the medical device; a mesh or array of longitudinal splines substantially surrounding the expandable element, at least a portion of the mesh or splines being electrically conductive; and a coolant source in fluid communication with the expandable element.. . ... Medtronic Inc

09/29/16 / #20160278851

Steerable catheter having pull wires affixed within the distal portion of the catheter

A method and system with enhanced steerability and simplicity of construction for medical devices and a method of manufacturing the same. A steerable medical device may include an elongate body having a distal portion, proximal portion, and central lumen extending therethrough, a distal tip coupled to the distal portion of the elongate body, and at least one pull wire, each of the at least one pull wire having a distal end coupled to the distal tip, the distal portion of the elongate body including at least one pull wire lumen extending proximally from the distal tip through the distal portion of the elongate body, each of the at least one pull wire being within a corresponding pull wire lumen of the at least one pull wire lumen in the distal portion of the elongate body and within the central lumen in the proximal portion of the elongate body.. ... Medtronic Inc

09/29/16 / #20160278844

Microslotted electrosurgical device with smoke evacuation

An electrosurgical device including an elongate body including a rigid proximal portion, a distal portion, and defining a lumen there though. A fluid delivery tube is disposed within the lumen. ... Medtronic Inc

09/29/16 / #20160278802

Pin drive rotary surgical cutting tools and powered handpieces

A surgical cutting tool includes an elongated shaft and a cutting head. The shaft defines a coupling portion terminating at a proximal end of the shaft, a stem portion, and a distal portion. ... Medtronic Inc

09/29/16 / #20160278788

Slanted drive axis rotary surgical cutting tools and powered handpieces

A surgical cutting tool adapted to be rotatably driven by a motor. The surgical cutting tool includes an elongated shaft defining intermediate and coupling portions. ... Medtronic Inc

09/22/16 / #20160276700

Electrode assemblies including insulative portions

An electrode assembly for use in a battery may include a mandrel and one or more insulative portions. The insulative portions may be formed about and may extend from one or more end regions of a battery mandrel. ... Medtronic Inc

09/22/16 / #20160271382

Therapeutic agent injection device

A therapeutic agent injection device including an injection device for delivering a therapeutic agent to a patient having a body, the body having a patient face and a port face opposite the patient face, the port face having an introducer port including an introducer channel and an injection port including an injection channel, the introducer channel being in fluid communication with the injection channel through a cross channel, the injection channel defining an injection axis; a delivery tube for subcutaneous delivery of the therapeutic agent to the patient, the delivery tube projecting from and being generally perpendicular to the patient face, the delivery tube defining an introducer axis and being in fluid communication with the injection port; and a patch, the patch being attached to the patient face and being operable to adhesively attach to the patient; wherein the injection axis is parallel to the introducer axis.. . ... Medtronic Inc

09/22/16 / #20160270917

Sinus-engaging valve fixation member

A prosthesis is provided for implantation at a native semilunar valve of a native valve complex, the native valve complex having three semilunar sinuses and three native commissures. The prosthesis includes a valve prosthesis support, which comprises a support structure comprising exactly three engagement arms that meet one another at three respective junctures. ... Medtronic Inc

09/22/16 / #20160270910

Valve prostheses having an integral centering mechanism and methods of use thereof

A transcatheter valve prosthesis including a tubular stent, a prosthetic valve component disposed within and secured to the stent, and a centering mechanism coupled to and encircling an outer surface of the tubular stent. The centering mechanism includes a self-expanding centering ring having an expanded diameter in the expanded configuration that is greater than an expanded diameter of the tubular stent in the expanded configuration and a plurality of self-expanding spokes radially extending between the tubular stent and the centering ring. ... Medtronic Inc

09/22/16 / #20160270847

Methods for renal neuromodulation via catheters having expandable treatment members

Methods and apparatus are provided for monopolar neuromodulation, e.g., via a pulsed electric field. Such monopolar neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

09/22/16 / #20160270845

Coronary sinus mitral isthmus ablation catheter

A device, system and method for creating transmural lesions between the coronary sinus and left atrium. The device includes an elongate body that is deflectable in two locations to create a transverse portion that is substantially orthogonal to the longitudinal axis of the elongate body and a distal tip portion that defines a longitudinal axis that is parallel to the longitudinal axis of the elongate body. ... Medtronic Inc

09/22/16 / #20160270844

Multi-function device with treatment and sensing capabilities

A device, method, and system for adding mapping functionality to an ablation device without adding electrodes, wiring, or other components to the ablation device. The device includes a treatment catheter including a proximal portion and a distal portion, the distal portion including a longitudinal groove. ... Medtronic Inc

09/22/16 / #20160270748

Apparatus and method of counterbalancing axes and maintaining a user selected position of a x-ray scanner gantry

A system including an input sensor, a summer, a controller, and a feedback sensor. The input sensor: detects a first amount of force or torque applied on a component of an x-ray scanner gantry in a direction; and generates a command signal. ... Medtronic Inc

09/15/16 / #20160268954

Motor health monitoring and medical device incorporating same

Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a modulation module coupled to the motor, and a control module coupled to the motor and the modulation module. ... Medtronic Inc

09/15/16 / #20160266555

Dynamic pulse-width modulation motor control and medical device incorporating same

Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a sensor to obtain a measured displacement that is influenced by rotation of the rotor, and a control module coupled to the sensor. ... Medtronic Inc

09/15/16 / #20160263382

Collecting sleep quality information via a medical device

At least one of a medical device, such as an implantable medical device, a monitor, and a computing device determines values for one or more metrics that indicate the quality of a patient's sleep. Sleep efficiency, sleep latency, and time spent in deeper sleep states are example sleep quality metrics for which values may be determined. ... Medtronic Inc

09/15/16 / #20160263372

Interventional medical systems and associated tethering assemblies and methods

An implantable medical device is tethered to a delivery catheter by a length of a tether, which extends through an attachment feature of the device and between a free end thereof and a secured end thereof, wherein the secured end is fixedly coupled to a tubular member of the catheter in proximity to a distal end thereof, and the free end is engaged against an inner surface of a sidewall that extends within the tubular member. The free end of the tether may be engaged against the inner surface by an enlarged distal tip of an elongate wire that extends within a lumen defined by the inner surface of the sidewall. ... Medtronic Inc

09/15/16 / #20160263315

Extensible infusion devices and related methods

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device to deliver fluid to a user in accordance with an operating mode involves identifying a fluid type associated with the fluid currently onboard the infusion device from among a plurality of possible fluid types that is different from a previous type of fluid previously onboard the infusion device. ... Medtronic Inc

09/15/16 / #20160262885

Delivery device for prosthetic heart valve with capsule adjustment device

A delivery device for percutaneously delivering a stented prosthetic heart includes a sheath, a handle, and adjustment device including a fine adjustment mechanism, and an outer stability shaft. The sheath defines a lumen and is configured to compressively constrain the stented prosthetic heart valve. ... Medtronic Inc

09/15/16 / #20160262883

Delivery device for prosthetic heart valve with capsule adjustment device

A delivery device for percutaneously delivering a stented prosthetic heart includes a sheath, a handle, and adjustment device including a fine adjustment mechanism, and an outer stability shaft. The sheath defines a lumen and is configured to compressively constrain the stented prosthetic heart valve. ... Medtronic Inc

09/15/16 / #20160262831

Electrophysiology catheter design

The present invention relates to a method, device, and system for improved mapping and/or ablation of a tissue. The device may generally include an elongate body and a distal assembly affixed to the elongate body that includes a treatment electrode having a conductive mapping region and a selectively conductive ablation region that is conductive of high-frequency current and substantially non-conductive of low-frequency current. ... Medtronic Inc

09/15/16 / #20160262830

Rf energy delivery system and method

Devices, systems and methods are disclosed for the ablation of tissue. A steerable ablation catheter can include one or more ablation elements at its distal end and one or more ablation elements fixedly attached to its shaft. ... Medtronic Inc

09/15/16 / #20160262675

Sensor with layered electrodes

A thin film sensor, such as a glucose sensor, is provided for transcutaneous placement at a selected site within the body of a patient. The sensor includes several sensor layers that include conductive layers and includes a proximal segment defining conductive contacts adapted for electrical connection to a suitable monitor, and a distal segment with sensor electrodes for transcutaneous placement. ... Medtronic Inc

09/15/16 / #20160262671

Sensor and monitor system

A system to monitor and transmit a plurality of signals based on a characteristic of a user is disclosed. The system comprises a sensor to produce the plurality of signals on a continuous basis, the signals being indicative of a glucose characteristic measured in the user when a portion of the sensor is placed in subcutaneous tissue. ... Medtronic Inc

09/08/16 / #20160260938

Battery encasement for implantable devices

Various embodiments of a battery assembly include a first housing shell, a second housing shell, an insulator and battery components. The first housing shell has a first perimeter side wall, a first housing bottom, and a first contact area on the first housing bottom. ... Medtronic Inc

09/08/16 / #20160256629

Sensor model supervisor for a closed-loop insulin infusion system

An insulin infusion device includes a processor architecture, and a memory element that stores executable instructions to perform a method of controlling delivery of insulin to a user. The method operates the device in a closed-loop mode to deliver insulin, obtains patient-specific parameters for a current time sample, and estimates a plasma insulin value and a blood glucose value for the user based on at least some of the patient-specific parameters. ... Medtronic Inc

09/08/16 / #20160256623

Belt clip

A belt clip assembly is disclosed. The belt clip assembly includes a device retainer having a first retainer defined to retain a clip pin. ... Medtronic Inc

09/08/16 / #20160256216

Catheter apparatuses for pulmonary artery neuromodulation

Devices, systems, and methods for the selective positioning of an intravascular neuromodulation device are disclosed herein. Such systems can include, for example, an elongated shaft and a therapeutic assembly carried by a distal portion of the elongated shaft. ... Medtronic Inc

09/01/16 / #20160252473

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

09/01/16 / #20160250490

Systems, apparatus, methods and computer-readable storage media facilitating authorized telemetry with an implantable device

Techniques for facilitating authorized telemetry with an implantable device are provided. In one embodiment, for example, a method includes comparing, by a first device having a processor, first electronic information with second electronic information. ... Medtronic Inc

09/01/16 / #20160250486

Systems, apparatus, methods and computer-readable storage media facilitating telemetry with an implantable device

Techniques for facilitating telemetry with an implantable device are provided. In one embodiment, an implantable device includes a detection component configured to detect first vibration activity generated by a mobile electronic device external to the implantable device. ... Medtronic Inc

09/01/16 / #20160250480

Monitoring of pacing capture using acceleration

An implantable medical device includes an activity sensor, a pulse generator, and a control module. The control module is configured to determine an activity metric from the activity sensor signal over an activity metric interval and compare the activity metric to a loss of capture detection threshold. ... Medtronic Inc

09/01/16 / #20160250478

Pacing crosstalk detection

An implantable pacemaker is configured to sense a cardiac electrical signal received by a pair of electrodes coupled to the pacemaker, start a pacing escape interval to control a time that a pacing pulse is delivered in a heart chamber, and detecting if the sensed cardiac electrical signal is a crosstalk event that is an electrical pulse delivered to the patient by a different device than the implantable pacemaker. The implantable pacemaker withholds restarting the pacing escape interval in response to sensing the cardiac electrical signal based on detecting the sensed cardiac electrical signal as the crosstalk event.. ... Medtronic Inc

09/01/16 / #20160250476

Therapy program selection for electrical stimulation therapy based on a volume of tissue activation

In some examples, a processor of a system evaluates a therapy program based on a score determined based on a volume of tissue expected to be activated (“vta”) by therapy delivery according to the therapy program. The score may be determined using a three-dimensional (3d) grid comprising a plurality of voxels that are each assigned a value. ... Medtronic Inc

09/01/16 / #20160250460

Methods for therapeutic renal neuromodulation

Methods and apparatus are provided for treating hypertension, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

09/01/16 / #20160250450

Guidewire with integral radiopaque markers

Embodiments hereof relate to a guidewire formed from an elongated shaft, at least a portion of the shaft having an outer layer, a plurality of channels formed through the outer layer, and an inner core. The outer layer is formed from a material non susceptible to erosion by an erosion agent and the inner core is formed from a radiopaque material susceptible to erosion by the erosion agent. ... Medtronic Inc

09/01/16 / #20160250023

Infundibular reducer device delivery system and related methods

Described is a delivery system for minimally invasive delivery of a self-expandable stent to a body lumen, and particularly delivery of a prosthetic valve to the right ventricular outflow tract. Also described is a method of loading a stent onto such a delivery system, and a method of delivering a self-expandable stent to a desired anatomic site.. ... Medtronic Inc

09/01/16 / #20160250021

Heart valve assemblies

A heart valve assembly comprises a first prosthesis configured to expand from an unexpanded state to an expanded state at which the first annular prosthesis contacts native tissue of a body lumen. The heart valve assembly also comprises a second prosthesis comprising a valve, and a connection adapter that secures the second prosthesis to the first prosthesis, the connection adapter having a multi-lobed circumference.. ... Medtronic Inc

09/01/16 / #20160249974

Combo device-sealer-transcollator-cutter-disector-tissue manipulator

An electrosurgical forceps device, including a first arm having a first distal end. A second arm having a second distal end is included, the first arm and the second arm being pivotally coupled together. ... Medtronic Inc

09/01/16 / #20160249938

Chuck for reciprocating surgical instrument

Devices are described relating to the retaining of surgical tools within the chuck of a reciprocating surgical instrument, such as a reciprocating saw. A securing chuck is disclosed for securing a surgical tool to a reciprocating surgical instrument that comprises a shaft and a securing member. ... Medtronic Inc

09/01/16 / #20160249840

Ph microsensor for glucose and other analyte sensor fault detection

Embodiments of the invention provide amperometric analyte sensor systems comprising a plurality of electrodes including one or more electrodes designed to monitor ph in order to facilitate the sensing of analytes at different ph levels within a sensor environment. Typical embodiments of the invention include glucose oxidase based amperometric sensors used in the management of diabetes.. ... Medtronic Inc

08/25/16 / #20160246935

Graphical controls for programming medical device operation

An example method includes presenting, by a computing device, a range of available parameter values for the therapy parameter via a circular track, indicating, by the computing device, a present parameter value for the therapy parameter via the circular track, and receiving, by the computing device, via a user interface (ui), user input specifying a target parameter value for the therapy parameter, indicating, by the computing device, the target parameter value in conjunction with the present parameter value via the circular track, receiving by the computing device, via the ui, user input activating an adjustment from the present parameter value to the target parameter value, and in response to receiving the user input activating the adjustment, controlling, by the computing device, the medical device to adjust the therapy parameter value from the present parameter value to the target parameter value.. . ... Medtronic Inc

08/25/16 / #20160243541

Zirconium phosphate and zirconium oxide recharging flow paths

Systems and methods for recharging zirconium phosphate and zirconium oxide are provided. The systems and methods provide for recharging of the zirconium phosphate and zirconium oxide in reusable sorbent modules. ... Medtronic Inc

08/25/16 / #20160243540

Zirconium phosphate and zirconium oxide recharger control logic and operational process algorithms

Control logic and processes for monitoring and controlling sorbent rechargers are presented. The control logic and processes use control systems to monitor the rechargers for performance problems and to control the recharging process. ... Medtronic Inc

08/25/16 / #20160243381

Systems and techniques for ultrasound neuroprotection

The disclosure describes devices, systems, and techniques for reducing neural degeneration within a brain of a patient. In one example, a method includes delivering, via one or more ultrasound transducers, ultrasound energy focused to a targeted region of the brain of the patient according to ultrasound parameters. ... Medtronic Inc

08/25/16 / #20160243355

Catheters for deploying implantable medical devices, and associated tethering assemblies and methods

An operator can release a looped portion of a tethering member, which terminates a distal section thereof, from being secured within a locking lumen of a delivery catheter shaft, and then move the distal section out of engagement with an attachment feature of an implantable medical device to untether the device from the catheter. The tethering member extends within another lumen of the shaft, which may be part of a catheter assembly that further includes a locking member extending within the locking lumen and having a distal tip located in proximity to an aperture of the shaft. ... Medtronic Inc

08/25/16 / #20160243336

Medical tunneling device and method

A medical device assembly includes a tunneler having a proximal end and a distal end and a carrier element fixed to the distal end of the tunneler. In various embodiments the carrier element is configured to be slidably disposed within a lead connection lumen. ... Medtronic Inc

08/25/16 / #20160243299

Recharger for recharging zirconium phospahte and zirconium oxide modules

Systems and methods for recharging zirconium phosphate and zirconium oxide in reusable sorbent modules are provided. The systems and methods provide for recharging any combination of zirconium phosphate and/or zirconium oxide sorbent modules. ... Medtronic Inc

08/18/16 / #20160239627

Tools for medical device configuration

An example method includes presenting, by a computing device, via a user interface (ui), a representation of the medical device and respective representations of one or more components that are attachable to the medical device, wherein the one or more components comprise at least one of leads, adaptors, extensions, or catheters, receiving, by the computing device, via the ui, an indication of a selected component included in the component(s) for attachment to the medical device, and responsive to receiving the indication of the selected component: indicating, by the computing device and via the ui, attachment of the representation of the selected component to the representation of the medical device, and updating, by the computing device, the presentation of the respective representations of the component(s) via the ui to include representations of one or more components that are attachable to the medical device with the selected component.. . ... Medtronic Inc

08/18/16 / #20160238621

Clot protection and detection algorithm for activated clotting time testing

Activated clotting time (act) tests detect blood clotting time based on the viscosity changes of a test sample, using a ferromagnetic washer lifted to the top of a test chamber and then dropped from the top via gravity; a drop time greater than a preset threshold value indicates clotting of the test sample. Blood samples which have high levels of heparin usually produce very weak clots that may easily be destroyed by the lifting movement of the washer. ... Medtronic Inc

08/18/16 / #20160236188

Management of recharger effluent ph

Systems and methods for managing effluent from recharging zirconium phosphate and/or zirconium oxide are provided. The systems and methods control the ph of the zirconium phosphate and zirconium oxide effluent to allow for safe disposal. ... Medtronic Inc

08/18/16 / #20160235992

Method and apparatus for atrial arrhythmia episode detection

A method and implantable medical device for determining an atrial arrhythmia event that includes sensing a cardiac signal, determining an atrial arrhythmia score for identifying the arrhythmia event in response to the sensed cardiac signal, determining a sensing window in response to the sensed cardiac signal, the sensing window having a first portion and a second portion, determining signal characteristics of the sensed cardiac signal within the first portion and within the second portion, determining whether the sensed cardiac signal within the first portion and within the second portion corresponds to a p-wave in response to the determined signal characteristics, determining whether a signal to noise ratio of the sensed cardiac signal within the first portion and the second portion of the sensing window is satisfied, determining whether to update the arrhythmia score in response to the determined p-wave and the determined signal to noise ratio, and determining whether to delivery an arrhythmia therapy in response to the updated arrhythmia score.. . ... Medtronic Inc

08/18/16 / #20160235973

Medical access tools, assemblies, and methods

A medical access tool includes a needle member extending along a longitudinal axis, and a coiled wire extending around the axis. An inner surface of the coiled wire, along a proximal segment thereof, is spaced radially apart from an outer surface of the needle member, and a distal segment of the coiled wire extends distally to a tissue-engaging tip of the coiled wire, a piercing distal tip of the needle member being recessed proximally from the tissue-engaging tip at a fixed distance. ... Medtronic Inc

08/18/16 / #20160235971

Interventional medical systems, assemblies and methods

A system for delivering an implantable medical device includes a loading assembly and a catheter. The loading assembly includes a deployment member and a sidewall defining a chamber into which the device may be pulled through a distal opening thereof, so that the sidewall holds fingers of the device's fixation member in an extended condition while a temperature in the chamber is lowered. ... Medtronic Inc

08/18/16 / #20160235970

Active fixation medical electrical lead

A medical electrical lead having an elongated lead body and a fixation helix extending along a generally helical axis, mounted around the outer circumference of the lead body. The fixation helix has a free end spaced from and extending from the lead body for less than the circumference of the lead body. ... Medtronic Inc

08/18/16 / #20160235945

Medical delivery systems and apparatus

A catheter proximal section is preferably formed from a relatively soft part and a relatively rigid part, and includes a proximal terminal end that defines a perimeter of an opening into a lumen of the catheter. The proximal section may further include a feature for interlocking engagement with an accessory tool. ... Medtronic Inc

08/18/16 / #20160235563

Method of forming a nitinol stent

A method of a forming a hollow, drug-eluting nitinol stent includes shaping a composite wire into a stent pattern, wherein the composite wire comprises an inner member, a nitinol intermediate member, and an outer member. After the composite wire is shaped into the stent pattern, the composite wire is heat treated to set the nitinol intermediate member in the stent pattern. ... Medtronic Inc

08/18/16 / #20160235531

Centering devices for use with a valve prosthesis delivery system and methods of use thereof

Embodiments hereof relate to centering devices for use with a valve delivery system and methods of delivering a valve prosthesis within a vasculature. A valve centering catheter is configured for use with a valve delivery system. ... Medtronic Inc

08/18/16 / #20160235525

Integrated valve assembly and method of delivering and deploying an integrated valve assembly

An integrated valve prosthesis includes an anchor stent, a tether component, and a valve component. The anchor stent includes a self-expanding tubular frame member configured to be deployed in the annulus of an aortic valve or the aorta. ... Medtronic Inc

08/18/16 / #20160235517

Stent-graft prostheses having a stitch path that permits relative movement between a stent and a tubular graft

A stent-graft prosthesis includes a tubular graft and a stent coupled to the tubular graft via a plurality of stitches. The stent has a sinusoidal pattern defined by a plurality of crowns and a plurality of struts. ... Medtronic Inc

08/18/16 / #20160235474

Electrode assembly for rf energy enabled tissue debridement device

A bipolar electrosurgical device is disclosed that operates in a mechanical cutting mode and a hemostasis mode. The device includes a housing and a blade assembly extending from the housing. ... Medtronic Inc

08/18/16 / #20160235469

Rf energy enabled tissue debridement device

A bipolar electrosurgical device including an outer shaft, an inner shaft, first and second electrode surfaces, and an irrigation channel. The outer shaft defines a lumen, a proximal end and a distal end forming a cutting window. ... Medtronic Inc

08/18/16 / #20160235468

Rotating electrical connector for rf energy enabled tissue debridement device

A bipolar electrosurgical device is disclosed that operates in a mechanical cutting mode and a hemostasis mode. The device includes a housing and a blade assembly extending from the housing. ... Medtronic Inc

08/18/16 / #20160235321

Method and apparatus for atrial arrhythmia episode detection

A method and implantable medical device for determining a flutter event in response to a cardiac signal that includes sensing the cardiac signal, determining a sensing window in response to the sensed cardiac signal, the sensing window having a first portion and a second portion. A first derivative signal and a second derivative signal are determined in response to the sensed cardiac signal within the first portion and the second portion of the sensing window, and a sum of amplitudes of the second derivative signal within one or both of the first portion and the second portion of the sensing window is determined, and the flutter event is determined in response to the determined sum of amplitudes.. ... Medtronic Inc

08/18/16 / #20160235320

Method and apparatus for atrial arrhythmia episode detection

A method and implantable medical device for determining noise in response to a cardiac signal that includes sensing the cardiac signal, determining a sensing window in response to the sensed cardiac signal, the sensing window comprising a first portion and a second portion, determining a first derivative signal in response to the sensed cardiac signal within only one of the first portion and the second portion of the sensing window, determining a second derivative signal in response to the sensed cardiac signal within the one of the first portion and the second portion of the sensing window, determining whether an amplitude of the second derivative signal satisfies an amplitude threshold, and determining noise in response to the amplitude of the second derivative signal satisfying the amplitude threshold.. . ... Medtronic Inc

08/18/16 / #20160235318

Method and apparatus for identifying sick sinus syndrome in an implantable cardiac monitoring device

A cardiac monitoring device for determining the occurrence of a sick sinus syndrome condition of a patient that includes a plurality of electrodes to sense a cardiac signal, a sensing module electrically coupled to the plurality of electrodes having circuitry positioned therein to receive the sensed cardiac signal, and a processor coupled to the sensing module and configured to determine an rr interval variability during an rr interval variability session in response to the sensed cardiac signal, determine whether a p-wave occurs during the rr interval variability session, determine whether a sick sinus indicator is satisfied in response to a p-wave occurring, increment a sick sinus count in response to the sick sinus indicator being satisfied, determine whether a sick sinus burden is satisfied in response to the sick sinus count being incremented, and determine the occurrence of sick sinus syndrome in response to the sick sinus burden being satisfied.. . ... Medtronic Inc

08/18/16 / #20160235317

Method and apparatus for adjusting a threshold during atrial arrhythmia episode detection in an implantable medical device

An implantable medical device and method for determining an atrial arrhythmia event that includes a cardiac sensing device comprising a housing having circuitry positioned therein, a plurality of electrodes electrically coupled to the circuitry to sense a cardiac signal, and a processor configured to generate an initial detection of an atrial arrhythmia event in response to an atrial arrhythmia threshold, determine whether a p-wave occurs during the initial detection, determine an adaptive threshold in response to the p-wave being detected, adjust the atrial arrhythmia threshold in response to the adaptive threshold, and generate a subsequent initial detection of an atrial arrhythmia event using the adjusted atrial arrhythmia threshold.. . ... Medtronic Inc

08/18/16 / #20160235315

Method and apparatus for atrial arrhythmia episode detection

A method and medical device for determining a p-wave of a cardiac signal that includes sensing the cardiac signal, determining a p-wave sensing window in response to the sensed cardiac signal, the p-wave sensing window having a first portion and a second portion, determining signal characteristics of the sensed cardiac signal within the first portion and within the second portion, comparing the determined signal characteristics, and determining the p-wave in response to the comparing.. . ... Medtronic Inc

08/11/16 / #20160233656

Medical device feedthrough assemblies with strain relief

Feedthrough assemblies for medical devices having various embodiments of strain relief members extending around portions of the feed through pin are described.. . ... Medtronic Inc

08/11/16 / #20160228250

Delivery system with pacing element

Medical device delivery assemblies are disclosed. The assembly may include a catheter-based delivery system. ... Medtronic Inc

08/11/16 / #20160228245

Prosthetic cardiac valve formed from pericardium material and methods of making same

A prosthetic stented heart valve which includes a compressible and expandable stent structure having first and second opposite ends, an expanded outer periphery, and a compressed outer periphery that is at least slightly smaller than the expanded outer periphery when subjected to an external radial force. The valve further includes a valve segment comprising a dual-layer sheet formed into a generally tubular shape having at least one longitudinally extending seam, and a plurality of leaflets formed by attachment of an outer layer of the dual-layer sheet to an inner layer of the dual-layer sheet in a leaflet defining pattern. ... Medtronic Inc

08/11/16 / #20160228026

Determining paced cardiac depolarization waveform morphological templates

Techniques for determining paced cardiac depolarization waveform morphological templates are described. For example, an implantable medical device (imd) may sense a cardiac electrogram of a heart, identify cardiac depolarizations within the cardiac electrogram, and determine that the cardiac depolarizations are paced cardiac depolarizations resulting from delivery of a pacing pulse to the heart by another imd without detecting the pacing pulse and without communicating with the other imd. ... Medtronic Inc

08/04/16 / #20160220829

Relatively compact implantable medical devices and associated methods for loading the devices into a delivery catheter

An implantable medical device includes an improved tether catch formed by a relatively rigid structure that has a hook surface extending between first and second ends thereof. The second end of the structure is spaced apart from another portion of the device by a gap of a size no greater than a thickness of a tether, for which the tether catch is formed to engage, when the tether is looped within a delivery catheter. ... Medtronic Inc

08/04/16 / #20160220825

Measurement of cardiac cycle length and pressure metrics from pulmonary arterial pressure

Various techniques for measuring cardiac cycle length and pressure metrics based on pulmonary artery pressures are described. One example method described includes identifying a point within a derivative signal of a cardiovascular pressure signal without reference to electrical activity of a heart, initiating a time window from the identified point in the derivative signal, identifying a point within the cardiovascular signal within the time window, and determining at least one of a systolic pressure or diastolic pressure based on the identified point.. ... Medtronic Inc

08/04/16 / #20160220370

Transcatheter prosthetic heart valve delivery system with recapturing feature

A delivery system for percutaneously deploying a stented prosthetic heart valve. The system includes a delivery capsule and a recapture assembly. ... Medtronic Inc

08/04/16 / #20160220367

Balloon valvuloplasty delivery system

A balloon dilation and valve prosthesis delivery device is provided to treat a stenosed valve through balloon dilation and to deliver a valve prosthesis. The device includes an inner shaft assembly including an intermediate portion providing a coupling structure configured to selectively engage a prosthetic valve, and an outer shaft assembly including a delivery sheath capsule, and an expandable balloon attached to a distal end of the outer shaft assembly, and an inflation lumen extending along the length of the outer shaft assembly.. ... Medtronic Inc

08/04/16 / #20160220363

Devices and methods for preparing a transcatheter heart valve system

Devices and methods for preparing a transcatheter heart valve system. The device includes a housing, sealing apparatuses and a port. ... Medtronic Inc

08/04/16 / #20160220305

Methods and apparatus for renal neuromodulation

Methods and apparatus are provided for renal neuromodulation using a pulsed electric field to effectuate electroporation or electrofusion. It is expected that renal neuromodulation (e.g., denervation) may, among other things, reduce expansion of an acute myocardial infarction, reduce or prevent the onset of morphological changes that are affiliated with congestive heart failure, and/or be efficacious in the treatment of end stage renal disease. ... Medtronic Inc

08/04/16 / #20160220295

Balloon catheter with deformable fluid delivery conduit

A medical device, including an elongate body having a proximal portion and a distal portion; a shaft at least partially disposed within the elongate body; an expandable element at the distal portion of the elongate body; and a fluid delivery conduit defining a deflectable segment movably coupled to the shaft, the deflectable segment being transitionable from a substantially linear configuration to a substantially curvilinear configuration.. . ... Medtronic Inc

08/04/16 / #20160220241

Suture collar for use with an introducer during direct aortic procedures

A suture collar configured for use with an introducer sheath. The suture collar includes an outer ring component defining an opening there-though and an inner ring component concentrically disposed within the opening of the outer ring component. ... Medtronic Inc

08/04/16 / #20160220142

Bioelectric sensor device and methods

Various embodiments of a bioelectric sensor device for sensing bioelectric data from a human body are disclosed. The device can include a flexible substrate, a plurality of sensors arranged in a sensor array on a sensor array portion of the substrate, an electrically conductive network located on the substrate, and a plurality of lines of weakness formed in the sensor array portion of the substrate. ... Medtronic Inc

07/28/16 / #20160216769

Systems and methods for mitigating gesture input error

Devices, systems, and techniques for mitigating error from gesture input are disclosed. A system may receive an indication of a first gesture input, determine that the first gesture input is an indicator gesture input, and, responsive to the determination that the first gesture input is the indicator gesture input, enter a gesture control mode during which the system is configured to control one or more actions related to a medical procedure. ... Medtronic Inc

07/28/16 / #20160216768

Systems and methods for mitigating gesture input error

Devices, systems, and techniques for mitigating error from gesture input are disclosed. A system may receive an indication of a first gesture input, determine that the first gesture input is an indicator gesture input, and, responsive to the determination that the first gesture input is the indicator gesture input, enter a gesture control mode during which the system is configured to control one or more actions related to a medical procedure. ... Medtronic Inc

07/28/16 / #20160215372

Biodegradable magnesium alloy

A magnesium alloy includes a rare earth element alloy component comprising yttrium, a rare earth element (ree) other than yttrium, and a balance of magnesium. The rare earth element other than yttrium may comprise two or more rare earth elements other than yttrium. ... Medtronic Inc

07/28/16 / #20160213941

Method and apparatus for beat acquisition during template generation in a medical device having dual sensing vectors

A method and medical device for generating a template that includes sensing a cardiac signal from a plurality of electrodes, determining a plurality of beats in response to the sensed cardiac signal, determining whether to store a beat of the plurality of beats in a subgroup of a plurality of subgroups for storing beats, determining whether a number of beats stored in one of the plurality of subgroups exceeds a subgroup threshold, and generating a template in response to beats stored in the one of the plurality of subgroups that exceeds the subgroup threshold.. . ... Medtronic Inc

07/28/16 / #20160213940

Anti-tachyarrhythmia shock detection

An implantable pacemaker detects delivery of an anti-tachyarrhythmia shock by another device. The implantable pacemaker delivers cardiac stimulation therapy within a patient. ... Medtronic Inc

07/28/16 / #20160213939

Tissue conduction communication (tcc) transmission

An implantable cardioverter defibrillator (icd) configured to transmit a tissue conduction communication (tcc) signal includes a tcc transmitter module configured to generate the tcc signal and transmit the tcc signal via a plurality of electrodes. The tcc signal comprises a biphasic signal having an amplitude and a frequency, wherein at least one of the amplitude and the frequency are configured to avoid stimulation of tissue of the patient. ... Medtronic Inc

07/28/16 / #20160213937

Implantable medical device with dual-use communication module

An implantable medical device comprises a communication module that comprises at least one of a receiver module and a transmitter module. The receiver module is configured to both receive from an antenna and demodulate an rf telemetry signal, and receive from a plurality of electrodes and demodulate a tissue conduction communication (tcc) signal. ... Medtronic Inc

07/28/16 / #20160213935

Adapting to wireless proximal communication signal distortion between devices

Devices that communicate using wireless proximal communications measure pulse width to find distortion in the received signal. The distortion may be due to the devices being too close to one another for a transmission power level currently being used which causes ringing of a receiving coil. ... Medtronic Inc

07/28/16 / #20160213934

Accelerometer integrity alert

A medical device and associated method determine a signal amplitude of a sensor signal produced by a mems sensor, compare the signal amplitude to a stiction detection condition, detect stiction of the mems sensor in response to the signal amplitude meeting the stiction detection condition, and automatically provide a corrective action in response to detecting the stiction.. . ... Medtronic Inc

07/28/16 / #20160213928

Criteria for determination of local tissue latency near pacing lead electrodes

A system and method for identifying whether local tissue latency is present. The system and method comprises an implanted lead having a first electrode for cardiac pacing and sensing. ... Medtronic Inc

07/28/16 / #20160213898

Corrosion-resistant magnetic article

A magnetic article with a corrosion resistant barrier formed from a poly(tetrafluoro-p-xylene) conformal coating or from a parylene conformal coating having a melting point of at least about 430° c. And a moisture vapor transmission less than about 0.5 g-mm/m2/day at 90% rh and 37° c., the conformal coating being covered with a polysulfone thermoplastic overlayer.. ... Medtronic Inc

07/28/16 / #20160213841

Data derived pre-bolus delivery

A medical therapy system to deliver a pre-bolus volume of medicant is disclosed. The medical therapy system includes an infusion pump that has a case containing a processor, memory, a drive mechanism, a reservoir, communication hardware and a sensor system. ... Medtronic Inc

07/28/16 / #20160213470

Delivery system having an integral centering mechanism for positioning a valve prosthesis in situ

Embodiments hereof relate to a delivery system for a transcatheter valve prosthesis, the delivery system having an integral centering mechanism to circumferentially center both the delivery system and the valve prosthesis within a vessel at the target implantation site. The centering mechanism may include expandable wings that may be selectively aligned with openings formed through a sidewall of an outer shaft of the delivery system, a coiled wing that may be selectively exposed through an opening formed through a sidewall of an outer shaft of the delivery system, a plurality of elongated filaments extending through a plurality of lumens of an outermost shaft of the delivery system that may be selectively deployed or expanded, an outer shaft that includes at least one pre-formed deflection segment formed thereon, a tool having a deployable lever arm, and/or a plurality of loops deployable via simultaneous longitudinal and rotational movement.. ... Medtronic Inc

07/28/16 / #20160213441

Locking mechanism for a medical device assembly tray

A tray for a medical device assembly includes a tray body, a tray lid, and a connector arm. The tray body and the tray lid each have a first surface, a plurality of walls extending from the first surface, and an open end opposite the first surface. ... Medtronic Inc

07/28/16 / #20160213311

Method and apparatus for beat acquisition during template generation in a medical device having dual sensing vectors

Techniques are described for generating beat templates and utilizing those beat templates to detect a cardiac event, e.g., a tachyarrhythmia. In particular, example methods and devices for acquiring qualified beats for template generation are described. ... Medtronic Inc

07/28/16 / #20160213275

Atrial arrhythmia episode detection in a cardiac medical device

A method and medical device for detecting a cardiac event that includes sensing a cardiac signal, determining rr-intervals in response to the sensed cardiac signal, detecting a cardiac event in response to the rr-intervals, iteratively sensing a predetermined number of p-waves in response to detecting the cardiac event, and confirming the cardiac event in response to the iteratively sensed p-waves.. . ... Medtronic Inc

07/28/16 / #20160213274

Atrial arrhythmia episode detection in a cardiac medical device

A method and medical device for identifying a cardiac waveform that includes sensing cardiac signals, determining a plurality of rr-intervals in response to the sensed cardiac signals, determining r-waves associated with the plurality of rr-intervals, determining p-waves in response to the determined r-waves, determining parameters associated with each p-wave, determining relative changes of the p-waves in response to the determined parameters, determining whether each of the p-waves match within a match threshold in response to the determined relative changes, and generating a p-wave template in response to each of the p-waves matching within the match threshold.. . ... Medtronic Inc

07/28/16 / #20160213273

Atrial arrhythmia episode detection in a cardiac medical device

A method and medical device for identifying a cardiac waveform that includes sensing cardiac signals, determining a plurality of rr-intervals in response to the sensed cardiac signals, determining r-waves associated with the plurality of rr-intervals, determining p-wave windows in response to the determined r-waves, adjusting p-waves within the p-wave windows, identifying a p-wave parameter in response to the adjusted p-waves, and determining whether a p-wave occurs in response to the identified p-wave parameter.. . ... Medtronic Inc

07/28/16 / #20160213270

Atrial arrhythmia episode detection in a cardiac medical device

A method and medical device for detecting a cardiac event that includes sensing a cardiac signal, identifying r-waves in the cardiac signal attendant ventricular depolarizations, determining rr-intervals between successive r-waves in response to the sensed cardiac signal, detecting an atrial tachyarrhythmia based on an analysis of the rr-intervals, iteratively sensing groups of a predetermined number of p-waves attendant atrial depolarizations in response to detecting the atrial tachyarrhythmia, and confirming the atrial tachyarrhythmia based on an analysis of the iteratively sensed groups of p-waves.. . ... Medtronic Inc

07/28/16 / #20160213265

Method and apparatus to detect ischemia with a pressure sensor

The present disclosure provides an apparatus and method of detecting ischemia with a pressure sensor. The method can include obtaining a pressure signal and determining a pressure rate of change. ... Medtronic Inc

07/21/16 / #20160206892

Multi-device implantable medical device system and programming methods

An external medical device is capable of bidirectional wireless communication with multiple implantable medical devices (imds). The external medical device is configured to determine an active membership of an imd system present in a patient, establish programmable parameters for the imd system based on the active membership, and transmit values for the established programmable parameters to the active membership.. ... Medtronic Inc

07/21/16 / #20160206872

Interventional medical tools and assemblies

A tether assembly for a delivery tool that deploys an implantable medical device includes an elongate shaft and an attachment member coupled to a distal end of the shaft, wherein the attachment member includes an external thread and an end wall, the end wall extending orthogonally with respect to a direction of travel within a valley of the external thread to provide a hard stop for a threaded attachment bore of the medical device, when the bore is mated with the external thread. The tether assembly may extend within a lumen defined by an elongate tube of an inner assembly of the delivery tool, such that the attachment member thereof is located in proximity to a distal member of the inner assembly, the distal member being coupled to a distal end of the tube and forming a distal opening of the lumen.. ... Medtronic Inc

07/21/16 / #20160206853

Guide catheter with steering mechanisms

An endovascular guide catheter includes a guide tube and a handle. The flexible guide tube has a distal end portion configured to deflect via actuation of a pull wire. ... Medtronic Inc

07/21/16 / #20160206815

Mechanically actuated fluid infusion device

A fluid infusion device, for delivery of a medication fluid to the body of a user, includes a housing, a fluid reservoir for the medication fluid, a dosing mechanism, an infusion component, and a mechanical actuator. The fluid reservoir and the dosing mechanism are located in the housing, and the dosing mechanism is coupled to receive the medication fluid from the fluid reservoir. ... Medtronic Inc

07/21/16 / #20160206801

Blood fluid removal system performance monitoring

Monitoring of the performance of a blood fluid removal medium of a blood fluid removal device includes monitoring of condition, such as fluid flow rate or concentration of blood waste product, downstream of the medium. Upstream monitoring of the condition may also be performed to enhance the ability to determine whether the blood fluid removal medium is performing within predetermined ranges.. ... Medtronic Inc

07/21/16 / #20160206428

Prosthetic valve sizer and assembly including same

Various embodiments of a prosthetic valve sizer and a method that utilizes such valve sizer are disclosed. In one or more embodiments, the prosthetic valve sizer can include a sizer body including an annular base and a post extending from the annular base. ... Medtronic Inc

07/21/16 / #20160206360

Systems and methods for variable injection flow

Systems and methods for controllably variable fluid flow are disclosed that provide the ability to modify the effective cross-sectional area of the fluid delivery conduit available for fluid flow. Accordingly, selective control of these configurations allows fluid flow to be regulated as desired while the fluid delivery pressure remains the same. ... Medtronic Inc

07/21/16 / #20160206250

Using biomarker information for heart failure risk computation

Provided is a method, system and/or apparatus for determining prospective heart failure event risk. Acquired from a device memory are a heart failure patient's current and preceding risk assessment periods. ... Medtronic Inc

07/14/16 / #20160204004

Wafer-scale package including power source

A medical device includes a first substrate, a second substrate, a control module, and an energy storage device. The first substrate includes at least one of a first semiconductor material and a first insulating material. ... Medtronic Inc

07/14/16 / #20160199640

Mri-safe implantable medical device

A medical lead is provided for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy. The lead comprises an elongate insulating body and at least one electrical conductor within the insulating body. ... Medtronic Inc

07/14/16 / #20160199639

Methods, implantable medical leads, and related systems to monitor and limit temperature changes in proximty to electrodes

A temperature sensor is included within a lead in proximity to distal electrodes. The temperature sensor measures temperature change at the electrode to tissue interface. ... Medtronic Inc

07/14/16 / #20160199062

Endovascular aneurysm repair system

Method and apparatus for implanting radially expandable prostheses in the body lumens rely on tacking or anchoring of the prostheses with separately introduced fasteners. The prostheses may be self-expanding or balloon expandable. ... Medtronic Inc

07/14/16 / #20160199003

Microcatheter sensor design for mounting sensor to minimize induced strain

A catheter, such as a fractional flow reserve catheter, includes an elongate shaft having a proximal end optionally coupled to a handle or luer fitting and a distal end having a distal opening. A pressure sensing wire extends to the distal portion of the elongate shaft to be coupled to a pressure sensor mounted on the distal end for measuring a pressure of a fluid within lumen of vessel. ... Medtronic Inc

07/07/16 / #20160196650

Method for determining at least one applicable path of movement for an object in tissue

The invention relates to a method for determining at least one applicable path (32) for the movement of an object, especially of a surgical and/or diagnostical device, in human tissue (14) or animal tissue by means of a data set of intensity data obtained by a 3d imaging technique, the applicable path (32) of movement connecting a starting position (28) of the device with a defined target location (30). According to the invention the method comprises the steps: defining the target location (30) of a reference point of the device and choosing at least one possible starting position of the reference point of the device; determining a candidate path of movement (18, 20, 22) between the corresponding possible starting position (24,26, 28) and the defined target location (30); and evaluating the candidate path of movement (18, 20, 22) as being an applicable path (32) depending on information about local intensity extrema and/or intensity variation resulting from the intensity data along the candidate path of movement (18, 20, 22). ... Medtronic Inc

07/07/16 / #20160193471

External energy transfer system for an implantable medical device and method therefor

User interface for external power source, recharger, for an implantable medical device. At least some of patient controls and display icons of an energy transfer unit are common with at least some of the patient controls and the display icons of a patient control unit. ... Medtronic Inc

07/07/16 / #20160193458

Connector assemblies for receiving implantable medical leads

Connector assemblies that are separate from medical lead extensions provide features such as bores for receiving both a medical lead and a medical lead extension and provide electrical connections between connectors of the leads and connectors of the lead extensions. Connector assemblies may include additional features such as contours and wings that reduce subcutaneous erosion. ... Medtronic Inc

07/07/16 / #20160193450

Devices, system, and methods for guiding an operative tool into an interior body region

A guide device establishes a guide passage through a guide tube, through which an operative tool can be deployed into an interior body region for use. A steering assembly, in use, deflects or bends the distal end region of the guide tube, so that the operative tool can be placed in a desired orientation with respect to tissue. ... Medtronic Inc

07/07/16 / #20160193027

Devices, systems, and methods for prosthesis delivery and implantation, including the use of a fastener tool

Devices, systems, and methods for implanting radially expandable prostheses in the body lumens rely on tacking or anchoring the prostheses with separately introduced fasteners. The prostheses may be self-expanding or balloon expandable, and may include a single lumen or more than one lumen. ... Medtronic Inc

07/07/16 / #20160192985

Methods for therapeutic renal neuromodulation

Methods and apparatus are provided for treating hypertension, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

07/07/16 / #20160192984

Methods for bilateral renal neuromodulation

Methods and apparatus are provided for bilateral renal neuromodulation, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

06/16/16 / #20160167175

Welded stent and stent delivery system

A welded stent and stent delivery system, with a stent including a first strut having a first strut nickel titanium alloy layer and nickel titanium soluble core, the first strut nickel titanium alloy layer being disposed around the first strut nickel titanium soluble core; and a second strut having a second strut nickel titanium alloy layer and nickel titanium soluble core, the second strut nickel titanium alloy layer being disposed around the second strut nickel titanium soluble core, the second strut nickel titanium alloy layer being connected to the first strut nickel titanium alloy layer with a weld. The first and second strut nickel titanium alloy layers are made of a nickel titanium alloy, the first and second strut nickel titanium soluble cores are made of a nickel titanium soluble material, and the weld is made of an alloy of the nickel titanium alloy and the nickel titanium soluble material.. ... Medtronic Inc

06/16/16 / #20160167105

Apparatus and method for forming a wave form for a stent from a wire

An apparatus for forming a wave form for a stent from a wire includes a pair of tension wires configured to rotate about an axis. The tension wires and axis are substantially orthogonal to the stent wire disposed in a gap between the tension wires. ... Medtronic Inc

06/16/16 / #20160166834

Criteria for optimal electrical resynchronization during biventricular pacing

Generally, the disclosure is directed one or more methods or systems of cardiac pacing employing a right ventricular electrode and a plurality of left ventricular electrodes. Pacing using the right ventricular electrode and a first one of the left ventricular electrodes and measuring activation times at other ones of the left ventricular electrodes. ... Medtronic Inc

06/16/16 / #20160166825

Medical device with surface mounted lead connector

A medical device includes a printed circuit board, a connector mounted on the printed circuit board, and a polymeric body molded over the connector and the printed circuit board. The connector is configured to receive a medical lead and electrically and mechanically couple the lead to the printed circuit board. ... Medtronic Inc

06/16/16 / #20160166813

Fluid flow control devices, rotors and magnets with increased resistance to inadvertent setting change and improved accessory tool coupling

Implantable physiological shunt systems and related fluid flow control devices and accessories for use therewith. Devices, systems and methods relating to implantable medical fluid flow control devices, rotors and magnets with increased resistance to inadvertent setting changes. ... Medtronic Inc

06/16/16 / #20160166801

Hollow tubular drug eluting medical devices

A method of a forming a hollow, drug-eluting medical device includes providing composite member having an outer member and a core member disposed within a lumen of the outer member. The composite member is shaped into a pattern. ... Medtronic Inc

06/16/16 / #20160166758

Surgical fluid management system

A surgical fluid manager includes a pump releasably engageable to tubing and a user interface. The user interface is configured to enable finger-touch selection of a fluid flow rate through the tubing and configured to operate in at least one of a first mode or a second mode. ... Medtronic Inc

06/16/16 / #20160166753

Water management system for use in dialysis

A water management system for use in dialysis. The water management system includes apparatuses to generate purified water, and a reservoir for storing the purified water. ... Medtronic Inc

06/16/16 / #20160166752

Degassing membrane for dialysis

The degasser can have a degassing membrane that can be constructed from non-porous silica. The degassing membrane can be highly permeable to carbon dioxide but less permeable oxygen or nitrogen gases. ... Medtronic Inc

06/16/16 / #20160166751

Degassing system for dialysis

The degassing system can include a degassing vessel and can utilize a vacuum pump and a fluid pump located downstream of the degassing vessel to control the pressure within the degassing vessel in order to control the concentration of gases in fluid exiting the degassing system. The degassing system can further comprise sensors in communication with the pumps to control the rate of flow and pressure through the degassing system. ... Medtronic Inc

06/16/16 / #20160166748

Sensing and storage system for fluid balance

A sensing and storage system for fluid balance during dialysis is provided. The sensing and storage system has flow sensors on either side of a dialyzer in a controlled volume dialysate flow path. ... Medtronic Inc

06/16/16 / #20160166413

Method of forming a nitinol stent

A method of a forming a hollow, drug-eluting nitinol stent includes shaping a composite wire into a stent pattern, wherein the composite wire comprises an inner member, a nitinol intermediate member, and an outer member. After the composite wire is shaped into the stent pattern, the composite wire is heat treated to set the nitinol intermediate member in the stent pattern. ... Medtronic Inc

06/16/16 / #20160166380

Implant for treatment of a heart valve, in particular a mitral valve, material including such an implant, and material for insertion thereof

Implants formed by a helically wound wire and methods of using same for the treatment of a mitral heart valve. According to the invention, it has dimensions such that it is able to be screwed into the wall of the annulus and/or into the cardiac wall adjoining the annulus such that a portion of the annulus and/or of the wall is located in the perimeter of the implant; and it comprises at least one first coil able, during said screwing of the implant, to insert itself into the wall while having a first dimension and at least one second coil having a second dimension, or adopting this second dimension after implantation, the second dimension being smaller than the first dimension such that the implant, once inserted, enables contraction of the wall portion located in the perimeter of the implant.. ... Medtronic Inc

06/16/16 / #20160166338

System and method for navigated drill guide

A system for tracking a navigated instrument. The system can include a first elongated instrument and a second elongated instrument. ... Medtronic Inc

06/16/16 / #20160166326

Medical lead bending sensor

In some example, a medical device system including a medical lead; a bending sensor; and a controller configured to sense a bending of the medical lead during implantation of the medical lead in a patient based on the output of the bending sensor. The systems and techniques of this disclosure may improve the accuracy of the implantation of neurostimulation medical leads, for example, by accounting for bending deformation of the medical lead during implantation.. ... Medtronic Inc

06/16/16 / #20160166310

Timed energy delivery

A method and system for mapping tissue and producing lesions for the treatment of cardiac arrhythmias in a non-thermal and optimal manner, minimizing the amount of energy required to selectively stun or ablate the target tissues. Energy may be delivered only at the moment(s) of best device position and proximity of an electrode to target tissue, and only during a time in the cardiac cycle determined to be optimal for reversible or irreversible effects. ... Medtronic Inc

06/16/16 / #20160166306

Multifunctional ablation device

An intravascular catheter is provided, including a flexible elongate body; an expandable element positioned on the elongate body; a substantially linear thermal segment located proximally of the expandable element, the thermal segment defining a first flexibility, where the thermal segment is positioned between two portions of the catheter body each including a flexibility less than that of the thermal segment; a first fluid flow path in fluid communication with the expandable element; and a second fluid flow path in fluid communication with the thermal segment.. . ... Medtronic Inc

06/16/16 / #20160166305

Shafts with pressure relief in cryotherapeutic catheters and associated devices, systems, and methods

Cryotherapeutic systems with features that can facilitate pressure relief in the event of exhaust-passage blockage and associated devices, systems, and methods are disclosed herein. A cryotherapeutic system configured in accordance with a particular embodiment can include an elongated shaft having a distal portion and a pressure-relief portion proximal to the distal portion. ... Medtronic Inc

06/16/16 / #20160166279

Apparatus and methods for tissue anchoring of medical devices

An apparatus for tissue anchoring of a medical device includes a retention member and an elastic member secured between ends of the retention member. The retention member, being transformable along a longitudinal axis of the apparatus, is held by a spring bias of the elastic member in a first, gripping state; and, when opposing forces compress the elastic member, the retention member is transformed to a second, open state. ... Medtronic Inc

06/16/16 / #20160166158

System and method of integrating a fractional flow reserve device with a conventional hemodynamic monitoring system

A processing system received data from a fractional flow reserve device and communicates data to a conventional hemodynamic monitoring system having pressure displays. The processing system receives proximal pressure measurement signal from an aortic pressure measurement device and a distal pressure measurement signal from a distal pressure measurement device. ... Medtronic Inc

06/09/16 / #20160164337

Far field telemetry operations between an external device and an implantable medical device during recharge of the implantable medical device via a proximity coupling

Far field telemetry operations are conducted between an external device and an implantable medical device while power is being transferred to the implantable medical device for purposes of recharging a battery of the implantable medical device. The far field operations may include exchanging recharge information that has been collected by the implantable medical device which allows the external device to exercise control over the recharge process. ... Medtronic Inc

06/09/16 / #20160162662

Blood glucose validation for a closed-loop operating mode of an insulin infusion system

A method of controlling an insulin infusion device is presented here. The method can be implemented in a suitably configured electronic device, on an electronic storage medium, or the like. ... Medtronic Inc

06/09/16 / #20160158567

Extravascular implantable electrical lead having undulating configuration

This disclosure describes an implantable medical electrical lead and an icd system utilizing the lead. The lead includes a lead body defining a proximal end and a distal portion, wherein at least a part of the distal portion of the lead body defines an undulating configuration. ... Medtronic Inc

06/09/16 / #20160158556

Electrochemical cell with adjacent cathodes

The disclosure includes an electrochemical cell comprising a first cathode and a second cathodes are adjacent one another in a stacked arrangement to form a cathode stack in the electrochemical cell. The first cathode includes a first current collector and a first cathode form of active material covering the first current collector, and the second cathode includes a second current collector and a second cathode form of active material covering the second current collector. ... Medtronic Inc

06/09/16 / #20160158553

Patient directed therapy control

A patient controls the delivery of therapy through volitional inputs that are detected by a biosignal within the brain. The volitional patient input may be directed towards performing a specific physical or mental activity, such as moving a muscle or performing a mathematical calculation. ... Medtronic Inc

06/09/16 / #20160158552

Collecting sleep quality information via a medical device

At least one of a medical device, such as an implantable medical device, and a programming device determines values for one or more metrics that indicate the quality of a patient's sleep. Sleep efficiency, sleep latency, and time spent in deeper sleep states are example sleep quality metrics for which values may be determined. ... Medtronic Inc

06/09/16 / #20160158530

Extravascular implant tools and implant techniques utilizing such tools

This disclosure provides various embodiments of implant tools and implant techniques utilizing those tools to implant components within extravascular locations. In one example, an implant tool for implanting a component within an extravascular location of a patient comprise a handle and a shaft adjacent the handle. ... Medtronic Inc

06/09/16 / #20160158529

Over the needle implant tools and implant techniques utilizing such tools

Implant tools and techniques for implanting implantable medical leads or other implantable components in extracardiovascular locations, such as substernal locations, are described. In one example, the present application provides an implant tool for implanting a medical lead comprises a handle and a shaft. ... Medtronic Inc

06/09/16 / #20160158441

Methods for operating mode transitions and related infusion devices and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method involves operating an infusion device to deliver fluid to a user in accordance with a first operating mode of a plurality of operating modes, obtaining operational information pertaining to the first operating mode, and obtaining clinical information pertaining to the user. ... Medtronic Inc

06/09/16 / #20160158438

Advance diagnosis of infusion device operating mode viability

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device to deliver fluid to a user in accordance with an operating mode involves obtaining operational information pertaining to one or more prior instances of the operating mode, obtaining status information pertaining to the infusion device, and determining a diagnosis time based at least in part on the operational information. ... Medtronic Inc

06/09/16 / #20160158104

Systems for filling a fluid infusion device reservoir

A transfer device for filing a fluid reservoir of a fluid infusion device with a fluid is provided. The transfer device comprises a first end to couple to a source of the fluid, and a second end to couple to a pressurizing device. ... Medtronic Inc

06/09/16 / #20160158102

Flexible, flat pouch with port for mixing and delivering powder-liquid mixture

A pouch for mixing and dispensing a composition including a pouch body and a port body. The pouch body includes opposing, first and second major flexible walls sealed to one another along respective peripheries thereof to define an internal chamber and a pouch perimeter. ... Medtronic Inc

06/09/16 / #20160157914

Determination of pulmonary vein and other vascular occlusion using temperature profile following cold saline injection

A method, system, and device for predicting lesion quality. Specifically, lesion quality may be predicted based on an assessment of pulmonary vein occlusion using saline injection and evaluation of temperature measurements recorded by a thermocouple located distal to the cryoballoon of the treatment device. ... Medtronic Inc

06/09/16 / #20160157913

Contrast agent to assess quality of occlusion through impedance measurement

A method, system, and device for predicting lesion quality. Specifically, lesion quality may be predicted based on an assessment of pulmonary vein occlusion using injection of an impedance-modifying agent and evaluation of changes in impedance measurements recorded by an electrode located distal to an occlusion element of the treatment device used to inject the impedance-modifying agent. ... Medtronic Inc

06/09/16 / #20160157890

Extravascular implant tools utilizing a bore-in mechanism and implant techniques using such tools

Extravascular implant tools that utilize a bore-in mechanism to safely access extravascular locations and implant techniques utilizing these tools are described. The bore-in mechanism may include a handle and a helix extending from the handle. ... Medtronic Inc

06/09/16 / #20160157883

Methods of using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions

A device and method for ablating tissue is disclosed comprising the steps of acquiring an anatomical image of a patient, correlating the image to the patient, guiding an ablating member within the patient while tracking the position of the ablating member in the patient, positioning the ablating member in a desired position to ablate tissue, emitting ablating energy from the ablating member to form an ablated tissue area and removing the ablating member from the patient.. . ... Medtronic Inc

06/02/16 / #20160152695

Methods and device to neutralize soluble toxic agents in the brain

Methods, agents and devices for treating a patient to reduce accumulation of certain proteins in the brain are described. Such proteins include amyloid beta (aβ), and the methods, agents and devices are useful for reducing the accumulation of aβ, which is a principal constituent of the plaques associated with such diseases as alzheimer's disease (ad). ... Medtronic Inc

06/02/16 / #20160151633

Unwrapped 2d view of a stimulation lead with complex electrode array geometry

The disclosure is directed to programming implantable stimulators to deliver stimulation energy via one or more implantable leads having complex electrode array geometries. The disclosure also contemplates guided programming to select electrode combinations and parameter values to support efficacy. ... Medtronic Inc

06/02/16 / #20160151631

Method and apparatus for determining longevity

A method and apparatus for determining estimated remaining longevity for an implantable stimulator. A programmer processor is employed to acquire from the implantable stimulator a signal comprising data associated with the power source in the implantable stimulator and a date in which the stimulator was implanted. ... Medtronic Inc

06/02/16 / #20160151563

Flanged sealing element and needle guide pin assembly for a fluid infusion device having a needled fluid reservoir

A sealing assembly for a fluid infusion device includes a base plate, a reservoir port receptacle, a flow base component, and a needle sealing element. The receptacle receives the reservoir port, and has proximal and distal ends, and a needle entry in the distal end to receive a hollow needle of a fluid reservoir. ... Medtronic Inc

06/02/16 / #20160151156

Material for treatment of a heart valve, in particular a mitral valve

This material comprises an annuloplasty member able to be introduced using a catheter through minimally invasive vascular access, then to be delivered by said catheter and fixed to the valve annulus. According to the invention, it includes at least one catheter comprising at least one guide member able to be deployed from said catheter such that it extends along one portion of the valve annulus of the valve, in the immediate proximity of said valve annulus, and an implant having a helical shape engaged on said guide member, connected, with separation possibility, to actuation means making it possible to cause this implant to move forward while driving it in rotation around its axis; the implant can thus be deployed from the catheter while being simultaneously moved forward and driven in rotation along its axis.. ... Medtronic Inc

06/02/16 / #20160151153

Segmented transcatheter valve prosthesis having an unsupported valve segment

Embodiments hereof relate to a transcatheter valve prosthesis including a tubular fabric body, a first or inflow tubular scaffold attached to a first end portion of the tubular fabric body, and a second or outflow tubular scaffold attached to a second end portion of the tubular fabric body. A prosthetic valve component is disposed within and secured to an intermediate portion of the tubular fabric body that longitudinally extends between the first and second end portions of the tubular fabric body. ... Medtronic Inc

06/02/16 / #20160151112

Helical push wire electrode

Helical push wire electrodes are provided. The electrodes may create a continuous helical lesion. ... Medtronic Inc

05/26/16 / #20160147964

Real-time phase detection of frequency band

Techniques are described for real-time phase detection. For the phase detection, a signal is correlated with a frequency component of a frequency band whose phase is being detected, and the correlation includes predominantly decreasing weighting of past portions of the signals.. ... Medtronic Inc

05/26/16 / #20160144194

Determining effective electrodes for electrical stimulation

In one example, a computing device includes a memory to store data representative of an implant location of a lead in a patient, wherein the lead comprises a plurality of electrodes, and one or more processors configured to determine, based on the implant location, probabilities of effectiveness of electrical stimulation delivered via each of the electrodes, and present a visual representation of the determined probabilities. For instance, the representation of the determined probabilities may be displayed in conjunction with visual representations of the lead and the electrodes. ... Medtronic Inc

05/26/16 / #20160144191

Dynamic patient-specific filtering of an activity signal within a beating heart

An implantable medical device includes an activity sensor, a pulse generator, and a control module. The control module is configured to determine activity metrics from the activity signal and determine an activity metric value at a predetermined percentile of the activity metrics. ... Medtronic Inc

05/26/16 / #20160144190

Atrial synchronized ventricular pacing system using intracardiac pacemaker and extracardiac atrial sensing

An implantable medical device system includes an extracardiac sensing device and an intracardiac pacemaker. The sensing device senses a p-wave attendant to an atrial depolarization of the heart via housing-based electrodes carried by the sensing device when the sensing device is implanted outside the cardiovascular system and sends a trigger signal to the intracardiac pacemaker in response to sensing the p-wave. ... Medtronic Inc

05/26/16 / #20160144189

System and method for neurostimulation and/or neurorecording

The disclosure describes devices and systems that include a grounding electrode. In one example, a system may include a first module including a pulse generator within a first housing, a second module comprising a switch matrix within a second housing distinct from the first housing, a connecting cable that connects the first module to the second module, a grounding electrode disposed distal of the first module and proximal of the second module, and a plurality of electrodes disposed distal of the second module, wherein each electrode of the plurality of electrodes are selectively coupled to the pulse generator via the switch matrix. ... Medtronic Inc

05/26/16 / #20160144186

Electrode selection for electrical stimulation therapy

In one example, a method includes selecting, by one or more processors and based on a representation of sensed electrical signals for a particular patient and a plurality of representations of sensed electrical signals for a plurality of other patients, a combination of electrodes of a plurality of combinations of one or more implantable electrodes for delivery of electrical stimulation to the particular patient.. . ... Medtronic Inc

05/26/16 / #20160144185

System for neurostimulation and/or neurorecording

The disclosure describes devices, systems, and techniques for checking synchronization between two or more modules of a system. In one example, a first module is configured to output a therapy, and a second module distinct from the first module is configured to receive an alternating current (ac) power signal from an ac power source, monitor a characteristic of the ac power signal, determine, based on the characteristic of the ac power signal, a period of time during which the first module is expected to one of output the therapy or refrain from outputting the therapy, and check, during the period of time, a synchronicity between the first module and the second module.. ... Medtronic Inc

05/26/16 / #20160144168

Electronic module with electromagnetic interference protection

Various examples provide devices, systems, and techniques for dissipating electromagnetic interference (emi) induced energy in a medical device. In one example, an implantable electronic device includes a housing, at least one connector coupled to the housing and configured to at least one of receive first electrical signals or transmit second electrical signals, and an integrated circuit disposed within the housing, wherein the integrated circuit comprises at least one clamp stage coupled to a supply line of the integrated circuit, and wherein the at least one clamp stage is configured to dissipate magnetic resonance imaging (mri) induced energy from the supply line in response to at least one of a voltage or a current on the supply line exceeding a respective predetermined voltage threshold value or a current threshold value.. ... Medtronic Inc

05/26/16 / #20160144167

Disturbing magnetic resonance imaging (mri) images using implantable medical device

In one example, a method includes delivering, via one or more stimulation generators of a medical device implanted in a patient, electrical stimulation to the patient. In this example, the method also includes disturbing, by one or more components of the medical device, an image of the patient generated by a magnetic resonance image (mri) scanner.. ... Medtronic Inc

05/26/16 / #20160144166

Medical lead with thin film

A medical lead includes an elongated carrier, a thin film attached to the elongated carrier, the thin film including a plurality of electrodes, a plurality of electrical contacts, and a plurality of conducting tracks, each of the plurality of conducting tracks providing an electrical connection between at least one of the plurality of electrodes and one of the plurality of electrical contacts; and a frame element including a fixation zone for the plurality of electrical contacts of the thin film.. . ... Medtronic Inc

05/26/16 / #20160144165

Lead and a system for medical applications

In some examples, the present disclosure relates to an implantable medical lead and medical device systems employing such leads for medical applications, such as, e.g., neural stimulation, deep brain stimulation, and/or sensing of bioelectrical signals. In one example, the lead includes a thin film configured to be secured to at least a portion of a carrier core, wherein the thin film has a distal end, a proximal end, and at least one electrode between the proximal end and the distal end; and at least one fixation element configured to secure the distal end of the thin film to the carrier core, wherein the fixation element comprises at least one of a distal extension portion of the thin film at least partially wrapped around the carrier core distal to the at least one electrode or a jacket tube located around the carrier core and the thin film.. ... Medtronic Inc

05/26/16 / #20160144164

Implantable medical lead with protective tubing element

A protective tubing element for a medical lead includes an outer flexible tube, and a structurally flexible reinforcement at least partially covered by the at least one outer flexible tube, the outer flexible tube and the structurally flexible reinforcement are arranged such that the structurally flexible reinforcement and the outer flexible tube allow movements relative to each other.. . ... Medtronic Inc

05/26/16 / #20160144108

Systems and methods for fluid infusion device with automatic reservoir fill

Systems and methods for a fluid reservoir associated with a fluid infusion device, which is automatically filled are provided. The fluid infusion device includes a source of input and a fluid reservoir system including the fluid reservoir having a barrel and a stopper disposed within the barrel. ... Medtronic Inc

05/26/16 / #20160144106

Infusion set insertion device and method of use

An infusion set insertion device and method of use with an insertion device for an infusion set having an infusion set body including: a barrel defining a pull handle cavity; a pull handle slideably disposed in the pull handle cavity, the pull handle having an outer surface and defining an infusion set cavity and a release button cavity, the pull handle having a cocked position and an advanced position relative to the barrel; a release button slideably disposed in the release button cavity, the release button having a loaded position and a released position relative to the pull handle; and a driver operable to move the pull handle from the cocked position to the advanced position; wherein the release button extends a first axial distance beyond the outer surface when in the loaded position and extends a second axial distance into the infusion set cavity when in the released position.. . ... Medtronic Inc

05/26/16 / #20160144104

Systems and methods for fluid infusion device with automatic reservoir fill

Systems and methods for a fluid reservoir for use with a fluid infusion device which is automatically filled are provided. A set connector for use with a fluid reservoir of a fluid infusion device includes a body for defining a fluid flow path out of the fluid reservoir. ... Medtronic Inc

05/26/16 / #20160144103

Systems and methods for fluid infusion device with automatic reservoir fill

Systems and methods for a fluid reservoir for use with a fluid infusion device, which is automatically filled are provided. The fluid reservoir includes a barrel having a proximal end and a distal end. ... Medtronic Inc

05/26/16 / #20160144102

Fluid conduit assembly with air venting features

A fluid conduit assembly for delivery of a medication fluid, and an associated fluid delivery system, are disclosed here. The fluid conduit assembly includes a trapping chamber having an interior volume to receive the medication fluid. ... Medtronic Inc

05/26/16 / #20160144101

Mechanical injection pump and method of use

A mechanical injection pump wearable by a user to deliver a first fluid and a second fluid, including: a pump body having a first fluid chamber to hold the first fluid and a second fluid chamber to hold the second fluid; a common connector having a first inlet, a second inlet, and a common outlet; a first fluid system including the first fluid chamber, a first button drive connected to the first fluid chamber, and first fluid delivery path between the first fluid chamber and the first inlet; and a second fluid system including the second fluid chamber, a second button drive connected to the second fluid chamber, and second fluid delivery path between the second fluid chamber and the second inlet. Force by the user on the button drive increases pressure within the fluid chamber to drive a predetermined volume of the fluid from the fluid chamber.. ... Medtronic Inc

05/26/16 / #20160144078

Multilayer structure and method of manufacturing a multilayer structure

In some examples, a medical device system a thin film including at least one electrically conductive track extending between at least one electrode and at least one electrical contact, a first and second polymer layer; wherein, at a portion of the thin film between the at least one electrode and the at least one electrical contact, the first polymer layer and second polymer layer surround the at least one electrically conductive track; and at least one discrete ceramic member located between the first and second polymer layers at a portion of the thin film between the at least one electrode and the at least one electrical contact, wherein the at least one discrete ceramic member does not surround the at least one conductive track, and wherein the at least one discrete ceramic member is configured to increase adhesion between the first polymer layer and second polymer layer.. . ... Medtronic Inc

05/26/16 / #20160143758

Systems for deploying medical diagnostics and/or therapy and delivery tools thereof

A delivery tool of a system for deploying medical diagnostics and/or therapy includes a deployment member and a sheath. An elastic cantilever element secured to a tubular sidewall of the deployment member, in proximity to a distal opening of a lumen formed by the sidewall, is spring biased to extend outward from the sidewall. ... Medtronic Inc

05/26/16 / #20160143661

Delivery system assemblies for implantable medical devices

An inner member of an improved assembly for a delivery system includes a first segment formed by a multi-lumen tubing surrounded by a braided tubing, and a second segment formed by a single-lumen tubing that extends within a distal portion of the braided tubing. The single-lumen tubing accommodates an antenna of a medical device, is in fluid communication with three lumens of the multi-lumen tubing, and opens into a flared distal end of the inner member. ... Medtronic Inc

05/26/16 / #20160143591

Tissue resistance measurement

The disclosure describes tissue resistance measurement techniques. To avoid errors caused by bandwidth limitations of the amplifier that amplifies a signal used to determine the tissue resistance, the disclosure describes determining values at different frequencies, where the values include respective error values. ... Medtronic Inc

05/26/16 / #20160143555

Lead and a system for medical applications

In one example, a medical device system for at least one of delivery of electrical stimulation pulses or sensing of physiological signals, the system including an elongated carrier; and a thin film wound around the elongated carrier, wherein the thin film includes a plurality of electrical contacts, a plurality of electrodes located distal to the plurality of electrical contacts, and a plurality of conducting tracks, each of the plurality of conducting tracks providing an electrical connection between at least one of the plurality of electrodes and one of the plurality of electrical contacts, and wherein the thin film is wound around the elongated carrier from the distal end of the elongated film to the proximal end of the elongated thin film.. . ... Medtronic Inc

05/19/16 / #20160141718

Composite separator and electrolyte for solid state batteries

Separator and electrolyte composites are disclosed. The composites include a porous self-supporting separator film between or adjacent one or two electrolyte films. ... Medtronic Inc

05/19/16 / #20160139399

Visual and tactile assessment tool

A selectively attachable and removable visual and tactile assessment tool or clip for use with a mobile device is provided. Clip is an elongate member forming a curvilinear shape having a magnifying lens at a distal end thereof. ... Medtronic Inc

05/19/16 / #20160136420

Electrical stimulation to inhibit bladder and/or bowel contraction

In one example, a method including generating electrical stimulation therapy with a frequency of approximately 500 hertz or greater, and controlling delivery of the electrical stimulation therapy to a patient via a medical device between at least one of contractions of a bladder or contractions of a bowel of a patient, wherein the electrical stimulation therapy comprises electrical stimulation therapy configured to inhibit contraction of the bladder when the electrical stimulation is delivered between the contractions of the bladder, wherein the electrical stimulation therapy comprises electrical stimulation therapy configured to inhibit contraction of the bowel when the electrical stimulation is delivered between the contractions of the bowel, and wherein at least one of the generating and controlling is performed via one or more processors.. . ... Medtronic Inc

05/19/16 / #20160135879

Neuromodulation catheters with shafts for enhanced flexibility and control and associated devices, systems, and methods

Neuromodulation catheters with shafts for enhanced flexibility and control and associated devices, systems, and methods are disclosed herein. A neuromodulation catheter configured in accordance with some embodiments of the present technology can include, for example, an elongated shaft having a distal end portion and a mandrel extending at least along the distal end portion. ... Medtronic Inc

05/19/16 / #20160135865

Diagnostic guidewire for cryoablation sensing and pressure monitoring

A method and system for performing pulmonary vein isolation, mapping, and assessing pulmonary vein occlusion using a single device. The device may generally include an ablation element, such as a cryoballoon, and a sensing component slidably disposed within a lumen of the device and bearing one or more mapping electrodes and one or more pressure sensors. ... Medtronic Inc

05/19/16 / #20160135708

Qt interval determination methods and related devices

Described herein is a system and method of automatically monitoring qt intervals in a patient based on one or more ekg signals received from attached monitoring devices. Each ekg signal is analyzed to detect attributes of the first and second ekg signals, including qrs onset information, qrs peak information, and t-wave offset information. ... Medtronic Inc

05/12/16 / #20160134165

Surgical instrument motor with increased number of wires per phase set and increased fill factor and corresponding manufacturing method

A motor for a surgical instrument includes a rotor and a stator. The rotor includes a shaft and a magnet. ... Medtronic Inc

05/12/16 / #20160131571

Accelerated life testing device and method

An accelerated life testing device and method including an accelerated life testing method for a test piece within a test chamber, the method including: establishing a first atmosphere within the test chamber; changing the first atmosphere to a second atmosphere to form a deposition layer on the test piece; changing the second atmosphere to the first atmosphere to remove the deposition layer from the test piece; and repeating the changing the first atmosphere to the second atmosphere and the changing the second atmosphere to the first atmosphere to form an oxidation layer on the test piece.. . ... Medtronic Inc

05/12/16 / #20160129270

Systems and methods for clinician control of stimulation systems

Systems and methods for programming and logging medical device and patient data are provided. The systems include a handheld device, which is capable of communicating with a medical device, and a base station, which provides connectivity for the handheld device to accomplish various functions such as recharging, programming, data back-up and data entry. ... Medtronic Inc

05/12/16 / #20160129267

Medical devices having deformable structures providing medical lead fixation

Medical devices include deformable structures that contact a lead upon being compressed. A grip that a clinician may grasp and manipulate is engaged with a nose structure of a header block of the medical device, and manipulation of the grip causes compression of the deformable structure to ultimately create fixation of the lead within the header block.. ... Medtronic Inc

05/12/16 / #20160129264

Implantable medical devices with electrically isolated batteries in a separate enclosure

Medical devices include a separate enclosure that houses a battery and electrically isolates the battery from external conditions such as any metal enclosures and ultimately isolates the battery from body fluids. Thus, the separate enclosure attaches to a housing of a medical device and provides for modularity of the battery which allows, for instance, different size batteries to be used with the same medical device design. ... Medtronic Inc

05/12/16 / #20160129263

Mode switching by a ventricular leadless pacing device

In some examples, a leadless pacing device (hereinafter, “lpd”) is configured for implantation in a ventricle of a heart of a patient, and is configured to switch between an atrio-ventricular synchronous pacing mode and an asynchronous ventricular pacing mode in response to detection of one or more sensing events, which may be, for example, undersensing events. In some examples, an lpd is configured to switch from a sensing without pacing mode to an atrio-ventricular synchronous pacing mode in response to determining, for a threshold number of cardiac cycles, a ventricular depolarization was not detected within a ventricular event detection window that begins at an atrial activation event.. ... Medtronic Inc

05/12/16 / #20160129262

Mode switching by a ventricular leadless pacing device

In some examples, a leadless pacing device (hereinafter, “lpd”) is configured for implantation in a ventricle of a heart of a patient, and is configured to switch between an atrio-ventricular synchronous pacing mode and an asynchronous ventricular pacing mode in response to detection of one or more sensing events, which may be, for example, undersensing events. In some examples, an lpd is configured to switch from a sensing without pacing mode to an atrio-ventricular synchronous pacing mode in response to determining, for a threshold number of cardiac cycles, a ventricular depolarization was not detected within a ventricular event detection window that begins at an atrial activation event.. ... Medtronic Inc

05/12/16 / #20160129261

Ventricular leadless pacing device mode switching

In some examples, a leadless pacing device (lpd) is configured to switch from a sensing without pacing mode to ventricular pacing mode in response to determining that no intrinsic ventricular activity was detected within a ventricular event detection window for at least one cardiac cycle, which may be referred to as loss of conduction. The ventricular pacing mode may be selected based on whether atrial oversensing is detected in combination with the loss of conduction. ... Medtronic Inc

05/12/16 / #20160129239

Leadless pacing device implantation

In some examples, a system includes an implantable medical device configured for implantation in a chamber of the heart, an extension attached to the implantable medical device, the extension comprising a housing comprising at least one electrode, the housing defining a hole, and a tether comprising a first tether portion and a second tether portion and configured to be threaded through the hole. When the tether is threaded through the hole, the first tether portion and the second tether portion are on opposite sides of the hole. ... Medtronic Inc

05/12/16 / #20160129203

On-body injector and method of use

An on-body injector and method of use including an on-body injector for use with an injection device. The on-body injector includes a bolus reservoir; a bolus injection needle in fluid communication with the bolus reservoir, the bolus injection needle having a bolus injection needle tip aligned with the injection port, the bolus injection needle being slideably biased away from the injection port to define a gap between the bolus injection needle tip and the injection port; and a button operably connected to the bolus injection needle to slide the bolus injection needle along the injection axis. ... Medtronic Inc

05/12/16 / #20160129178

On-body injector and method of use

An on-body injector and method of use including an on-body injector for use with an injection device. The on-body injector includes a bolus reservoir; a bolus injection needle in fluid communication with the bolus reservoir, the bolus injection needle having a bolus injection needle tip aligned with the injection port, the bolus injection needle being slideably biased away from the injection port to define a gap between the bolus injection needle tip and the injection port; and a button operably connected to the bolus injection needle to slide the bolus injection needle along the injection axis. ... Medtronic Inc

05/12/16 / #20160129162

Protected magnesium alloys for bioresorbable stents

Biodegradable magnesium alloy implantable medical devices are protected to delay onset of corrosion, and thus biodegradability, or to corrode more uniformly. The protection allows for extended effective use of the devices while maintaining biodegradability. ... Medtronic Inc

05/12/16 / #20160128603

Multi frequency and multi polarity complex impedance measurements to assess ablation lesions

A method of assessing a tissue ablation treatment, including positioning a medical device adjacent a target tissue; measuring a first impedance magnitude a first frequency with the medical device; measuring a first impedance phase at a second frequency with the medical device; ablating at least a portion of the target tissue with the medical device; measuring at second impedance magnitude at a third frequency with the medical device; measuring a second impedance phase at a fourth frequency with the medical device; comparing at least one of (i) the first and second impedance magnitudes and (ii) the first and second impedance phases; and providing an indication of the efficacy of the ablation treatment based at least in part on the comparison.. . ... Medtronic Inc

05/05/16 / #20160121130

Implantable cardioverter-defibrillator (icd) system having multiple common polarity extravascular defibrillation electrodes

This disclosure provides an extravascular icd system and method for defibrillating a heart of a patient. The extravascular icd system includes multiple extravascular electrical stimulation leads or lead segments located in close proximity to one another and having respective defibrillation electrodes. ... Medtronic Inc

05/05/16 / #20160121125

Modular shield extender

An implantable medical device (imd) has a housing enclosing an electronic circuit. The housing includes a shield member defining a first portion of an interior cavity of the implantable medical device and a skirted feedthrough assembly. ... Medtronic Inc

05/05/16 / #20160121124

Paired stimulation pulses based on sensed compound action potential

In some examples, a method may include delivering an electrical stimulation therapy to a patient, the electrical stimulation therapy comprising a first electrical stimulation pulse delivered to the patient via a first electrode and a second electrical stimulation pulse delivered to the patient via a second electrode, wherein the first electrical stimulation pulse and second electrical stimulation pulse are delivered as paired pulses with respect to each other and a combination of the first electrical stimulation pulse and the second electrical stimulation pulse evoke a compound action potential within the patient; sensing the compound action potential evoked by the combination of the first electrical stimulation pulse and the second electrical stimulation pulse; and adjusting one or more parameters of the electrical stimulation therapy based on the sensed compound action potential. . ... Medtronic Inc

05/05/16 / #20160121107

Method and apparatus to manage lead-related conditions for fault tolerance enhancements

The disclosure describes systems, methods, and apparatus providing detection mechanism for lead-related conditions, including transient behaviors, on a conductive pathway of a medical electrical lead. In one example, a sense path arbitration module identifies a lead-related condition associated with a conductive pathway based on signal processing to identify transients emerging from a propagated signal. ... Medtronic Inc

05/05/16 / #20160121106

Extravascular lead designs for optimized pacing and sensing having segmented, partially electrically insulated defibrillation coils

A lead body having a defibrillation electrode positioned along a distal portion of the lead body is described. The defibrillation electrode includes a plurality of electrode segments spaced a distance apart from each other. ... Medtronic Inc

05/05/16 / #20160121101

Medical leads

Medical leads, such as medical electrical leads and medical neurological leads, that include a polymeric material that includes a silicone-urethane-containing polymer having improved hydrolytic stability.. . ... Medtronic Inc

05/05/16 / #20160121044

Fluid infusion device with safety coupling

A fluid infusion device is provided. The device comprises a drive system that includes a movable slide. ... Medtronic Inc

05/05/16 / #20160120667

Devices and methods for treating aneurysms and other vascular conditions

A fenestrated aortic cuff is configured to be delivered endovascularly to a target region, deployed, fastened, and sealed to a vessel wall, e.g., in a neck region of an aortic aneurysm. Example fenestrated cuffs provide a suitable landing zone for a commercially available endograft, which may be, in some cases, positioned below or above the renal arteries in order to complete exclusion of an abdominal aortic aneurysm (aaa) or a thoracic aortic aneurysm (taa), respectively, from systematic circulation. ... Medtronic Inc

05/05/16 / #20160120666

Apparatus and methods for filling a drug eluting medical device via capillary action

Methods and apparatus are disclosed for filling a therapeutic substance or drug within a hollow wire that forms a stent. The stent is placed within a chamber housing a fluid drug formulation. ... Medtronic Inc

05/05/16 / #20160120646

Transcatheter valve prosthesis having an external skirt for sealing and preventing paravalvular leakage

A transcatheter valve prosthesis including a tubular stent includes an interior skirt or skirt portion is coupled to and covers an inner circumferential surface of the stent, and an exterior skirt or skirt portion is coupled to and covers an outer circumferential surface of the stent. A prosthetic valve component is disposed within and secured to the interior skirt or skirt portion. ... Medtronic Inc

05/05/16 / #20160120609

Navigating a surgical instrument

An instrument tracking device for cooperating with an instrument during a surgical procedure where the instrument has an elongated body extending along a first longitudinal axis and including a working member at a distal tip includes a body having a distal end and a proximal end. An opening can be formed through the body along a second longitudinal axis. ... Medtronic Inc

05/05/16 / #20160120598

Ablation therapy to disrupt coordinated bladder contractions

The disclosure describes devices, systems, and techniques for identifying and treating bladder dysfunction. In one example, a method includes identifying one or more focal points at respective locations of bladder tissue of a bladder of a patient, the one or more focal points initiating coordinated contractions of a detrusor muscle. ... Medtronic Inc

05/05/16 / #20160120592

Telescoping device with saline irrigation line

An electrosurgical device includes a first shaft defining a proximal end, a distal end, and a lumen therethrough. A fluid delivery tube is disposed within the lumen, the fluid delivery tube defining a proximal end a distal end. ... Medtronic Inc

05/05/16 / #20160120591

Power monitoring circuitry and method for reducing leakage current in rf generators

An electrosurgical unit having power monitoring circuitry for reducing leakage current in an electrosurgical unit. The electrosurgical unit includes a power source configured to produce direct current, an rf waveform generator configured to convert the direct current into an rf signal, a voltage sensor configured to measure dc input voltage to the rf waveform generator, a current sensor configured to measure output current feedback, and a processor. ... Medtronic Inc

05/05/16 / #20160120590

Fingerswitch circuitry to reduce rf leakage current

An electrosurgical unit having detection circuitry for reducing radiofrequency leakage current in an electrosurgical unit. The electrosurgical unit includes a radiofrequency generator configured to generate electrosurgical energy, the radiofrequency generator including a detection circuit having a resistor ladder and an isolation transformer in electrical communication with the resistor ladder. ... Medtronic Inc

05/05/16 / #20160120589

Rf output stage switching mechanism

An electrosurgical unit including a radio frequency generator configured to generate electrosurgical energy. The radio frequency generator includes a first receptacle configured to electrically couple with an electrosurgical hand piece configured to deliver bipolar radiofrequency energy. ... Medtronic Inc

05/05/16 / #20160120552

Surgical bur with non-paired flutes

A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. ... Medtronic Inc

04/28/16 / #20160114376

Method and apparatus for creating formed elements used to make wound stents

A method for forming a wave form for a stent includes moving a first forming portion of a first forming member across an axis along which a formable material is provided in a first direction substantially perpendicular to the axis to engage and deform the formable material while engaging the formable material with a first forming portion of the second forming member. The method includes moving the first forming portion of the first forming member and the first forming portion of the second forming member across the axis in a second direction that is substantially opposite the first direction to draw and form the formable material over the first forming portion of the second forming member, disengaging the first forming member from the formable material, and rotating the first forming member to position a second forming portion of the first forming member to face the formable material.. ... Medtronic Inc

04/28/16 / #20160114169

Sensing and atrial-synchronized ventricular pacing in an intracardiac pacemaker

An intracardiac pacemaker is configured to receive a cardiac electrical signal developed across a pair of electrodes coupled to the pacemaker and detect a crossing of a first sensing threshold of the cardiac electrical signal. A pacing escape interval timer is set to a first pacing escape interval in response to the cardiac electrical signal crossing the first sensing threshold. ... Medtronic Inc

04/28/16 / #20160114168

Sensing and atrial-synchronized ventricular pacing in an intracardiac pacemaker

A pacemaker implantable in a chamber of a patient's heart is configured to produce a filtered cardiac electrical signal by filtering a raw cardiac signal by an adjustable filter of a sensing module of the pacemaker. The sensing module is configured to receive the raw cardiac electrical signal comprising r-waves, t-waves and p-waves via electrodes coupled to the sensing module. ... Medtronic Inc

04/28/16 / #20160114162

Sensing and atrial-synchronized ventricular pacing in an intracardiac pacemaker

An intracardiac pacemaker is configured to filter a raw cardiac electrical signal received by the pacemaker to produce a filtered cardiac electrical signal, analyzes the filtered cardiac electrical signal to establish cardiac event sensing criteria that discriminate p-waves from t-waves and r-waves all present in the raw cardiac electrical signal, and sense the p-waves from the filtered cardiac electrical signal when the established cardiac event sensing criteria are met. Sensed p-waves may be used for controlling atrial-synchronized ventricular pacing delivered by the pacemaker.. ... Medtronic Inc

04/28/16 / #20160114155

Coronary sinus medical electrical lead

The present invention may comprise an improvement to the prior art leads as disclosed above. In a preferred embodiment, the invention comprises an medical electrical lead that includes an elongated lead body. ... Medtronic Inc

04/28/16 / #20160114153

Coronary sinus medical electrical lead

The present invention may comprise an improvement to the prior art leads as disclosed above. In a preferred embodiment, the invention comprises an intravenous medical electrical lead that includes an elongated lead body. ... Medtronic Inc

04/28/16 / #20160114152

Medical electrical lead

The present disclosure may comprise an improvement to the prior art leads as disclosed above. One embodiment is directed to an intravenous medical electrical lead that includes an elongated lead body. ... Medtronic Inc

04/28/16 / #20160114151

Medical electrical lead

The present disclosure may comprise an improvement to the prior art leads as disclosed above. One embodiment is directed to an intravenous medical electrical lead that includes an elongated lead body. ... Medtronic Inc

04/28/16 / #20160113764

Prosthetic valve with flow director

A prosthetic valve comprising a stent frame, a valve structure, and a baffle structure. The stent frame defines a lumen. ... Medtronic Inc

04/28/16 / #20160113762

Devices, systems and methods for tissue approximation, including approximating mitral valve leaflets

Systems and methods for approximating tissue segments, such as mitral valve leaflets, on a minimally invasive basis. The system includes first and second approximation devices each including a magnetic component and an attachment mechanism. ... Medtronic Inc

04/28/16 / #20160113729

Navigated malleable surgical instrument

A surgical instrument is disclosed having an elongated body portion having a proximal end and a distal end. The body portion is formed from a plastically deformable material such that the body portion can be bent between the proximal and distal ends from a first configuration to a second bent configuration and maintains the bent configuration. ... Medtronic Inc

04/28/16 / #20160113713

Catheter apparatuses having multi-electrode arrays for renal neuromodulation and associated systems and methods

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. ... Medtronic Inc

04/28/16 / #20160113618

Acoustic monitoring to detect medical condition

Acoustic signals may be used to monitor one or more symptoms of a patient disease. A patient prescription may indicate one or more acoustic sensing programs that may be used to monitor at least on characteristic of an acoustic signal indicative of a patient symptom or disease. ... Medtronic Inc

04/28/16 / #20160113586

Filtering noise from a signal subjected to blanking

The disclosure describes techniques and systems for filtering noise from a physiological signal. In one example, one or more processors are configured to receive a signal indicative of physiological activity of a patient, wherein the signal comprises noise at one or more frequencies, and filter the noise from the signal according to a noise rejection model, wherein the noise rejection model predicts the noise at the one or more frequencies. ... Medtronic Inc

04/28/16 / #20160113577

Atrial arrhythmia episode detection in a cardiac medical device

A method and medical device for determining a cardiac episode that includes sensing a cardiac signal, identifying the signal sensed during a predetermined time interval as one of a cardiac event, a non-cardiac event, and an unclassified event, determining a number of identified cardiac events, determining a number of identified unclassified events, and determining whether the cardiac episode is occurring in response to the number of identified cardiac events being greater than a cardiac event count threshold and the number of identified unclassified events being less than an unclassified event count threshold.. . ... Medtronic Inc

04/28/16 / #20160113537

Atrial arrhythmia detection during ventricular pacing in a cardiac medical device

A method and medical device for determining a cardiac event that includes determining classification factors in response to a sensed cardiac signal, and classifying the cardiac signal as one of a plurality of cardiac events in response to the determined classification factors. The classification factors include determining sensed event windows having predetermined interval pairs during a predetermined time period, determining whether a number of the determined sense event windows is less than an interval pair threshold, determining whether a number of intervals occurring during the predetermined time period and not within the sensed event windows that are less than a predetermined interval threshold is greater than a sensed interval threshold, determining whether a predetermined number of intervals occurring during the predetermined time period and not within the sensed event windows are less than a short interval count threshold, determining whether a predetermined number of intervals occurring during the predetermined time period that are either within the sensed event windows or not within the sensed event windows that are paced events is greater than a paced event threshold, and determining whether oversensing detection occurred during the predetermined event time period.. ... Medtronic Inc

04/28/16 / #20160113536

Method and apparatus for selection and use of virtual sensing vectors

A medical device is configured to receive at least two physical cardiac electrical signals from a patient's heart via electrodes defining at least two physical sensing vectors. The medical device determines a signal feature for each of a plurality of virtual sensing vectors extending at a plurality of angles relative to one of the at least two physical sensing vectors during a known cardiac rhythm, compares the determined signal features and establishes criteria for confirming a suspected condition in response to the comparing.. ... Medtronic Inc

04/28/16 / #20160113534

Atrial arrhythmia detection during intermittent instances of ventricular pacing in a cardiac medical device

A method and medical device for determining a cardiac event that includes sensing a cardiac signal, determining a predetermined number of sensed cardiac events in response to the sensed cardiac signal, determining a plurality of sensed event windows in response to the predetermined number of the sensed cardiac events, determining, for each of the plurality of sensed event windows, whether a number of paced events is less than a paced event threshold, determining whether intervals within the sensed event windows having a number of paced events less than the paced event threshold are greater than an interval threshold, determining an interval difference factor for each of the plurality of windows having intervals less than the interval threshold, and determining the cardiac event in response to the interval difference factors determined for each of the plurality of windows.. . ... Medtronic Inc

04/07/16 / #20160096218

Method and apparatus for creating formed elements used to make wound stents

A method for forming a wave form for a stent includes moving a first forming portion of a first forming member across an axis along which a formable material is provided in a first direction substantially perpendicular to the axis to engage and deform the formable material while engaging the formable material with a first forming portion of the second forming member. The method includes moving the first forming portion of the first forming member and the first forming portion of the second forming member across the axis in a second direction that is substantially opposite the first direction to draw and form the formable material over the first forming portion of the second forming member, disengaging the first forming member from the formable material, and moving the first forming member to position a second forming portion of the first forming member to face the formable material.. ... Medtronic Inc

04/07/16 / #20160095987

Fluid conduit assembly with gas trapping filter in the fluid flow path

A fluid delivery system and a fluid conduit assembly suitable for use with the system are disclosed herein. The system includes a fluid infusion pump and a fluid conduit assembly coupled to the pump to deliver medication fluid to a user. ... Medtronic Inc

04/07/16 / #20160095974

Irrigation system and clip for a surgical instrument

An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. ... Medtronic Inc

04/07/16 / #20160095963

Methods and compositions for treating post-operative pain comprising clonidine

The present invention is directed to an implantable drug depot useful for reducing, preventing or treating post-operative pain in a patient in need of such treatment, the implantable drug depot comprising a therapeutically effective amount of clonidine or pharmaceutically acceptable salt thereof and a polymer; wherein the depot is implantable at a site beneath the skin to reduce, prevent or treat post-operative pain, and the depot is capable of releasing (i) about 5% to about 45% of the clonidine or pharmaceutically acceptable salt thereof relative to a total amount of the clonidine or pharmaceutically acceptable salt thereof loaded in the drug depot over a first period of up to 48 hours and (ii) about 55% to about 95% of the clonidine or pharmaceutically acceptable salt thereof relative to a total amount of the clonidine or pharmaceutically acceptable salt thereof loaded in the drug depot over a subsequent period of at least 3 days.. . ... Medtronic Inc

04/07/16 / #20160095862

Methods and devices for renal nerve blocking

Drug eluting implants for targeted delivery of a nerve-blocking agent to inhibit neural traffic along renal nerves of a human patient.. . ... Medtronic Inc

04/07/16 / #20160095659

Catheter apparatuses, systems, and methods for renal neuromodulation

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft. ... Medtronic Inc

04/07/16 / #20160095655

Catheter apparatuses, systems, and methods for renal neuromodulation

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft. ... Medtronic Inc

04/07/16 / #20160095654

Catheter apparatuses, systems, and methods for renal neuromodulation

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft. ... Medtronic Inc

04/07/16 / #20160095546

Automated calibration of posture state classification for a medical device

Techniques relate to operating a medical device by classifying a detected posture state of a patient. This classification may be performed by comparing the detected posture state of the patient to posture state definitions available within the system. ... Medtronic Inc

04/07/16 / #20160095535

Systems and methods for evaluating neuromodulation therapy via hemodynamic responses

Systems and methods for evaluating neuromodulation via hemodynamic responses are disclosed herein. A system configured in accordance with embodiments of the present technology can include, for example, a neuromodulation catheter comprising an elongated shaft having a distal portion, and a plurality of electrodes spaced along a distal portion. ... Medtronic Inc

03/31/16 / #20160089506

Systems for managing reservoir chamber pressure

Systems for managing pressure in a fluid reservoir chamber of a fluid infusion device are provided. For example, a fluid infusion device is provided. ... Medtronic Inc

03/31/16 / #20160089505

Systems for managing reservoir chamber pressure

Systems for managing pressure in a fluid reservoir chamber of a fluid infusion device are provided. For example, a fluid infusion device comprises a housing having a chamber for receiving a fluid reservoir. ... Medtronic Inc

03/31/16 / #20160089236

Valve prosthesis and method for delivery

In some embodiments, a valve prosthesis includes an inlet portion that is substantially s-shaped and configured to engage the floor of the outflow tract of the native heart atrium. In some embodiments, a valve prosthesis includes a chordae guiding element configured to reduce bending of the chordae to reduce stress on the chordae during the cardiac cycle. ... Medtronic Inc

03/24/16 / #20160082270

Medical device fixation attachment mechanism

A fixation member configured to anchor an implantable medical device within a patient is attached to an implantable medical device by introducing at least a portion of the fixation member in a tube mechanically connected to the medical device, and plastically deforming the tube in order to pinch the fixation member within a hollow space of the tube.. . ... Medtronic Inc

03/24/16 / #20160082223

Sterile molded dispenser

A package for a medical device having an elongated shaft and a proximal luer fitting, the package includes a one-piece body formed as a single structure. The one-piece body includes at least a spiral casing formed therein, the spiral casing defining a spiral lumen configured to receive the elongated shaft of the medical device. ... Medtronic Inc

03/24/16 / #20160081564

Microcatheter sensor design for minimizing profile and impact of wire strain on sensor

A catheter, such as a fractional flow reserve catheter, includes an elongate shaft having a pressure sensing wire extending to the distal portion of the elongate shaft. The wire has a pressure sensor mounted on the distal end for measuring a pressure of a fluid within lumen of vessel. ... Medtronic Inc

03/17/16 / #20160074666

Method and apparatus for determining parameters for oversensing in an implantable medical device

A method and medical device for determining oversensing that includes sensing cardiac signals from a first sensing channel, determining whether oversensing of the cardiac signal is occurring in response the cardiac signals sensed from the first sensing channel, determining a sensing parameter adjustment and initiating sensing of cardiac signals from a second sensing channel having the adjusted sensing parameter in response to oversensing being determined to occur, determining an oversensing value in response to the sensing in the second sensing channel, and storing the determined oversensing value.. . ... Medtronic Inc

03/17/16 / #20160074639

Pressure relief for a catheter balloon device

An inflation device for selectively inflating a balloon of a surgical instrument including a syringe, a connector, a mechanical pressure indicator, and a relief port. The syringe includes a plunger slidably disposed within a barrel. ... Medtronic Inc

03/17/16 / #20160074600

Determining catheter status

A method for determining the status of a catheter of an implanted infusion system, where the catheter is intended to deliver a fluid composition to csf of a patient, includes monitoring catheter pressure, developing a pressure modulation profile based on the monitored pressure, and comparing the developed pressure modulation profile to a predetermined pressure profile. The predetermined pressure profile may be a profile of cerebrospinal fluid or a bolus infusion or withdrawal profile for the catheter. ... Medtronic Inc

03/17/16 / #20160074110

Methods and devices for localized disease treatment by ablation

Provided herein are methods, systems, and devices for increasing heat shock protein expression and treating conditions for which increased heat shock protein expression is expected to be beneficial using thermal ablation.. . ... Medtronic Inc

03/17/16 / #20160074090

Balloon design to enhance cooling uniformity

A device, system, and method for enhancing cooling uniformity and efficiency of cryogenic fluids and providing a treatment element the shape of which can be adjusted for multiple purposes. The device may include a balloon catheter and fluid dispersion element, the fluid dispersion element directing the flow of coolant from a fluid injection element the interior wall of the balloon. ... Medtronic Inc

03/17/16 / #20160074089

Universal adaptor for gas scavenging systems

An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. ... Medtronic Inc

03/10/16 / #20160067513

Implantable medical devices having multi-cell power sources

. . An implantable medical device includes a low-power circuit and a multi-cell power source. The cells of the power source are coupled in a parallel configuration. ... Medtronic Inc

03/10/16 / #20160067512

Implantable medical device having isolated multi-cell power sources

Implantable medical device systems of the present disclosure may include a subcutaneous implantable cardioverter defibrillator (sicd) that is powered by a multi-cell power source that is connected to a transformer and power conversion circuitry to charge one or more relatively small, but powerful, high voltage capacitors to provide a relatively high discharge voltage. The sicd includes electrical isolation for the multi-cell power source to protect against cross-charging between the cells during the operational lifetime of the sicd.. ... Medtronic Inc

03/10/16 / #20160067511

Transthoracic protection circuit for implantable medical devices

An implantable medical device includes a low-power circuit, a high-power circuit, and a multi-cell power source. The implantable medical device delivers stimulation therapy to cardiac tissue. ... Medtronic Inc

03/10/16 / #20160067510

Monitoring multi-cell power source of an implantable medical device

An implantable medical device includes a low-power circuit and a multi-cell power source. The cells of the power source are coupled in a parallel configuration. ... Medtronic Inc

03/10/16 / #20160067509

Transformer-based charging circuits for implantable medical devices

An implantable medical device includes a low-power circuit, a high-power circuit, and a dual-cell power source. The power source is coupled to a transformer having first and second primary windings, each of which is selectively coupled to the power source and a plurality of secondary windings that are magnetically coupled to the first and second primary windings. ... Medtronic Inc

03/10/16 / #20160067508

Multiple transformer charging circuits for implantable medical devices

An implantable medical device includes a low-power circuit, a high-power circuit, and a dual-cell power source. The power source is coupled to a dual-transformer such that each cell is connected to only one of the transformers. ... Medtronic Inc

03/10/16 / #20160067507

Implantable medical devices having multi-cell power sources

An implantable medical device includes a low-power circuit and a multi-cell power source. The cells of the power source are coupled in a parallel configuration. ... Medtronic Inc

03/10/16 / #20160067506

Multi-primary transformer charging circuits for implantable medical devices

An implantable medical device includes a low-power circuit and a multi-cell power source. The cells of the power source are coupled to a transformer in a parallel configuration. ... Medtronic Inc

03/10/16 / #20160067503

Delivery system assemblies for implantable medical devices

An inner subassembly of a delivery system assembly extends within a lumen of an elongate outer tube of the assembly, and includes a flared distal end, which is preferably configured to conform to a proximal end of an implantable medical device; a distal-most portion of the outer tube is sized to contain both the flared distal end and an entirety of the medical device. The inner subassembly includes a core, an elongate pull-wire, extending along the core, and a sheath surrounding the pull-wire and the core; the sheath includes a slot opening that allows the pull-wire to pass laterally therethrough. ... Medtronic Inc

03/10/16 / #20160067500

System and method for dual-chamber pacing

A medical device system including a pacemaker implantable in an atrial chamber of a patient's heart is configured to sense near field atrial events from a cardiac signal received by a sensing module of the pacemaker and to sense far field ventricular events. The pacemaker is configured to establish an atrial lower rate interval to control a rate of delivery of atrial pacing pulses, determine a rate of the far field ventricular events sensed by the sensing module, determine an atrial event rate, compare the rate of the sensed far field ventricular events to the atrial event rate, and adjust the atrial lower rate interval in response to the comparison.. ... Medtronic Inc

03/10/16 / #20160067498

Determining onsets and offsets of cardiac depolarization and repolarization waves

An exemplary computer-implemented method is disclosed for detection of onset of depolarization on far-field electrograms (egms) or electrocardiogram (ecg)-or ecg-like signals. The method includes determining a baseline rhythm using a plurality of body-surface electrodes. ... Medtronic Inc

03/10/16 / #20160067495

Therapy program selection for electrical stimulation therapy based on a volume of tissue activation

In some examples, a processor of a system evaluates a therapy program based on a score determined based on a volume of tissue expected to be activated (“vta”) by therapy delivery according to the therapy program. The score may be determined using an efficacy map comprising a plurality of voxels that are each assigned a value. ... Medtronic Inc

03/10/16 / #20160067490

Dual chamber timing for leadless pacemakers using infrequent atrial signals and ventricular contractions

A method for adjusting a pacing rate in a dual-chamber, leadless pacemaker implanted in a heart may involve determining, with a leadless atrial pacemaker implanted in an atrium of the heart, that an intrinsic atrial contraction rate of the atrium is faster than a ventricular contraction rate, transmitting a first signal from the atrial pacemaker to a leadless ventricular pacemaker implanted in a ventricle of the heart to increase a ventricular pacing rate of the ventricular pacemaker, receiving the transmitted first signal with the ventricular pacemaker, and increasing the ventricular pacing rate, based on the received first signal.. . ... Medtronic Inc

03/10/16 / #20160067487

System and method for dual-chamber pacing

A medical device system including an pacemaker implantable in a chamber of a patient's heart is configured to sense near field events from a cardiac electrical signal, establish a lower rate interval to control a rate of delivery of pacing pulses and schedule a first pacing pulse by starting a pacing escape interval set equal to the lower rate interval. The pacemaker withholds the scheduled pacing pulse in response to sensing a near-field event during the pacing escape interval and schedules a next pacing pulse to be delivered at the lower rate interval from a time that the pacing escape interval is scheduled to expire.. ... Medtronic Inc

03/10/16 / #20160067486

Far-field r-wave detection to control atrial pace timing in a dual-chamber leadless pacemaker

A method for sensing far-field r-waves in a leadless, intracardiac pacemaker implanted in an atrium of a patient's heart may involve sensing an electrical signal generated by the heart with two electrodes and a first sensing channel and/or a second sensing channel of the pacemaker, comparing a first timing marker from the first sensing channel with a second timing marker from the second sensing channel, and either determining that the sensed signal is a p-wave, if the first and second timing markers indicate that the sensed signal was sensed by the first and second sensing channels within a predetermined threshold of time from one another, or determining that the sensed signal is a far-field r-wave, if the sensed signal is sensed by the second sensing channel and not sensed by the first sensing channel.. . ... Medtronic Inc

03/10/16 / #20160067481

Shielded implantable medical lead with guarded termination

Implantable medical leads include a shield that is guarded at a termination by having a first portion and a second portion of the shield, where the first portion is between a termination of the shield at the second portion and an inner insulation layer that surrounds the filars. The first portion may reduce the coupling of rf energy from the termination of the shield at the second portion to the filars. ... Medtronic Inc

03/10/16 / #20160067404

Modular external infusion device

A modular external infusion device that controls the rate a fluid is infused into an individual's body, which includes a first module and a second module. More particularly, the first module may be a pumping module that delivers a fluid, such as a medication, to a patient while the second module may be a programming module that allows a user to select pump flow commands. ... Medtronic Inc

03/10/16 / #20160066988

Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. ... Medtronic Inc

03/10/16 / #20160066974

Cryoadhesive device for left atrial appendage occlusion

An epicardial device, system, and method for stabilizing the left atrial appendage during a left atrial appendage ligation/occlusion procedure. A cryoadhesion device including a stabilization element is positioned within the pericardial space proximate the left atrial appendage through subxiphoid access. ... Medtronic Inc

03/10/16 / #20160066945

Tumor margin device

A cutting device for use with a powered surgical tool includes an outer blade and an inner blade. The outer blade includes a tubular body having side walls, a planar distal end extending at an angle to the side walls, and a cutting window formed in the distal end and the side walls. ... Medtronic Inc

03/10/16 / #20160066943

Method for resection of tumors and tissues

A surgical method of removing tissue of a patient includes grasping a surgical cutting instrument. The instrument includes an outer blade including a tubular body, an end cap, and a cutting window defined by an edge on at least the end cap, and an inner blade including a cutting tip, the inner blade co-axially disposed within the outer blade, the cutting tip including a cutting edge extending toward the end cap of the outer blade, wherein the cutting tip is rotatably exposed at the cutting window. ... Medtronic Inc

03/10/16 / #20160066942

Tumor debulker

A cutting device for use with a powered surgical tool includes an outer blade and an inner blade. The outer blade includes a tubular body, an end cap, and a cutting window defined by a beveled edge on the tubular body and the end cap. ... Medtronic Inc

03/10/16 / #20160066814

Determining a location of a member

An volume of a patient can be mapped with a system operable to identify a plurality of locations and save a plurality of locations of a mapping instrument. The mapping instrument can include one or more electrodes that can sense a voltage that can be correlated to a three dimensional location of the electrode at the time of the sensing or measurement. ... Medtronic Inc

03/03/16 / #20160065133

Power-efficient chopper amplifier

In an example, an electrical circuit device for amplifying a physiological signal includes a modulation unit configured to receive an input signal, to modulate the input signal to produce a modulated signal. The device also includes an amplification and transconductance unit configured to amplify an amplitude of the modulated signal and increase a transconductance of the modulated signal to produce a transconductance enhanced modulated and amplified signal, where the amplification and transconductance unit comprises at least a first complementary pair of transistors and a second complementary pair of transistors configured to receive the modulated signal and to amplify and increase the transconductance of the modulated signal. ... Medtronic Inc

03/03/16 / #20160059003

Interventional medical systems, devices, and methods of use

A relatively compact implantable medical device includes a fixation member formed by a plurality of fingers mounted around a perimeter of a distal end of a housing of the device; each finger is elastically deformable from a relaxed condition to an extended condition, to accommodate delivery of the device to a target implant site, and from the relaxed condition to a compressed condition, to accommodate wedging of the fingers between opposing tissue surfaces at the target implant site, wherein the compressed fingers hold a cardiac pacing electrode of the device in intimate tissue contact for the delivery of pacing stimulation to the site. Each fixation finger is preferably configured to prevent penetration thereof within the tissue when the fingers are compressed and wedged between the opposing tissue surfaces. ... Medtronic Inc

03/03/16 / #20160059002

Interventional medical systems, devices, and components thereof

A fixation member component, for example, employed by a relatively compact implantable medical device, includes a plurality of fingers; each finger includes a first segment extending from a fixed end of the corresponding finger, and a second segment extending from the corresponding first segment to a free end of the corresponding finger. Each first segment is elastically deformable from a relaxed to an extended condition, and from the relaxed to a compressed condition, and includes a peripheral portion and a central cut-out portion, framed by the peripheral portion. ... Medtronic Inc

03/03/16 / #20160058724

Baclofen formulations and methods for making same

Methods for preparing sterilized baclofen solutions include adjusting the ph to below a desired ph, and steam sterilizing the solution with adjusted ph, which results in the solution having the desired ph. Such solutions may also have low concentrations of 4-cpp. ... Medtronic Inc

03/03/16 / #20160058541

Embolic protection device

An embolic protection device includes a shaft, a first magnet fixedly coupled to a distal portion of the shaft, a second magnet slidingly coupled to the shaft proximal to the first magnet, and a filter including a distal portion coupled to the first magnet and a proximal portion coupled to the second magnet. The first and second magnets are magnetically attracted to each other such that in a radially compressed configuration of the filter, the second magnet is spaced from the first magnet a first distance, and in a radially expanded configuration of the filter, the second magnet slides towards the first magnet such that the second magnet is spaced a second distance from the first magnet, wherein the second distance is smaller than the first distance.. ... Medtronic Inc

03/03/16 / #20160058522

Visualization device for use with a tray for loading a medical device

A visualization device for use with a loading tray includes a frame comprising a floor, a first side wall extending generally perpendicular from the floor, and a second side wall extending generally perpendicular from the floor and spaced from the first side wall. The visualization device further includes a mirror abutting the floor of the frame. ... Medtronic Inc

03/03/16 / #20160058505

Systems and methods for detecting tissue contact during ablation

Systems and methods for assessing tissue contact, including positioning an electrode adjacent a tissue region; delivering radiofrequency energy to the electrode, wherein the delivered radiofrequency energy is sufficient to ablate at least a portion of the tissue region; obtaining a plurality of impedance measurements from the electrode during the delivery of the radiofrequency energy; calculating a change in the impedance measurements over a pre-determined time period; and generating an alert if the calculated change is less than a pre-defined value.. . ... Medtronic Inc

03/03/16 / #20160058503

Methods for modulating renal nerve tissue and associated systems and devices

Methods for treating a patient using therapeutic renal neuromodulation and associated devices, system, and methods are disclosed herein. One aspect of the present technology is directed to neuromodulating nerve tissue in selected anatomical regions. ... Medtronic Inc

03/03/16 / #20160058438

Catheter-based fastener implantation apparatus and methods

Apparatus and methods utilize an intraluminal fastener applier having a guide body with a longitudinal axis. The guide body is sized and configured for intraluminal deployment in a hollow body organ. ... Medtronic Inc

02/25/16 / #20160054424

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

02/25/16 / #20160051821

Apparatus and methods of adjusting atrioventricular pacing delay intervals in a rate adaptive pacemaker

Provided herewith are methods and apparatus for optimizing an atrioventricular (av) pacing delay interval. One manner described involves dynamically programming an av interval in cardiac resynchronization therapy (crt) device having a rate-adaptive av (raav) feature in such a way that not less than a minimum av interval is maintained. ... Medtronic Inc

02/25/16 / #20160051755

Low cost fluid delivery device

Embodiments of the invention described herein include low cost infusion devices having basal and/or bolus fluid delivery options. Embodiments of the device include a housing, a reservoir to contain the fluid, a source of pressure to exert a force to expel the fluid contained in the reservoir, a bolus port adapted to receive an optional extra dose of fluid, and a cannula in fluid communication with the reservoir and the bolus port. ... Medtronic Inc

02/25/16 / #20160051749

Geofencing for medical devices

A medical therapy system for delivering at least two therapies based on a geographic location of the medical therapy system is disclosed. The medical therapy system includes an infusion pump having a case that contains a processor, memory, a drive mechanism, a reservoir, a radio, and a sensor suite. ... Medtronic Inc

02/25/16 / #20160051364

Rapid exchange transcatheter valve delivery system

A delivery device for implanting a prosthetic heart valve. The device includes an inner shaft assembly, an outer sheath and a connector assembly. ... Medtronic Inc

02/25/16 / #20160051324

Intracardiac tools and methods for delivery of electroporation therapies

A medical system, including a medical device having a plurality of deployable arms, and at least one electrode on at least one of the plurality of arms; and an electric signal generator in communication with the medical device, the electric signal generator programmed to deliver pulsed energy to the medical device sufficient to induce irreversible electroporation ablation.. . ... Medtronic Inc

02/25/16 / #20160051309

Cryogenic balloon device with radiofrequency tip

An intravascular ablation device, including a flexible elongate body; an expandable element positioned on the elongate body; a radiofrequency or electroporation treatment segment located distally of the expandable element; a cryogenic coolant source in fluid communication with an interior of the expandable element; and a radiofrequency or electroporation energy source in communication with the radiofrequency or electroporation treatment segment.. . ... Medtronic Inc

02/25/16 / #20160051159

Visual representation of a cardiac signal sensing test

A medical device system for monitoring a patient's heart includes an implantable medical device (imd) configured to determine sensing vector data for multiple sensing vectors selected from electrodes coupled to the imd. The system further includes an external device configured to receive the sensing vector data and provide at least a portion of the sensing vector data to a user display configured to display sensing vector criteria and the sensing vector data as part of a graphical user interface for programming a sensing vector used by the implantable medical device for monitoring a patient's heart rhythm.. ... Medtronic Inc

02/18/16 / #20160045744

Systems and methods for evaluating cardiac therapy

Systems and methods are described herein for assisting a user in evaluation of cardiac therapy. The systems and methods may monitor electrical activity of a patient using external electrode apparatus to provide baseline electrical heterogeneity information and therapy electrical heterogeneity information. ... Medtronic Inc

02/18/16 / #20160045738

Systems and methods for configuration of atrioventricular interval

Systems and methods are described herein for assisting a user in identification and/or optimization of an atrioventricular (a-v) interval for use in cardiac therapy. The systems and methods may monitor electrical activity of a patient using external electrode apparatus to provide electrical heterogeneity information for a plurality of different a-v intervals and may identify an a-v interval based on the electrical heterogeneity information.. ... Medtronic Inc

02/18/16 / #20160045737

Systems and methods for configuration of interventricular interval

Systems and methods are described herein for assisting a user in identification of interventricular (v-v) delay for cardiac therapy. The systems and methods may monitor electrical activity of a patient using external electrode apparatus to provide electrical heterogeneity information for a plurality of different v-v intervals and may identify a v-v interval based on the electrical heterogeneity information.. ... Medtronic Inc

02/18/16 / #20160045732

Systems, methods, and interfaces for configuring cardiac therapy

Systems, methods, and interfaces are described herein for assisting in a user in configuring cardiac therapy. A projection of a phrenic nerve stimulation map may be projected on a graphical depiction of a portion of a patient's heart. ... Medtronic Inc

02/18/16 / #20160045395

Automated filling systems and methods

Various embodiments of the present invention are directed to transferring fluidic media from a vial to a reservoir. In various embodiments, fluidic media may be transferred from the vial to the reservoir by moving a housing portion to move a plunger head located in the reservoir to draw fluidic media from the vial to the reservoir. ... Medtronic Inc

02/18/16 / #20160045267

Method and apparatus for providing a container to a sterile environment

A method and apparatus for providing an unsterilized item to a sterile field is disclosed. The item can include a human input device. ... Medtronic Inc

02/18/16 / #20160045250

Multipurpose electrosurgical device

A multipurpose electrosurgical device and methods of use are disclosed. In one example, device includes a handpiece and an end effector having a monopolar electrode and a pair of bipolar electrodes. ... Medtronic Inc

02/18/16 / #20160045169

Injectable physiological monitoring system

An injectable device for use in a subcutaneous physiological monitoring of a patient includes a body, a plurality of sensors, and a monitoring unit. The plurality of sensors provide an indication of at least one physiological event of a patient, wherein the plurality of sensors includes two or more electrodes in contact with tissue of the patient. ... Medtronic Inc

02/11/16 / #20160038769

Neuromodulation and associated systems and methods for the management of pain

Methods for treating and managing pain in a patient with therapeutic neuromodulation and associated systems and methods are disclosed herein. Chronic or debilitating pain can be associated, for example, with a disease or condition of the abdominal or reproductive viscera. ... Medtronic Inc

02/11/16 / #20160038744

Automatic selection of parameters of an exposure mode of an implantable medical device

An implantable medical device (imd) automatically determines at least a portion of the parameters and, in some instances all of the parameters, of an exposure operating mode based on stored information regarding sensed physiological events or therapy provided over a predetermined period of time. The imd may configure itself to operate in accordance with the automatically determined parameters of the exposure operating mode in response to detecting a disruptive energy field. ... Medtronic Inc

02/11/16 / #20160038735

Novel features for routing conductors in medical electrical lead electrode assemblies

An insulative body of a medical electrical lead electrode assembly includes a pre-formed channel having a section extending at an angle to a longitudinal axis of the body. An electrode portion of a conductive component has an electrode contact surface facing outward from a first side of the body and a coupling portion embedded in the body. ... Medtronic Inc

02/11/16 / #20160038733

Mechanical feedthroughs for implantable medical device

An implantable medical device assembly comprises a sealed housing; a motor including a rotating output shaft within the sealed housing; a first coaxial shaft within the sealed housing, the first coaxial shaft being mechanically coupled to the rotating output shaft such that rotation of the rotating output shaft drives rotation of the first coaxial shaft; a second coaxial shaft external to the sealed housing, the second coaxial shaft being in axial alignment with the first coaxial shaft; an oscillating component mechanically coupling the first coaxial shaft to the second coaxial shaft, wherein rotation of the rotating first coaxial shaft drives the oscillation of the oscillating component, wherein the oscillation of the oscillating component drives rotation of the second coaxial shaft; and a flexible seal including the oscillating component. The sealed housing and the flexible seal combine to form a substantially sealed enclosure encasing the motor and the first coaxial shaft.. ... Medtronic Inc

02/11/16 / #20160038691

Infusion medium delivery device and method with drive device for driving plunger in reservoir

A delivery device includes first and second housing portions that selectively engage and disengage. A reservoir on one housing portion operatively engages a drive device and/or a needle inserting device on the other housing portion. ... Medtronic Inc

02/11/16 / #20160038666

Hemodialysis system having a flow path with a controlled compliant volume

Systems and methods for the performance of kidney replacement therapy having or using a dialyzer, control components, sorbent cartridge and fluid reservoirs configured to be of a weight and size suitable to be worn or carried by an individual requiring treatment are disclosed. The system for performing kidney replacement therapy has a controlled compliance dialysis circuit, where a control pump controls the bi-directional movement of fluid across a dialysis membrane. ... Medtronic Inc

02/11/16 / #20160038323

Single handed deployment handle

The present invention is directed to an improved delivery system to deliver and deploy a prosthesis in a body lumen, and methods of use thereof. The improved delivery system allows for operation of the delivery system with one hand while maintaining accuracy in delivery and deployment of the prosthesis. ... Medtronic Inc

02/11/16 / #20160038279

Nasal valve treatment method & apparatus

A method and apparatus for treating a nasal valve condition including surgically forming an access path to create a pocket on a side of the patient's nose. The pocket is positioned between a soft tissue layer and opposing surfaces of upper and lower cartilages of the nose. ... Medtronic Inc

02/11/16 / #20160038219

Multipurpose electrosurgical device

An electrosurgical device and methods of use thereof. In an embodiment, the device comprises a multipurpose electrosurgical device comprising a handle, a shaft distal to the handle, a first, retractable electrode and a second non-retractable electrode, the electrodes adjacent a distal end of the shaft. ... Medtronic Inc

02/11/16 / #20160038212

Cryoablation apparatuses, systems, and methods for renal neuromodulation

Catheter apparatuses, systems, and methods for cryogenically modulating neural structures of the renal plexus by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft. ... Medtronic Inc

02/11/16 / #20160038171

Utilizing multiple links to achieve a desired tool deflection angle when clearing an epidural space

An epidural space is cleared of fat and scar tissue in preparation for implantation of a medical lead by utilizing a clearing tool. The clearing tool has multiple links that allow the creation of a deflection angle. ... Medtronic Inc

02/11/16 / #20160038093

Determining prospective risk of heart failure hospitalization

A method of operation of a medical device system for determining prospective heart failure hospitalization risk. The method includes measuring one or more data observations via one or more electrodes of an implanted medical device disposed in a patient's body. ... Medtronic Inc

02/11/16 / #20160038074

Wireless stimulation probe device for wireless nerve integrity monitoring systems

A stimulation probe device including a first electrode, a stimulation module, a control module and a physical layer module. The stimulation module is configured to (i) wirelessly receive a payload signal from a console interface module or a nerve integrity monitoring device, and (ii) supply a voltage or an amount of current to the first electrode to stimulate a nerve or a muscle in a patient. ... Medtronic Inc

02/11/16 / #20160038073

Wireless sensors for nerve integrity monitoring systems

A sensor including electrodes, a control module and a physical layer module. The electrodes are configured to (i) attach to a patient, and (ii) receive a first electromyographic signal from the patient. ... Medtronic Inc

02/11/16 / #20160038072

Wireless nerve integrity monitoring systems and devices

A nerve integrity monitoring device includes a control module and a physical layer module. The control module is configured to generate a payload request. ... Medtronic Inc

02/04/16 / #20160032268

Urease purification from jack beans or other organisms

A method for the extraction and purification of urease from jack beans or other natural sources of urease. The method provides an efficient way to obtain purified urease from natural sources. ... Medtronic Inc

02/04/16 / #20160030751

Systems and methods for evaluating cardiac therapy

Systems and methods are described herein for assisting a user in evaluation of cardiac therapy. The systems and methods may monitor electrical activity of a patient using external electrode apparatus to provide baseline cardiac information and therapy cardiac information and determine whether the cardiac pacing, or therapy, location is acceptable. ... Medtronic Inc

02/04/16 / #20160030741

Incontinence therapy

Techniques for managing urinary or fecal incontinence include delivering a first type of therapy to generate a first physiological response and, upon detecting a trigger event, delivering a second type of therapy to generate a second physiological response. The first type of therapy can be delivered on a substantially regular basis, while the second type of therapy is delivered as needed to provide an additional boost of therapy. ... Medtronic Inc

02/04/16 / #20160030736

Methods and apparatus for bilateral renal neuromodulation

Methods and apparatus are provided for bilateral renal neuromodulation, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

02/04/16 / #20160030644

Welded stent with radiopaque material localized at the welds and methods

A stent that includes a stent body and one or more weld joints, wherein the weld joints include a radiopaque material, and a method of making a stent that includes using a radiopaque filler material in a welding process.. . ... Medtronic Inc

01/28/16 / #20160028181

Down the bore with open windows and manufacturing thereof

An implantable medical device connector assembly and method of manufacture include a molded, insulative shell having an inner surface forming a connector bore, a circuit member including one or more traces extending through apertures in the connector shell. One or more conductive members, positioned along the connector bore, are electrically coupled to the traces. ... Medtronic Inc

01/28/16 / #20160023022

Ultrasound apparatuses for thermally-induced renal neuromodulation and associated systems and methods

Methods and apparatus are provided for thermally-induced renal neuromodulation. Thermally-induced renal neuromodulation may be achieved via direct and/or via indirect application of thermal energy to heat or cool neural fibers that contribute to renal function, or of vascular structures that feed or perfuse the neural fibers. ... Medtronic Inc

01/28/16 / #20160023013

Method and apparatus for accurate separation of supraventricular tachycardia from ventricular tachycardia during posture changes

An implantable medical device system includes an implantable cardioverter defibrillator (icd) for detecting and treating ventricular tachycardia (vt). The icd includes a sensing module for sensing a cardiac signal from selected cardiac signal sensing vectors. ... Medtronic Inc

01/28/16 / #20160023012

Suture loop with cover and strategic placement of suture points

An implantable medical device housing has an outer surface and an inner surface that defines an interior cavity. A wire is coupled to the housing outer surface. ... Medtronic Inc

01/28/16 / #20160023002

Magnetic field detectors, implantable medical devices, and related methods that utilize a suspended proof mass and magnetically sensitive material

Magnetic field detectors include a proof mass suspended by deformable arms similar to a three dimensional accelerometer. The magnetic field detectors further include magnetically sensitive material present on the proof mass and/or deformable arms to cause movement of the proof mass and/or deformable arms when in the presence of a magnetic field. ... Medtronic Inc

01/28/16 / #20160023001

Patient specific data driven safety interlocks for medical devices

A medical device is provided that includes an input/output, at least one sensor, a memory, a controller and at least one delivery member. The input/output is configured to provide a communication path to and from the medical device. ... Medtronic Inc

01/28/16 / #20160023000

Atrial contraction detection by a ventricular leadless pacing device for atrio-synchronous ventricular pacing

A leadless pacing device (lpd) includes a motion sensor configured to generate a motion signal as a function of heart movement. The lpd is configured to analyze the motion signal within an atrial contraction detection window that begins an atrial contraction detection delay period after activation of the ventricle, and detect a contraction of an atrium of the heart based on the analysis of the motion signal within the atrial contraction detection window. ... Medtronic Inc

01/28/16 / #20160022999

Method and apparatus for detecting and discriminating tachycardia in a subcutaneously implantable cardiac device

A medical device and associated method for discriminating cardiac events includes sensing a cardiac signal spatially located across approximately a full duration of a predetermined sensing window. A match score is determined corresponding to the sensed cardiac signal. ... Medtronic Inc

01/28/16 / #20160022984

Methods of shielding implantable medical leads and implantable medical lead extensions

Shielded sheaths are placed over implantable medical leads and/or implantable medical lead extensions to provide shielding from electromagnetic energy and to prevent heating at the electrodes. The shielded sheaths include insulative bodies with shield layers such as conductive braided wire or conductive foil tubular structures. ... Medtronic Inc

01/28/16 / #20160022983

Methods of shielding implantable medical leads and implantable medical lead extensions

A shield layer is added to an existing lead or lead extension by applying the shield layer to the lead body between the proximal contact and distal electrode of the lead body. The shield layer may be covered with an outer insulative layer. ... Medtronic Inc

01/28/16 / #20160022704

Fluocinolone formulations in a biodegradable polymer carrier

Effective treatments of pain and inflammation are provided. Through the administration of an effective amount of fluocinolone at or near a target site, one can reduce, prevent or treat inflammation and pain and autoimmune disorders. ... Medtronic Inc

01/28/16 / #20160022455

Stent delivery system having dynamic deployment and methods of manufacturing same

A stent delivery system for dynamic deployment of a stent loaded thereon and a method of manufacturing the system. The stent delivery system includes a balloon catheter with a balloon in a spirally twisted delivery configuration on which a stent is crimped or otherwise loaded. ... Medtronic Inc

01/28/16 / #20160022301

Surgical instrument with distal bearing assembly

A surgical cutting instrument comprises an outer tubular member having a proximal section, an intermediate section and a central lumen. An inner tubular member is rotatably received within the central lumen and includes a distal end forming a cutting member extending distally beyond, and exposed relative to, the distal section of the outer tubular member. ... Medtronic Inc

01/28/16 / #20160022166

Rhythm discriminator with immunity to body posture

An implantable medical device system includes an implantable cardioverter defibrillator (icd) for detecting and treating ventricular tachycardia (vt). The icd includes a sensing module for sensing a cardiac signal from available cardiac signal sensing vectors. ... Medtronic Inc

01/21/16 / #20160015985

Multi-chamber intracardiac pacing system

A medical device system including at least a first implantable medical device and a second implantable medical device is configured to establish by a control module of the first implantable medical device whether the second implantable medical device is present in a patient and self-configure an operating mode of the control module in response to establishing that the second implantable medical device is present.. . ... Medtronic Inc

01/21/16 / #20160015984

Multi-chamber intracardiac pacing system

The control module of a first pacemaker included in an implantable medical device system including the first pacemaker and a second pacemaker is configured to set a pacing escape interval in response to a far field pacing pulse sensed by the first pacemaker. The far field pacing pulse is a pacing pulse delivered by the second pacemaker. ... Medtronic Inc

01/21/16 / #20160015983

Interventional medical systems, tools, and methods of use

Delivery tools of interventional medical systems facilitate deployment of relatively compact implantable medical devices that include sensing extensions, for example, right ventricular cardiac pacing devices that include a sensing extension for atrial sensing. An entirety of such a device is contained within a delivery tool while a distal-most portion of the tool is navigated to a target implant site; the tool is configured to expose, out from a distal opening thereof, a distal portion of the device for initial deployment, after which sensing, via a sense electrode of the aforementioned sensing extension of the device, can be evaluated without withdrawing the tool from over the remainder of the device that includes the sensing extension.. ... Medtronic Inc

01/21/16 / #20160015968

Interventional medical systems, tools, and methods of use

Delivery tools of interventional medical systems facilitate deployment of relatively compact implantable medical devices that include extensions, for example, cardiac pacing devices that include an extension for atrial sensing, wherein an entirety of the device is contained within the delivery tool while a distal-most portion of the tool is navigated to a target implant site. Once at the implant site, a device fixation member may be exposed out from a distal opening of the tool, for initial deployment, while the extension remains contained within the delivery tool. ... Medtronic Inc

01/21/16 / #20160015957

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015956

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015911

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015892

Fluid delivery devices, systems and methods

Fluid delivery devices, systems and methods. The fluid delivery devices may be used to delivery fluid (e.g., insulin) to a user. ... Medtronic Inc

01/21/16 / #20160015888

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015887

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015886

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015885

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

01/21/16 / #20160015444

Cardiac cryolipolysis for the treatment of cardiac arrhythmia

A system, device, and method for the treatment of cardiac arrhythmia by, specifically, cryolipolysis of non-myocardial tissue and cryoablation of myocardial tissue. A system for treating cardiac arrhythmia may include a first thermal treatment device configured for placement within a heart in contact with myocardial tissue, a second thermal treatment device configured for placement in contact with pericardial tissue, an ablation energy source in communication with the first thermal treatment device, and a cooling energy source in communication with the second thermal treatment device, the cooling energy source causing the second thermal treatment device to reach a temperature insufficient for myocardial ablation when the second thermal treatment device is activated. ... Medtronic Inc

01/21/16 / #20160015322

Leadless pacing system including sensing extension

A leadless pacing system includes a leadless pacing device and a sensing extension extending from a housing of the leadless pacing device. The sensing extension includes one or more electrodes with which the leadless pacing device may sense electrical cardiac activity. ... Medtronic Inc

01/21/16 / #20160015287

Leadless pacing system including sensing extension

A leadless pacing system includes a leadless pacing device and a sensing extension extending from a housing of the leadless pacing device. The sensing extension includes one or more electrodes with which the leadless pacing device may sense electrical cardiac activity. ... Medtronic Inc

01/14/16 / #20160008606

Medical devices including metallic connector enclosures

Medical devices provide metallic connector enclosures. The metallic connector enclosures may be constructed with relatively thin walls in comparison to polymer connector enclosures to aid in miniaturizing the medical device. ... Medtronic Inc

01/14/16 / #20160008049

Cryoablation method and system

A system and method for providing greater control over the temperature of a thermal treatment element of a medical device, enabling an operator to extend a thawing period of a cryoablation procedure. The system may include a fluid flow path that bypasses a subcooler, giving the operator selective control over the temperature of refrigerant delivered to the treatment element and, therefore, treatment element temperature. ... Medtronic Inc

01/14/16 / #20160007996

Method for attaching a prosthesis to soft tissue

A method of attaching a prosthesis to soft tissue is provided and includes providing a handheld fastener applier having a drive mechanism; and a fastener disposed at a distal end of the applier. The fastener includes a continuous helical coil, wherein the helical coil is constructed from a first material; and a cap secured to a proximal end of the helical coil, wherein the cap is constructed from a second material, and wherein the cap is non-rotatably and selectively connected to the drive mechanism. ... Medtronic Inc

01/14/16 / #20160007991

Fastener applier

Apparatus and methods utilize an intraluminal fastener applier having a guide body with a longitudinal axis. The guide body is sized and configured for intraluminal deployment in a hollow body organ. ... Medtronic Inc

01/14/16 / #20160007610

Antimicrobial wash

A method for detaching, removing or otherwise disrupting bacteria or biofilm by applying with pressure an antimicrobial wash. The antimicrobial wash contains a biguanide compound or mixtures thereof.. ... Medtronic Inc

01/07/16 / #20160001068

Fixation for implantable medical devices

A tine portion of an implantable medical device includes a hook segment and a distal segment extending therefrom, wherein the hook segment is pre-set to extend along a curvature and is elastically deformable therefrom to an open position. The distal segment includes a tooth and an end that surrounds the tooth, wherein the end includes a pair of legs and a distal arch. ... Medtronic Inc

01/07/16 / #20160001063

Delivery catheter apparatus and methods

A catheter has a shaft that defines a delivery lumen, for example, to deliver an elongate medical device therethrough; a proximal section of the catheter includes a seal zone portion, a handle portion and a proximal port portion. A relatively thin wall section of the proximal port portion extends between the seal zone portion and a proximal edge that defines part of a perimeter of a proximal opening of the delivery lumen. ... Medtronic Inc

01/07/16 / #20160001059

Capacitor electrolyte

A capacitor for an implantable medical device is presented. The capacitor includes an anode, a cathode, a separator therebetween, and an electrolyte over the anode, cathode, and separator. ... Medtronic Inc

01/07/16 / #20160000705

Compositions and methods for treating post-operative pain using clonidine and bupivacaine

Effective treatments of pain that accompanies post-operative surgeries are provided. Through the administration of an effective amount of a combination of bupivacaine and clonidine at or near a target site, one can alleviate or prevent pain. ... Medtronic Inc

01/07/16 / #20160000589

Stent system with abutable c-shaped body sections for use in a bifurcated body vessel

A bifurcation stent system includes a pair of self-expanding stents. Each stent has a c-shaped body section having a generally semicircular cross-section along its length and an o-shaped body section having a circular cross-section along its length. ... Medtronic Inc

01/07/16 / #20160000565

Annuloplasty ring holder

An annuloplasty ring holder including a head having an upper surface and an annuloplasty ring receiving surface facing opposite the upper surface. The annuloplasty ring holder also includes means for attaching an annuloplasty ring to the annuloplasty ring receiving surface. ... Medtronic Inc

01/07/16 / #20160000563

Telescoping catheter delivery system for left heart endocardial device placement

A transseptal catheter delivery system includes an elongate first tubular member and an elongate second tubular member receivable within the first tubular member. The first tubular member includes an adjustable portion adjacent a distal end. ... Medtronic Inc

01/07/16 / #20160000498

Balloon catheter apparatuses for renal denervation

Methods and apparatus are provided for non-continuous circumferential treatment of a body lumen. Apparatus may be positioned within a body lumen of a patient and may deliver energy at a first lengthwise and angular position to create a less-than-full circumferential treatment zone at the first position. ... Medtronic Inc

01/07/16 / #20160000497

Surgical devices and mechanisms

An instrument for use in a medical procedure that includes a proximal end, a distal end, a handle adjacent to the proximal end of the instrument, a flexible elongated neck extending distally from a distal end of the handle, a jaw power screw extending from a distal end of the neck, a pair of moveable jaws operatively connected to the jaw power screw, and a handle power screw assembly operatively connected to a proximal end of the flexible neck within the handle, wherein manipulation of the handle will control movement of the jaws. . ... Medtronic Inc

01/07/16 / #20160000350

Method and apparatus for verifying discriminating of tachycardia events in a medical device having dual sensing vectors

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, sensing a plurality of beats in response to the sensed cardiac signals, identifying each beat of the plurality of beats as one of a normal beat and a not normal beat, determining at least one of whether a number of beats identified as a normal beat is greater than a normal beat threshold, whether an rr interval associated with the beats identified as being a normal beat is less than a threshold interval, and whether rr intervals associated with the beats identified as being normal beats are within an rr interval range, and identifying the cardiac event as being one of shockable and not shockable in response to the determining.. . ... Medtronic Inc








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