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Medtronic Inc patents


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


 new patent  Posture state redefinition based on posture data

The disclosure is directed towards posture-responsive therapy. To avoid interruptions in effective therapy, an implantable medical device may include a posture state module that detects the posture state of the patient and automatically adjusts therapy parameter values according to the detected posture state. ... Medtronic Inc

 new patent  Drug infusion system and method

An actuator for an infusion drive mechanism comprises a piston defining a first axis and being movable within a passageway of the infusion drive mechanism to convey at least one infusion medium. The passageway defines a longitudinal axis. ... Medtronic Inc

 new patent  Peritoneal dialysis fluid testing system

The invention relates to a testing system and related methods for detecting peritonitis or infection in peritoneal dialysate removed from a patient. The testing system can include a fluid sensor apparatus in a fluid line of a peritoneal dialysis cycler through which spent peritoneal dialysate can be pumped. ... Medtronic Inc

 new patent  Welded stent with radiopaque material localized at the welds and methods

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

 new patent  Electrosurgical unit and system

Systems, such as an electrosurgical unit, and method for use with an active electrode and a plurality of return electrodes are disclosure. An electrosurgical treatment is provided to tissue via the active electrode at a treatment site and a first return electrode of the plurality of return electrodes at the treatment site. ... Medtronic Inc

 new patent  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

Impedance-based allocation of electrical stimulation to electrode clusters

Electrical stimulation sources and amplitudes are allocated to implantable electrodes based on impedance values for controlled delivery of electrical stimulation therapy to a patient. Allocation may include assigning implantable electrodes, in a group of active electrodes, to clusters based on impedance values of the electrodes, coupling the electrode clusters to respective stimulation sources, and defining respective stimulation amplitudes delivered by the stimulation sources to the electrode clusters. ... Medtronic Inc

Detecting and responding to anti-tachyarrhythmia shocks

In some examples, an implantable medical device determines that another medical device delivered an anti-tachyarrhythmia shock, and delivers post-shock pacing in response to the determination. The implantable medical device may be configured to both detect the delivery of the shock in a sensed electrical signal and, if delivery of the shock is not detected, determine that the shock was delivered based on detection of asystole of the heart. ... Medtronic Inc

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

Cross slit gasket for introducer sheath

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

Methods for operating mode transitions and related infusion devices and systems

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

Transcatheter valve with torsion spring fixation and related systems and methods

Described is a prosthetic valve, comprising: an expandable stent including an inner lumen and having a first and a second end; and a spring attached to the first end of the expandable stent; wherein the expandable stent and the spring can expand radially to a desired diametric configuration in order to anchor the prosthetic valve at an implantation position in a body lumen. Related systems and methods.. ... Medtronic Inc

Catheter apparatuses for modulation of nerves in communication with 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

Insertion device systems and methods

An insertion device may include a device housing configured to be operatively engaged with and disengaged from a base, and engageable with an actuation device, the device housing having a carrier body supporting a piercing member. The carrier body moveable by a carrier body of the actuation device at least between a retracted position and an advanced position. ... Medtronic Inc

07/05/18 / #20180184952

Calibration of glucose monitoring sensor and/or insulin delivery system

Disclosed are methods, apparatuses, etc. For calibrating glucose monitoring sensors and/or insulin delivery systems. ... Medtronic Inc

07/05/18 / #20180184951

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

06/28/18 / #20180178001

Deployable electrode array lead assembly for implantable electrical stimulation

A lead assembly includes a central lead member having a distal portion configured to extend along a longitudinal axis. The lead assembly also includes two or more side lead members disposed around the central lead member. ... Medtronic Inc

06/28/18 / #20180177946

Insertion site monitoring methods and related infusion devices and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device involves obtaining one or more measurement values of a physiological condition in the body of a user during an initial monitoring period and determining a fasting reference value for a metric based on the one or more measurement values. ... Medtronic Inc

06/28/18 / #20180177548

Helical push wire electrode

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

06/28/18 / #20180177425

Rhythm discriminator with immunity to body posture

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

06/21/18 / #20180175566

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

06/21/18 / #20180175462

Formation process for lithium-ion batteries

A method of charging a battery includes applying a charging voltage to a lithium-ion battery for a period of time after the battery is fully charged. The battery includes a positive electrode having a positive active material, a negative electrode having a negative active material, and an electrolyte. ... Medtronic Inc

06/21/18 / #20180175459

Lithium ion batteries and methods of sterilization

A lithium ion battery is provided that includes: a positive electrode; a negative electrode; a separator comprising a material having a melt temperature of greater than 150° c.; and an electrolyte including an organic solvent and a lithium salt. A method for sterilizing a lithium ion battery is also provided that includes: providing a lithium ion battery (particularly one as described herein); either charging or discharging the battery to a state of charge (soc) of 20% to 100%; and steam sterilizing the battery to form a sterilized lithium ion battery.. ... Medtronic Inc

06/21/18 / #20180174675

Infusion systems and methods for prospective closed-loop adjustments

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves predicting, by a control system associated with the infusion device, a future occurrence of an event based at least in part on historical data associated with the patient, and prior to the future occurrence of the event, automatically adjusting a control parameter for operating the infusion device based at least in part on the event and automatically operating an actuation arrangement of the infusion device to deliver the fluid to the patient based at least in part on a current measurement of the physiological condition and the adjusted control parameter.. ... Medtronic Inc

06/21/18 / #20180172665

Systems and methods for assessing blood platelet function

A method carried out by a system configured to analyze blood. The method includes causing a ferromagnetic object to move in a chamber housing blood after clot initiation has been implicated. ... Medtronic Inc

06/21/18 / #20180169421

Implantable medical device batteries with milled fluorinated carbon fibers, devices, and methods

An implantable medical device comprising a battery cell including: an anode; a cathode including fluorinated carbon particles; a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein greater than 50 vol-% of the fluorinated carbon particles have a particle size within a range of 2 microns to 10 microns, and greater than 50% by number have an aspect ratio within a range of 1:1.2 to 1:8.. . ... Medtronic Inc

06/21/18 / #20180169419

Implantable medical devices with header structures including conductive paths that facilitate the interconnection of feedthrough conductors to electrical connectors

Implantable medical devices include header structures with conductive paths from the feedthrough conductors that may be located on one side of the device to electrical connectors that may be located on an opposite side of the device. The conductive paths may include conductive interconnect pins and lead frame conductors. ... Medtronic Inc

06/21/18 / #20180169415

Modular lead

Systems, devices, and techniques are disclosed for a modular medical lead system. The modular medical lead system may comprise an elongate lead body module including a plurality of coiled electrical conductors extending from a first end to a second end of the elongate lead body module, and a conductor hub adjacent the first end of the elongate lead body module. ... Medtronic Inc

06/21/18 / #20180169404

Modular lead

Systems, devices, and techniques are disclosed for forming an elongate lead body module of a modular lead. The method may comprise rotating a mandrel, wherein the mandrel extends through a through-hole of a conductor hub, wherein each conductor of a plurality of conductors extend through a respective channel of a plurality of channels of the conductor hub, wherein each conductor of the plurality of conductors extends from a respective bobbin of plurality of bobbins to the channels, wherein the plurality of bobbins are coupled to a carriage, the carriage defining a central opening through which the mandrel passes. ... Medtronic Inc

06/21/18 / #20180169402

Connector assemblies for receiving implantable medical leads

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

06/21/18 / #20180169375

Delivery catheter for implantable medical device

A kit for implantation of an implantable medical device (imd) comprises an elongated outer shaft, a tether, and an elongated inner shaft. The imd comprises a fixation element comprising a looped portion. ... Medtronic Inc

06/21/18 / #20180169334

Infusion systems and related personalized bolusing methods

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, an input meal indication, obtaining historical data for the patient associated with the input meal indication, determining an estimated carbohydrate amount corresponding to the input meal indication based at least in part on the historical data, determining a bolus dosage of the insulin based at least in part on the estimated carbohydrate amount, and operating an actuation arrangement of the infusion device to deliver the bolus dosage of the insulin to the patient.. ... Medtronic Inc

06/21/18 / #20180169333

Infusion systems and methods for pattern-based therapy adjustments

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, measurement values indicative of a condition of the patient provided by a sensing device, identifying an event pattern based at least in part on the measurement values for the condition and historical data associated with the patient, generating a notification indicative of the event pattern in response to identifying the event pattern, and adjusting operation of the infusion device to deliver the fluid to the patient in a manner that is influenced by the event pattern in response to receiving user input confirming the event pattern.. ... Medtronic Inc

06/21/18 / #20180169332

Infusion systems and methods for patient activity adjustments

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, user input indicating an activity by the patient, obtaining historical data for the patient corresponding to the activity, determining a probable patient response corresponding to the activity based at least in part on the historical data for the patient, determining an adjustment for delivering the fluid by the infusion device based at least in part on the probable patient response, and operating the infusion device to deliver the fluid to the patient in accordance with the adjustment.. ... Medtronic Inc

06/21/18 / #20180169325

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

06/21/18 / #20180169324

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

06/21/18 / #20180169323

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

06/21/18 / #20180169322

Medication fluid infusion set component with integrated physiological analyte sensor, and corresponding fluid infusion device

Disclosed is a medical device component for delivering medication fluid to a patient. The medical device component includes a fluid infusion device to regulate delivery of medication fluid, a body-mountable base unit, and a top cover assembly that is removably couplable to the base unit and to the fluid infusion device. ... Medtronic Inc

06/21/18 / #20180168834

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

06/21/18 / #20180168723

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

06/21/18 / #20180168722

Methods and devices for localized disease treatment by ablation

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

06/21/18 / #20180168717

Electrosurgical blade with minimally exposed edge, alternative to coated blade

A cutting element for an electrosurgical device. The cutting element includes an elongate non-conductive body having a first face opposite a second face, the first face and the second face defining an edge there between. ... Medtronic Inc

06/21/18 / #20180168687

Apparatus for forming a passageway in tissue and associated interventional medical systems

An apparatus for forming a passageway through tissue includes a dilator mounted to a shaft, wherein the dilator includes a first portion, which has an increasing taper from a first outer diameter to a larger second outer diameter, and a second portion, which has a decreasing taper from the first portion to a distal end of the dilator, and which includes an external non-cutting thread formed along the decreasing taper. Lumens of the dilator and shaft provide a conduit for means to pierce through the tissue, for example, an elongate wire that includes a piercing tip. ... Medtronic Inc

06/21/18 / #20180168564

Minimally invasive implantable neurostimulation system

A neuromodulation therapy is delivered via at least one electrode implanted subcutaneously and superficially to a fascia layer superficial to a nerve of a patient. In one example, an implantable medical device is deployed along a superficial surface of a deep fascia tissue layer superficial to a nerve of a patient. ... Medtronic Inc

06/21/18 / #20180168510

Endotracheal tube apparatus

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

06/21/18 / #20180168502

Device-based detection and monitoring of sleep apnea conditions

Sensing circuitry of an implantable medical device (imd) system may sense a cardiac signal that varies according to a cardiac cycle of a patient. Processing circuitry of the imd system may determine a series of consecutive cardiac cycle length metric values based on the sensed cardiac signal, identify a plurality of pairs of the cardiac cycle length metrics, each of the pairs of cardiac cycle length metrics separated by an integer ‘n’ of the cardiac cycle length metrics, and construct a distribution of the pairs of cardiac cycle length metrics based on values of the cardiac cycle length metrics for each of the pairs. ... Medtronic Inc

06/21/18 / #20180168481

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

06/21/18 / #20180168468

Delivery catheter for implantable medical device

A kit for intravascular implantation of an implantable medical device (imd) within a patient includes the imd, an elongated shaft, and a locking mandrel. The imd comprises a fixation assembly comprising a loop and defines at least one longitudinal lumen and a port in fluid communication with the lumen. ... Medtronic Inc

06/21/18 / #20180168463

Exercise triggered cardiovascular pressure measurement

Systems, devices disclosed provide example methods comprising determining that a triggering event has occurred based on statuses for a set of physiological parameters associated with the patient, the physiological parameters indicative of the patient engaging in a patient initiated physical activity, generating a trigger output signal in response to the determination that the triggering event has occurred, wirelessly transmitting the trigger output signal to a pressure sensing device implanted in a vessel of the patient, triggering, based on receiving the trigger output signal, the pressure sensing device to sense a cardiovascular pressure of the patient; and transmitting, by the pressure sensing device, a wireless signal comprising data corresponding to the sensed cardiovascular pressure of the patient.. . ... Medtronic Inc

06/21/18 / #20180168461

Hydrostatic offset adjustment for measured cardiovascular pressure values

A method for monitoring a cardiovascular pressure in a patient may include storing, in a memory of an implantable medical device system and in association with each one or more different patient postures, a respective offset value for the cardiovascular pressure of the patient. The one or more offset values may be determined based on a distance between an implantable pressure sensing device and an anatomical structure of the patient, a location of the implantable pressure sensing device within the patient, or one or more dimensions an anatomical structure of the patient. ... Medtronic Inc

06/21/18 / #20180168460

Measuring cardiovascular pressure based on patient state

A method for monitoring a cardiovascular pressure in a patient includes measuring, by pressure sensing circuitry of an implantable pressure sensing device, the cardiovascular pressure of the patient. The method further includes transmitting, via wireless communication circuitry of the implantable pressure sensing device, the measured cardiovascular pressure to another device. ... Medtronic Inc

06/14/18 / #20180166700

Semi-solid electrolytes for batteries

Semi-solid electrolyte compositions are disclosed. The semi-solid electrolyte compositions contain a glyme or mixture of glymes, a lithium salt(s), and a polymeric complexing agent(s).. ... Medtronic Inc

06/14/18 / #20180161580

Input switching in a ventricular intracardiac pacemaker

An intracardiac pacemaker system is configured to produce physiological atrial event signals by a sensing circuit of a ventricular intracardiac pacemaker and select a first atrial event input as the physiological atrial event signals. The ventricular intracardiac pacemaker detects atrial events from the selected first atrial event input, determines if input switching criteria are met, and switches from the first atrial event input to a second atrial event input in response to the input switching criteria being met. ... Medtronic Inc

06/14/18 / #20180161572

Detecting ventricular lead dislodgement

Detecting dislodgement of a ventricular lead coupled to an implantable medical device comprises sensing a near-field cardiac egm via a first electrode of the ventricular lead and a far-field cardiac egm via a second electrode of the ventricular lead, identifying, r-waves in the near-field cardiac egm and the far-field cardiac egm. Determining a near-field value of one or more r-wave amplitude metrics based on amplitudes of r-waves identified in the near-field cardiac egm and a far-field value of the one or more r-wave amplitude metrics based on amplitudes of r-waves identified in the far-field cardiac egm, detecting dislodgement of the ventricular lead based on at least one of the near-field value or the far-field value of the one or more r-wave amplitude metrics; and providing a lead dislodgment alert in response to detecting the dislodgement of the ventricular lead.. ... Medtronic Inc

06/14/18 / #20180161158

Prosthetic valve support structure

The present invention is directed to prostheses including a support structure having a proximal end and a distal end, and a motion limiting member attached to the distal end of the support structure, wherein the motion limiting member is configured to restrict radial expansion of the distal end of the support structure. Methods for delivering the prosthesis are also provided.. ... Medtronic Inc

06/14/18 / #20180161120

Method and apparatus for virtual endoscopy

A surgical instrument navigation system is provided that visually simulates a virtual volumetric scene of a body cavity of a patient from a point of view of a surgical instrument residing in the cavity of the patient. The surgical instrument navigation system includes: a surgical instrument; an imaging device which is operable to capture scan data representative of an internal region of interest within a given patient; a tracking subsystem that employs electro-magnetic sensing to capture in real-time position data indicative of the position of the surgical instrument; a data processor which is operable to render a volumetric perspective image of the internal region of interest from a point of view of the surgical instrument; and a display which is operable to display the volumetric perspective image of the patient.. ... Medtronic Inc

06/14/18 / #20180161002

Ultrasound delivery for diagnosis and/or therapy

In some examples, a system includes one or more ultrasound transducers, one or more temperature sensors, a user interface, and one or more processors. The one or more processors are configured to control the one or more ultrasound transducers to deliver ultrasound to a target point of tissue of a patient to heat the target point of tissue, control the one or more temperature sensors to sense a temperature of other tissue of the patient proximate to the target point of tissue a plurality of times over a period of time after the target point of tissue has been heated, and present, via the user interface, information indicating flow of heat from the target point of tissue to the other tissue over the period of time based on the sensed temperatures to facilitate characterization of at least one of anatomy or function of the tissue.. ... Medtronic Inc

06/14/18 / #20180160962

Wireless nerve integrity monitoring systems and devices

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

06/07/18 / #20180159361

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

06/07/18 / #20180159234

Wireless medical device with a complementary split ring resonator arrangement for suppression of electromagnetic interference

A medical device as described herein includes a communication module to process radio frequency signals associated with operation of the medical device, an antenna associated with the communication module, and a microstrip transmission component coupled between the communication module and the antenna. The transmission component includes a dielectric substrate, an electrically conductive signal trace formed overlying the upper major surface of the substrate, an electrically conductive ground plane formed overlying the lower major surface of the substrate, and a complementary split ring resonator arrangement integrally formed in the ground plane, and having a layout and dimensions tuned to cause the resonator arrangement to resonate at one or more harmonic frequencies of the nominal transmission frequency of the radio frequency signals.. ... Medtronic Inc

06/07/18 / #20180158561

Power source and method of forming same

Various embodiments of a power source and a method of forming such power source are disclosed. The power source can include an enclosure, a substrate disposed within the enclosure, and radioactive material disposed within the substrate and adapted to emit radioactive particles. ... Medtronic Inc

06/07/18 / #20180154159

Medical devices including connector enclosures that include an antenna

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

06/07/18 / #20180154155

Neuromodulation devices for delivering neuromodulation energy to proximal vascular portions and distal vascular portions and associated systems and methods

Neuromodulation devices for delivering neuromodulation therapy to distal vascular portions and proximal vascular portions and associated systems and methods. A neuromodulation device can include an elongated shaft having a proximal portion and a distal portion, each portion being sized and shaped for simultaneous positioning and deployment within respective proximal and distal vascular portions of a human vasculature. ... Medtronic Inc

06/07/18 / #20180154154

Pacing mode switching in a ventricular pacemaker

An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria; and responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.. ... Medtronic Inc

06/07/18 / #20180154144

High frequency neurostimulation for pelvic symptom control

In general, techniques, methods, systems, and devices for delivering high frequency neurostimulation to control one or more pelvic disorders are described. In one example, a method includes identifying, by a medical device configured to be at least partially implanted in a patient, an indication to inhibit bladder activity. ... Medtronic Inc

06/07/18 / #20180154122

Cerebrospinal fluid shunt having long term anti-occlusion agent delivery

The invention includes a shunt for at least partial implantation into a patient that includes an elongated conduit having at least one lumen therethrough, that includes a proximal end for receipt of bodily fluids for flow through the shunt and a distal end for discharge of the bodily fluids from the shunt, and a long term source of at least one occlusion resistant agent, wherein said at least a portion of the at least one occlusion resistant agent can permeate through at least a portion of the elongated conduit. The invention also includes kits and systems.. ... Medtronic Inc

06/07/18 / #20180153709

Method and apparatus for post-operative tuning of a spinal implant

A tunable implant, system, and method enables a tunable implant to be adjusted within a patient. The tunable implant includes a securing mechanism to secure the implant in the patient, a actuation portion that enables the implant to move and an adjustment portion that permits adjustment of the implant after the implant has been positioned within the patient. ... Medtronic Inc

06/07/18 / #20180153695

Rapid exchange transcatheter valve delivery system

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

06/07/18 / #20180153691

Prosthetic heart valve delivery system with controlled expansion

A system for repairing a defective heart valve. The system includes a delivery device, a balloon and a prosthetic heart valve. ... Medtronic Inc

06/07/18 / #20180153685

Mitral valve prosthesis for transcatheter valve implantation

A transcatheter valve prosthesis is disclosed that has a compressed, delivery configuration and an expanded configuration for deployment within a native heart valve. The valve prosthesis includes a self-expanding frame and a prosthetic valve component. ... Medtronic Inc

06/07/18 / #20180153677

Modular aortic arch prosthetic assembly and method of use thereof

A prosthetic assembly configured for endovascular placement within an aortic arch and method of use thereof. The prosthetic assembly includes a proximal aortic stent-graft prosthesis configured to be positioned within a proximal portion of the aortic arch adjacent to the brachiocephalic artery, a distal aortic stent-graft prosthesis configured to be positioned within a distal portion of the aortic arch adjacent to the left subclavian artery, a first branch stent-graft prosthesis configured to be positioned within the brachiocephalic artery and a second branch stent-graft prosthesis configured to be positioned in one of the left common carotid and the left subclavian artery. ... Medtronic Inc

06/07/18 / #20180153562

Surgical bur with soft tissue protective geometry

A surgical bur includes a body and a drill point. The body includes flutes and lands. ... Medtronic Inc

06/07/18 / #20180153491

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

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

06/07/18 / #20180153475

Physiological sensor history backfill system and method

A physiological sensor history backfill system and method including a method of sensor history backfill for a local base device operable to wirelessly communicate with a physiological sensor connected to a patient, the method including: obtaining physiological readings for the patient at a predetermined interval; storing the physiological readings at the physiological sensor as sensor physiological readings; storing the physiological readings at the local base device as historic physiological readings; obtaining a current physiological reading for the patient; transmitting the current physiological reading to the local base device in a current reading message; detecting a record gap in the historic physiological readings between the current physiological reading and the historic physiological readings; and filling the record gap in the historic physiological readings with sensor physiological readings from the physiological sensor when the current reading message does not include the sensor physiological readings to fill the record gap.. . ... Medtronic Inc

05/31/18 / #20180150614

Interactive patient guidance for medical devices

Medical devices and related guidance systems and methods for interactive patient guidance are provided. An exemplary method of interactively providing guidance facilitating operation of a medical device involves identifying, at a computing device communicatively coupled to the medical device, a user objective associated with the medical device, obtaining, at the computing device from the medical device, user interface status information corresponding to a current state of a user interface of the medical device, and providing, on a display associated with the computing device, guidance information influenced by the user interface status information and the user objective. ... Medtronic Inc

05/31/18 / #20180147558

Zirconium oxide module conditioning

The invention relates to devices, systems, and methods for conditioning a zirconium oxide sorbent module for use in dialysis after recharging. The devices, systems, and methods can provide for conditioning and recharging of zirconium oxide in a single system, or in separate systems.. ... Medtronic Inc

05/31/18 / #20180147406

Medical electrical lead having biological surface and methods of making and using same

An implantable electrical lead suitable for left sided cardiac placement, the implantable medical electrical lead having an external blood contacting surface having an external coating including a monolayer of at least one biological agent that promotes endothelialization covalently attached to a polymeric lead surface.. . ... Medtronic Inc

05/31/18 / #20180147053

Sinus-engaging valve fixation member

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

05/31/18 / #20180147005

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

05/24/18 / #20180144826

Physiologic simulator system

Systems for the simulation of percutaneous medical procedures are disclosed. The systems can include a simulated vasculature including a first component configured to allow for introduction of a medical device into the system through an introductory port, a second component connected to the first component and shaped to simulate a portion of a human vasculature, and a third component connected to the second component and shaped to simulate a delivery site for the medical procedure. ... Medtronic Inc

05/24/18 / #20180143925

Methods and devices that utilize hardware to move blocks of operating parameter data from memory to a register set

A hardware based block moving controller of an active device such as an implantable medical device that provides electrical stimulation reads a parameter data from a block of memory and then writes the parameter data to a designated register set of a component that performs an active function. The block of memory may include data that specifies a size of the block of memory to be moved to the register set. ... Medtronic Inc

05/24/18 / #20180140846

Far-field p-wave sensing in near real-time for timing delivery of pacing 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

05/24/18 / #20180140826

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

05/17/18 / #20180137938

Patient monitoring systems and methods with automated display toggling

Systems, devices and methods are provided for monitoring a physiological condition of a patient. An exemplary method involves a computing device obtaining measurement data for the physiological condition of the patient, providing a graphical user interface display pertaining to monitoring the physiological condition of the patient and identifying a toggling condition for the graphical user interface display. ... Medtronic Inc

05/17/18 / #20180137252

Patient monitoring systems and methods with event log integration

Systems, devices and methods are provided for monitoring a physiological condition of a patient. An exemplary method involves a client computing device monitoring a first network for an indication data is available from a monitoring device associated with the patient, and in response to detecting the indication, establishing a communications session with the monitoring device on the first network and receiving the measurement data from the monitoring device over the first network. ... Medtronic Inc

05/17/18 / #20180133484

Stimulation vector selection using pulse width data

A method of programming an implantable medical device (imd) configured to provide electrical stimulation via a plurality of stimulation vectors during delivery of the electrical stimulation of a plurality of pulse widths to a neural target. The method may comprise comparing strength-duration curve data for the plurality of stimulation vectors to one another, the strength-duration curve data representing, for respective pulse widths and stimulation vectors, a corresponding stimulation strength that evokes a physiological response associated with the neural target. ... Medtronic Inc

05/17/18 / #20180133387

Parallel modules for in-line recharging of sorbents using alternate duty cycles

Parallel modules for in-line recharging of sorbent materials using alternate duty cycles for a sorbent cartridge. The sorbent cartridge can have two or more modules contained therein having connectors connecting each of the modules. ... Medtronic Inc

05/17/18 / #20180133033

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 member lining at least a portion of the outer member inner surface, and a lumen defined by the outer member inner surface or the radiopaque member inner surface. A substance is disposed in the lumen to be eluted through at least one opening disposed through the outer member to the lumen. ... Medtronic Inc

05/17/18 / #20180133006

Stabilization and advancement system for direct aortic transcatheter aortic valve implantation

A system for stabilizing and advancing a delivery system for direct access tavi. The system includes an introducer support coupled to an introducer and a stable object, a cradle mechanism coupled to a handle of the delivery system and a stable object, and an adjustment mechanism coupled to the delivery system. ... Medtronic Inc

05/17/18 / #20180132961

Medical device anchoring

Techniques, systems and apparatus for anchoring a therapy delivery device within a body portal are disclosed. An anchoring apparatus may comprise a first part comprising an outer sidewall and opposing grip surfaces. ... Medtronic Inc

05/17/18 / #20180132931

Renal neuromodulation methods and systems for treatment of hyperaldosteronism

Methods for treating hyperaldosteronism with therapeutic renal neuromodulation and associated systems and methods are disclosed herein. One aspect of the present technology, for example, is directed to methods that at least partially inhibit sympathetic neural activity in renal nerves proximate a renal blood vessel of a human patient. ... Medtronic Inc

05/17/18 / #20180132793

System and methods of processing accelerometer signals

Embodiments of the present disclosure describe a method of monitoring a patient comprising generating an accelerometer signal of a patient via a patient medical device and capturing and sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals. Embodiments further describe a patient medical device comprising sensors for monitoring an accelerometer signal of a patient and circuitry for sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals. ... Medtronic Inc

05/17/18 / #20180132745

Method and medical device for discriminating between a supraventricular tachycardia and a ventricular tachycardia

A method for automatically discriminating between a supraventricular tachycardia event and a ventricular tachycardia event is provided. The method includes sensing a first cardiac signal using a first electrode pair and a second cardiac signal using a second electrode pair during a heartbeat, applying a first algorithm to the first cardiac signal to determine whether the first cardiac signal is indicative for a supraventricular tachycardia or indicative for the ventricular tachycardia; applying a second algorithm to the second cardiac signal to determine whether the second cardiac signal is indicative for the supraventricular tachycardia or indicative for the ventricular tachycardia, the second comparison algorithm being different from the first comparison algorithm; and assigning to a heartbeat-specific indicator a first value indicative for the ventricular tachycardia when at least one of the first cardiac signal and the second cardiac signal have been determined to be indicative tor the ventricular tachycardia.. ... Medtronic Inc

05/17/18 / #20180132733

Separable monitoring device and method

A patient monitoring device includes reusable and disposable portions. The disposable portion includes two or more electrodes for coupling to the skin of the patient, a battery, and a first set of electrical contacts. ... Medtronic Inc

05/10/18 / #20180126177

Thermal management for recharge of implantable medical devices

Devices, systems, and techniques are configured for cooling tissue during recharge of an implantable medical device (imd) battery. In one example, a method includes charging, by an inductive charger, a rechargeable battery of an implantable medical device (imd) within a patient, wherein the imd comprises a housing that houses the rechargeable battery, and wherein a primary coil of the inductive charger is positioned above a region of skin of the patient proximate to the imd. ... Medtronic Inc

05/10/18 / #20180126172

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

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

05/10/18 / #20180126135

Drug-filled stents with filaments for increased lumen surface area and method of manufacture thereof

A stent including a hollow wire formed into a stent pattern. The hollow wire includes an outer member having an outer surface and an inner surface, a lumen extending longitudinally within the hollow wire, at least one opening extending from the outer surface of the outer member to the lumen, and a plurality of filaments extending longitudinally within the lumen. ... Medtronic Inc

05/10/18 / #20180126127

Chordae tendineae management devices for use with a valve prosthesis delivery system and methods of use thereof

Embodiments hereof relate to methods of delivering a valve prosthesis to an annulus of a native valve of a heart, the native valve having chordae tendineae. A chordae management catheter is positioned within a ventricle of the heart, the chordae management catheter having a displacement component at a distal end thereof. ... Medtronic Inc

05/10/18 / #20180126121

Telescoping catheter

A telescoping catheter including an elongated tubular member having a proximal end, a distal end, and a passageway extending between the proximal end and the distal end. The tubular member includes a first tubular segment and a second tubular segment. ... Medtronic Inc

05/10/18 / #20180126073

Methods and apparatus for detecting and reacting to insufficient hypoglycemia response

A method for providing blood glucose data is provided. In response to a suspension of a continuous basal insulin delivery, by an insulin delivery pump, the method identifies a condition indicating continuing hypoglycemia that continues when basal insulin delivery is suspended; and performs an action, by the insulin delivery pump, based on identifying the condition.. ... Medtronic Inc

05/10/18 / #20180126070

Belt clip

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

05/10/18 / #20180126057

Systems and methods for oxygenator performance evaluation

Systems and methods for monitoring oxygenator performance in extracorporeal circuit systems or the like. More particularly, the disclosure relates to systems and methods including a controller programmed to determine oxygenator apparatus flow impedance as a function of an inlet pressure measurement, an outlet pressure measurement and a blood flow rate measurement. ... Medtronic Inc

05/10/18 / #20180126055

Detachable module for recharging sorbent materials with optional bypass

A detachable module for optionally recharging sorbent materials, including zirconium phosphate, with an optional bypass and conduits for a sorbent cartridge. The sorbent cartridge can have one or more modules contained therein having connectors connecting each of the modules. ... Medtronic Inc

05/10/18 / #20180125685

Drug-filled stents to prevent vessel micro-injuries and methods of manufacture thereof

A stent includes a hollow wire formed into a stent pattern. The hollow wire includes an outer member, a lumen extending longitudinally within the hollow wire, at least one opening extending from an outer surface of the outer member to the lumen, and a surface area component within the hollow wire. ... Medtronic Inc

05/10/18 / #20180125655

Medical device delivery system and methods of delivering a medical device

A medical device delivery system can include a dilator including a tip having a taper in a distal direction, a coupler, and a flap that radially protrudes from the tip. The flap can be configured to bend against a body lumen to cover at least a portion of the delivery system when the dilator is tracked through the body lumen. ... Medtronic Inc

05/10/18 / #20180125654

Valve delivery system

A valve delivery system including a valve prosthesis, a first catheter, and a second catheter. The valve prosthesis comprises a first frame and a second frame. ... Medtronic Inc

05/10/18 / #20180125642

Valve delivery system having an integral displacement component for managing chordae tendineae in situ and methods of use thereof

Embodiments hereof relate methods of delivering a valve prosthesis to an annulus of a native valve of a heart. A valve delivery system is introduced into a ventricle of the heart via a ventricular wall of the heart. ... Medtronic Inc

05/10/18 / #20180125631

Stents formed from dissimilar metals for tissue growth control

Stents formed from dissimilar materials configured to control tissue growth. A stent may be formed from a composite wire helically wound into a stent having a tubular configuration. ... Medtronic Inc

05/10/18 / #20180125604

Automatic identification of tracked surgical devices using an electromagnetic localization system

A method and apparatus for identifying a member used in a navigation system. The navigation system can determine the identification of an instrument via an input. ... Medtronic Inc

05/10/18 / #20180125388

Coordination of functional mri scanning and electrical stimulation therapy

Changes in electrical stimulation therapy delivered via a medical device are coordinated with functional magnetic resonance imaging (fmri) scans. In one example, a medical device delivers electrical stimulation therapy to a patient in an mri unit, where the medical device is configured to cycle electrical stimulation therapy between a plurality of stimulation states. ... Medtronic Inc

05/03/18 / #20180117363

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

05/03/18 / #20180117337

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and at least one ventricular diastolic event. The pacemaker is configured to set an atrial refractory period, detect a change in a ventricular diastolic event metric and adjust the atrial refractory period in response to detecting the change. ... Medtronic Inc

05/03/18 / #20180117324

Pacemaker mediated tachycardia detection and intervention

A method of employing an implantable medical device to detect pacemaker mediated tachycardia (pmt) and adjusting a parameter (e.g. Pvarp) in response to confirmation of the pmt. ... Medtronic Inc

05/03/18 / #20180117311

Field steerable electrical stimulation paddle, lead system, and medical device incorporating the same

An implantable electrode paddle is adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue. The paddle includes a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, an electrode array including a plurality of electrode groups, each electrode group including at least two electrodes individually secured in a respective window and spaced between about 0.1 mm and about 10 mm apart, and a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal. ... Medtronic Inc

05/03/18 / #20180117307

Electrode fixation in interventional medical systems

An implantable medical device assembly includes a mounting structure, an electrode, and fixation tines. The electrode protrudes from a surface of the structure, offset proximally from a distal end of the structure, and approximately centered between first and second sides of the structure. ... Medtronic Inc

05/03/18 / #20180117303

Implantable extravascular electrical stimulation lead having improved sensing and pacing capability

Implantable medical electrical leads having electrodes arranged such that a defibrillation coil electrode and a pace/sense electrode(s) are concurrently positioned substantially over the ventricle when implanted as described. The leads include an elongated lead body having a distal portion and a proximal end, a connector at the proximal end of the lead body, a defibrillation electrode located along the distal portion of the lead body, wherein the defibrillation electrode includes a first electrode segment and a second electrode segment proximal to the first electrode segment by a distance. ... Medtronic Inc

05/03/18 / #20180117281

Burr hole cap assembly with therapy delivery member orientation feature

In some examples, a burr hole cap assembly includes one or more markers that indicate a rotational orientation of a therapy delivery member relative to the burr hole cap assembly, where the therapy delivery member extends through an opening defined by the burr hole cap assembly. In addition, in some examples, the burr hole cap assembly includes a feature that indicates the rotational orientation of the therapy delivery member after the therapy delivery member is implanted in the patient. ... Medtronic Inc

05/03/18 / #20180116723

Methods and systems for optimizing perivascular neuromodulation therapy using computational fluid dynamics

Methods and systems for optimizing perivascular neuromodulation therapy using computational fluid dynamics. Digital data regarding three-dimensional imaging of a target blood vessel and corresponding hemodynamic data are inputs to generating a computational fluid dynamics (cfd) model. ... Medtronic Inc

05/03/18 / #20180116715

Methods and apparatus for intravascularly-induced neuromodulation

Methods and apparatus are provided for intravascularly-induced neuromodulation using a pulsed electric field, e.g., to effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, changes in cytokine upregulation, etc., in target neural fibers. In some embodiments, the intravascular pef system comprises a catheter having a pair of bipolar electrodes for delivering the pef, with a first electrode positioned on a first side of an impedance-altering element and a second electrode positioned on an opposing side of the impedance-altering element. ... Medtronic Inc

05/03/18 / #20180116713

Renal neuromodulation methods and devices for treatment of polycystic kidney disease

Methods for treating polycystic kidney disease with therapeutic renal neuromodulation and associated systems and methods are disclosed herein. One aspect of the present technology is directed to methods that at least partially inhibit sympathetic neural activity in nerves proximate a renal artery of a kidney of a patient. ... Medtronic Inc

05/03/18 / #20180116598

System and methods of determining etiology of undiagnosed symptomatic events

Embodiments describe a method of determining etiology of undiagnosed events comprising monitoring electrocardiogram signals and blood pressure of a patient via a medical device, capturing one or more of an ecg segment and a bp reading in response to a triggering event, classifying one or more of the ecg segment and bp reading as normal or abnormal, and determining etiology of undiagnosed symptomatic events based on the classification. Embodiments further describe a medical device comprising sensors for monitoring ecg signals and bp of a patient, circuitry for capturing one or more of ecg segments and bp readings of a patient in response to a triggering event, and a processor for communicating one of more of captured ecg segments and captured bp readings to a remote monitoring center directly or indirectly where the captured ecg segments and captured bp readings are classified as normal or abnormal.. ... Medtronic Inc

05/03/18 / #20180116538

Method and apparatus for detecting electrocardiographic abnormalities based on monitored high frequency qrs potentials

A system and method of monitoring electrocardiogram (ecg) signals and detecting ischemic conditions. In particular, high-frequency components and low-frequency components are extracted from the monitored ecg signal. ... Medtronic Inc

05/03/18 / #20180116536

System and method for onset/offset capture

A medical device is utilized to monitor physiological parameters of a patient and capture segments of the monitored physiological parameters. The medical device includes circuitry configured to monitor one or more physiological parameters associated with the patient and an analysis module that includes a buffer and a processor. ... Medtronic Inc

04/19/18 / #20180104495

Therapeutic window determination

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

04/19/18 / #20180104483

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

04/19/18 / #20180104410

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

04/19/18 / #20180104006

Vein occlusion assessment using temperature

A medical system, comprising an ablation catheter is disclosed. The ablation catheter includes an elongate shaft with a proximal end, a distal end and a lumen disposed between the proximal end and the distal end. ... Medtronic Inc

04/19/18 / #20180104005

Methods and apparatus for performing a non-continuous circumferential treatment of a body lumen

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

04/19/18 / #20180103978

Shaped lead introducer for epidural space

A shaped lead introducer being elastically deflectable and having a pre-set shape end portion and forming a pre-set angle for implanting leads into an epidural space of a patient.. . ... Medtronic Inc

04/12/18 / #20180101655

Remote patient monitoring system

Techniques for systems and methods for remotely monitoring a patient are provided. The system comprises a plurality of input sources operable to acquire patient-specific information corresponding to a condition of a patient. ... Medtronic Inc

04/12/18 / #20180101151

Medical devices and related updating methods and systems

Apparatus are provided for medical devices and related operating systems and methods. An exemplary medical device includes a motor, one or more data storage elements to maintain control information, and a control module coupled to the motor and the one or more data storage elements. ... Medtronic Inc

04/12/18 / #20180099138

Electrode fixation in interventional medical systems

An implantable medical device assembly includes a mounting structure, an electrode protruding from a surface of the structure, between opposing sides thereof, and tissue-penetrating fixation tines, each extending from a corresponding shoulder of the structure surface, adjacent to the opposing sides. In a relaxed condition, each tine extends away from the surface and then bends toward a proximal end of the structure and back toward the surface. ... Medtronic Inc

04/12/18 / #20180099124

System and method for crossing a native heart valve with a guidewire

A system for crossing a heart valve with a guidewire includes an advancement motor and a controller. The controller controls when the advancement motor advances and retracts the guidewire. ... Medtronic Inc

04/12/18 / #20180099092

Infusion systems and methods for automated exercise mitigation

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves a control system associated with the infusion device obtaining a first measurement indicative of a physiological condition of the user from a first sensing arrangement, obtaining one or more measurements from a second sensing arrangement indicative of a second condition of the user. ... Medtronic Inc

04/12/18 / #20180099079

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

04/12/18 / #20180098848

Stented prosthetic heart valve delivery system having an expandable bumper

Delivery devices for delivery of a stented prosthetic heart valve. Various delivery devices include an outer sheath assembly including an outer sheath connected to a capsule that is advanced proximally to retain the prosthetic valve, which is secured over an inner shaft assembly of the delivery device. ... Medtronic Inc

04/12/18 / #20180098846

Delivery system for a valve prosthesis

A heart valve prosthesis and delivery systems are provided for replacing a cardiac valve. The heart valve prosthesis includes a self-expanding frame includes a portion having a crimp that provides additional flexibility to the self-expanding frame in the collapsed configuration.. ... Medtronic Inc

04/12/18 / #20180098810

Systems and methods of performing medical procedures

A medical method is provided, including a medical device having a distal assembly including at least one electrode and at least one treatment element, the medical device generating information regarding at least one of a physiological measurement and an operational parameter of the medical device; a plurality of surface electrodes affixable to a skin of the patient, wherein the surface electrodes are in electrical communication with the distal assembly to obtain position information of the medical device; and a processor pairing the position information and the at least one of a physiological measurement and an operational parameter of the medical device.. . ... Medtronic Inc

04/12/18 / #20180098704

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

04/05/18 / #20180092682

Spiral electrode for neuromodulation therapy

Catheters having spiral electrodes and methods for their use in neuromodulation therapy. A therapeutic assembly is disposed at a distal portion of a neuromodulation catheter and is adapted to be located at a target location within a target blood vessel of a human patient. ... Medtronic Inc

03/29/18 / #20180085592

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

03/29/18 / #20180085590

Brain stimulation programming

A programming system allows a user to program therapy parameter values for therapy delivered by a medical device by specifying a desired therapeutic outcome. In an example, the programming system presents a model of a brain network associated with a patient condition to the user. ... Medtronic Inc

03/29/18 / #20180085589

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. ... Medtronic Inc

03/29/18 / #20180085588

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.. ... Medtronic Inc

03/29/18 / #20180085586

Adaptive deep brain stimulation using frequency sub-bands

Techniques are disclosed for delivering electrical stimulation therapy to a patient. In one example, a medical system delivers electrical stimulation therapy to a tissue of the patient via electrodes. ... Medtronic Inc

03/29/18 / #20180085585

Adaptive deep brain stimulation using movement desynchronization

Techniques are disclosed for delivering electrical stimulation therapy to a patient. In one example, a medical system delivers electrical stimulation therapy to a tissue of the patient via electrodes. ... Medtronic Inc

03/29/18 / #20180085579

Enabling and disabling anti-tachyarrhythmia pacing in a concomitant medical device system

An implantable medical device comprising a signal generator configured to generate and deliver anti-tachyarrhythmia pacing (atp) to a heart of a patient and processing circuitry. The processing circuitry is configured to detect an enable event, responsive to detecting the enable event, enable the delivery of atp by the signal generator, detect a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, and responsive to detecting the disable event, disable delivery of atp.. ... Medtronic Inc

03/29/18 / #20180085572

Adaptive deep brain stimulation using homeostatic window

Techniques are disclosed for defining a homeostatic window for controlling delivery of electrical stimulation therapy to a patient. In one example, a method includes generating and delivering electrical stimulation therapy to tissue of a patient via electrodes. ... Medtronic Inc

03/29/18 / #20180085524

User-configurable closed-loop notifications and infusion systems incorporating same

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves storing alert configuration information for the user, identifying an alert condition while operating the infusion device to deliver the fluid based at least in part on the alert configuration information for the user, and in response to identifying the alert condition, providing a user notification in accordance with the user's stored alert configuration information.. ... Medtronic Inc

03/29/18 / #20180085523

User-configurable closed-loop notifications and infusion systems incorporating same

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves storing alert configuration information for the user, identifying an alert condition while operating the infusion device to deliver the fluid based at least in part on the alert configuration information for the user, and in response to identifying the alert condition, providing a user notification in accordance with the user's stored alert configuration information.. ... Medtronic Inc








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