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Medtronic Inc patents (2017 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


Delivery systems for implantable medical devices, and associated tethering assemblies and methods

A delivery system for an implantable medical device includes a tool and a tethering member extending side-by-side within an inner shaft thereof; the tool extends within a first lumen, being in sliding engagement therein, and includes a distal end coupling feature that protrudes from a distal end of the inner shaft; and the tethering member has a first segment extending within a second lumen, and a second segment extending from the first segment and distally from the distal end of the inner shaft to an end of the tethering member, which is configured to engage with a holding member of the device, and with which the coupling feature of the tool is configured to couple. A retainer may be joined to another end of the tethering member that protrudes from a proximal port of the system.. ... Medtronic Inc

System and method for implantable medical device lead shielding

An implantable medical device (imd) can include a cardiac pacemaker or an implantable cardioverter-defibrillator (icd). Various portions of the imd, such as a device body, a lead body, or a lead tip, can be provided to reduce or dissipate a current and heat induced by various external environmental factors. ... Medtronic Inc

Interactive placement of anatomical atlas structures in patient images

This disclosure describes systems, devices, and techniques for adjusting an anatomical atlas to patient anatomy. In one example, a system may include processing circuitry configured to generate, for display at a user interface, a representation of an anatomical region of a patient, generate, for display at the user interface, a representation of one or more atlas-defined anatomical structures at a first position over the representation of the anatomical region of the patient, receive a user annotation that defines an adjustment to at least one atlas-defined anatomical structure relative to the representation of the anatomical region of the patient, and adjust, based on the adjustment, the first position of the representation of the one or more atlas-defined anatomical structures to a second position of the representation of the one or more atlas-defined anatomical structures over the representation of the anatomical region of the patient.. ... Medtronic Inc

Medical devices and related event pattern treatment recommendation methods

Infusion devices and related patient management systems and methods are provided. An exemplary method of presenting information pertaining to operation of an infusion device to deliver fluid to a body of a patient involves identifying a plurality of event patterns within different monitoring periods based on measurement values for the patient's condition, prioritizing the identified event patterns based on one or more prioritization criteria, filtering the prioritized list of identified event patterns based on one or more filtering criteria, and then providing a respective pattern guidance display for each identified event pattern remaining in the filtered prioritized list. ... Medtronic Inc

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

Apparatus and methods facilitating the repositioning of implanted medical devices

Dislodging an anchor sleeve from an implanted device may be accomplished with a tool that includes a support portion and a sleeve dislodging element, wherein a collar of the support portion engages a distal end of the anchor sleeve while the dislodging element, positioned at a proximal end of the sleeve, is moved toward the collar to dislodge the anchor sleeve. The tool preferably includes a handle member held in sliding engagement with a base member, for example, by a snap-fit, wherein the support portion is part of the handle member, and a distal segment of the base member is terminated by the dislodging element. ... Medtronic Inc

External infusion device with remote programming, bolus estimator and/or vibration alarm capabilities

An infusion system for infusing a liquid into a body includes an external infusion device and a remote commander. The external infusion device includes a housing, a receiver, a processor and an indication device. ... Medtronic Inc

Adaptive system for blood fluid removal

Methods for monitoring patient parameters and blood fluid removal system parameters include identifying those system parameters that result in improved patient parameters or in worsened patient parameters. By comparing the patient's past responses to system parameters or changes in system parameters, a blood fluid removal system may be able to avoid future use of parameters that may harm the patient and may be able to learn which parameters are likely to be most effective in treating the patient in a blood fluid removal session.. ... Medtronic Inc

Coated endovascular prostheses for aneurism treatment

The present technology relates generally to endovascular prostheses. More particularly, the disclosure relates to endovascular prostheses having an outer surface of a graft material thereof associated with a hydrogel composition, which may swell upon implantation within a blood vessel, thereby mediating various complications associated with endovascular procedures. ... Medtronic Inc

Modular valve prosthesis, delivery system, and method of delivering and deploying a modular valve prosthesis

A modular valve prosthesis includes an inflow stent, a valve component including a valve stent and a prosthetic valve, and an outflow stent. In a radially compressed delivery configuration, an inflow end of the valve stent is separated from an outflow end of the inflow stent and an outflow end of the valve stent is separated from an inflow end of the outflow stent. ... Medtronic Inc

Endotracheal tube apparatus

An apparatus for monitoring emg signals of a patient's laryngeal muscles includes an endotracheal tube having an exterior surface. Conductive electrodes are formed on the endotracheal tube. ... Medtronic Inc

Using multiple diagnostic parameters for predicting heart failure events

Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A medical device monitors a primary diagnostic parameter that is indicative of worsening heart failure, such as intrathoracic impedance or pressure, and one or more secondary diagnostic parameters. ... Medtronic Inc

System and method for identifying and responding to p-wave oversensing in a cardiac system

A cardiac medical system, such as an implantable cardioverter defibrillator (icd) system, receives a cardiac electrical signal by and senses cardiac events when the signal crosses an r-wave sensing threshold. The system determines at least one sensed event parameter from the cardiac electrical signal for consecutive cardiac events sensed by the sensing circuit and compares the sensed event parameters to p-wave oversensing criteria. ... Medtronic Inc

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

12/14/17 / #20170354804

Percutaneous flat lead introducer

In general, the invention is directed to a technique for percutaneously introducing a stimulation lead into a target stimulation site via the epidural region proximate the spine of a patient. The process of introducing the stimulation lead may include the use of a hollow stimulation lead introducer, which comprises an elongated sheath and an elongated dilator. ... Medtronic Inc

12/14/17 / #20170354800

Guide extension catheter with grooved push member segment

A guide extension catheter includes a push member and a distal shaft. The push member includes a segment having a first surface and a second surface opposite the first surface. ... Medtronic Inc

12/14/17 / #20170354524

Multilayer balloons

In some examples, a medical device includes a balloon inflatable to an inflated configuration. The balloon includes an outer layer coextruded on an inner layer. ... Medtronic Inc

12/14/17 / #20170354521

Drug-eluting stent formed from a deformable hollow strut for a customizable elution rate

Methods and apparatus are disclosed for customizing an elution rate of a stent. The stent includes a hollow strut that forms the stent, the hollow strut defining a lumenal space, a drug formulation disposed within the lumenal space of the hollow strut, and at least one side port for eluting the drug formulation in vivo. ... Medtronic Inc

12/14/17 / #20170354520

Customizing the elution profile of a stent

Methods and apparatus are disclosed for customizing an elution profile of a stent after manufacture of the stent has been completed. The stent includes a plurality of side ports for eluting a drug formulation within a lumenal space of a hollow strut that forms the stent. ... Medtronic Inc

12/14/17 / #20170354498

Transcatheter valve delivery system with crimped prosthetic heart valve

Stented prosthetic heart valve crimping tools and methods, and transcatheter delivery systems for delivering a crimped prosthetic heart valve. Methods of the present disclosure include crimping or compressing a stented prosthetic heart valve via spherical compression to a spherically compressed shape, and then delivering the so-shaped prosthesis to a target site. ... Medtronic Inc

12/14/17 / #20170354461

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

Devices and systems 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

12/14/17 / #20170354449

Distal balloon impedance and temperature recording to monitor pulmonary vein ablation and occlusion

A cryoablation method, system, and device that allows for real-time and accurate assessment and monitoring of pv occlusion and lesion formation without the need for expensive imaging systems and without patient exposure to radiation. The system includes a cryoballoon catheter with a cryoballoon, a distal electrode, a proximal electrode, and a temperature sensor. ... Medtronic Inc

12/14/17 / #20170354431

Surgical instrument with internal irrigation

A surgical cutting instrument comprises an outer tubular member and an inner tubular member. The outer tubular member includes a proximal section, an intermediate section, a distal section, and a side wall. ... Medtronic Inc

12/14/17 / #20170354365

Multi-parameter prediction of acute cardiac episodes and attacks

In some examples, processing circuitry of a medical device system determines, for each of a plurality of patient parameters, a difference metric for a current period based on a value of a patient parameter determined for the current period and a value of the patient parameter determined for an immediately preceding period, and determines a score for the current period based on a sum of the difference metrics for at least some of the plurality of patient parameters. The processing circuitry determines a threshold for the current period based on scores determined for n periods that precede the current period, compares the score for the current period to the threshold, and determines whether to generate an alert indicating that an acute cardiac event of the patient, e.g., ventricular tachyarrhythmia, is predicted, and/or deliver a therapy configured to prevent the acute cardiac event, based on the comparison.. ... Medtronic Inc

12/07/17 / #20170351851

Fingerprint enhanced authentication for medical devices in wireless networks

An infusion system to administer fluid is disclosed. The infusion system includes an infusion pump having a pump processor, a pump memory and a pump radio to enable bi-directional communication. ... Medtronic Inc

12/07/17 / #20170348537

Automated verification of mri compatibility of active implantable medical device

A system may include a processor configured to automatically obtain magnetic resonance imaging compatibility information relating to compatibility of an active implantable medical device implantable in a patient with an mri modality from at least two information sources. The processor may also be configured to automatically determine compatibility of the active implantable medical device with the magnetic resonance imaging modality based on the magnetic resonance imaging compatibility information.. ... Medtronic Inc

12/07/17 / #20170348101

Transcatheter prosthetic heart valve delivery system with protective feature

Delivery devices for a stented prosthetic heart valve. The delivery device includes a spindle, at least one cord, and a covering feature associated with the spindle for selectively covering at least a portion of a stented prosthetic heart valve tethered to the spindle in a delivery state. ... Medtronic Inc

12/07/17 / #20170348099

Transcatheter prosthetic heart valve delivery system with lateral offset control

Delivery devices for a stented prosthetic heart valve. The delivery device includes a spindle, at least one cord, and a lateral control feature. ... Medtronic Inc

12/07/17 / #20170348096

Transcatheter valve delivery system with septum hole closure tip assembly

Transcatheter heart valve delivery systems having a tip assembly configured to close the hole or perforation made in a patient's septal wall after transseptal delivery of a stented prosthetic heart valve to a defective heart valve (e.g., a mitral valve). The delivery device is configured to permit in vivo release of the tip assembly immediately after deployment of the stented prosthetic heart valve to implant the tip assembly into the septal wall proximate the hole through which the stented prosthetic heart valve is delivered. ... Medtronic Inc

12/07/17 / #20170348050

Methods and apparatus for monopolar renal neuromodulation

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

12/07/17 / #20170347958

Endotracheal tube apparatus

An apparatus for monitoring emg signals of a patient's laryngeal muscles includes an endotracheal tube having an exterior surface. Conductive electrodes are formed on the endotracheal tube. ... Medtronic Inc

12/07/17 / #20170347954

Methods for assessing efficacy of renal neuromodulation and associated systems and devices

Provided herein are methods, devices and compositions for assessing neuromodulation efficacy based on changes in the level of one or more biomarkers in plasma or urine collected from a human subject following a renal neuromodulation procedure.. . ... Medtronic Inc

12/07/17 / #20170347933

Polycarbonate urea/urethane polymers for use with analyte sensors

Embodiments of the invention provide compositions useful in analyte sensors as well as methods for making and using such compositions and sensors. In typical embodiments of the invention, the sensor is a glucose sensor comprising an analyte modulating membrane formed from a polymer composition having carbonate and aromatic isocyanate chains, a composition observed to provide such membranes with improved material properties such as enhanced thermal and hydrolytic stability.. ... Medtronic Inc

11/30/17 / #20170340885

Systems and methods for leadless cardiac resynchrinization therapy

Techniques and systems for monitoring cardiac arrhythmias and delivering electrical stimulation therapy using a subcutaneous device (e.g. Subcutaneous implantable (sd)) and a leadless pacing device (lpd) are described. ... Medtronic Inc

11/30/17 / #20170340878

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

11/30/17 / #20170340819

Monitoring the operating health of a force sensor in a fluid infusion device

A device for delivering fluid to a user includes a housing, a drive motor assembly in the housing, a force sensor, and an electronics module. The drive motor assembly regulates delivery of fluid by actuating a piston of a fluid reservoir, and the force sensor generates output levels in response to force imparted thereto during, for example, fluid delivery operations. ... Medtronic Inc

11/30/17 / #20170340818

Systems for set connector assembly with lock

A fluid infusion device is provided. The fluid infusion device includes a housing that includes a lock and a set connector assembly removably coupled to the housing to define a fluid flow path from the fluid infusion device. ... Medtronic Inc

11/30/17 / #20170340817

Systems for set connector assembly with lock

A set connector assembly for a fluid infusion device is provided. The set connector assembly includes a connector having a body. ... Medtronic Inc

11/30/17 / #20170340816

Systems for set connector assembly with lock

A set connector assembly for a fluid infusion device is provided. The set connector assembly includes a connector having a body. ... Medtronic Inc

11/30/17 / #20170340814

Implantable medical pump with pressure sensor

The disclosure is directed to a pressure sensor of an implantable medical device. The pressure sensor may utilize detect fluid pressure based on a changing capacitance between two capacitive elements. ... Medtronic Inc

11/30/17 / #20170340811

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

11/30/17 / #20170340383

Electrosurgical balloons

An electrosurgical balloon includes an inflatable balloon body formed of a non-conductive substrate material. One or more electrodes are disposed on an exterior surface of the balloon body. ... Medtronic Inc

11/30/17 / #20170340316

Interventional medical device retrieval

A system for retrieving an implanted medical device includes an outer tubular member and a contractible super-elastic net, which may be joined to an elongate shaft that extends in sliding engagement within the outer tubular member. When the net expands from a contracted condition the net defines a longitudinally extending tubular cavity. ... Medtronic Inc

11/30/17 / #20170340240

Navigation field distortion detection

Disclosed is a method and system for navigating an instrument relative to a patient that can be near a field distorting feature. A localizer can generate an electromagnetic field that is sensed by a tracking device to determine a location of the tracking device with the sensed electromagnetic field. ... Medtronic Inc

11/23/17 / #20170333720

Alternative electrode configurations for reduced power consumption

The disclosure describes devices and systems for determining alternative electrode combinations and power consumption for these alternative electrode combinations. In one example, a method includes identifying a set of one or more electrodes configured to deliver electrical stimulation therapy via a lead, determining, based on the set of one or more electrodes, one or more alternative electrode combinations for delivering electrical stimulation therapy, calculating, for each of the one or more alternative electrode combinations, a respective field similarity score with respect to the set of one or more electrodes, and outputting a representation of at least one of the one or more alternative electrode combinations for selection in at least partially defining electrical stimulation therapy, the representation comprising an indication of at least one of the respective power consumption values or the respective field similarity scores.. ... Medtronic Inc

11/23/17 / #20170333698

Introduction of medical lead into patient

Introducers for implanting a lead having a fixation element distal to an electrode include a window, electrode, or conductive member alignable with the electrode of the lead while maintaining the fixation element in a retracted configuration. The window, electrode or conductive member of the introducer provide a mechanism for applying test stimulation signals to determine whether the lead is properly positioned in a patient without deploying the fixation element.. ... Medtronic Inc

11/23/17 / #20170333629

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

11/23/17 / #20170333621

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

11/23/17 / #20170333620

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

11/23/17 / #20170333236

Prosthesis with guide lumen

Tubular prosthesis for deployment in a human body passageway comprises a tubular member adapted for placement in a passageway in a human body and a tube. The tubular member has a tubular wall, first and second end openings, and a side opening formed in the tubular wall between the first and second end openings. ... Medtronic Inc

11/23/17 / #20170333228

Tool and method for compressing a stented prosthesis

A tool for compressing a stented prosthesis. The tool includes first and second sets of rollers. ... Medtronic Inc

11/23/17 / #20170333184

Method and apparatus for cardiac valve replacement

A method of placing a valve in a tubular organ including the steps of delivering an expandable tubular adapter to a site within the tubular organ, wherein the adapter includes an enclosed volume surrounded by an outer wall that is spaced from an inner wall, and first and second end walls. The method further includes expanding the outer wall relative to the inner wall so that the outer wall contacts the tubular organ, and placing a valve within the inner wall of the adapter. ... Medtronic Inc

11/23/17 / #20170333126

Ovarian neuromodulation and associated systems and methods

Methods for treating polycystic ovary syndrome with therapeutic ovarian neuromodulation and associated systems and methods are disclosed herein. Polycystic ovary syndrome can be associated, for example, with a condition including at least one of oligo/amenorrhea, infertility, hirsutism, obesity, metabolic syndrome, insulin resistance, and increased cardiovascular risk profile. ... Medtronic Inc

11/23/17 / #20170332924

Neurological screening connector

A medical lead screening connector includes a housing, a plurality of electrical contacts disposed within the housing, where each lead receptor channel includes at least two lead receptor contacts, and a cover hingedly attached to the housing. The cover includes a protrusion that is arranged and configured to register with one of the lead receptor channels and contacts a lead body received in the lead receptor channel when the cover is in a closed position.. ... Medtronic Inc

11/16/17 / #20170331099

Power terminal for implantable devices

A battery terminal for an implantable battery is described. The battery terminal includes a foil stack, first and second side elements, and a weld joint coupling the foil stack and the side elements. ... Medtronic Inc

11/16/17 / #20170328861

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

11/16/17 / #20170326374

Implantable medical devices and systems having inductive telemetry and recharge on a single coil

Implantable devices and related systems utilize a single coil for both inductive telemetry at one telemetry signal frequency and recharge at another recharge energy frequency. The coil is included in a tank circuit that may have a variable reactance. ... Medtronic Inc

11/16/17 / #20170326368

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

11/16/17 / #20170326363

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

11/16/17 / #20170326296

Predicted time to assess and/or control a glycemic state

Presented here are techniques for controlling glucose levels of a patient based on predicted time to a target glucose level. One methodology predicts a trajectory of the blood glucose level based on past observations of the blood glucose level, determines a cost expression based on the trajectory, and affects a future command to an infusion pump to affect a cost value according to the cost expression. ... Medtronic Inc

11/16/17 / #20170325946

Stented prosthetic heart valve with variable stiffness and methods of use

A prosthetic heart valve including a stent frame and a valve structure. The valve structure is disposed within a lumen of the stent frame. ... Medtronic Inc

11/16/17 / #20170325736

Closed-loop glucose and/or insulin control system

Disclosed are a method and/or system for determining a suggested change in a recommended therapy for a patient based, at least in part, on sensor measurements, and generating an alert to an attendant in a hospital environment upon detection of the suggested change. In another embodiment, a method and/or system is directed to automatically determining a maximum interval to alert an attendant following receipt of a measurement at an operator interface. ... Medtronic Inc

11/16/17 / #20170325733

Systems and methods for assessing sympathetic nervous system tone for neuromodulation therapy

Systems and methods for assessing sympathetic nervous system (sns) tone for renal neuromodulation therapy are disclosed herein. A system configured in accordance with embodiments of the present technology can include, for example, a detector attached to or implanted in a patient and a receiver communicatively coupled to the detector. ... Medtronic Inc

11/16/17 / #20170325723

Sensor set

A sensor set is provided for sensing of a body characteristic, such as glucose. The sensor set includes a mounting base for the sensor including a shim adapted to prevent pull up of the sensor and a connector to connect to the mounting base and has an improved structure for connecting the mounting base to the connector. ... Medtronic Inc

11/09/17 / #20170319863

Implantable medical device system having implantable cardioverter-defibrillator (icd) system and substernal leadless pacing device

Implantable cardiac systems and methods for providing substernal pacing in an icd system are described. In one example, an implantable cardiac system comprises an icd system and an implantable leadless pacing device (lpd) communicatively coupled to the icd system. ... Medtronic Inc

11/09/17 / #20170319860

Human-implantable-neurostimulator user interface having multiple levels of abstraction

A programming-device user interface may include multiple levels of abstraction for programming treatment settings. A stimulation zone-programming interface may be at a highest level of abstraction and may include idealized stimulation zones. ... Medtronic Inc

11/09/17 / #20170319857

Methods, implantable medical devices, and systems to continue implementing a special mode of operation after experiencing a device reset

An implantable medical device implements a special mode of operation, such as a mode of electrical stimulation therapy, during conditions where there may be an increased likelihood that a device reset will occur. The implantable medical device recovers from the device reset by copying values that specify the special mode and that are stored in a non-volatile memory to an operating memory. ... Medtronic Inc

11/09/17 / #20170319853

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

11/09/17 / #20170319849

Selective termination of stimulation to deliver post-stimulation therapeutic effect

In some examples, electrical stimulation is delivered to a patient such that selective termination of the stimulation causes a therapeutic effect in the patient after termination of the electrical stimulation to the patient. The electrical stimulation may be insufficient to produce a desired therapeutic effect in the patient during stimulation, but sufficient to induce a post-stimulation desired therapeutic effect following termination of the stimulation. ... Medtronic Inc

11/09/17 / #20170319766

Customized dialysate solution using spikes

Systems and methods of generating a customized dialysate solution are provided. The system and methods use stock concentrates, with the addition of spikes to generate a customized dialysate solution based on the needs of the patient.. ... Medtronic Inc

11/09/17 / #20170319342

Heart valve delivery catheter with safety button

Valve delivery catheter assemblies including components that limit trauma to the expanded prosthetic valve and body channels as the distal tip of the catheter is withdrawn through the expanded valve and thereafter from the body. Catheter assemblies according to the present invention can include a handle assembly, an introducer sheath, and a distal tip assembly. ... Medtronic Inc

11/09/17 / #20170319340

Prosthetic mitral valve and delivery method

A valve prosthesis and methods for implanting the prosthesis are provided. The prosthesis generally includes a self-expanding frame and two or more engagement arms. ... Medtronic Inc

11/09/17 / #20170319334

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

11/09/17 / #20170319273

Apparatus, systems, and methods for achieving intravascular, thermally-induced renal neuromodulation

Apparatus, systems, and methods for achieving thermally-induced 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 treatment device comprising an elongated shaft. ... Medtronic Inc

11/09/17 / #20170319272

Apparatus, systems, and methods for achieving intravascular, thermally-induced renal neuromodulation

Apparatus, systems, and methods for achieving thermally-induced 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 treatment device comprising an elongated shaft. ... Medtronic Inc

11/09/17 / #20170319271

Apparatus, systems, and methods for achieving intravascular, thermally-induced renal neuromodulation

Apparatus, systems, and methods for achieving thermally-induced 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 treatment device comprising an elongated shaft. ... Medtronic Inc

11/09/17 / #20170319109

Generation of sleep quality information based on posture state data

This disclosure describes techniques for generation of sleep quality information based on posture state data. The techniques may include obtaining posture state data sensed by a medical device for a patient, generating sleep quality information based on lying posture state changes indicated by the posture state data, and presenting the sleep quality information to a user via a user interface.. ... Medtronic Inc

10/26/17 / #20170304629

Brain stimulation response profiling

Various embodiments concern delivering electrical stimulation to the brain at a plurality of different levels of a stimulation parameter and sensing a bioelectrical response of the brain to delivery of the electrical stimulation for each of the plurality of different levels of the stimulation parameter. A suppression window of the stimulation parameter can be identified as having a suppression threshold as a lower boundary and an after-discharge threshold as an upper boundary based on the sensed bioelectrical responses. ... Medtronic Inc

10/26/17 / #20170304617

Stimulation probe for robotic and laparoscopic surgery

A stimulation probe includes a proximal end connector and a flexible wire coupled to the end connector. A handle is coupled to the wire and a needle extends from the handle and terminates at a conductive tip.. ... Medtronic Inc

10/26/17 / #20170304607

Methods and devices for inhibiting tissue growth from restricting a strain relief loop of an implantable medical lead

The function of a strain relief loop of an implantable medical lead is preserved by inhibiting restriction of the strain relief loop from tissue growth onto the strain relief loop. The restriction may be inhibited by either obstructing tissue growth and/or by utilizing a mechanical advantage to overcome the restriction. ... Medtronic Inc

10/26/17 / #20170304595

Balloon catheter including a drug delivery sheath

A balloon catheter includes an elongated catheter shaft, an expandable balloon connected to the elongated catheter shaft, and a sheath that defines a lumen and includes a therapeutic agent disposed within the lumen. The balloon catheter further includes a first configuration and a second configuration. ... Medtronic Inc

10/26/17 / #20170304534

Therapy system including multiple posture sensors

Posture-responsive therapy is delivered by the medical system based on posture state input from only one of multiple posture sensors at any given time. An example implantable medical system includes a first posture sensor and a second sensor. ... Medtronic Inc

10/26/17 / #20170304516

Dialysate potassium control during a dialysis session

The present invention relates to devices, systems, and methods for controlling the concentration of potassium in dialysate in a closed loop potassium control system. The devices, systems, and methods can be compatible with any dialysis system including sorbent-based dialysis systems, single pass dialysis systems, or other multi-pass dialysis systems. ... Medtronic Inc

10/26/17 / #20170304487

Artificial scab for use in an airway

Body tissue and structures in an airway may be treated with an artificial scab comprising an inhomogeneous, uncohesive, solid sheet-like body comprising a granular mixture of chitosan and polysaccharide particles. The artificial scab breaks apart into smaller pieces if peeled away from the surgical site or wound, thus reducing the risk of airway occlusion.. ... Medtronic Inc

10/26/17 / #20170304097

Stent-graft delivery system having an inner shaft component with a loading pad or covering on a distal segment thereof for stent retention

A catheter for delivering a self-expanding stent-graft prosthesis includes an inner shaft component having a distal segment over which the stent-graft prosthesis is loaded in a compressed delivery configuration. The distal segment has a covering that is intimately disposed thereover. ... Medtronic Inc

10/26/17 / #20170304077

Delivery device for graft material

A method of delivering graft material to a surgical site includes positioning graft material in a tube of a delivery device. The tube defines an open end and a bend along its length. ... Medtronic Inc

10/26/17 / #20170304041

Dissection prosthesis system and method

A dissection prosthesis system for implantation within a blood vessel includes a first prosthesis and a second prosthesis. The first prosthesis includes a first stent ring, a second stent ring, a first graft material band coupling the first stent ring to the second stent ring, a third stent ring, and a second graft material band coupling the second stent ring to the third stent ring. ... Medtronic Inc

10/26/17 / #20170303922

Systems and methods for attaching a prosthesis within a body lumen or hollow organ

Systems and methods introduce and prosthesis into a blood vessel or hollow body organ by intra-vascular access. The prosthesis is secured in place by fasteners which are implanted by an applier that is also deployed by intra-vascular access. ... Medtronic Inc

10/26/17 / #20170303840

Noninvasive assessment of cardiac resynchronization therapy

Systems, methods, and interfaces are described herein for noninvasively determining an optimal coronary sinus branch to cannulate for a medical electrical lead. One exemplary method involves applying an electrode apparatus having a plurality of electrodes to a torso of a patient. ... Medtronic Inc

10/12/17 / #20170291025

Method and tools for clearing the epidural space in preparation for medical lead implantation

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 a flexible body that allows the clearing tool to deflect when entering the epidural space through a window in the vertebral bone and ligaments. ... Medtronic Inc

10/12/17 / #20170290978

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

10/12/17 / #20170290662

Trans-aortic delivery system with containment capsule centering device

Heart valve delivery systems and methods of delivering and implanting heart valves using delivery catheters are disclosed. The delivery systems can include a handle assembly which can include a first control mechanism, a second control mechanism, and a decoupling mechanism. ... Medtronic Inc

10/12/17 / #20170290654

Gutter filling stent-graft and method

A primary stent-graft is deployed into a primary vessel to exclude an aneurysm. To maintain perfusion to a branch vessel covered by the primary stent-graft, a gutter filling stent-graft is deployed in parallel to the primary stent-graft. ... Medtronic Inc

10/12/17 / #20170290635

Wire management featured integrated into petg tray for em trackable disposable products

A packaging assembly for an electromagnetic trackable surgical tool and wiring thereof. The packaging assembly includes a first tray with at least one first retention member configured to couple the surgical tool to the first tray. ... Medtronic Inc

10/12/17 / #20170290618

Method of using time to effect (tte) to estimate the optimum cryodose to apply to a pulmonary vein

A system and method for determining the optimum dose of cryotreatment to an area of target tissue to achieve isolation based on the time to effect (tte). The system may generally include a treatment device, a sensing device, and a processor programmed to calculate the optimum dose of cryotreatment, in seconds, based on tte. ... Medtronic Inc

10/12/17 / #20170290546

Analyte sensor

A simple, disposable sensing device for sensing an analyte is housed in a single case. The sensing device can transmit sensor data to monitoring device(s). ... Medtronic Inc

10/12/17 / #20170290535

Analyte sensor with indicators

A simple sensing device includes a case with one or more indicators to indicate levels of an analyte such as glucose. The sensing device for self-monitoring an analyte includes a single, flexible case adapted to adhere to a skin of a patient. ... Medtronic Inc

10/12/17 / #20170290534

Sensor and transmitter product

A medical sensor device includes a sensor assembly including an underside surface for attachment against a patient's skin, a sensor portion to detect a characteristic of the patient, and sensor assembly contacts which in operation carry signals representing the detected characteristic. The device also includes a transmitter assembly removably engageable with the sensor assembly and including circuitry to take the signals from the sensor assembly contacts and to transmit readings of the detected characteristic to external equipment. ... Medtronic Inc

10/12/17 / #20170290533

Insertion device

Embodiments relate to an insertion device that includes: a plunger coupled with a lock collar. The insertion device houses contents including: a striker including self-locking striker snap arm(s) where the striker is kept from firing by a striker spring captured between the plunger and the striker when the insertion device is in a cocked position; a sensor assembly; and a needle carrier that holds a piercing member, the needle carrier captured between the striker and a needle carrier spring where a self-releasing snap(s) keeps the needle carrier cocked, where the plunger prevents the self-releasing snap(s) from repositioning and releasing the needle carrier. ... Medtronic Inc

10/12/17 / #20170290532

Sensor connections

This disclosure generally relates to medical devices that include a sensor transmitter assembly that includes a sensor assembly including a sensor module where a first sensor including a first sensor head having at least one first sensor contact pad is combined with a second sensor including a second sensor head having at least one second sensor contact pad. The sensor transmitter assembly also includes a transmitter assembly positioned on a top of the sensor assembly to form a single unit, the transmitter assembly having at least one transmitter contact disposed on a base of the transmitter assembly, where the first sensor contact pad(s) and the second sensor form a connection path with the transmitter contact(s).. ... Medtronic Inc

10/12/17 / #20170290512

Sensor and transmitter product

This disclosure generally relates to medical devices that include a transmitter assembly positioned on top of a sensor assembly. A sensor assembly includes a sensor base having a bottom surface and a top surface having an interface. ... Medtronic Inc

10/05/17 / #20170288270

Liquid electrolyte formulations with high salt content

Electrolyte formulations including a high salt concentration. The electrolyte formulation includes an organic solvent and a lithium salt, wherein the lithium salt is mixed with the organic solvent at a concentration of at least 20 mole %, or at least 40 mole %, or at least 50 mole %. ... Medtronic Inc

10/05/17 / #20170281954

Ultrasound powered pulse delivery device

An implantable device system for delivering electrical stimulation pulses to a patient's body includes a pulse delivery device having a piezoelectric element that is enclosed by a housing and produces voltage signals delivered to the patient's body in response to receiving ultrasound energy. The pulse delivery device includes a circuit having a rate limiter configured to filter voltage signals produced by the piezoelectric element a rate faster than a maximum stimulation rate.. ... Medtronic Inc

10/05/17 / #20170281951

Electrical contact for implantable medical device

A one-piece electrical contact ring for use in a lead receptacle of an implantable medical device includes (i) a tubular body defining a cavity extending through the body and (ii) a plurality of resiliently deflectable elements extending from the tubular body into the cavty. The deflectable elements have a lead contacting portion configured to contact the lead when received by the cavity. ... Medtronic Inc

10/05/17 / #20170281932

Implantable medical elongated member with adhesive elements

The disclosure is directed to securing electrodes of a medical lead adjacent to a target tissue site. The medical lead may include at least one adhesive element disposed along a longitudinal outer surface of the lead body to adhere the adjacent tissue to the lead. ... Medtronic Inc

10/05/17 / #20170281912

Drug coated balloon

A balloon catheter includes an inflatable balloon defining an inner and an outer surface. A first biocompatible layer that includes hyaluronic acid is releasably disposed on the outer surface of the balloon. ... Medtronic Inc

10/05/17 / #20170281867

Regulating entry into a closed-loop operating mode of an insulin infusion system

An electronic controller for an insulin infusion device includes at least one processor device and at least one memory element that cooperate to provide a processor-implemented closed-loop initiation module. The initiation module is operated to obtain a most recent calibration factor for a continuous glucose sensor, the most recent calibration factor representing a first conversion value applicable to convert a first sensor value to a first blood glucose value. ... Medtronic Inc

10/05/17 / #20170281847

Regenerative peritoneal dialysis system

Systems and methods of generating and regenerating peritoneal dialysate are provided. The systems and methods use a dialysate regeneration module, a sterilization module and concentrates to prepare peritoneal dialysate from used peritoneal dialysate or source water. ... Medtronic Inc

10/05/17 / #20170281846

Peritoneal dialysate fluid generation system with integrated cycler

Systems and methods of generating peritoneal dialysate and using the peritoneal dialysate with an integrated cycler are provided. The systems and methods use a water purification module, a sterilization module and concentrates to prepare peritoneal dialysate from source water and infuse the prepared peritoneal dialysate into a patient with an integrated cycler. ... Medtronic Inc

10/05/17 / #20170281845

Peritoneal dialysate fluid generation system

Systems and methods of generating peritoneal dialysate are provided. The systems and methods use a water purification module, a sterilization module and concentrates to prepare a bolus of peritoneal dialysate from source water for use with an non-integrated cycler.. ... Medtronic Inc

10/05/17 / #20170281344

Expandable introducer sheath having a steering mechanism

An expandable introducer sheath provided with a steering mechanism is disclosed. The introducer sheath is configured for providing a prosthesis delivery system percutaneous access to a patient's vasculature. ... Medtronic Inc

10/05/17 / #20170281338

Heart valve prosthesis

Mitral valve prosthesis are disclosed that include a frame or support structure having an inflow portion, a valve-retaining tubular portion and a pair of support arms. The inflow portion radially extends from a first end of the valve-retaining tubular portion and the pair of support arms are circumferentially spaced apart and radially extend from an opposing second end of the valve-retaining tubular portion. ... Medtronic Inc

10/05/17 / #20170281331

Endoluminal prosthetic devices having fluid-absorbable compositions for repair of a vascular tissue defect

Endoluminal prosthetic devices having fluid-absorbable compositions for repair of vascular tissue defects, such as an aneurysm or dissection, are disclosed herein. A prosthesis for repairing an opening or cavity within a target vessel region configured in accordance herewith includes a tubular body sized to substantially cover the opening or cavity, and having channels formed in a wall thereof. ... Medtronic Inc

10/05/17 / #20170281034

Atrial arrhythmia episode detection in a cardiac medical device

A medical device performs a method for detecting an atrial tachyarrhythmia by determining rr intervals between successive r-waves of a cardiac electrical signal and determining classification factors from the r-waves identified over a predetermined time period by determining at least a first classification factor correlated to variability of the rr intervals and a second classification factor indicating a presence of a ventricular tachyarrhythmia. The device classifies the cardiac electrical signal of the predetermined time period as unclassified, atrial tachyarrhythmia or non-atrial tachyarrhythmia by comparing the determined classification factors to classification criteria. ... Medtronic Inc

10/05/17 / #20170281033

Atrial arrhythmia episode detection in a cardiac medical device

A medical device is configured to detect an atrial tachyarrhythmia episode. The device senses a cardiac signal, identifies r-waves in the cardiac signal attendant ventricular depolarizations and determines classification factors from the r-waves identified over a predetermined time period. ... Medtronic Inc

09/28/17 / #20170274214

Modulate pacing rate to increase the percentage of effective ventricular capture during atrial fibrillation

The present disclosure pertains to cardiac pacing methods and systems, and, more particularly, to cardiac resynchronization therapy (crt). In particular, the present disclosure pertains to determining whether a patient is experiencing atrial fibrillation (af). ... Medtronic Inc

09/28/17 / #20170274213

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker is configured to detect an atrial mechanical event from a motion sensor signal received by an atrial event detector circuit of the pacemaker. The motion sensor signal is responsive the motion of blood flowing in the ventricle. ... Medtronic Inc

09/28/17 / #20170274204

Detecting ventricular lead dislodgement during atrial fibrillation

A medical device system and method for detecting dislodgement of a ventricular lead determines one or more characteristics of a cardiac signal received via the ventricular lead that are associated with dislodgement of the ventricular lead during atrial fibrillation, and detects dislodgement of the ventricular lead based on the determined characteristics. The medical device and system provides a lead dislodgment alert in response to detecting dislodgement. ... Medtronic Inc

09/28/17 / #20170274202

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

09/28/17 / #20170274129

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

09/28/17 / #20170273785

Prosthetic valve system and methods for transluminal delivery

A prosthetic valve assembly for use in replacing a deficient native valve comprises a replacement valve supported on an expandable prosthesis frame. If desired, one or more expandable anchors may be used. ... Medtronic Inc

09/28/17 / #20170273784

Stented prosthetic heart valve having wrap and methods of delivery and deployment

Systems and methods of delivering and deploying a stented prosthetic heart valve having a wrap that is automatically deployed to prevent or mitigate paravalvular leakage. In various embodiments, during transcatheter delivery of the stented prosthetic heart valve, the wrap is extends beyond a stent frame of the stented prosthetic heart valve so that the profile of the stented prosthetic heart valve is not increased during delivery. ... Medtronic Inc

09/28/17 / #20170273592

Stimulator handpiece for an evoked potential monitoring system

An evoked potential monitoring system including a control unit having stimulator circuitry and a probe assembly coupled to the control unit. The probe assembly includes a stimulus probe and a stimulator handpiece selectively coupled to the stimulus probe. ... Medtronic Inc

09/28/17 / #20170273589

Method and apparatus for verifying bradycardia/asystole episodes via detection of under-sensed events

A system and method for detecting and verifying bradycardia/asystole episodes includes sensing an electrogram (egm) signal. The egm signal is compared to a primary threshold to sense events in the egm signal, and at least one of a bradycardia or an asystole is detected based on the comparison. ... Medtronic Inc

09/21/17 / #20170266450

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

09/21/17 / #20170266442

Synchronization of anti-tachycardia pacing in an extra-cardiovascular implantable system

An extra-cardiovascular implantable cardioverter defibrillator (icd) system receives a cardiac electrical signal by an electrical sensing circuit via an extra-cardiovascular sensing electrode vector and senses cardiac events from the cardiac electrical signal. The icd system detects tachycardia from the cardiac electrical signal and determines a tachycardia cycle length from the cardiac electrical signal. ... Medtronic Inc

09/21/17 / #20170266432

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

09/21/17 / #20170266374

Infusion set connector for a fluid reservoir

An assembly for a fluid infusion device is disclosed herein. The assembly includes a fluid reservoir and an infusion set component. ... Medtronic Inc

09/21/17 / #20170266373

Needleless infusion set connector and related assembly for a fluid infusion device

A fluid delivery assembly for an infusion device is disclosed herein. The fluid delivery assembly includes a body section having a fluid chamber, a fitting section extending from the body section, and a plug component. ... Medtronic Inc

09/21/17 / #20170266368

Coupling interface for locking an actuator of a fluid infusion device to a stopper of a fluid reservoir

An assembly for an infusion device that delivers fluid to a user is disclosed. The assembly includes a reservoir and a piston actuator. ... Medtronic Inc

09/21/17 / #20170265998

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

09/21/17 / #20170265937

Renal neuromodulation 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

09/21/17 / #20170265838

Cardiac monitor system and method for home and telemedicine application

A system for detecting valvular malfunction includes a monitoring device and a processor. The monitoring device includes a heart sound sensor configured to detect heart sounds of the patient, and a signal processor. ... Medtronic Inc

09/14/17 / #20170261462

Sensor detection pads with integrated fuse

A monitor system to monitor a characteristic of a user is disclosed. A monitor system includes a sensor producing signals indicative of glucose characteristics within the user. ... Medtronic Inc

09/14/17 / #20170259064

Medical therapy target definition

In some examples, a system may include a plurality of electrodes, electrical stimulation circuitry, and a controller. The controller may be configured to select one or more parameters of therapy to be delivered to a brain of a patient and to control the electrical stimulation circuitry to deliver the therapy to the brain of the patient based on the selected parameters and via a first one or more electrodes of the plurality of electrodes. ... Medtronic Inc

09/14/17 / #20170259055

Titanium alloy contact ring element having low modulus and large elastic elongation

A method of forming a medical device contact element includes annealing an elongated rod of ti-15mo alloy material to form an annealed rod having a young's modulus of less than 13.5 mpsi and an elastic range or strain of at least 0.7%. Then forming a contact ring element from the annealed rod and assembling the contact ring element into a medical device. ... Medtronic Inc

09/14/17 / #20170258989

Insertion device for insertion set

An insertion device for use with an insertion set is provided. The insertion device includes a first housing having a rail. ... Medtronic Inc

09/14/17 / #20170258614

Steerable catheter with multiple bending radii via a steering mechanism with telescoping tubular components

A steerable catheter includes a tubular sheath having a longitudinally-extending lumen formed within a wall thereof and a steering mechanism disposed within the longitudinally-extending lumen. The steering mechanism includes a pull tube and a pull wire. ... Medtronic Inc

09/14/17 / #20170258587

Transcatheter stented prosthetic heart valve delivery devices

Disclosed embodiments and methods provide solutions for coupling and decoupling of a delivery device from a stented prosthetic heart valve with one or more release mechanisms. In situations when one or more sutures get tangled or caught upon attempted retraction of the delivery device and sutures after deployment of the stented prosthetic heart valve, a secondary release mechanism can be provided to sever the suture(s) or release the suture(s) from the delivery device. ... Medtronic Inc

09/14/17 / #20170258586

Stented prosthetic heart valve having a wrap and delivery devices

Stented prosthetic heart valves comprising a stent frame having a compressed arrangement for delivery within a patient's vasculature and an expanded arrangement for deployment within a native heart valve. The stented prosthetic heart valves including a paravalvular leakage prevention or mitigation wrap that encircles a stent frame and is formed of a flexible material having a variable diameter defined by a greatest distance between the wrap and the stent frame. ... Medtronic Inc

09/14/17 / #20170258522

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

09/14/17 / #20170258427

Transformable imaging system

A transformable imaging system configured to operate in at least two configurations. A first configuration may be open and a second configuration may be closed. ... Medtronic Inc

09/14/17 / #20170258426

Transformable imaging system

A transformable imaging system configured to operate in at least two configurations. A first configuration may be open and a second configuration may be closed. ... Medtronic Inc

09/14/17 / #20170258425

Transformable imaging system

A transformable imaging system configured to operate in at least two configurations. A first configuration may be open and a second configuration may be closed. ... Medtronic Inc

09/14/17 / #20170258346

Subcutaneous delivery tool

Subcutaneous implantation tools and methods of implanting a subcutaneous device using the same. The tool may include a tool body having a longitudinally extending recess having a distal opening and having a tunneler at a distal end of the tool body extending from the distal opening of the recess. ... Medtronic Inc

09/07/17 / #20170252161

Stented prosthesis delivery system having a bumper

Numerous delivery devices for delivery of a stented prosthesis, such as a stented prosthetic heart valve. Various delivery devices include a capsule that is advanced proximally to retain the stented prosthesis, which is secured over an inner shaft assembly of the delivery device. ... Medtronic Inc

09/07/17 / #20170252097

Sub-xiphoid ablation clamp and method of sub-xiphoid ablation

Device and method for sub-xiphoid ablation of patient tissue. A sub-xiphoid access clamp has a handle, an elongate neck coupled to the handle and first and second opposing jaws. ... Medtronic Inc

08/31/17 / #20170248542

Physiological characteristic sensors and methods for forming such sensors

A physiological characteristic sensor, a method for forming a physiological characteristic sensor, and a method for forming a platinum deposit having a rough surface are presented here. The method for forming a physiological characteristic sensor includes immersing a sensor electrode in a platinum electrolytic bath. ... Medtronic Inc

08/31/17 / #20170246461

Noninvasive methods and systems of determining the extent of tissue capture from cardiac pacing

Methods and systems of evaluating cardiac pacing in candidate patients for cardiac resynchronization therapy and cardiac resynchronization therapy patients are disclosed. The methods and systems disclosed allow treatments to be personalized to patients by measuring the extent of tissue capture from cardiac pacing under various therapy parameter conditions. ... Medtronic Inc

08/31/17 / #20170246460

Methods and systems of optimizing right ventricular only pacing for patients with respect to an atrial event and left ventricular event

Methods and systems of evaluating cardiac pacing in candidate patients for cardiac resynchronization therapy and cardiac resynchronization therapy patients are disclosed. The methods and systems disclosed allow treatments to be personalized to patients by measuring the extent of tissue capture from cardiac pacing under various therapy parameter conditions. ... Medtronic Inc

08/31/17 / #20170246449

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

08/31/17 / #20170245926

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

08/31/17 / #20170245925

Methods for therapeutic renal denervation

Methods for therapeutic renal denervation are disclosed herein. One aspect of the present application, for example, is directed to methods that block, reduce and/or inhibit renal sympathetic nerve activity to achieve a reduction in central sympathetic tone. ... Medtronic Inc

08/31/17 / #20170245794

Medical system for seamless therapy adjustment

Methods and systems for seamless adjustment of treatment are disclosed. A determination is made as to whether to intervene with a patient's treatment. ... Medtronic Inc

08/24/17 / #20170239480

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

08/24/17 / #20170239472

System and method for pacing parameter optimization using heart sounds

A medical device system and associated method predict a patient response to a cardiac therapy. The system includes for delivering cardiac pacing pulses to a patient's heart coupled to a cardiac sensing module and a cardiac pacing module for generating cardiac pacing pulses and controlling delivery of the pacing pulses at multiple pace parameter settings. ... Medtronic Inc

08/24/17 / #20170239470

Incontinence therapy

In some examples, a technique for delivering electrical stimulation therapy to a patient includes determining, by processing circuitry, one or more cycle settings associated with delivery of the electrical stimulation therapy, determining, by the processing circuitry, a cycle time period associated with each cycle setting, and delivering, by a medical device, electrical stimulation therapy based on the determined cycle settings and the determined cycle time periods. Each cycle setting may define an on-cycle, during which electrical stimulation is delivered, and an off-cycle, during which electrical stimulation is not delivered. ... Medtronic Inc

08/24/17 / #20170239460

Lead electrode for use in an mri-safe implantable medical device

An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.. ... Medtronic Inc

08/24/17 / #20170239411

Infusate holder

The invention relates to an infusate holder for use in dialysis. The infusate holder can include one or more interior compartments for holding infusate containers or infusates. ... Medtronic Inc

08/24/17 / #20170239410

Infusate frame

The invention relates to an infusate frame for use in dialysis. The infusate frame includes one or more openings cut-out of a rigid support frame. ... Medtronic Inc

08/24/17 / #20170239047

Transcatheter valve prosthesis delivery system with recapturing feature and method

A delivery system for percutaneously deploying a valve prosthesis. The system includes a catheter assembly including a delivery sheath capsule and a handle having an oscillating device. ... Medtronic Inc

08/24/17 / #20170238838

Multi-frequency impedance monitoring system

A system and method is provided to measure intrathoracic complex impedance and to identify and indicate disease conditions based on the impedance measurements. Multiple impedance vectors may be taken into account, and an optimal vector may be selected to provide the most useful impedance measurement for the identification and indication of disease conditions.. ... Medtronic Inc

08/24/17 / #20170238533

Heart-lung preparation and method of use

An isolated heart or heart-lung preparation in which essentially normal pumping activity of all four chambers of the heart is preserved, allowing for the use of the preparation in conjunction with investigations of electrode leads, catheters, ablation methods, cardiac implants and other medical devices intended to be used in or on a beating heart. The system can be designed to be used within a magnetic resonance imaging (mri) unit or a x-ray computed tomography (ct) scanner. ... Medtronic Inc

08/17/17 / #20170237207

Medical cable connector for a medical lead providing an electrical receptacle that is movable relative to an outer body

A medical cable connector of a medical cable receives a medical lead while an electrical receptacle within the medical cable connector is placed into a distal position relative to an outer body of the medical cable connector. The electrical receptacle is retracted to a proximal position once insertion of the medical lead into the medical cable connector is completed. ... Medtronic Inc

08/17/17 / #20170232275

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

08/17/17 / #20170232262

Dynamic capture management safety margin

A cardiac stimulation system and associated capture management method are provided in which capture and device longevity are improved. The device determines a series of capture thresholds. ... Medtronic Inc

08/17/17 / #20170232261

System and method for cardiac pacing

An implantable medical device system is configured to deliver cardiac pacing by receiving a cardiac electrical signal by sensing circuitry of a first device via a plurality of sensing electrodes, identifying by a control module of the first device a first cardiac event from the cardiac electrical signal, setting a first pacing interval in response to identifying the first cardiac event, controlling a power transmitter of the first device to transmit power upon expiration of the first pacing interval, receiving the transmitted power by a power receiver of a second device; and delivering at least a portion of the received power to a patient's heart via a first pacing electrode pair of the second device coupled to the power receiver.. . ... Medtronic Inc

08/17/17 / #20170231755

Valve delivery tool

A system includes a medical device for implanting in a valve of a subject, the implantable medical device having a self-expanding frame; and a holder configured to retain the frame of the implantable medical device in a constricted configuration and to control expansion of the frame. The holder has a controllably constrictable and expandable loop, wherein the loop is disposed about at least a portion of the self-expanding frame such that constriction or expansion of the first loop controls constriction or expansion of the frame.. ... Medtronic Inc

08/17/17 / #20170231749

Stent graft with external scaffolding and method

A scaffolded stent-graft includes a graft material comprising an inner surface and an outer surface. The inner surface defines a lumen within the graft material. ... Medtronic Inc

08/10/17 / #20170224984

Establishing continuity between a shield within an implantable medical lead and a shield within an implantable lead extension

Implantable medical leads and implantable lead extensions include a shield. The implantable medical lead is coupled to the implantable lead extension. ... Medtronic Inc

08/10/17 / #20170224981

Neural interface system

The neural interface system of the preferred embodiments includes an electrode array having a plurality of electrode sites and a carrier that supports the electrode array. The electrode array is coupled to the carrier such that the electrode sites are arranged both circumferentially around the carrier and axially along the carrier. ... Medtronic Inc

08/10/17 / #20170224919

System and/or method for glucose sensor calibration

The subject matter disclosed herein relates to systems, methods and/or devices for calibrating sensor data to be used in estimating a blood glucose concentration. A relationship between sensor measurements and reference readings may be used to estimate a relationship between sensor measurements and blood glucose concentration. ... Medtronic Inc

08/10/17 / #20170224884

Method for inhibiting platelet interaction with biomaterial surfaces

A method for passivating a biomaterial surface includes modifying proteinaceous material disposed at the biomaterial surface. The passivation may be effectuated by exposing the biomaterial surface to therapeutic electrical energy in the presence of blood or plasma.. ... Medtronic Inc

08/10/17 / #20170224511

Attachment mechanism for stent release

An attachment mechanism for coupling a stent to a delivery system is disclosed. The attachment mechanism is configured to pivot relative to an inner shaft assembly of the delivery system in order to release the stent from the delivery system. ... Medtronic Inc

08/10/17 / #20170224480

Anti-paravalvular leakage component for a transcatheter valve prosthesis

A transcatheter valve prosthesis includes an expandable tubular stent, a prosthetic valve within the stent, and an anti-paravalvular leakage component coupled to and encircling the tubular stent. The anti-paravalvular leakage component includes a radially-compressible annular scaffold, which is a sinusoidal patterned ring of self-expanding material, and an impermeable membrane extending over the annular scaffold. ... Medtronic Inc

08/10/17 / #20170224478

Stents for prosthetic heart valves

A stented valve including a stent structure having a generally tubular body portion, an interior area, a longitudinal axis, an first end, an second end, and an outer surface; at least one outflow barb extending from the outer surface of the stem adjacent to the first end of the stent structure and toward the second end of the stent structure; at least one inflow barb extending from the outer surface of the stent adjacent to the second end of the stent structure and toward the first end of the stent structure; and a valve structure attached within the interior area of the stent structure.. . ... Medtronic Inc

08/10/17 / #20170224467

Endoluminal prosthetic assemblies, and associated systems and methods for percutaneous repair of a vascular tissue defect

A prosthetic assembly for repairing a target tissue defect within a target vessel region configured includes an exclusion structure sized to substantially bypass target tissue defect, and includes a branch assembly. The branch assembly can include a self-expanding outer branch prosthesis having an inflow region configured to deform to a non-circular cross-sectional-shape when deployed, and a support structure at least partially disposed within the inflow region. ... Medtronic Inc

08/10/17 / #20170224408

Bipolar electrosurgical cutter with position insensitive return electrode contact

A bipolar electrosurgical device includes a handle and an elongated end effector coupled to the handle. The end effector includes an elongated, insulating body having first and second electrodes disposed thereon. ... Medtronic Inc

08/03/17 / #20170219261

Recovery system for n20

A system for the recovery of expanded refrigerant from a cryotreatment system for storage and disposal may generally include first fluid flow path having a first compressor and a fluid recovery reservoir, and a closed-loop second fluid flow path having a thermal exchange device that is in thermal communication with the fluid recovery reservoir, a second compressor, and a condenser. The first fluid flow path may include a primary refrigerant from a cryotreatment system and the closed-loop second fluid flow path may contain a secondary refrigerant for cooling the primary refrigerant within the fluid recovery reservoir. ... Medtronic Inc

08/03/17 / #20170216611

Facilitating integrity of telemetry connectivity between an implantable device and a remote device

Systems, apparatus, methods and computer-readable storage media that facilitate monitoring the integrity of telemetry connectivity between an implantable device and an external device are provided. In one embodiment, an implantable device includes a monitoring component that monitors advertisement signal information identifying an amount of advertisement signals transmitted to the external device within a defined time period, and telemetry session information identifying an amount of the telemetry sessions that are established between the external device and the implantable device within the defined time period. ... Medtronic Inc

08/03/17 / #20170216610

Telemetry overuse reduction in an implantable device

Systems, apparatus, methods and computer-readable storage media facilitating telemetry overuse reduction in an implantable medical device (“imd”) are provided. In one embodiment, an imd includes a housing configured to be implanted at least partially within a patient, a memory and circuitry within the housing and a processor that executes executable components stored in the memory. ... Medtronic Inc

08/03/17 / #20170216601

Cardiac therapy including vagal stimulation

Methods of nerve signal differentiation, methods of delivering therapy using such nerve signal differentiation, and to systems and devices for performing such methods. Nerve signal differentiation may include locating two electrodes proximate nerve tissue and differentiating between efferent and afferent components of nerve signals monitored using the two electrodes.. ... Medtronic Inc

08/03/17 / #20170216575

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

08/03/17 / #20170216459

Compostions and methods for diagnosis of axial pain with or without radiculopathy

The invention provides methods and composition developed to be used with imaging techniques and useful for diagnosis and monitoring the pain generator(s) of axial pain with or without radiculopathy and methods for screening therapeutic compounds potentially useful for treating axial pain with or without radiculopathy. Alternatively, degenerated discs can be monitored and treated before occurrence of a pathological pain condition. ... Medtronic Inc

08/03/17 / #20170216060

Hollow drug-filled stent and method of forming hollow drug-filled stent

A stent is formed from a wire having an outer member, a radiopaque core member disposed within a portion of the outer member, and an annular lumen between the radiopaque core member and the outer member. A substance is disposed in the annular lumen to be eluted through at least one opening disposed through the outer member. ... Medtronic Inc

08/03/17 / #20170216026

Heart valve prostheses having multiple support arms and methods for percutaneous heart valve replacement

Prosthetic heart valve devices and associated methods for percutaneous or transcatheter heart valve replacement are disclosed herein. A heart valve prosthesis configured in accordance herewith includes a frame having a valve support and a plurality of support arms extending therefrom. ... Medtronic Inc

08/03/17 / #20170215794

Systems and methods for monitoring and evaluating neuromodulation therapy

Systems and methods for informing and evaluating neuromodulation therapy are disclosed herein. A system configured in accordance with embodiments of the present technology can include, for example, a guidewire having a proximal portion, a distal portion configured to be positioned at a target site in a blood vessel of a human patient, and a sensing element positioned along the distal portion. ... Medtronic Inc

08/03/17 / #20170215775

Orthogonally redundant sensor systems and methods

A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. ... Medtronic Inc

07/27/17 / #20170214631

Systems, apparatus and methods facilitating data buffering and removal

Techniques for mitigating transmission of stale data from an implantable device are provided. In one embodiment, a method includes monitoring one or more data items stored in a data management queue prior to submission to a packet transmission queue for transmission as packets on a communication network to one or more other devices. ... Medtronic Inc

07/27/17 / #20170209690

Compact implantable medical device and delivery device

Methods and systems for positioning a leadless pacing device (lpd) in cardiac tissue are disclosed. A delivery device is employed that comprises a proximal end, a distal end and a lumen therebetween sized to receive the lpd. ... Medtronic Inc

07/27/17 / #20170209689

Interventional medical devices, device systems, and fixation components thereof

A fixation mechanism of an implantable medical device is formed by a plurality of tines fixedly mounted around a perimeter of a distal end of the device. Each tine may be said to include a first segment fixedly attached to the device, a second segment extending from the first segment, and a third segment, to which the second segment extends. ... Medtronic Inc

07/27/17 / #20170209688

Interventional medical systems

An implantable medical device includes ventricular and atrial portions, and a flexible leadlet that extends therebetween. An open channel of the atrial portion, formed along a core thereof, is sized to receive the leadlet therein, when the leadlet is folded over on itself. ... Medtronic Inc

07/27/17 / #20170209685

Tools and methods for removing anchors from medical leads

Tools and methods for removing anchors from medical leads involve a guide portion and a blade. The lead is inserted within a lead passageway of the guide portion of the tool and the tool is moved along so that the blade contacts the anchor and cuts a slit in the anchor as the tool. ... Medtronic Inc

07/27/17 / #20170209268

Systems and methods for repositioning a fully deployed valve assembly

A valve assembly includes a frame, a prosthetic valve coupled to the frame, and a repositioning wire coupled to the frame. When pulled, the repositioning wire is configured to radially compress the valve assembly from a radially expanded fully deployed configuration to a radially compressed repositioning configuration. ... Medtronic Inc

07/27/17 / #20170209262

Bioprosthetic tissue for use as a prosthetic valve leaflet and method of preparing

Methods of preparing a sheet of bioprosthetic tissue for use as a prosthetic valve leaflet are disclosed. A method includes positioning a sheet of bioprosthetic tissue across an engagement face of a first patterned substrate. ... Medtronic Inc

07/27/17 / #20170209082

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

07/27/17 / #20170209080

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

07/20/17 / #20170203114

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

07/20/17 / #20170202617

Methods for renal neuromodulation via neuromodulatory agents

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

07/20/17 / #20170202577

Implant tools with attachment feature and multi-positional sheath and implant techniques utilizing such tools

Implant tools and techniques for implantation of a medical lead, catheter or other implantable component are provided. The implant tools and techniques are particularly useful in implanting medical electrical leads in extravascular locations, including subcutaneous locations. ... Medtronic Inc

07/20/17 / #20170202500

Biomarker sampling in the context of neuromodulation devices, systems, and methods

Methods for treating a patient using therapeutic renal neuromodulation and associated devices, systems, and methods are disclosed herein. One aspect of the present technology is directed to biomarker sampling in the context of neuromodulation devices, systems, and methods. ... Medtronic Inc

07/13/17 / #20170197030

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

07/13/17 / #20170196690

Delivery device for a stented prosthetic heart valve

A delivery device for percutaneously delivering a stented prosthetic heart valve includes a capsule assembly, a handle, and an outer stability shaft. The capsule assembly includes a capsule and a proximal shaft coupled to the capsule. ... Medtronic Inc

07/13/17 / #20170196686

Bioprosthetic tissue repair and reinforcement

A method of reinforcing or repairing a bioprosthetic tissue for use as a prosthetic valve leaflet. The method includes evaluating a bioprosthetic tissue, identifying a defect in the bioprosthetic tissue, and selectively applying an adhesive to a surface of the bioprosthetic tissue at the defect prior to implantation in a patient.. ... Medtronic Inc

07/13/17 / #20170196684

Prosthetic heart valve cooling

Methods of compressing a stented prosthetic heart valve are disclosed. The method including inserting a stented prosthetic heart valve having a self-expandable stent frame into a container, initiating a cooling element in the container, transferring heat through a thermal conductor to cool an interior of the container, reducing a temperature of the self-expandable stent frame while located within the container to a critical temperature of not greater than 8° c., and compressing an outer diameter of the stented prosthetic heart valve while the stented prosthetic heart valve is at the critical temperature.. ... Medtronic Inc

07/06/17 / #20170194810

Sensing temperature within medical devices

Devices, systems, and techniques for monitoring the temperature of a device used to charge a rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. ... Medtronic Inc

07/06/17 / #20170189681

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

07/06/17 / #20170189677

Implantable medical leads, systems, and related methods for creating a high impedance within a conduction path in the presence of a magnetic field of a given strength

Implantable medical systems include implantable medical leads that have magnetic orientation-independent magnetically actuated switches that are placed in the conduction path to the electrode of the lead. Thus, regardless of the orientation of a substantial magnetic field like that from an mri machine to the lead and switch within the lead, the switch opens when in the presence of that substantial magnetic field. ... Medtronic Inc

07/06/17 / #20170189674

Medical electrical lead

The present disclosure relates to an implantable medical device such as a medical electrical lead. The implantable medical device comprises an electrical connector assembly, an electrode, and an elongated lead body having a proximal end and a distal end. ... Medtronic Inc

07/06/17 / #20170189669

Implantable medical lead connector having carbon nanotube wire

An implantable medical leads has a conductor that includes one or more metal wires and one or more carbon nanotube wires extending in substantially the same direction as the one or more metal wires. Such conductors may result in less mri-induced heating at electrodes of leads than conductors that do not contain carbon nanotubes.. ... Medtronic Inc

07/06/17 / #20170189617

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

07/06/17 / #20170189124

Navigation system for cardiac therapies using gating

An image guided navigation system for navigating a region of a patient which is gated using ecg signals to confirm diastole. The navigation system includes an imaging device, a tracking device, a controller, and a display. ... Medtronic Inc

06/29/17 / #20170185733

Retrospective sensor systems, devices, and methods

A method for retrospective calibration of a glucose sensor uses stored values of measured working electrode current (isig) to calculate a final sensor glucose (sg) value retrospectively. The isig values may be preprocessed, discrete wavelet decomposition applied. ... Medtronic Inc

06/29/17 / #20170184527

Sensor systems, devices, and methods for continuous glucose monitoring

Electrochemical impedance spectroscopy (eis) may be used in conjunction with continuous glucose monitoring (cgm) to enable identification of valid and reliable sensor data, as well implementation of smart calibration algorithms.. . ... Medtronic Inc

06/29/17 / #20170182313

Strain relief loop holders for medical leads and systems

Strain relief loop holders maintain the strain relief loop formed in a lead while also addressing the excessive heating at the point in the loop where the medical lead intersects with itself. The strain relief loop includes a body section that the medical lead passes through where the intersection occurs. ... Medtronic Inc

06/29/17 / #20170182307

Fluid infusion device and related sealing assembly for a needleless fluid reservoir

Disclosed herein is a fluid infusion device of the type that delivers medication fluid to the body of a patient. The device includes or cooperates with a fluid reservoir, and the device has a sealing assembly to receive and form a fluid seal with the fluid reservoir. ... Medtronic Inc

06/29/17 / #20170182236

Systems and methods for multifunctional volumetric fluid control

Systems and methods for controlling fluid movement and volumes of fluid between a subject and a controlled compliant flow path. The controlled compliant flow path has a means for selectively metering in and metering out fluid from the controlled compliant flow path. ... Medtronic Inc

06/29/17 / #20170181853

Delivery systems and methods of implantation for prosthetic heart valves

A delivery system for delivery of an implantable stented device to a body lumen that includes an elongated member having a distal tip and a proximal end portion, a wire connection member positioned between the distal tip and proximal end portion of the elongated member, and a plurality of capturing wires extending from a distal end of the wire connection member. Each of the capturing wires includes a distal end having a lower portion that is moveable relative to an upper portion between an open position and a closed position, and a slot defined by the upper and lower portions when they are in the closed position.. ... Medtronic Inc

06/29/17 / #20170181677

Methods, systems, and devices for sensor fusion

A single, optimal, fused sensor glucose value may be calculated based on respective sensor glucose values of a plurality of redundant working electrodes (wes) of a glucose sensor. Respective electrochemical impedance spectroscopy (eis) procedures may be performed for each of the wes to obtain values of membrane resistance (rmem) for each we. ... Medtronic Inc

06/29/17 / #20170181676

Sensor systems, devices, and methods for continuous glucose monitoring

Electrochemical impedance spectroscopy (eis) may be used in conjunction with continuous glucose monitoring (cgm) to enable identification of valid and reliable sensor data, as well implementation of smart calibration algorithms.. . ... Medtronic Inc

06/29/17 / #20170181673

Sensor systems, devices, and methods for continuous glucose monitoring

Electrochemical impedance spectroscopy (eis) may be used in conjunction with continuous glucose monitoring (cgm) to enable identification of valid and reliable sensor data, as well implementation of smart calibration algorithms.. . ... Medtronic Inc

06/29/17 / #20170181672

Sensor systems, devices, and methods for continuous glucose monitoring

Electrochemical impedance spectroscopy (eis) may be used in conjunction with continuous glucose monitoring (cgm) to enable identification of valid and reliable sensor data, as well implementation of smart calibration algorithms.. . ... Medtronic Inc

06/29/17 / #20170181671

Sensor-unspecific calibration methods and systems

An unscented kalman filter is used to enable sensor calibration independently of the actual design of the subject sensors. By utilizing an unscented kalman filter, an underlying calibration methodology is developed that is sensor-unspecific, such that a single calibration methodology and related systems may be used to calibrate various sensors, without the need to re-calculate a calibration factor for each specific sensor, and without the need to design a separate filtering mechanism to compensate for noise. ... Medtronic Inc

06/22/17 / #20170176381

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

06/22/17 / #20170173343

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

06/22/17 / #20170173341

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

06/22/17 / #20170173327

Conditional electrical stimulation

In general, the disclosure describes techniques for providing conditional electrical stimulation to a patient for pelvic health. An implantable medical device (imd) may adjust the delivery cycle of the electrical stimulation applied to a patient in response to receiving a delivery cycle parameter associated with one or more of the following: a time in a time schedule, a control device output from a control device, and physiological information from a physiological information sensing device. ... Medtronic Inc

06/22/17 / #20170173242

Modular implantable ventricular assist device

The invention features modular implantable ventricular assist devices configured to be, at least in part, assembled within a patient. The devices generally include a pump assembly and an expandable frame. ... Medtronic Inc

06/22/17 / #20170173214

Methods for preparing dry cross-linked tissue

A method of preparing dry cross-linked biological tissue. A processing solution is prepared that contains a cross-linking agent and an organic water-soluble liquid. ... Medtronic Inc

06/22/17 / #20170172740

Clocking valve retainer

Valve retainers and delivery systems with valve retainers are disclosed. In certain embodiments, a portion of the valve retainer can rotate about a central axis of the delivery system relative to a different portion of the valve retainer. ... Medtronic Inc

06/22/17 / #20170172646

Electrosurgical device with multiple monopolar electrode assembly

An electrosurgical device having a handpiece including a controller and an electrode assembly extending from the handpiece is disclosed. The electrode assembly includes a monopolar blade and a monopolar electrode. ... Medtronic Inc

06/22/17 / #20170172505

Sealed package and method of forming same

Various embodiments of a sealed package and a method of forming such package are disclosed. The package can include a non-conductive substrate that includes a cavity disposed in a first major surface. ... Medtronic Inc

06/22/17 / #20170172474

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

06/22/17 / #20170172471

Biostable glucose permeable polymer

A new biostable glucose permeable polymer has been developed which is useful, for example, in implantable glucose sensors. This biostable glucose permeable polymer has a number of advantageous characteristics and, for example, does not undergo hydrolytic cleavage and degradation, thereby providing a composition that facilitates long term sensor stability in vivo. ... Medtronic Inc

06/22/17 / #20170172413

System and method to flag arrhythmia episodes for urgent review

A system and method of flagging monitored ecg samples for urgent review by a human expert is described, and includes monitoring an electro-cardiogram (ecg) signal of the patient with an adherent device that includes a plurality of electrodes. Based on the monitored ecg signal, detected rhythm abnormalities in the patient are detected and ecg samples are collected with respect to detected rhythm abnormalities. ... Medtronic Inc

06/15/17 / #20170165479

Tine fixation components for implantable medical devices

A tine portion for an implantable medical device includes a hook segment and a distal segment terminated by a tissue-piercing tip, wherein the distal segment extends from the hook segment to the tip. The hook segment, which is elastically deformable from a pre-set curvature, has one of: a round cross-section and an elliptical cross-section, while the distal segment has a flattened, or approximately rectangular cross-section. ... Medtronic Inc

06/15/17 / #20170165477

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

06/15/17 / #20170165469

Implantable medical device having a scheme for managing storage of data

The disclosure describes a scheme for managing the operations of a flash memory. The scheme enables the flash memory to be used in a write-once mode to allow non-volatile storage of small amounts of data that must be written repeatedly. ... Medtronic Inc

06/15/17 / #20170165454

Catheter with a lumen shaped as an identification symbol

A catheter includes a catheter shaft having a shaft wall and a lumen extending longitudinally within the shaft wall. The lumen is bounded in radially outward and radially inward directions. ... Medtronic Inc

06/15/17 / #20170165067

Devices and methods for transcatheter valve loading and implantation

The present disclosure relates to numerous devices and methods for transcatheter stented prosthetic heart valve loading and delivery. Such devices and methods reduce suture tangling and also provide the ability to adjust the stented prosthetic heart valve expansion and contraction prior to the final release of the stented prosthetic heart valve from the delivery device.. ... Medtronic Inc

06/15/17 / #20170165066

Devices and methods for transcatheter valve loading and implantation

The present disclosure relates to numerous delivery devices and methods for transcatheter prosthetic heart valve loading, deployment and delivery utilizing at least one suture. Disclosed delivery devices utilize improved suture routing methods and configurations that reduce suture tangling and also provide the ability to adjust the prosthetic heart valve expansion and contraction prior to the final release of the prosthetic heart valve from the delivery device.. ... Medtronic Inc

06/15/17 / #20170165065

Delivery system having retractable wires as a coupling mechanism and a deployment mechanism for a self-expanding prosthesis

A delivery system for transcatheter implantation of a heart valve prosthesis. The delivery system includes an outer sheath component defining a lumen therethrough, an elongate tube having at least two flat wires longitudinally extending from a distal end thereof, and self-expanding first and second frames disposed in series within a distal portion of the outer sheath component and held in a compressed delivery configuration therein. ... Medtronic Inc

06/15/17 / #20170165063

Valve delivery device with a piezochromatic feedback indicator and methods of use

Heart valve delivery systems and methods for providing a clinician with feedback during a stented prosthetic heart valve delivery procedure. Feedback is provided using piezochromatic indicators incorporated into elements of the delivery device, such as the handle assembly, shaft assembly and capsule to indicate when detrimental forces, or forces nearing those that are detrimental, are being applied to the delivery device during the prosthetic heart valve loading, delivery or deployment procedure. ... Medtronic Inc

06/15/17 / #20170165062

Delivery system having retractable wires as a coupling mechanism and a deployment mechanism for a self-expanding prosthesis

A delivery system for transcatheter implantation of a heart valve prosthesis. The delivery system includes an outer sheath component defining a lumen therethrough, an elongate tube having at least two flat wires longitudinally extending from a distal end thereof, and self-expanding first and second frames disposed in series within a distal portion of the outer sheath component and held in a compressed delivery configuration therein. ... Medtronic Inc

06/15/17 / #20170165058

Transcatheter heart valve replacement systems, heart valve prostheses, and methods for percutaneous heart valve replacement

Prosthetic heart valve devices, heart valve replacement systems and associated methods for percutaneous heart valve replacement are disclosed herein. A transcatheter heart valve prosthesis configured in accordance herewith includes an expandable frame having a plurality of commissure posts extending therefrom, a radially expandable inflow member attached to the plurality of commissure posts, and a locking mechanism operably coupled to a wire. ... Medtronic Inc

06/15/17 / #20170165023

Product packaging

A product allows gaseous manufacturing by-products to be vented from the inside a sealed package tray. An exemplary method for packaging a device includes sealing the device inside a package tray with a gas-permeable sealing material, resulting in a sealed package tray. ... Medtronic Inc

06/15/17 / #20170164879

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

06/15/17 / #20170164854

Method and system for monitoring a nerve

A nerve monitoring system facilitates monitoring an integrity of a nerve.. . ... Medtronic Inc

06/15/17 / #20170164845

Implantable medical sensor and fixation system

An implantable medical device, such as a sensor for monitoring a selected internally detectable physiological parameter of a patient, is attached to a fixation assembly that is deployable within the patient to position and orient the sensor to enable it to perform its function. The fixation assembly is formed having at least one flexible asymmetric connector where each fixation member includes a plurality of loops, wherein a first loop of the plurality of loops has a maximum pitch that is different from a maximum pitch of a second loop of the plurality of loops. ... Medtronic Inc

06/15/17 / #20170164841

Method and apparatus for remote detection and monitoring of functional chronotropic incompetence

Methods and apparatus to determine the presence of and track functional chronotropic incompetence (hereinafter “ci”) in an in-home setting under conditions of daily living. The functional ci of the patient may be determined with one or more of a profile of measured patient heart rates, a measured maximum patient heart rate, or a peak of the heart rate profile. ... Medtronic Inc

06/08/17 / #20170157414

Extra-cardiovascular pacing using high-voltage therapy circuitry of an implantable cardioverter defibrillator

This disclosure is directed to techniques for delivering cardiac pacing pulses to a patient's heart by a cardiac system, such as an extra-cardiovascular icd system. An icd operating according to the techniques disclosed herein delivers cardiac pacing pulses using high-voltage therapy circuitry typically configured for delivering high-voltage cardioversion/defibrillation shocks. ... Medtronic Inc

06/08/17 / #20170157413

Extra-cardiovascular pacing by an implantable cardioverter defibrillator

An extra-cardiovascular implantable cardioverter defibrillator (icd) having a low voltage therapy module and a high voltage therapy module is configured to select, by a control module of the icd, a pacing output configuration from at least a low-voltage pacing output configuration of the low voltage therapy module and a high-voltage pacing output configuration of the high voltage therapy module. The high voltage therapy module includes a high voltage capacitor having a first capacitance and the low voltage therapy module includes a plurality of low voltage capacitors each having up to a second capacitance that is less than the first capacitance. ... Medtronic Inc

06/08/17 / #20170157412

Tachyarrhythmia induction by an extra-cardiovascular implantable cardioverter defibrillator

An extra-cardiovascular implantable cardioverter defibrillator (icd) is configured to induce a tachyarrhythmia by charging a high voltage capacitor to a voltage amplitude and delivering a series of pulses to a patient's heart by discharging the capacitor via an extra-cardiovascular electrode vector. Delivering the series of pulses includes recharging the high-voltage capacitor during an inter-pulse interval between consecutive pulses of the series of pulses.. ... Medtronic Inc

06/08/17 / #20170157405

Implantable medical devices and related connector enclosure assemblies utilizing conductors electrically coupled to feedthrough pins

Implantable medical devices include connector enclosure assemblies that utilize conductors that are electrically coupled to feedthrough pins and that extend into a can where electrical circuitry is housed. The conductors may be coupled to the feedthrough pins and to capacitor plates within a filter capacitor by an electrically conductive bonding material and as a single bonding event during manufacturing. ... Medtronic Inc

06/08/17 / #20170157399

Extra-cardiovascular cardiac pacing system for delivering composite pacing pulses

An implantable medical device is configured to control a therapy module to couple a capacitor array comprising a plurality of capacitors to a plurality of extra-cardiovascular electrodes and control the therapy module to deliver a composite pacing pulse to a patient's heart via the plurality of extra-cardiovascular electrodes by sequentially discharging at least a portion of the plurality capacitors to produce a series of at least two individual pulses that define the composite pacing pulse.. . ... Medtronic Inc

06/08/17 / #20170157395

Extra-cardiovascular cardiac pacing system

An extra-cardiovascular medical device is configured to select a capacitor configuration from a capacitor array and deliver a low voltage, pacing pulse by discharging the selected capacitor configuration across an extra-cardiovascular pacing electrode vector. In some examples, the medical device is configured to determine the capacitor configuration based on a measured impedance of the extra-cardiovascular pacing electrode vector.. ... Medtronic Inc

06/08/17 / #20170157322

Connection and alignment detection systems and methods

A medical device includes a first housing portion (fhp) and a second housing portion (shp) configured to be to be movable relative to each other from a first position to operatively engage at a second position to couple at least one of a drive device and a needle-inserting device supported by one of the fhp and the shp to a reservoir supported by the other of the fhp and the shp. Electronic circuitry configured to detect at least one of a first magnetic interaction between a magnet and at least one of a first magnetically attractive material and a first magnet-responsive device and a second magnetic interaction between the magnet and at least one of a second magnetically attractive material and a second magnet-responsive device, and to provide a signal or a change in state in response to detecting at least one of the interactions.. ... Medtronic Inc

06/08/17 / #20170157321

Connection and alignment detection systems and methods

A medical device includes a first housing portion (fhp) and a second housing portion (shp) configured to be to be movable relative to each other from a first position to operatively engage at a second position to couple at least one of a drive device and a needle-inserting device supported by one of the fhp and the shp to a reservoir supported by the other of the fhp and the shp. Electronic circuitry configured to detect at least one of a first magnetic interaction between a magnet and at least one of a first magnetically attractive material and a first magnet-responsive device and a second magnetic interaction between the magnet and at least one of a second magnetically attractive material and a second magnet-responsive device, and to provide a signal or a change in state in response to detecting at least one of the interactions.. ... Medtronic Inc

06/08/17 / #20170157319

Infusion set component with modular fluid channel element

An infusion set component of a fluid infusion device and/or a fluid infusion port component for delivery of fluid to a patient is compatible with a cooperating fluid channel module. The fluid channel module includes a body section having coupling features to mate with a base of the component. ... Medtronic Inc

06/08/17 / #20170157283

Dissolvable nasal sinus sponge

An implantable article comprising a dissolvable sponge derived from the mixture of chitosan, a first polysaccharide and a second polysaccharides. The polysaccharides have different number average molecular weight characteristics to enable the control of the mechanical features of the sponge.. ... Medtronic Inc

06/08/17 / #20170156863

Venous valve prostheses

A venous valve prosthesis includes a frame and a prosthetic valve coupled to the frame. With the venous valve prosthesis implanted in a vein, the prosthetic valve includes a closed configuration wherein an outer surface of the prosthetic valve is in contact with a wall of the vein around a circumference of the prosthetic valve to prevent blood from flowing past the prosthetic valve between the wall of the vein and the outer surface of the prosthetic valve. ... Medtronic Inc

06/08/17 / #20170156672

Accessory to allow sensing at balloon interface

A device, system and method for temperature-based lesion formation assessment and mapping functionality using an accessory usable with an over-the-wire balloon catheter. The device may include a first annular element, a plurality of wires coupled to the first annular element, and a second annular element, the plurality of wires passing from the first annular element through the second annular element and into an elongate wire conduit coupled to the second annular element. ... Medtronic Inc

06/08/17 / #20170156663

Collecting gait information for evaluation and control of therapy

A medical device delivers a therapy to a patient. The medical device or another device may periodically determine an activity level or gait parameter of the patient, and associate each determined level or parameter with a current therapy parameter set. ... Medtronic Inc

06/01/17 / #20170151422

Handle component for providing a pressurized material

A handle component of a medical device is disclosed for delivering a material to an enclosed cavity or space. The handle component includes a self-contained mechanism for holding the material and for providing or releasing the material to the enclosed cavity. ... Medtronic Inc

06/01/17 / #20170151022

Method and apparatus for surgical navigation

Disclosed is a surgical navigation system for tracking an instrument relative to a patient. The system can track a portion of the patient, an instrument, and/or both relative to image data, a coordinate system, an atlas, a morphed atlas, or combinations thereof. ... Medtronic Inc

06/01/17 / #20170150911

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

05/18/17 / #20170136244

Implantable electrical stimulator with deflecting tip lead

In some examples, an implantable medical device includes an implantable housing, a neurostimulator within the housing, a plurality of electrodes, an implantable lead coupled to the housing, and an actuator formed with the housing. The implantable lead includes at least one electrode of the plurality of electrodes and one or more conductors coupling the at least one electrode to the neurostimulator. ... Medtronic Inc

05/18/17 / #20170136241

Prioritized programming of multi-electrode pacing leads

Various techniques are disclosed for facilitating selection of at least one vector from among a plurality of vectors for pacing a chamber of a heart. In one example, a method includes presenting, by a computing device, a plurality of criteria by which each of the plurality of vectors may be prioritized, selecting at least one criterion from among a plurality of criteria by which each of the plurality of vectors may be prioritized, measuring the at least one selected criterion for each of the plurality of vectors, and automatically prioritizing, by the computing device, the plurality of vectors based on the measurement of the at least one selected criterion.. ... Medtronic Inc

05/18/17 / #20170136231

Interventional medical systems and associated methods

A shaft of an interventional medical system catheter has a distal end formed by opposing elastically deformable retention features that protrude into a lumen of the shaft, and that define an expandable distal opening of the lumen. The retention features secure an implantable medical device to the catheter by an interlocking engagement within a gap defined by a necked-in portion of a device holding member. ... Medtronic Inc

05/18/17 / #20170135831

Radiopaque enhanced cobalt alloy for stents

A stent is formed of at least a cobalt-based alloy. The cobalt-based alloy may include 10-35 weight % metal member selected from the group consisting of platinum (pt), gold (au), iridium (ir), osmium (os), rhenium (re), tungsten (w), palladium (pd), tantalum (ta), and combinations thereof; 16-21 weight % chromium (cr); 9-12 weight % molybdenum (mo); 0-25 weight % nickel (ni); and balance cobalt (co). ... Medtronic Inc

05/18/17 / #20170135740

Multi-lobe balloon for cryoablation

A cryotreatment catheter for treating tissue. The catheter may include an outer elongate body, a balloon treatment element coupled to the distal portion of the elongate body with a plurality of balloon lobes radially arranged around the outer elongate body, an inner elongate body rotatably movable within the lumen of the outer elongate body, and a fluid delivery lumen located within the lumen of the outer elongate body and at least partially within the lumen of the inner elongate body. ... Medtronic Inc

05/11/17 / #20170128734

Reducing false positive lead integrity alerts

An implantable medical device having a sensing module and a control module is configured to receive a cardiac electrical signal and sense events from the cardiac electrical signal received via electrodes carried by a medical electrical lead when the medical electrical lead is coupled to the implantable medical device. The control module coupled is configured to detect non-sustained tachyarrhythmia (nst) episodes based on sensed event intervals and determine if the sensed event intervals during the detected nst episode satisfy oversensing criteria. ... Medtronic Inc

05/11/17 / #20170128732

Connectivity detection and type identification of an implanted lead for an implantable medical device

An implantable medical device (imd) configured to detect lead connectivity as well as to identify lead type. Detecting lead connectivity provides, among other information, confirmation that the lead is connected to the imd and that such connection has good integrity between the imd and the electrodes of its leads. ... Medtronic Inc

05/11/17 / #20170128715

Medical leads and related systems that include a lumen body that is joined to a lead body and that has multiple filar lumens

Medical leads include a lumen body at an end of the lead, and the lumen body includes multiple filar lumens. The lumen body is joined to a lead body, and electrical connectors are longitudinally spaced along the lumen body. ... Medtronic Inc

05/11/17 / #20170128657

Dialysis prescription optimization for decreased arrhythmias

Systems and methods are provided for determining an estimated risk of arrhythmia during or after dialysis based on changes in serum potassium concentration of a patient and an amount of fluid removed from the patient during dialysis. The systems and methods allow for a determination of a risk that arrhythmia will occur due to the changes in potassium and fluid volume of a patient during dialysis, and for optimizing a dialysis prescription in order to minimize the risk of arrhythmia.. ... Medtronic Inc

05/11/17 / #20170128211

Method and device for percutaneous valve annuloplasty

A delivery system for delivery of a radially expandable device to an implantation site in a patient, the delivery system including an elongated tubular member comprising a distal tip and an outer surface, first and second balloon portions spaced proximally from each other and the distal tip along a length of the tubular member, an annular space between the first and second balloon portions, a plurality of clip deployment tubes extendably moveable relative to the outer surface of the tubular member, and a plurality of clips, wherein each clip is moveable within a length of one of the clip deployment tubes between a retracted position and a deployed position.. . ... Medtronic Inc

05/11/17 / #20170128207

Valve suturing and implantation procedures

A prosthesis for implantation at a native semilunar valve includes a prosthetic distal valve, which includes a pliant material configured to collapse inwardly towards a longitudinal axis of the prosthesis during diastole, and to open outwardly during systole, and a distal fixation member configured to be positioned in a downstream artery of the subject. The apparatus also includes a proximal fixation member coupled to the distal fixation member, and configured to be positioned at least partially on a ventricular side of the native semilunar valve. ... Medtronic Inc

05/11/17 / #20170128129

Low profile catheter assemblies and associated systems and methods

Catheters including elements configured to deliver energy to nerves at or near a treatment location within a body lumen. A treatment assembly is transformable between a low-profile delivery configuration wherein a pair of electrodes are in a staggered arrangement relative to each other along the longitudinal axis, and an expanded deployed configuration wherein the pair of electrodes is aligned along an electrode axis that is orthogonal relative to the longitudinal axis.. ... Medtronic Inc

05/11/17 / #20170127987

Monitoring of neuromodulation using biomarkers

Provided herein are methods, devices, compositions, and kits for monitoring neuromodulation efficacy based on changes in the level or activity of one or more target biomarkers.. . ... Medtronic Inc

05/11/17 / #20170127985

Sensor set

An improved sensor set is provided for sensing of a body characteristic, such as glucose. The sensor set includes a mounting base for the sensor and a connector to connect to the mounting base. ... Medtronic Inc

05/11/17 / #20170127982

Sensor set

A sensor set is provided for sensing of a body characteristic, such as glucose. The sensor set includes a mounting base for the sensor and a connector to connect to the mounting base and has an improved structure for connecting the mounting base to the connector. ... Medtronic Inc

05/04/17 / #20170127543

Sealed package including electronic device and power source

Various embodiments of a sealed package and method of forming such package are disclosed. The package can include a housing having an inner surface and an outer surface, and a substrate having a first major surface and a second major surface. ... Medtronic Inc

05/04/17 / #20170124930

Display element diagnostic based on operating current

The disclosed subject matter relates to diagnostic procedures and related device architectures that check the operating health of a display element of a host electronic device. In certain embodiments, a method of checking the health of the display element begins by entering a diagnostic health check mode for the host electronic device. ... Medtronic Inc

05/04/17 / #20170124929

Detecting breakage in a display element

The disclosed subject matter relates to diagnostic procedures and related device architectures that check the operating health of a display element of a host electronic device. In certain embodiments, a display apparatus for an electronic device includes a display element, a display controller, a conductive trace, and a detection circuit. ... Medtronic Inc

05/04/17 / #20170120451

Method and apparatus to select vibration

Disclosed is an assembly for holding a tool. The assembly may selectively reduce and/or eliminate vibrations received and felt by a user. ... Medtronic Inc

05/04/17 / #20170120058

Far-field p-wave sensing in near real-time for timing delivery of pacng therapy in a cardiac medical device and medical device system

A medical device system for controlling ventricular pacing therapy during cardiac resynchronization therapy that includes a sensing device to sense a cardiac signal and emit a trigger signal in response to the sensed cardiac signal, a therapy delivery device to deliver the ventricular pacing in response to the emitted trigger signal, and a processor configured to identify a fiducial point of the cardiac signal sensed in real-time, set a window comprising a start point positioned a first distance prior to the fiducial point and an endpoint positioned a second distance less than the first distance subsequent to the fiducial point, determine a signal characteristic of the cardiac signal within the window, determine whether a p-wave is detected in response to the signal characteristic, determine whether an atrio-ventricular interval timer has expired, and emit a trigger signal to deliver the ventricular pacing timed off of the local maximum in response to the p-wave being detected and not timed off of the local maximum in response to the timer being expired.. . ... Medtronic Inc

05/04/17 / #20170119999

Interventional medical systems, associated assemblies and methods

In an interventional medical system, a tethering member of a catheter assembly and a holding member of a relatively compact implantable medical device are configured to interlock with one another. The tethering member includes an elongate shaft portion and a connector portion coupled to a distal end of the shaft portion, wherein the connector portion is configured to pass through a proximal-facing opening of a cavity defined by the device holding member, and to interlock with the holding member within the cavity. ... Medtronic Inc

05/04/17 / #20170119968

Safeguarding measures for a closed-loop insulin infusion system

Processor-implemented methods of controlling an insulin infusion device for a user are provided here. A first method obtains a current insulin on board (iob) value that estimates active insulin in the user, and compensates a calculated insulin infusion rate in response to the obtained iob value. ... Medtronic Inc

05/04/17 / #20170119966

Coordination of control commands in a medical device system based on synchronization status between devices

A medical device system includes at least one controllable patient-worn or patient-carried medical device, and a plurality of controller devices that are capable of independently controlling features or functions of the patient medical device. Control commands and other data is wirelessly communicated among the patient medical device and the multiple controller devices. ... Medtronic Inc

05/04/17 / #20170119953

Method and apparatus for irrigation

Disclosed is an irrigation system. The irrigation system includes a manual pump. ... Medtronic Inc

05/04/17 / #20170119952

Method and apparatus for irrigation

Disclosed is an irrigation system. The irrigation system includes a manual pump and refill. ... Medtronic Inc

05/04/17 / #20170119920

Method of making flexible bioresorbable hemostatic packing and stent having a preselectable in-vivo residence time

The invention provides a method of making flexible bioresorbable foam having hemostatic properties and a preselectable in-vivo residence time. A blend of crosslinked collagen blended and a hyaluronic acid component is prepared. ... Medtronic Inc

05/04/17 / #20170119463

Multi-electrode apposition judgment using pressure elements

Apparatus and methods for determining positioning of a energy delivery element include deploying a energy delivery element at a treatment site proximal to a vessel wall; using a multi-region pressure sensing apparatus to sense pressures applied in a plurality of directions about the energy delivery element; and determining an orientation of the energy delivery element based on the pressures measured in the plurality of directions about the energy delivery element.. . ... Medtronic Inc

05/04/17 / #20170119434

Multi-purpose medical tools and methods for gaining access to extravascular spaces in a patient

This disclosure describes various examples of multi-purpose tools and associated methods for safely gaining access to extravascular spaces. The multi-purpose tools described herein are particularly suited for safely gaining access to the sub-sternal space underneath the sternum/ribcage as well as tunneling subcutaneously above the ribcage for the purpose of positioning of a medical electrical lead. ... Medtronic Inc

05/04/17 / #20170119363

Flexible member for angled system

Disclosed is an instrument that may an interior tube and an external tube. The exterior tube may be fixed relative to an interior tube, where the interior tube may rotate or oscillate relative to the exterior tube. ... Medtronic Inc

05/04/17 / #20170119331

Apparatus and method for maintaining image quality while minimizing x-ray dosage of a patient

A system including initialization, imaging, alignment, processing, and setting modules. The initialization module obtains patient parameters for a patient and procedure and surgeon parameters. ... Medtronic Inc

05/04/17 / #20170119274

System and method to determine premature ventricular contraction (pvc) type and burden

A system and method of monitoring and reporting premature ventricular contractions (pvcs) detected in a patient is described. The method includes monitoring an electro-cardiogram (ecg) signal of the patient with an adherent device that includes a plurality of electrodes. ... Medtronic Inc

04/27/17 / #20170113055

Method and apparatus for detecting arrhythmias in a subcutaneous medical device

A method and apparatus for detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector and a second sensing vector, initiating charging of an energy storage device in response to the sensed cardiac signals, and determining whether a predetermined number of morphologies associated with cardiac signals sensed along the first sensing vector and the second sensing vector during corresponding sensing windows are indicative of the cardiac event.. . ... Medtronic Inc

04/27/17 / #20170113051

Rate responsive cardiac pacing control using posture

An implantable rate responsive pacemaker includes a sensor module configured to produce an activity signal correlated to a metabolic demand of a patient and a posture signal correlated to patient posture. The pacemaker further includes a pulse generator configured to generate and deliver pacing pulses to a patient's heart via a pair of electrodes coupled to the pacemaker. ... Medtronic Inc

04/27/17 / #20170113048

Brain stimulation therapy

Deep brain stimulation (dbs) electrodes are positioned within (or adjacent to) white matter fiber tracts in a brain of patient. The dbs electrodes may be positioned near one or more stimulation sites within the white matter fiber tracts. ... Medtronic Inc

04/27/17 / #20170113035

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

04/27/17 / #20170113023

Sheathless guide catheter assembly

A guide catheter assembly includes a dilator and a guide catheter. The dilator includes a dilator lumen extending from a distal opening at a distal end to a proximal opening at a proximal end, and a side exit port proximal of the distal opening and in communication with the dilator lumen. ... Medtronic Inc

04/27/17 / #20170113001

Medical devices and related methods and systems for data transfer

Medical devices and related systems and operating methods for communicating data therewith are provided. An exemplary method involves the medical device detecting an interfacing device coupled to the medical device via a physical communications medium, initializing a wireless communications session with the interfacing device in response to detecting the interfacing device, modulating an electrical signal between the interfacing device and the medical device to transmit data from the medical device to the interfacing device via the physical communications medium, and receiving communications, such as acknowledgments of the transmitted data, from the interfacing device via the wireless communications session.. ... Medtronic Inc

04/27/17 / #20170112991

Recirculating dialysate fluid circuit for blood measurement

A blood based solute monitoring system for measuring at least one blood solute species that has a first recirculation flow path in fluid communication with a dialyzer. The first recirculation flow path is configured to allow a fluid to recirculate through a dialyzer such that the concentration of at least one solute species in the fluid becomes equilibrated to the solute species concentration of the blood in a blood compartment of the dialyzer. ... Medtronic Inc

04/27/17 / #20170112620

Systems and methods of sealing a deployed valve component

A sealing system for sealing a valve component in a radially expanded deployed configuration includes a valve component and an expandable sealing component. The valve component includes a frame and a prosthetic valve coupled to the frame. ... Medtronic Inc

04/27/17 / #20170112619

Systems and methods of sealing a deployed valve component

A sealing system for sealing a valve component in a radially expanded deployed configuration to a wall of a native valve includes a valve component and an expandable sealing ring. The valve component has an inflow portion and outflow portion and includes a frame and a prosthetic valve coupled to the frame. ... Medtronic Inc

04/27/17 / #20170112558

Post ablation tissue analysis technique

A device, system, and method for identifying an area of ablated tissue. Specifically, the device, system, and method may include a device having one or more fiber sensors and a processing unit for receiving emitted and/or reflected light from tissue and making one or more determinations based on the received light regarding ablated tissue, tissue contact, and/or occlusion. ... Medtronic Inc

04/27/17 / #20170112479

Anchor deployment for implantable medical devices

A tool for deploying an anchor sleeve onto an implantable device includes handle and base members, which may be fitted together by an operator. The operator may select the handle member from a plurality thereof included in a kit; and the base member, also included in the kit, includes a rail segment with which a gripping portion of the selected handle member may be engaged, for example, via guidance from a marked portion of the base member. ... Medtronic Inc

04/27/17 / #20170112390

Atrial arrythmia detection using a pressure signal in an implantable medical device and medical system

A medical device system and method for monitoring a cardiovascular pressure signal to identify an atrial arrhythmia that includes a sensor sensing a cardiovascular pressure signal and a pressure analysis module that is configured to determine at least one of an interval dispersion and an amplitude dispersion of the sensed pressure signal, compare the at least one of an interval dispersion and an amplitude dispersion of the sensed pressure signal to a dispersion threshold, and determine whether the atrial arrhythmia is occurring in response to the comparing. . ... Medtronic Inc

04/20/17 / #20170106187

Overvoltage protection circuitry

Overvoltage protection circuitry configured to protect internal integrated circuits within an implantable device in the presence of a high voltage event such as defibrillation or electrocautery. The circuitry allows for an internal node to rise above the voltage level of the high voltage event to insure that an overvoltage protection element is triggered, even if the voltage level of the high voltage event is below the voltage trigger level of the overvoltage protection element.. ... Medtronic Inc

04/20/17 / #20170106144

Medical devices and related event pattern presentation methods

Infusion devices and related patient management systems and methods are provided. An exemplary method of presenting information pertaining to operation of an infusion device to deliver fluid to a body of a patient involves identifying a plurality of event patterns within different monitoring periods based on measurement values for the patient's condition, prioritizing the identified event patterns based on one or more prioritization criteria, filtering the prioritized list of identified event patterns based on one or more filtering criteria, and then providing a respective pattern guidance display for each identified event pattern remaining in the filtered prioritized list.. ... Medtronic Inc

04/20/17 / #20170106139

Personal medical device and method of use with restricted mode challenge

A personal medical device and method of use with restricted mode challenge having a personal medical device including: a memory operable to store programming code; a processor operably connected to the memory; a user input having input buttons to receive input from the user; and a user display to display output to the user. The processor is operable to: detect a user request for entry to the restricted mode; display a user input image on the user display, the user input image including display buttons corresponding to the input buttons; highlight one of the display buttons; detect actuation of one of the input buttons on the user input; and deny entry to the restricted mode when the one of the input buttons does not correspond to the highlighted display button.. ... Medtronic Inc

04/20/17 / #20170105784

Therapy to treat pelvic floor dysfunction and/or pain

In some examples, the disclosure describes devices, systems, and techniques for treating pain and/or pelvic floor dysfunction of a patient. For example, a method for treating pelvic floor dysfunction in a patient may include delivering, via a medical device, a therapy to one or more nerve fibers, wherein the therapy is configured to at least temporarily deactivate the one or more nerve fibers; and determining that the one or more nerve fibers was at least temporarily deactivated by delivering the therapy.. ... Medtronic Inc

04/20/17 / #20170105780

Temperature and strain measurement technique during cryoablation

A device, system, and method for identifying an area of ablated tissue and/or assessing contact between a treatment element and tissue and/or assessing occlusion of a body lumen by the treatment element. Specifically, the device, system, and method may include a device having one or more fiber sensors and a processing unit for receiving emitted and/or reflected light from tissue and making one or more determinations based on the received light regarding ablated tissue, tissue contact, and/or occlusion. ... Medtronic Inc

04/20/17 / #20170105762

Lead extraction

A first shaft defining a proximal end, a distal end, and a first lumen there between sized to receive a medical lead. The first shaft includes a cutting element disposed at its distal end. ... Medtronic Inc

04/20/17 / #20170105758

Scoring balloon catheter

A scoring balloon catheter includes a scoring balloon, a distal control balloon positioned distal of the scoring balloon, a proximal control balloon positioned proximal of the scoring balloon, and a scoring element coupled to the proximal and distal control balloons. The scoring balloon is configured to expand radially and contact the scoring element.. ... Medtronic Inc

04/20/17 / #20170105635

Intracardiac medical device with pressure sensing

An implantable medical device includes a housing having a proximal end and a distal end, a control module enclosed by the housing, and a pressure sensor electrically coupled to the control module. A fixation member is coupled to the housing distal end for anchoring the housing distal end at a fixation site within a cardiovascular system of a patient, and the pressure sensor is spaced apart proximally from the fixation member.. ... Medtronic Inc

04/13/17 / #20170100597

Sealed implantable medical device and method of forming same

Various embodiments of a sealed package and a method of forming the package are disclosed. The package can include a housing extending along a housing axis between a first end and a second end, and an electronic device disposed within the housing that includes a device contact. ... Medtronic Inc

04/13/17 / #20170100582

Interventional medical systems, catheters, and subassemblies

An engagement subassembly of a catheter, for retrieving an implanted medical device, may include at least three segments or, alternately, capture members being spring biased outward from a longitudinal axis of the subassembly, wherein a device receptacle of the catheter forces the capture members/segments, against the spring bias thereof, toward the axis. Each capture member includes a spring-biased wire and a grip, which is located between proximal and distal portions of the corresponding wire, and which is configured to interlock within a gap between a device attachment feature and housing; a length of each wire distal portion may be approximately equal to that of the device housing. ... Medtronic Inc

04/13/17 / #20170100580

Implantable modular electrode array assembly

This disclosure describes various modular electrode assemblies. For example, an implantable modular electrode assembly may include a hub including a plurality of electrical contacts configured to receive electrical signals from an implantable medical device, a first electrode module including a first substrate and a first plurality of electrodes on the first substrate, and a second electrode module including a second substrate and a second plurality of electrodes on the second substrate. ... Medtronic Inc

04/13/17 / #20170100529

Intersession monitoring for blood fluid removal therapy

Methods for monitoring patient parameters and blood fluid removal system parameters include identifying those system parameters that result in improved patient parameters or in worsened patent parameters. By comparing the patient's current parameters to past parameters in response to system parameters or changes in system parameters, a blood fluid removal system may be able to avoid future use of parameters that may harm the patient and may be able to learn which parameters are likely to be most effective in treating the patient in a blood fluid removal session.. ... Medtronic Inc

04/13/17 / #20170100427

Polysaccharide particle mixture

Tissue and other body structures may be protected using a dry, free-flowing, sterilized mixture of chitosan particles and oxidized polysaccharide particles in sealed packaging. The mixture may assist in returning an injured, inflamed or surgically repaired surface to a normal state, e.g., through one or more healing mechanisms such as modulation of an inflammatory response, phagocytosis, mucosal remodeling, reciliation or other full or partial restoration of normal function.. ... Medtronic Inc

04/13/17 / #20170100247

Distal tip assembly for a heart valve delivery catheter

A catheter assembly according to the present invention includes a handle assembly, an introducer sheath, and a distal tip assembly. The distal tip assembly can include first and second retaining sleeves and a slotted tip with a non-traumatic tip guard positioned at the proximal end of the slotted tip. ... Medtronic Inc

04/13/17 / #20170100246

Transcatheter delivery system and method with controlled expansion and contraction of prosthetic heart valve

A delivery system for use with a prosthetic heart valve having a stent frame to which a valve structure is attached, includes a shaft assembly including a distal end and a coupling structure disposed near the distal end and configured to be coupled to a distal end of the prosthetic heart valve. The system includes a sheath assembly defining a lumen sized to slidably receive the shaft assembly. ... Medtronic Inc

04/13/17 / #20170100242

Stents for prosthetic heart valves and methods of making same

A single piece stent construction having a plurality of commissure posts, each of which extends upwardly from a solid ring along a bend line and generally along a central longitudinal axis of the stent.. . ... Medtronic Inc

04/13/17 / #20170100236

Heart valves prostheses and methods for percutaneous heart valve replacement

Prosthetic heart valve devices and associated methods for percutaneous heart valve replacement are disclosed herein. A transcatheter valve prosthesis configured in accordance herewith includes a frame having a valve support and one or more support arms coupled thereto. ... Medtronic Inc

04/13/17 / #20170100183

Method for closure and ablation of atrial appendage

A device, system, and method for ligating the left atrial appendage without creating pro-arrhythmic tissue. The device may generally include a snare including a thermally transmissive distal portion and a suture including a distal portion, both distal portions having a lasso-shaped configuration that may be positioned proximate the base of the left atrial appendage. ... Medtronic Inc

04/13/17 / #20170100161

Interventional medical systems and methods for delivering a medical electrical lead to an epicardial implant site

An operator advances a delivery catheter through a guiding catheter, after positioning an inflatable sleeve of the guiding catheter in proximity to a target implant site on an epicardial surface. By inflating the positioned sleeve, the operator displaces the epicardial surface to create a gap that accommodates a reach of the delivery catheter. ... Medtronic Inc

04/13/17 / #20170100141

Occlusion bypassing apparatus with a re-entry needle and a distal stabilization balloon

An occlusion bypassing apparatus for re-entering the true lumen of a vessel after subintimally bypassing an occlusion in a vessel. The apparatus includes an outer shaft component, a needle component, and an inflatable balloon. ... Medtronic Inc

04/13/17 / #20170100053

Medical device and methods of monitoring a patient with renal dysfunction

Embodiments relate to a method of monitoring physiological parameters of a patient with renal dysfunction. The method includes electrically connecting one or more medical device electrodes with a measurement site of a patient, generating one or more first stimulation signals sufficient to provide input physiological parameters specific to the patient, measuring one or more first bioimpedance values from the generated signals, analyzing at least one of the input physiological parameters within the one or more first bioimpedance values and generating a personalized dialysis program. ... Medtronic Inc

04/13/17 / #20170100036

Ultralow-power implantable hub-based wireless implantable sensor communication

Communication power in a medical device system is managed by providing power from a power supply to a communication circuit in a sensing device according to a first communication wake up mode set for a first time period and according to a second communication wake up mode set for a second time period. The second communication wake-up mode is established by a second device.. ... Medtronic Inc

04/06/17 / #20170099698

Protocol translation device

A protocol translation device for use with a first apparatus having a battery compartment and communicating over a first wireless protocol, and for use with a second apparatus communicating over a second wireless protocol. The protocol translation device can include a battery casing sized to fit within the battery compartment, the battery casing defining an interior volume; a translator having a first antenna operable to communicate with the first apparatus, a second antenna operable to communicate with the second apparatus, and a translator circuit operably connected between the first antenna and the second antenna; and a battery operably connected to power the translator. ... Medtronic Inc

04/06/17 / #20170098041

Data driven schema for patient data exchange system

A patient data exchange system comprises at least one device. Each of the devices implements an interface. ... Medtronic Inc

04/06/17 / #20170095679

Catheter-based devices and associated methods for immune system neuromodulation

Catheter-based devices and associated methods for immune system neuromodulation of human patients are disclosed herein. One aspect of the present technology is directed to methods of treating a human patient diagnosed with an immune system condition. ... Medtronic Inc

04/06/17 / #20170095665

Method for calculating an estimate of a time-varying physiological variable

A medical device performs a method for computing an estimate of a physiological variable. The method includes sensing a physiological signal and measuring an event of the physiological signal. ... Medtronic Inc

04/06/17 / #20170095662

Interventional medical systems, catheters, and methods

In a system for retrieving an implanted device, a flared inner surface of a catheter tubular sidewall may define a distal-most opening of a device receptacle; the opening has a first diameter equal to that of the receptacle, and a second diameter, coincident with a distal-most edge of the tubular sidewall, and at least 5% greater than the receptacle diameter. Alternately, a retrieval tool in sliding engagement within a lumen of a catheter includes a shaft assembly, through which a snare member passes, and which includes a collapsible spring-biased perimeter sidewall; the sidewall defines a capture member passageway approximately coaxial, and in fluid communication with a lumen of the shaft assembly. ... Medtronic Inc

04/06/17 / #20170095610

Personal injection device

A personal injection device wearable by a user to deliver fluid from a reservoir to the user, the personal injection device including: a quartz oscillator operable to generate a constant frequency signal; a control circuit operably connected to the quartz oscillator, the control circuit being operable to generate a drive signal in response to the constant frequency signal; a stator operably connected to the control circuit and defining a rotor gap, the stator being operable to generate an oscillatory field in the rotor gap in response to the drive signal; a magnetic rotor disposed in the rotor gap, the magnetic rotor being operable to rotate in response to the oscillatory field; and a pump operably connected to the magnetic rotor, the pump being operable to move the fluid from the reservoir to the user in response to the rotation of the magnetic rotor.. . ... Medtronic Inc

04/06/17 / #20170095594

Phospholipid reduction in biological tissue

A method of reducing phospholipid concentration in biological tissue. The biological tissue is immersed in an isopropyl alcohol solution for an effective period of time. ... Medtronic Inc

04/06/17 / #20170095330

Surgical delivery device and method of use

A delivery device for a stented heart valve comprises a handle, an elongate shaft extending from a distal end of the handle, and a conical housing having a proximal end coupled to the elongate shaft and an open distal end, the conical housing having a conical lumen therein with a first internal diameter adjacent to the proximal end of the conical housing and a larger second internal diameter adjacent to the open distal end of the conical housing.. . ... Medtronic Inc

04/06/17 / #20170095290

Methods and systems to combine rf ablation therapy with device navigation

Methods and systems for combining ablation therapy with navigation of the ablation device. An ablation system may be configured for use with one of two methods to prevent loss of navigation signals during ablation energy delivery. ... Medtronic Inc

04/06/17 / #20170095260

Dynamic locking device

A surgical instrument including a tool, a handpiece, and a locking member. The handpiece includes both a coupling member configured to cooperate with the tool, and a driver for rotating the tool. ... Medtronic Inc

03/30/17 / #20170087533

Zirconium phosphate recharging customization

The invention relates to devices, systems, and methods for recharging zirconium phosphate in a reusable zirconium phosphate sorbent module. The devices, systems, and methods provide for customization of the zirconium phosphate effluent ph based on the needs of the user and system. ... Medtronic Inc

03/30/17 / #20170087370

User interface with 3d environment for configuring stimulation therapy

The disclosure describes a method and system that allows a user to configure electrical stimulation therapy by defining a three-dimensional (3d) stimulation field. After a stimulation lead is implanted in a patient, a clinician manipulates the 3d stimulation field in a 3d environment to encompass desired anatomical regions of the patient. ... Medtronic Inc

03/30/17 / #20170087360

Neural stimulation to treat sleep apnea

A removable oral device is disclosed. The removable oral device comprises a mounting retainer configured to align with a set of teeth. ... Medtronic Inc

03/30/17 / #20170087357

Lead electrode for use in an mri-safe implantable medical device

A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section capacitively coupled to the first section and configured to be electrically coupled to the patient's body.. ... Medtronic Inc

03/30/17 / #20170087351

Anchors including rigid bodies defining full length slots for use with implantable medical leads

Anchors for use with implantable medical leads include an elastic body containing one or more rigid bodies that have longitudinal free edges. The longitudinal free edges run from end to end to define full length slots. ... Medtronic Inc

03/30/17 / #20170087300

Infusion devices and related rescue detection methods

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 obtaining measurement values for a physiological condition influenced by the fluid, autonomously operating the infusion device to deliver the fluid based at least in part on the measurement values, and detecting a nonactionable condition based on the measurement values. ... Medtronic Inc

03/30/17 / #20170087293

Extracorporeal blood circuit reservoir with angled venous inlet luer port

An extracorporeal reservoir device including a housing, a venous inlet sub-assembly, and a venous filter. The venous sub-assembly is mounted to the housing and includes a downtube and a luer port connector body. ... Medtronic Inc

03/30/17 / #20170087291

Selective sorbent-based regeneration dialysis systems and methods

Systems and methods are provided for performing selective sorbent-based regeneration of dialysate. The systems and method provide for dialysate regeneration to be carried out intermittently throughout a dialysis session, decreasing the necessary amounts of sorbent materials and infusates to conduct dialysis. ... Medtronic Inc

03/30/17 / #20170086996

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

03/30/17 / #20170086856

Surgical cutting instrument with near-perimeter interlocking coupling arrangement

A blade coupling mechanism for a hand-held surgical cutting instrument includes a first coupling member including a first blade-contacting surface and a first outer perimeter sidewall adjacent the first blade contacting surface. It also includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. ... Medtronic Inc

03/30/17 / #20170086740

Implantable medical device including a molded planar transformer

The present disclosure provides methods and techniques associated with a planar transformer for an apparatus. The planar transformers include a substrate carrying electronic components and a continuous core that is formed by distributing the encapsulant material uniformly around the substrate unit to define a consistent cross-sectional area for the magnetic path. ... Medtronic Inc

03/23/17 / #20170080241

System and method for interacting with an implantable medical device

One example of a system includes a local user system to interact with an implantable medical device and a local input device communicatively coupled to the local user system to generate local events. To operate the local user system, the local user system is to receive and process local events from the local input device and receive and process remote events from a remote user system communicatively coupled to the local user system over a network communication link. ... Medtronic Inc

03/23/17 / #20170080233

Electrical stimulation therapy for inducing patient sensations

Electrical stimulation therapy is provided to a patient in order to induce a patient sensation. The patient sensation may be selected from a number of patient sensations. ... Medtronic Inc

03/23/17 / #20170080232

Electrical stimulation therapy for inducing patient sensations

Electrical stimulation therapy is provided to a patient in order to induce a patient sensation. The patient sensation may be selected from a number of patient sensations. ... Medtronic Inc

03/23/17 / #20170080230

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

03/23/17 / #20170080214

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

03/23/17 / #20170080178

Guide extension catheter with perfusion openings

A guide extension catheter includes a proximal shaft, a distal shaft, and a plurality of perfusion openings. The distal shaft includes a jacket and a helical coil structure embedded in the jacket, the distal shaft defining a lumen. ... Medtronic Inc

03/23/17 / #20170080151

Adjustments to posture state definition

Devices, systems, and techniques for adjusting posture state definitions used to determine a posture state of a patient are described. In one example, a system may include an external programmer that includes a user interface configured to present an indication of a first posture state determined from the data representative of the patient posture during the period of time and a set of posture state definitions that at least partially define a plurality of posture states. ... Medtronic Inc

03/23/17 / #20170079794

Transapical delivery device and method of use

A delivery device for a stented heart valve comprises a handle, an inner catheter shaft extending from the handle and having an enlarged bumper element at a distal end, an outer catheter shaft extending from the handle and slidably coupled around the inner catheter shaft, and a retraction mechanism for controlling longitudinal movement of the outer catheter shaft relative to the inner catheter shaft. The outer catheter shaft includes a generally cylindrical housing at a distal end that is structured to receive the bumper element therein.. ... Medtronic Inc

03/23/17 / #20170079779

Prosthetic valve with sealing members and methods of use thereof

Embodiments of the present invention provide prosthetic valves having sealing members on the external surface thereof. The prosthetic heart valves of the present invention are preferably delivered by catheter directly through the apex of the heart or by other close range transcatheter delivery methods. ... Medtronic Inc

03/23/17 / #20170079778

Fixation band for affixing a prosthetic heart valve to tissue

A prosthetic heart comprising a tube having proximal and distal ends, and a central lumen, a tubular frame having proximal and distal ends, and a central lumen, the tubular frame, comprising a plurality of radially-extending members, being disposed on an outside wall of the tube, the distal end of the tube being everted around the distal end of the tubular frame and extending proximally along the tubular frame and over the radially-extending members, and a valve member attached to the tube.. . ... Medtronic Inc

03/23/17 / #20170079683

Arcuate introducer

An introducer for a medical lead, the introducer having an arcuate component for creating an arcuate path in a patient. When used to percutaneously implant a medical device such as a medical lead with electrodes, the implanted lead has an arcuate configuration. ... Medtronic Inc

03/23/17 / #20170079671

Occlusion bypassing apparatus with a re-entry needle and a stabilization tube

An occlusion bypassing apparatus for re-entering the true lumen of a vessel after subintimally bypassing an occlusion in a vessel. The apparatus includes an outer shaft component having a needle lumen there-through. ... Medtronic Inc

03/23/17 / #20170079634

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

03/23/17 / #20170079585

System and method for interacting with an implantable medical device

One example of a system includes a local user system to interact with an implantable medical device and a local input device communicatively coupled to the local user system to generate local events. To operate the local user system, the local user system is to receive local events from the local input device and remote events from a remote user system communicatively coupled to the local user system via a medical device remote access system. ... Medtronic Inc

03/23/17 / #20170079564

Method of and system for stabilization of sensors

A blood glucose sensing system includes a sensor and a sensor electronics device. The sensor includes a plurality of electrodes. ... Medtronic Inc

03/16/17 / #20170072189

Diffusion bonded lead connector

A medical device lead connector includes electrically conducting contact rings spaced apart by an electrically insulating ring and in axial alignment. The electrically conducting contact ring and the insulating ring having an interface bond on an atomic level.. ... Medtronic Inc

03/16/17 / #20170072140

Reservoir plunger position monitoring and medical device incorporating same

Apparatus are provided for infusion devices and related control systems and methods. In one embodiment, an infusion device includes a voided portion adapted to receive a shaft portion that includes a shaft coupled to a plunger of a reservoir. ... Medtronic Inc

03/16/17 / #20170072136

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

03/16/17 / #20170072135

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

03/16/17 / #20170071737

Delivery system for deployment of medical devices

A catheter that comprises a sheath that is connected at opposing ends to concentric tubes that move relative to each other in a manner that alternatively covers and exposes a medical device loaded onto the catheter. A portion of the sheath is arranged so as to invert upon itself so that axial movement of one tube relative to the other simultaneously moves the inversion point over or away from the device, alternatively covering or exposing the device.. ... Medtronic Inc

03/09/17 / #20170069775

Power source and method of forming same

Various embodiments of a power source and method of forming such power source are disclosed. The power source can include a substrate and a cavity disposed in a first major surface of the substrate. ... Medtronic Inc

03/09/17 / #20170065821

Managing therapy delivery based on physiological markers

Devices, systems, and methods may manage therapy delivery to a patient based on one or more physiological markers. In some examples, a method includes detecting a physiological marker that occurs prior in time to a dysfunctional phase of a physiological cycle, wherein a dysfunctional state of the physiological cycle occurs during the dysfunctional phase without treatment, responsive to detecting the physiological marker, initiating a first phase of the physiological cycle having a duration of time. ... Medtronic Inc

03/09/17 / #20170065819

Stimulation aggressor management for biomedical signal acquisition systems

Techniques, devices, and systems for isolating, by isolation circuitry connected to a power source, a voltage from the power source, receiving, by sensing circuitry, the isolated voltage, receiving, by the sensing circuitry, a reference voltage from an implantable reference electrode via a reference node, and sensing, by the sensing circuitry, the biomedical signal with two or more implantable sensing electrodes using the isolated voltage with respect to the reference voltage.. . ... Medtronic Inc

03/09/17 / #20170065766

Inductively rechargeable external energy source, charger, system and method for a transcutaneous inductive charger for an implantable medical device

A mechanism for transferring energy from an external power source to an implantable medical device is disclosed. A sensor may be used to measure a parameter that correlates to a temperature of the system that occurs during the transcutaneous coupling of energy. ... Medtronic Inc

03/09/17 / #20170065412

Stented heart valve devices and methods for atrioventricular valve replacement

A compressible and expandable stent assembly for implantation in a body lumen such as a mitral valve, the stent assembly including at least one stent barrel that is shaped and sized so that it allows for normal operation of adjacent heart structures. One or more stent barrels can be included in the stent assembly, where one or more of the stent barrels can include a cylinder with tapered edge.. ... Medtronic Inc

03/09/17 / #20170065337

Methods for catheter-based renal neuromodulation

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

03/09/17 / #20170065336

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

03/09/17 / #20170065297

Transeptal needle with low tip pressure design

A method and device for puncturing the atrial septum to gain access to the left atrium without causing unintended injury to left atrial tissue. Specifically, the device includes a transseptal needle having a compressible shaft and a puncturing tip. ... Medtronic Inc

03/09/17 / #20170065263

Apical closure system

Aspects of the present invention provide apparatuses and methods for closing an apical hole in a heart of a subject, including a hole-closure device that includes a tissue-attachment portion configured to attach to cardiac tissue around the apical hole, and a collapsible portion coupled to the tissue-attachment portion and configured to close the hole by collapsing inwardly inside the apical hole.. . ... Medtronic Inc

03/09/17 / #20170065212

Method and/or system for determining blood glucose reference sample times

Subject matter disclosed herein relates to monitoring and/or controlling blood glucose levels in patients. In particular, times for obtaining metered blood glucose samples of a patient may be altered based, at least in part, on a blood glucose level of said patient observed from a blood glucose sensor.. ... Medtronic Inc

03/02/17 / #20170056677

Systems, apparatus and methods facilitating communication between an implantable device and an external device

Techniques for facilitating communication between an implantable device and an external device are provided. In one example, an implantable device includes a data packet component and a communication component. ... Medtronic Inc

03/02/17 / #20170056670

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

03/02/17 / #20170056663

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

03/02/17 / #20170056631

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

03/02/17 / #20170056619

Catheters with enhanced flexibility and associated devices, systems, and methods

A neuromodulation catheter includes an elongate shaft and a neuromodulation element. The shaft includes two or more first cut shapes and two or more second cut shapes along a helical path extending around a longitudinal axis of the shaft. ... Medtronic Inc

03/02/17 / #20170056602

Resorbable, drug-eluting submucosal turbinate implant device and method

Implants are placed in turbinate mucosal tissue using a surgical device having a proximal grip portion and a distal hollow sharp needle portion that is manipulated using the grip portion and inserted submucosally into mucosal turbinate tissue. One or more biodegradable, drug-eluting solid implants are disposed within the needle. ... Medtronic Inc

03/02/17 / #20170056589

Fluid reservoir seating procedure for a fluid infusion device

A fluid infusion device including a housing that receives a sealed fluid reservoir is presented here. The fluid infusion device includes a drive motor assembly, an actuation mechanism, a force sensor, and at least one processor in the housing. ... Medtronic Inc

03/02/17 / #20170056215

Stent assemblies including passages to provide blood flow to coronary arteries and methods of delivering and deploying such stent assemblies

An anchor stent assembly to be used with a valve component includes a generally tubular frame having a first end and a second end, the frame defining a central passage and a central axis. A secondary passage is defined between n inner surface of the frame and an outer surface of an inner rib disposed closer to the central axis than the frame. ... Medtronic Inc

03/02/17 / #20170056167

Mitral prosthesis and methods for implantation

A mitral valve prosthesis and methods for implanting the prosthesis transapically (i.e., through the apex of the heart), transatrially (i.e., through the left atrium of the heart), and transseptally (i.e., through the septum of the heart). The prosthesis generally includes a self-expanding frame and two or more support arms. ... Medtronic Inc

03/02/17 / #20170056164

Transcatheter valve prostheses having a sealing component formed from tissue having an altered extracellular matrix

A transcatheter valve prosthesis including a sealing component formed from a tissue having an altered extracellular matrix. The altered extracellular matrix includes at least one weakened connection such that the tissue is configured to swell or expand upon contact with a fluid. ... Medtronic Inc

03/02/17 / #20170056162

Prosthetic valve system having a docking component and a prosthetic valve component

A two-component valve prosthesis system includes a docking component and a prosthetic valve component that is configured to be delivered separately from the docking component. The docking component has a compressed configuration for percutaneous delivery within a vasculature and an expanded configuration for deployment within a native heart valve. ... Medtronic Inc

03/02/17 / #20170056115

Systems, apparatus, methods and computer-readable storage media facilitating surgical procedures utilizing augmented reality

Techniques facilitating augmented reality-assisted surgery are provided. In one example, a method is provided that includes receiving, by a first device including a processor, image data associated with an external portion of a tool located within a body of a patient, wherein the image data includes first information indicative of a first fiducial marker on the external portion of the tool. ... Medtronic Inc

03/02/17 / #20170056099

Multipurpose electrosurgical device

A multipurpose electrosurgical device is configurable in a bipolar mode and a monopolar mode using a three-conductor electrical input. The device includes a switching mechanism that provides signals corresponding with a first function and a second function in a monopolar mode. ... Medtronic Inc

03/02/17 / #20170056088

Cryogenic balloon device with electroporation treatment region

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

03/02/17 / #20170056087

Neuromodulation cryotherapeutic devices and associated systems and methods

Neuromodulation cryotherapeutic devices and associated systems and methods are disclosed herein. A cryotherapeutic device configured in accordance with a particular embodiment of the present technology can include an elongated shaft having distal portion and a supply lumen along at least a portion of the shaft. ... Medtronic Inc

03/02/17 / #20170056026

Surgical burs

A surgical bur is disclosed having cutting and trailing edges and associated flutes and lands. Each flute includes a cutting edge. ... Medtronic Inc

03/02/17 / #20170055892

Foldover sensors and methods for making and using them

The invention disclosed herein includes sensors having three dimensional configurations that allow expansive “360°” sensing (i.e. Sensing analyte from multiple directions) in the environments in which such sensors are disposed. ... Medtronic Inc

02/23/17 / #20170053552

Management and prioritization of the delivery of glycemic insight messages

A computer-implemented system and related method of managing use of a diabetes management device are presented here. An embodiment of the method obtains a number of glycemic insight messages for delivery to a user device associated with a user of the diabetes management device, each of the glycemic insight messages conveying information regarding a relationship between an insight event derived from patient-specific historical input data and a glycemic outcome. ... Medtronic Inc

02/23/17 / #20170053084

Data analytics and reporting of glucose-related information

A computer-implemented system and related method of reporting glucose information for a user of a diabetes management device are presented here. An embodiment of the method obtains input data for the user of the diabetes management device, and identifies a glycemic response event based on an analysis of the obtained input data. ... Medtronic Inc

02/23/17 / #20170053072

Data analytics and insight delivery for the management and control of diabetes

A computer-implemented system and related method of managing use of a diabetes management device are presented here. An embodiment of the method obtains input data for a user of the diabetes management device, and compares the input data against historical event/outcome combinations maintained for the user. ... Medtronic Inc

02/23/17 / #20170050031

Varying lead configuration implantable medical device

An implantable electrical medical device includes (i) electronics configured to generate or receive an electrical signal and containing a plurality of channels through which the electrical signal may be transmitted; (ii) a first lead receptacle having a defined number of internal contacts, wherein each of the internal contacts are independently operably coupled to a discrete channel of the electronics; and (iii) a second lead receptacle having the same number of internal contacts as the first lead receptacle, and wherein each of the internal contacts of the second receptacle are independently operably coupled to a discrete channel of the electronics. Each channel of the electronics to which a contact of the first receptacle is operably coupled is also operably coupled to a channel of the second receptacle. ... Medtronic Inc

02/23/17 / #20170050022

Av nodal stimulation during atrial tachyarrhythmia to prevent inappropriate therapy delivery

The disclosure describes techniques for delivering electrical stimulation to decrease the ventricular rate response during an atrial tachyarrhythmia, such as atrial fibrillation. Av nodal stimulation is employed during an atrial tachyarrhythmia episode with rapid ventricular conduction to distinguish ventricular tachyarrhythmia from supraventricular tachycardia and thereby prevent delivering inappropriate therapy to a patient.. ... Medtronic Inc

02/23/17 / #20170049973

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

02/23/17 / #20170049964

Personalized parameter modeling methods and related devices and systems

Medical devices and related patient management systems and parameter modeling methods are provided. An exemplary method involves obtaining, by a computing device, historical measurements of a condition in a body of the patient previously provided by a sensing device, obtaining, by the computing device, historical operational context information associated with preceding operation of one or more of an infusion device and the sensing device, obtaining, by the computing device, historical values for a parameter from one or more of the infusion device and the sensing device, determining, by the computing device a patient-specific model of the parameter based on relationships between the historical measurements, the historical operational context information and the historical values, and providing, by the computing device via a network, the patient-specific model to one of the infusion device, the sensing device or a client device.. ... Medtronic Inc

02/23/17 / #20170049963

Personalized parameter modeling methods and related devices and systems

Medical devices and related patient management systems and parameter modeling methods are provided. An exemplary method of operating a sensing device associated with a patient involves obtaining current operational context information associated with the sensing device, obtaining a parameter model associated with the patient, calculating a current parameter value based on the parameter model and the current operational context information, obtaining one or more signals from a sensing element configured to measure a condition in a body of the patient, and providing an output that is influenced by the calculated current parameter value and the one or more signals.. ... Medtronic Inc

02/23/17 / #20170049962

Methods for providing sensor site rotation feedback and related infusion devices and systems

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 identifying a current site location on the body of the user associated with a sensing arrangement providing sensed measurements of a physiological condition in the body of the user at the current site location, determining one or more performance metrics associated with the current site location corresponding to operation of the infusion device to deliver the fluid in response to the sensed measurements, and providing sensor site feedback in a manner that is influenced by the one or more performance metrics. ... Medtronic Inc

02/23/17 / #20170049961

Infusion devices and related patient ratio adjustment methods

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device to deliver a bolus amount of fluid influencing a physiological condition in a body of a user involves identifying, based on measurement values for the physiological condition, a residual value for the physiological condition resulting from the bolus amount of the fluid and determining an updated ratio for a subsequent bolus by adjusting an initial ratio influencing the bolus amount to compensate for the residual value. ... Medtronic Inc

02/23/17 / #20170049570

Devices and methods for treating valvular regurgitation

A system for treating mitral valve regurgitation includes a tensioning device having a plurality of helical anchors and a tensioning filament. One embodiment of the invention includes a method for attaching a tensioning device to the annulus of a mitral valve in a trans-leaflet configuration, and applying a tension force to the tension filament in order to exert force vectors on the annulus, thereby reshaping the mitral valve annulus so that the coaption of the anterior and posterior leaflets of the mitral is improved during ventricular contraction.. ... Medtronic Inc

02/23/17 / #20170049569

Transcatheter prosthetic heart valve delivery system with recapturing feature and method

A delivery system for percutaneously deploying a prosthetic heart valve. The system includes an inner shaft assembly, a delivery sheath capsule and a handle maintaining a first actuator and a second actuator. ... Medtronic Inc

02/23/17 / #20170049512

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

02/23/17 / #20170049501

Electrosurgical device with multivariate control

An electrosurgical device includes a handpiece, an electrode tip extending from the handpiece, the electrode tip configured to deliver an rf signal, and a multivariate controller disposed on the handpiece. The multivariate controller is configured to activate the electrode tip and adjust a setting of the rf signal within a range of settings.. ... Medtronic Inc

02/23/17 / #20170049497

Array orientation tracker

A device, system, and method for predicting or determining lesion efficacy and method for displaying lesion efficacy data to a user. The device may include a treatment assembly including a plurality of electrodes and a location tracking element, such as a gyroscope or accelerometer. ... Medtronic Inc

02/23/17 / #20170049425

Percutaneous atrial and ventricular septal defect closure device

Medical devices for closing anatomical apertures, such as atrial or ventricular septal defects, are disclosed. The medical devices can include a plug body having a proximal end, a distal end, and a longitudinal axis. ... Medtronic Inc

02/23/17 / #20170049386

Personalized event detection methods and related devices and systems

Medical devices and related patient management systems and event detection methods are provided. An exemplary method of detecting events pertaining to operation of a medical device, such as an infusion device, involves obtaining measurements indicative of a condition in a body of a patient, determining statistics for an analysis interval based on the measurements, and determining an event probability associated with the analysis interval based on historical event data associated with the patient. ... Medtronic Inc

02/23/17 / #20170049383

Data analytics and generation of recommendations for controlling glycemic outcomes associated with tracked events

A computer-implemented system and related method of reporting glucose information for a user of a diabetes management device are presented here. An embodiment of the method obtains input data for the user of the diabetes management device, and identifies a tracked glycemic response event. ... Medtronic Inc

02/23/17 / #20170049347

Assessing intra-cardiac activation patterns and electrical dyssynchrony

Techniques for evaluating cardiac electrical dyssynchrony are described. In some examples, an activation time is determined for each of a plurality of torso-surface potential signals. ... Medtronic Inc

02/23/17 / #20170049337

Implantable blood pressure monitor

A method for monitoring blood pressure includes sensing and storing sympathetic nerve activity data of a patient via a recording lead of an implantable medical device. Changes in sympathetic nerve activity from the nerve activity data are determined. ... Medtronic Inc

02/16/17 / #20170045054

Reducing centrifugal pump bearing wear through dynamic magnetic coupling

A pump drive for an extracorporeal blood pumping system including an adjustable drive magnet. The pump drive may be coupled to a blood pump which includes a pump impeller. ... Medtronic Inc

02/16/17 / #20170043174

Systems and methods for leadless pacing and shock therapy

Techniques and systems for monitoring cardiac arrhythmias and delivering electrical stimulation therapy using a subcutaneous implantable cardioverter defibrillator (sicd) and a leadless pacing device (lpd) are described. For example, the sicd may detect a tachyarrhythmia within a first electrical signal from a heart and determine, based on the tachyarrhythmia, to deliver anti-tachyarrhythmia shock therapy to the patient to treat the detected arrhythmia. ... Medtronic Inc

02/16/17 / #20170043173

Ventricular tachycardia detection algorithm using only cardiac event intervals

An implantable medical device system includes a pacemaker and an extravascular implantable cardioverter defibrillator (icd). The pacemaker is configured to acquire a cardiac electrical signal, determine rr intervals from the cardiac electrical signal, apply ventricular tachycardia detection criteria solely to the rr intervals, detect ventricular tachycardia (vt) when the detection criteria are met; and deliver anti-tachycardia pacing in response to detecting the vt before the extravascular icd delivers a shock therapy.. ... Medtronic Inc

02/16/17 / #20170043172

User interface with 3d environment for configuring stimulation therapy

The disclosure describes a method and system that allows a user to configure electrical stimulation therapy by defining a three-dimensional (3d) stimulation field. After a stimulation lead is implanted in a patient, a clinician manipulates the 3d stimulation field in a 3d environment to encompass desired anatomical regions of the patient. ... Medtronic Inc

02/16/17 / #20170043158

Interventional medical systems and catheters

An interventional medical system includes an elongate shaft, a steering assembly coupled to the shaft, a snare member, and a passageway configured to allow passage of the snare member therethrough and into a first longitudinally extending lumen of the shaft; wherein the passageway is spaced distally from the steering assembly actuator by no more than 3 cm to 3.5 cm, and the passageway includes an elastic sealing perimeter. The passageway may, in some cases, be formed in a tapered member of the steering assembly that couples a proximal end of the shaft to a core of the steering assembly.. ... Medtronic Inc

02/16/17 / #20170043155

Epicardial defibrilation lead with side helix fixation and placement thereof

A method and system for employing a medical device is disclosed. The medical device includes a housing, a processor disposed within the housing, a connector module, and a medical electrical epicardial lead connected to the processor through the connector module. ... Medtronic Inc

02/16/17 / #20170043151

Leak reduction during implantable infusion device refill

A method for reducing small volume subcutaneous leaks of therapeutic fluids during procedures to refill an implantable medical device includes reducing pressure in a reservoir of the device. A refill needle can be percutaneously inserted into a fill port in communication with the reservoir and therapeutic fluid can be delivered through the needle into the reservoir. ... Medtronic Inc

02/16/17 / #20170043127

Lead delivery device and method

A lead delivery apparatus and a method of delivering a medical lead to an anatomic target site. The method includes inserting a hydraulic plug into an internal delivery lumen of a delivery shaft, and coupling a medical lead to the hydraulic plug. ... Medtronic Inc

02/16/17 / #20170043122

Tubular bodies for medical delivery devices and related manufacturing methods

A tubular wall, which may be employed in a medical catheter or medical electrical lead, is formed by stranding together a plurality of polymer fibers and at least one metal filar, wherein the stranding forms a braid matrix of the polymer fibers and a coil of the metal filar interlaced therewith. Then, while the braid matrix secures a pitch of the coil, a polymer material is extruded around an entire length of the tubular wall, and, in some cases, the extrusion process causes the plurality of polymer fibers to melt and coalesce together with one another, while the pitch of the coil is maintained. ... Medtronic Inc

02/16/17 / #20170043088

External infusion device with remote programming, bolus estimator and/or vibration alarm capabilities

An infusion system for infusing a liquid into a body includes an external infusion device and a remote commander. The external infusion device includes a housing, a receiver, a processor and an indication device. ... Medtronic Inc

02/16/17 / #20170042621

Electromagnetic coil apparatuses for surgical navigation and corresponding methods

An electromagnetic device includes a jig and multiple wires. The jig includes a center member and coil-separating blocks. ... Medtronic Inc

02/16/17 / #20170042482

Detection of medical electrical lead issues

An implantable medical device includes a sensing module configured to receive a cardiac electrical signal via electrodes carried by a medical electrical lead coupled to the implantable medical device and a control module configured to detect a lead issue. The sensing module is configured to produce cardiac sensed event signals and spike detect signals. ... Medtronic Inc

02/09/17 / #20170040757

Distal connector assemblies for medical lead extensions

Distal connector assemblies that are on the distal end of medical lead extensions provide increased rigidity by including a rigid holder that contains the electrical connectors. The electrical connectors are separated within the rigid holder by insulative spacers that may be individual items or may be formed from a compliant carrier that the electrical connectors may reside within where the carrier is positioned within the rigid holder. ... Medtronic Inc

02/09/17 / #20170036031

Implantable medical devices with low volume batteries, and systems

Implantable medical devices, implantable medical device systems that include such implantable medical devices, and implantable medical device batteries, as well as methods of making. Such devices can include a battery of relatively small volume but of relatively high power (reported as therapeutic power) and relatively high capacity (reported as capacity density).. ... Medtronic Inc

02/09/17 / #20170035567

System and method for deflecting a delivery catheter

Distal tips for use with delivery catheters are disclosed that are configured to facilitate deflection of the catheters as they are advanced through the vasculature to a desired treatment site. Distal tips so configured realize one or more of the objectives of safer, more accurate steering of the catheter through the vasculature.. ... Medtronic Inc

02/09/17 / #20170035564

Replacement prosthetic heart valves and methods of implantation

A replacement prosthetic heart valve for engagement with a structure of a previously implanted prosthetic heart valve. The replacement heart valve includes a stent structure including a generally tubular body portion with an interior area and a series of wire portions arranged in a mesh-like configuration, and at least one stent post engaging structure extending radially outwardly from the body portion for engaging with an outer surface of a stent post of the previously implanted prosthetic heart valve. ... Medtronic Inc

02/09/17 / #20170035563

Heart valve prosthesis and methods of manufacture and use

A heart valve prosthesis is provided having a self-expanding multi-level frame that supports a valve body comprising a skirt and plurality of coapting leaflets. The frame transitions between a contracted delivery configuration that enables percutaneous transluminal delivery, and an expanded deployed configuration having an asymmetric hourglass shape. ... Medtronic Inc

02/09/17 / #20170035499

Cardiac pulsed field ablation

A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 μs and 5 μs, an inter-pulse delay of at least 5 μs, and a pulse width of 5 μs.. ... Medtronic Inc

02/09/17 / #20170035322

Method and apparatus for detecting change in intrathoracic electrical impedance

A method and apparatus for detection of changes in impedance a patient that includes generating measured impedances, generating an adaptive baseline trend of the measured impedances corresponding to a first time period, generating a short term trend of the measured impedances corresponding to a second time period less than the first time period, determining changes in relative position of the short term trend and the baseline trend, the determined changes in relative position corresponding to determining intersecting of the baseline trend by the short term trend, determining differences between the baseline trend and calculated period average impedances, and accumulating, in response to determining no intersecting of the baseline trend by the short term trend, the determined differences between the baseline trend and the calculated period average impedances.. . ... Medtronic Inc

02/09/17 / #20170035315

Determining paced cardiac depoloraziation 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

02/02/17 / #20170029860

Methods of dna constructs for high yield production of polypeptides

The invention provides an inclusion body fusion partner to increase peptide and polypeptide production in a cell.. . ... Medtronic Inc

02/02/17 / #20170028206

Capture management during left ventricular pacing therapy in a cardiac medical device and medical device system

A medical device and medical device system for determining capture during delivery of a ventricular pacing therapy that includes a subcutaneous sensing device comprising a subcutaneous electrode to sense a subcutaneous cardiac signal and to emit a trigger signal in response to the sensed cardiac signal, an intracardiac therapy delivery device capable of being implanted within a left ventricle of a heart to receive the trigger signal and deliver the ventricular pacing therapy to the left ventricle in response to the emitted trigger signal, and a processor positioned within the subcutaneous sensing device, the processor configured to compare a beat of the subcutaneous cardiac signal sensed by the sensing device subsequent to the ventricular pacing therapy being delivered to a baseline template associated with a non-paced beat, and determine whether the delivered ventricular pacing therapy captures the left ventricle in response to the comparing.. . ... Medtronic Inc

02/02/17 / #20170028205

Combination of feedback on mechanical and electrical resynchronization to select therapy parameters

A system and method select a pacing site for a cardiac pacing therapy. A change from a baseline mechanical activity is extracted from a signal of mechanical heart activity during pacing at each one of multiple pacing sites along a heart chamber. ... Medtronic Inc

02/02/17 / #20170028204

Nerve signal differentiation in cardiac therapy

Methods of nerve signal differentiation, methods of delivering therapy using such nerve signal differentiation, and to systems and devices for performing such methods. Nerve signal differentiation may include locating two electrodes proximate nerve tissue and differentiating between efferent and afferent components of nerve signals monitored using the two electrodes.. ... Medtronic Inc

02/02/17 / #20170028203

Delivery of bi-ventricular pacing therapy in a cardiac medical device and medical device system

An implantable medical device and medical device system for delivering a bi-ventricular pacing therapy that includes a plurality of electrodes to sense a cardiac signal, an emitting device to emit a trigger signal to control delivery of the bi-ventricular pacing, and a processor configured to compare the sensed cardiac signal associated with the delivered bi-ventricular pacing to at least one of an intrinsic beat template and an rv template associated with a morphology of rv-only pacing therapy, determine whether an offset interval associated with the bi-ventricular pacing therapy is set to a maximum offset interval level in response to the comparing, adjust the offset interval in response to the offset interval not being set to the maximum offset interval level, and generate the trigger signal to be emitted by the emitting device to subsequently deliver the bi-ventricular pacing therapy having the adjusted offset interval.. . ... Medtronic Inc

02/02/17 / #20170028202

Delivery of left ventricular pacing therapy during cardiac resynchronization therapy in a cardiac medical device and medical device system

A medical device and medical device system for delivering left ventricular pacing that includes a subcutaneous sensing device having a subcutaneous electrode to sense a subcutaneous cardiac signal and an emitting device to emit a trigger signal in response to the sensed cardiac signal, an intracardiac therapy delivery device to deliver the left ventricular pacing in response to the emitted trigger signal, and a processor configured to determine whether the medical device system is in one of a vvd pacing mode and a vvi pacing mode, determine whether the delivered left ventricular pacing captures the left ventricle, determine whether to adjust a pacing parameter in response to the determination of whether the device system is in one of a vvd pacing mode and a vvi pacing mode and the determination of whether the delivered left ventricular pacing captures the left ventricle, and deliver the left ventricular pacing in response to determining whether to adjust the pacing parameter.. . ... Medtronic Inc

02/02/17 / #20170028194

Intracardiac pacemaker with sensing extension in pulmonary artery

An implantable medical device having a housing that encloses a pulse generator and a sensing module includes a housing-based cathode electrode electrically coupled to the pulse generator and to the sensing module. A sensing extension extending from the housing proximal end includes an anode electrode electrically coupled to the sensing module for sensing cardiac electrical signals. ... Medtronic Inc

02/02/17 / #20170028190

Interventional medical systems, catheters, and methods

A device receptacle of a catheter resides in a sidewall thereof, which includes a proximal section, a central section extending distally from the proximal section, and a distal section extending distally from the central section. A length of the central section is approximately 30% of an overall length of the sidewall; the proximal and distal sections have approximately the same stiffness; and a stiffness of the central section, formed from a polymer material without any structural reinforcement or any other member embedded therein, is significantly less than that of the proximal and distal sections. ... Medtronic Inc

02/02/17 / #20170027725

Delivery system having a single handed deployment handle for a retractable outer sheath

A delivery system for delivering a prosthesis, the delivery system including a housing, a sheath extending from within the housing, a clutching mechanism housed within the housing, and a cable. The clutching mechanism includes a one-way clutch that transmits a torque from an actuator to an inner shaft assembly when the actuator is rotated in a first direction and does not transmit a torque from the actuator to the inner shaft assembly when the actuator is rotated in a second opposing direction. ... Medtronic Inc

02/02/17 / #20170027694

Transcatheter prosthetic heart valve delivery system and method with expandable stability tube

A device for percutaneously delivering a stented prosthetic heart valve. The device includes an inner shaft assembly, a delivery sheath assembly, an outer stability tube, and a handle. ... Medtronic Inc

02/02/17 / #20170027692

Apparatus for treatment of cardiac valves and method of its manufacture

A prosthetic valve including a replacement valve having a tubular valve body wall, an expandable stent having a framework with first and second ends, and suturing holding the framework to the valve body at the first and second ends. The suturing at the first end is colored differently from the suturing at the second end.. ... Medtronic Inc

02/02/17 / #20170027690

Transcatheter valve having reduced seam exposure

A transcatheter valve having an expandable frame and a collapsible multi-portion skirt within the frame are provided with seams between the portions of the skirt that are located to cooperate with features of the frame and thereby reduce the exposure of the seams.. . ... Medtronic Inc

02/02/17 / #20170027640

Ablation catheter

Devices, systems and methods are disclosed for the mapping of electrical signals and the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly. ... Medtronic Inc

02/02/17 / #20170027630

Real-time lesion formation assessment

A method and system for creating permanent lesions in an area of target tissue, such as tissue at or proximate a junction between a pulmonary vein and the left atrium. The method may generally include positioning a medical device in contact with a pulmonary vein ostium, ablating the tissue, and recording a plurality of temperature measurements from one or more of three temperature sensors. ... Medtronic Inc

02/02/17 / #20170027524

Detection of valid signals versus artifacts in a multichannel mapping system

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

02/02/17 / #20170027474

Absolute intrathoracic impedance based scheme to stratify patients for risk of a heart failure event

A health care system acquires data determines whether a patient is at risk of hypervolemia or hypovolemia. The method comprises (a) acquiring from a device memory a patient's absolute intrathoracic impedance data over a pre-specified time period, (b) determining a running average of the intrathoracic impedance data over the pre-specified time period, and (c) determining by the system whether the running average of the intrathoracic impedance data over the pre-specified time period exceeds one of a first and second range, the first range being a higher value boundary of intrathoracic electrical impedance and the second range being a lower value boundary of intrathoracic electrical impedance.. ... Medtronic Inc

02/02/17 / #20170027463

Identifying ambiguous cardiac signals for electrophysiologic mapping

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

01/26/17 / #20170025888

Focused power transfer for implantable medical device

A rechargeable cell of an implantable medical device is recharged by an external charging unit that includes a transmitting coil configured to emit an electromagnetic field and a near-field focusing plate having a subwavelength structure pattern that focuses the emitted electromagnetic field to a focal pattern. The implantable medical device includes a housing having a window of an electromagnetically transparent material and a receiving coil enclosed by the housing. ... Medtronic Inc

01/26/17 / #20170025809

Implantable medical devices including elongated conductor bodies that facilitate device and lead configuration variants

Implantable medical devices include elongated conductor bodies and related features including an attachment to the medical device at one end and a connector that receives a medical lead at the other end. The connector may have various features such as a modular design whereby the connector is constructed from a series of stacked contact modules. ... Medtronic Inc

01/26/17 / #20170021170

Methods and apparatus for multi-vessel renal neuromodulation

Methods and apparatus are provided for multi-vessel neuromodulation, e.g., via a pulsed electric field. Such multi-vessel 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

01/26/17 / #20170021164

Leads for selective sensing and virtual electrodes

Selective sensing implantable medical leads include pulsing and sensing portions and pulsing and not sensing portion. Leads and electrodes may be used in defibrillation and as integrated bipolar defibrillation electrodes. ... Medtronic Inc

01/26/17 / #20170021100

System and method for providing closed loop infusion formulation delivery

A system and method for providing closed loop infusion formulation delivery which accurately calculates a delivery amount based on a sensed biological state by adjusting an algorithm's programmable control parameters. The algorithm calculates a delivery amount having proportional, derivative, and basal rate components. ... Medtronic Inc

01/26/17 / #20170021086

Dialysis priming steps using an infusate caddy

The invention relates to devices, systems, and methods for priming, disinfecting, and preparing dialysate and related fluids for use in dialysis. The dialysate and related fluids can be prepared from solutes obtained from infusate containers seated in an infusate caddy. ... Medtronic Inc

01/26/17 / #20170021079

Infusate caddy for a dialysis system

The invention relates to an infusate caddy for carrying, organizing, and operating infusate containers containing solutes for preparing dialysate and related fluids for use in dialysis. The infusate containers can be seated in the infusate caddy, and the infusate containers removed from the infusate caddy for restocking, cleaning, or resupply, as needed. ... Medtronic Inc

01/26/17 / #20170021076

Fluid connectors and fluid flow paths for an infusate caddy

The invention relates to fluid flow paths and fluid connectors for use with detachable containers that can be seated in an infusate caddy for use in a dialysis machine. The detachable containers can contain infusates or other solutes or materials such as disinfectants or cleaners, and can be conveniently seated in the infusate caddy. ... Medtronic Inc

01/26/17 / #20170020700

Method of forming a drug-eluting medical device

A method of forming a stent includes the steps of forming a composite member into a stent pattern, forming openings through an outer member of the composite member, processing the composite member to remove a portion of the composite member without adversely affecting the outer member, and swaging the outer member to create a plurality of lumens. The composite member may be formed of an outer member with an hourglass-shaped inner member, wherein the processing step removes the inner member and the swaging step forms two lumens from the hourglass shaped cavity. ... Medtronic Inc

01/26/17 / #20170020670

Delivery catheter system with micro and macro movement control

A tray and packaging system for a prosthetic valve delivery system permits conversion from a storage and/or shipping configuration to a set up and preparation configuration. In a first configuration, a delivery system can be supported by first and second main trays with the elongate catheter of the delivery system arranged to extend linearly from the first main tray to the second main tray, and in a second configuration, the delivery system can be supported by the first and second main trays with the elongate catheter of the delivery system turned back in a u-shaped manner with the deployment portion of the delivery system positioned to the side of the control handle portion of the delivery system.. ... Medtronic Inc

01/26/17 / #20170020666

Replacement prosthetic heart valve, system and method of implant

A prosthetic heart valve for functionally replacing a previously implanted prosthetic heart valve is disclosed. The prosthetic heart valve includes a collapsible support structure with leaflets and anchors mounted to the support structure. ... Medtronic Inc

01/26/17 / #20170020597

Devices, systems and methods for evaluation and feedback of neuromodulation treatment

The present disclosure relates to devices, systems and methods for evaluating the success of a treatment applied to tissue in a patient, such as a radio frequency ablative treatment used to neuromodulate nerves associated with the renal artery. A system monitors parameters or values generated during the course of a treatment. ... Medtronic Inc

01/19/17 / #20170017606

Methods, devices, and systems where an accessory controls power delivery from a host device to the accessory through an accessory port

An accessory controls power delivery from a host device to the accessory by receiving and rectifying a wireless signal into an electrical voltage that operates an electronic switch. The electronic switch sets a voltage state of an electrical connection to the host device that triggers the host device to begin providing power. ... Medtronic Inc

01/19/17 / #20170014629

Confirming sensed atrial events for pacing during resynchronization therapy in a cardiac medical device and medical device system

A medical device and medical device system for controlling delivery of therapeutic stimulation pulses that includes a sensing device to sense a cardiac signal and emit a trigger signal in response to the sensed cardiac signal, a therapy delivery device to receive the trigger signal and deliver therapy to the patient in response to the emitted trigger signal, and a processor positioned within the sensing device, the processor configured to determine whether the sensed cardiac signal exceeds a possible p-wave threshold, compare a portion of the sensed cardiac signal to a p-wave template having a sensing window having a length less than a width of the p-wave, confirm an occurrence of a p-wave signal in response to the comparing, emit the trigger signal in response to the occurrence of a p-wave signal being confirmed, and inhibit delivery of the emitting signal in response to the occurrence of a p-wave signal not being confirmed.. . ... Medtronic Inc

01/19/17 / #20170014623

Paired medical lead bodies with braided conductive shields having different physical parameter values

Medical lead bodies that are paired each include a braided conductive shield. The braided conductive shield of one lead body has a value for a physical parameter that differs from a value for the physical parameter of the second lead body. ... Medtronic Inc

01/19/17 / #20170014337

Drug depots for treatment of pain and inflammation in sinus and nasal cavaties

Effective treatments of pain and/or inflammation are provided. Through the administration of a biodegradable drug depot film, patch, strip or sponge being implantable at or near a cardiac tissue or within a nasal or sinus cavity, one can reduce, prevent or treat pain and/or inflammation.. ... Medtronic Inc

01/19/17 / #20170014230

Stents for prosthetic heart valves

A prosthetic valve including a wire frame having a generally tubular body portion, an interior area, a longitudinal axis, a first end comprising a plurality of crowns, and a second end comprising a greater number of crowns than the first end. The wire frame includes a plurality of adjacent rows of modified diamond-shaped structures extending between the first and second ends. ... Medtronic Inc

01/19/17 / #20170014178

Methods and apparatus for pulsed electric field neuromodulation via an intra-to-extravascular approach

Methods and apparatus are provided for pulsed electric field neuromodulation via an intra-to-extravascular approach, e.g., to effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, changes in cytokine upregulation and other conditions in target neural fibers. In some embodiments, the itev pef system comprises an intravascular catheter having one or more electrodes configured for intra-to-extravascular placement across a wall of patient's vessel into proximity with target neural fibers. ... Medtronic Inc

01/19/17 / #20170014177

Methods and systems for thermally-induced renal neuromodulation

Methods and system 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

01/12/17 / #20170007853

Physiological monitoring for ultrasound therapy

In some examples, a system includes a flexible ultrasound device configured to be attached to an external surface of a patient proximate to an organ of the patient to deliver ultrasound configured to modulate nerve tissue of the patient at the organ. The system further comprises one or more sensors configured to sense one or more physiological parameters indicative of at least one of a symptom treatable by, or a side effect of, the neuromodulation, and processing circuitry configured to control the delivery of ultrasound during an ambulatory period of the patient, and monitor the least one of the symptom or the side effect during the ambulatory period, based on the one or more physiological parameters. ... Medtronic Inc

01/12/17 / #20170007841

Method and apparatus for detecting arrhythmias in a subcutaneous medical device

A method and system for use with an implantable medical device for subcutaneous implant within a patient to determine a likelihood of the patient experiencing a cardiac event that includes sensing a cardiac signal along a plurality of different sensing vectors, determining state information of each vector of the plurality of sensing vectors, determining a cross correlation of the determined state information of each vector of the plurality of sensing vectors, comparing the cross correlation of the determined state information of each vector of the plurality of sensing vectors to a threshold, and detecting the cardiac event in response to the comparing.. . ... Medtronic Inc

01/12/17 / #20170007827

Termination of a shield within an implantable medical lead

A shield located within an implantable medical lead may be terminated in various ways at a metal connector. The shield may be terminated by various joints including butt, scarf, lap, or other joints between insulation layers surrounding the lead and an insulation extension. ... Medtronic Inc

01/12/17 / #20170007811

Sinus dilation system and method

A sinus dilation instrument useful with a navigation system and including a handle, a rigid probe, a balloon, and an identifier device. The probe extends from the handle, forms a curved segment, and carries the balloon. ... Medtronic Inc

01/12/17 / #20170007398

Heart valve assemblies

A heart valve assembly includes a base including a multi-lobular annular shape within a plane, a valve member or other annular body including a multi-lobular shape complementary to the shape of the base, and cooperating connectors on the base and the annular body for connecting the annular body to the base. The base includes an anchoring ring, and a flexible cuff for attaching the base to a biological annulus. ... Medtronic Inc

01/12/17 / #20170007325

Microwave catheter apparatuses, systems, and methods for renal neuromodulation

Microwave 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

01/12/17 / #20170007320

Renal neuromodulation 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

01/12/17 / #20170007319

Renal neuromodulation 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

01/12/17 / #20170007297

Extravascular medical access tools having boring tip and methods of using such tools

This disclosure describes various tools and associated methods suitable for gaining access to extravascular spaces. The various tools and associated methods utilize a boring tip that may rotate to aid in safely and effectively crossing diaphragmatic attachments. ... Medtronic Inc

01/12/17 / #20170007287

Medical tools and methods for gaining access to extravascular spaces

This disclosure provides tools and implant techniques utilizing such tools to gain access to and implant a medical device, such as a medical electrical lead, within extravascular spaces. In one example, this disclosure provides a tool for creating a sub-sternal tunnel in a patient. ... Medtronic Inc

01/05/17 / #20170000936

Method and device to monitor patients with kidney disease

A medical monitoring device for monitoring electrical signals from the body of a subject is described. The medical monitoring device monitors electrical signals originating from a cardiac cycle of the subject and associates each cardiac cycle with a time index. ... Medtronic Inc

01/05/17 / #20170000608

Annuloplasty device for tricuspid valve repair

Annuloplasty device for implantation adjacent an annulus of a tricuspid valve, the annulus comprising, anterior, posterior and septal aspects adjacent anterior, posterior and septal leaflets, respectively, of the tricuspid valve, the device comprising: a ring body comprising: an anterior portion, a posterior portion and a septal portion shaped to conform to, and for implantation adjacent, the anterior, posterior and septal aspects of the annulus, respectively; and first and second end portions that are more flexible than a remainder of the ring body to provide a gradual transition from the remainder of the ring body to tissue of the tricuspid valve annulus; wherein the ring body is curvilinear, with substantially no flat portions, and forming a shape. Related devices, kits and sizer devices.. ... Medtronic Inc

01/05/17 / #20170000605

Heart valve prosthesis

A heart valve prosthesis configured for deployment within a native heart valve. The heart valve prosthesis includes a tubular stent and a prosthetic valve component disposed within and secured to the stent. ... Medtronic Inc

01/05/17 / #20170000545

Spray nozzle design for a catheter

A catheter-based medical device including controlled refrigerant dispersion is disclosed. The device includes a fluid injection tube that carries refrigerant from a coolant supply to the distal portion of the device. ... Medtronic Inc

01/05/17 / #20170000544

N2o liquefaction system with subcooling heat exchanger for medical device

A system and kit for using a source of low-pressure refrigerant for a cryotherapy procedure and for subcooling a cryotherapy refrigerant. The system may generally include a fluid reservoir and a fluid flow path in thermal exchange with the fluid reservoir, the fluid flow path including a first thermal exchange device in thermal exchange with the fluid reservoir, a compressor in fluid communication with the first thermal exchange device, a condenser, a reversing valve located between the compressor and the condenser, a second thermal exchange device located between the reversing valve and the compressor, and an expansion valve located between the condenser and the thermal exchange device. ... Medtronic Inc

01/05/17 / #20170000543

N2o thermal pressurization system by cooling

A system and method of using a source of low-pressure refrigerant for a cryotherapy procedure. The system may generally include a fluid reservoir and a fluid flow path in thermal exchange with the fluid reservoir, the fluid flow path including a thermal exchange device in thermal exchange with the fluid reservoir, a compressor in fluid communication with the thermal exchange device, a condenser, a reversing valve located between the compressor and the condenser, and an expansion valve located between the condenser and the thermal exchange device. ... Medtronic Inc

01/05/17 / #20170000362

Accessory to allow sensing at balloon interface

A device, system and method for temperature-based lesion formation assessment and mapping functionality using an accessory usable with an over-the-wire balloon catheter. The device may include a first annular element, a plurality of wires coupled to the first annular element, and a second annular element, the plurality of wires passing from the first annular element through the second annular element and into an elongate wire conduit coupled to the second annular element. ... Medtronic Inc








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