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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


Peritoneal dialysate flow path sensing

The invention relates to systems and methods for sensing fluid characteristics of peritoneal dialysate infused into and removed from a patient during treatment. The systems and methods include sensors, processors, and flow paths for determining patient health based on the fluid characteristics of the peritoneal dialysate. The system can be... Medtronic Inc

Intersession adaptive peritoneal dialysis fluid removal for multiple session optimization

The invention relates to systems and methods for optimizing a peritoneal dialysate therapy session based on one or more patient or system parameters obtained from a previous peritoneal dialysis therapy session. The systems and methods include various sensors, flow paths, and processors to adjust a peritoneal dialysis prescription for a... Medtronic Inc

Peritoneal dialysis filtrate sampling and adaptive prescription

The invention relates to systems and methods for optimizing a peritoneal dialysate prescription based on one or more fluid characteristics sensed from a filtrate removed from a patient. The systems and methods include sensors, flow paths, and processors to adjust a peritoneal dialysate prescription and deliver peritoneal dialysis therapy to... Medtronic Inc

Adaptive peritoneal dialysis intra-session adjustments for overall session optimization

The invention relates to systems and methods for adjusting one or more dialysis parameters for delivering a peritoneal dialysis cycle to a patient based on patient or system parameters. The systems and methods include various sensors, flow paths, and processors to adjust the dialysis parameters used to deliver peritoneal dialysis... Medtronic Inc

Peritoneal dialysis intracycle osmotic agent adjustment

The invention relates to systems and methods for making intracycle adjustments to an osmotic agent concentration of peritoneal dialysate inside the peritoneal cavity of a patient. The systems and methods include osmotic agent sources, flow paths, and processors to adjust the osmotic agent concentration of dialysate in the peritoneal cavity... Medtronic Inc

Catheter and peritoneum health monitoring

The invention relates to systems and methods for monitoring the long term health of the peritoneum and catheter in a patient undergoing peritoneal dialysis (PD) treatment. The systems and methods include processors and sensors for determining changes in the peritoneum health or catheter of a PD patient to support analysis,... Medtronic Inc

Peritoneal dialysate purity control system

The invention relates to devices, systems, and methods for generating a peritoneal dialysate having purity and sterility characteristics suitable for Peritoneal Dialysis (PD). The peritoneal dialysate can be generated from water of variable quality using a purity control system having one or more ultrafilters for sterilization of the peritoneal dialysate... Medtronic Inc

Managing recharge power for implantable medical devices

Devices, systems, and techniques for estimating energy transfer to tissue of a patient during battery charging for an implantable medical device are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. An external charging device may calculate an estimated energy transfer to tissue of... Medtronic Inc

Methods, devices, and systems for communicating with an implantable medical device of a last far field communication session during a subsequent far field communication session while using a same session key

An external device transfers a key to an implantable medical device over a proximity communication and then establishes a first far field communication session with the implantable medical device where the key is used for the first communication session. This first communication session may occur before implantation while the implantable... Medtronic Inc

Methods, devices, and systems for communicating with an implantable medical device of a last far field communication session during a subsequent far field communication session while using a same session key

An external device transfers a key to an implantable medical device over a proximity communication and then establishes a first far field communication session with the implantable medical device where the key is used for the first communication session. This first communication session may occur before implantation while the implantable... Medtronic Inc

Change in physiological parameter in response to exertion event

A method for monitoring health of a subject based on a physiological response to physical exertion, by processing circuitry of a medical device system, is described that includes detecting a plurality of exertion events of the subject based on a first sensed signal that varies as a function of movement... Medtronic Inc

Automatic heart rate diagnostics

In some examples, processing circuitry of a medical device system determines, for each of a plurality of periods, a plurality of heart rates of a patient based on a cardiac electrogram signal, and identifies a first subset of the plurality of heart rates as nighttime heart rates and a second... Medtronic Inc

Step detection using accelerometer axis

Examples described herein include a medical device system comprising an accelerometer circuitry configured to output a signal indicative of variations in accelerations along a single axis of movement of patient; and processing circuitry configured to receive the output signal from the accelerometer, and to rectify the output signal to generate... Medtronic Inc

Accelerometer signal change as a measure of patient functional status

A medical device system that includes accelerometer circuitry configured to generate signals including a sagittal axis signal, a vertical axis signal and a transverse axis signal, and processing circuitry configured to calculate a patient-specific functional status parameter associated with a Sit-To-Stand test from at least one of the sagittal axis... Medtronic Inc

Mobile application to prompt physical action to measure physiologic response in implantable device

A user equipment that includes a touchscreen, and at least one processor configured to generate first timestamp data based upon detection of a first touch event on the touchscreen, and second timestamp data based upon detection of a second touch event on the touchscreen, for calculation by a medical device... Medtronic Inc

Delivery system with inline sheath

Systems and methods for delivering and implanting heart valves are disclosed. The delivery systems can include an integrated introducer. The integrated introducer can include a sheath having an inner diameter that is smaller than the outer diameter of a delivery capsule of the delivery system and an outer diameter that... Medtronic Inc

Inductively rechargeable external energy source, charger, 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. For example, the sensor may measure temperature of... Medtronic Inc

Dual prophylactic and abortive electrical stimulation

Prophylactic stimulation and abortive electrical stimulation are delivered to a cranial nerve, including, e.g. an occipital or trigeminal nerve to treat symptoms of various conditions, including, e.g. occipital neuralgia or migraines.... Medtronic Inc

Method and atrial arrhythmia episode detection

Techniques and devices for implementing the techniques for adjusting atrial arrhythmia detection based on analysis of one or more P-wave sensing windows associated with one or more R-waves. An implantable medical device may determine signal characteristics of the cardiac signal within the P-wave sensing window, determine whether the cardiac signal... Medtronic Inc

Cardiac electrical signal noise detection for tachyarrhythmia episode rejection

A medical device, such as an extra-cardiovascular implantable cardioverter defibrillator (ICD), senses R-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal acquired by a second sensing channel in response to each sensed R-wave. The medical device... Medtronic Inc

Cardiac electrical signal gross morphology-based noise detection for rejection of ventricular tachyarrhythmia detection

A medical device system, such as an extra-cardiovascular implantable cardioverter defibrillator ICD, senses R-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal in response to each sensed R-wave. The medical device system determines a morphology parameter... Medtronic Inc

Automatic thresholds for atrial tachyarrhythmia detection in an implantable medical device

A system for detecting an atrial tachyarrhythmia episode includes a medical device having sensing circuitry configured to receive a cardiac electrical signal from electrodes coupled to the medical device and a processor configured to detect an atrial tachyarrhythmia episode in response to a time duration of the cardiac electrical signal... Medtronic Inc

Cardiac electrical signal gross morphology-based noise detection for rejection of ventricular tachyarrhythmia detection

A medical device system, such as an extra-cardiovascular implantable cardioverter defibrillator ICD, senses R-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal in response to each sensed R-wave. The medical device system determines a morphology parameter... Medtronic Inc

Interventional medical systems and associated tethering assemblies and methods

In an interventional medical system, a delivery catheter for deploying a medical device of the system has a tethering assembly that includes a tether line, a grip member, and a release member, wherein the tether line extends through a longitudinal lumen of a base of the release member and is... Medtronic Inc

System and controlling cardiac pacing mode switching

An implantable medical device system operates in an atrial synchronized ventricular pacing mode and switches to an atrial-asynchronous pacing mode when pacing mode switching criteria are met. A control circuit of the system detects a cycle length change between two atrial cycle lengths determined from a cardiac signal that includes... Medtronic Inc

Facilitating telemetry data communication security between an implantable device and an external device

Systems, apparatus, methods and non-transitory computer readable media facilitating telemetry data communication security between an implantable device and an external clinician device are provided. An implantable device can include a security component configured to generate security information based on reception of a clinician telemetry session request from the clinician device... Medtronic Inc

Cardiac electrical signal morphology and pattern-based t-wave oversensing rejection

A medical device, such as an extra-cardiovascular implantable cardioverter defibrillator (ICD), senses R-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal acquired by a second sensing channel in response to each sensed R-wave. The ICD determines... Medtronic Inc

Identifying ambiguous cardiac signals for electrophysiologic mapping

A system and associated method for determining whether a signal is ambiguous, wherein the system includes a plurality of electrodes configured to be located proximate tissue of a patient. A display apparatus thereof includes a graphical user interface configured to present information to a user. A computing apparatus thereof is... Medtronic Inc

Peritoneal dialysate temperature regulation system

The invention relates to devices, systems, and methods for temperature regulation in generating peritoneal dialysate and using a peritoneal dialysis (PD) system. The system can use a heater and temperature sensors to regulate the temperature of fluid within the PD system.... Medtronic Inc

Peritoneal dialysate preparation and sensor system

The invention relates to devices, systems, and methods for generating a peritoneal dialysate having specified concentrations of one or more solutes. The devices, systems and methods use conductivity sensors, flow meters, and composition sensors to control addition of osmotic agents and ion concentrates into a peritoneal dialysate generation flow path.... Medtronic Inc

Interventional medical systems and associated assemblies and methods

A catheter assembly includes a cap and a spring-biased tethering member coupled thereto. The cap includes first and second portions, and a transition zone extending therebetween. A girth of the first portion is sized to fit within a distal-most opening of the catheter assembly; and a girth of the second... Medtronic Inc

Machining of enclosures for implantable medical devices

Enclosures for implantable medical devices are machined from biocompatible materials using processes such as electric discharge machining and/or milling. Material is machined to create an enclosure. The enclosure may include an enclosure sleeve that has top and bottom caps added where the enclosure sleeve is machined either as a whole... Medtronic Inc

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... Medtronic Inc

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. The techniques may be applied to a programming interface associated with... Medtronic Inc

Implantable urinary tract valve

A urinary tract valve includes an expandable valve element positionable within a bladder of a patient via a urinary tract of the patient in a collapsed configuration. The expandable valve element is configured to transition from the collapsed configuration to an expanded configuration after being positioned within the bladder of... Medtronic Inc

01/04/18 / #20180000587

Prosthetic heart valve devices and methods of valve repair

A mechanism for adjusting the chordae connecting the leaflets of a mitral valve to the papillary muscles in order to restore normal functioning of the mitral valve. The devices or mechanisms can correct problems associated with both prolapsed leaflets and restricted leaflets to allow the leaflets to properly coapt, thereby... Medtronic Inc

01/04/18 / #20180001011

Sensing and storage system for fluid balance

A sensing and storage system for fluid balance during dialysis is provided. The sensing and storage system has flow sensors on either side of a dialyzer in a controlled volume dialysate flow path. The sensors are positioned so that no fluid can be added to or removed from the dialysate... Medtronic Inc

01/04/18 / #20180001023

Therapy program modification based on a therapy field model

Techniques for modeling therapy fields for therapy delivered by medical devices are described. Each therapy field model is based on a set of therapy parameters and represents where therapy will propagate from the therapy system delivering therapy according to the set of therapy parameters. Therapy field models may be useful... Medtronic Inc

01/04/18 / #20180001095

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

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

12/28/17 / #20170368335

System and 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. According... Medtronic Inc

12/28/17 / #20170368338

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... Medtronic Inc

12/21/17 / #20170360320

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. The medical device detects worsening... Medtronic Inc

12/21/17 / #20170361006

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... Medtronic Inc

12/21/17 / #20170361068

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... 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... 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... Medtronic Inc

12/14/17 / #20170354824

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. The control module sets a lower pacing rate... Medtronic Inc

12/14/17 / #20170354827

System and 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... 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... 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... 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. The pressure sensor may define at least a portion of a fluid enclosure of the IMD. In one example, the... 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. The conductor has a proximal end configured to... 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. In one or more embodiments, a computer-implemented method includes sensing a first electrical signal from a heart of a patient through a... Medtronic Inc

11/30/17 / #20170340887

Electrogram-based control of cardiac resynchronization therapy

In some examples, controlling delivery of CRT includes delivering ventricular pacing according to a sequence of different values of at least one of A-V delay or V-V delay, and acquiring one or more electrograms from respective vectors. For each of the different values of the at least one of A-V... 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... Medtronic Inc

11/23/17 / #20170333184

Method and 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... 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... 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 / #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. During telemetry, particularly outside of a recharge period, the reactance may... 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. The side elements define a varying height profile and a greatest height adjacent an inner surface of... 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... 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,... 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 / #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,... Medtronic Inc

Patent Packs
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... 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. A field strength-programming interface may be at a middle level of abstraction and may include electromagnetic field-strength patterns... 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. The ICD system includes an ICD and an implantable defibrillation lead... Medtronic Inc

11/02/17 / #20170311878

Sleep stage detection

Therapy delivery to a patient may be controlled based on a determined sleep stage of the patient. In examples, the sleep stage may be determined based on a frequency characteristic of a biosignal indicative of brain activity of the patient. A frequency characteristic may include, for example, a power level... Medtronic Inc

11/02/17 / #20170312415

Sorbent cartridge to measure solute concentrations

A sorbent based monitoring system for measuring the solute concentration of at least one component of a fluid. The system has a sorbent regeneration system for regeneration of the fluid and has a sorbent cartridge that has at least one material layer. The fluid is conveyed through the sorbent cartridge... Medtronic Inc

11/02/17 / #20170312479

Interventional medical systems and improved assemblies thereof and associated methods of use

A system includes a delivery catheter and a separately-packaged implantable medical device assembly. The assembly includes a relatively compact implantable medical device, a support shaft, a tether, and a snare mandrel. The tether, which extends in the support shaft, has a distal portion coupled to the device, at a distal... Medtronic Inc

11/02/17 / #20170312494

Lead implant fixation mechanism

A fixation mechanism of an implantable lead includes a plurality of depressions of an outermost surface of the lead and a relatively flexible sleeve mounted around the outermost surface. The depressions are spaced apart from one another along a length, and each extends circumferentially, wherein a longitudinal center-to-center spacing between... Medtronic Inc

11/02/17 / #20170312496

Interventional medical systems, associated assemblies and methods

A catheter inner assembly includes a receptacle with an interior contour configured to mate with a head and neck contour of a holding member of an implantable medical device; and a laterally facing opening of the receptacle has a profile matching a longitudinal profile of the head and neck. Thus,... Medtronic Inc

11/02/17 / #20170312500

Electrode assemblies, methods, and components thereof for implantable medical electrical leads

An implantable medical electrical lead includes an electrode assembly in which an electrical junction between a first conductor and an inner surface of a first electrode of the assembly is wedged within a first channel of at least one core member of the assembly, around which the first electrode extends.... Medtronic Inc

11/02/17 / #20170312502

Methods and implantable medical devices for automatic entry to an exposure mode of operation upon exposure to a magnetic disturbance

Implantable medical devices automatically switch from a normal mode of operation to an exposure mode of operation and back to the normal mode of operation. The implantable medical devices may utilize hysteresis timers in order to determine if entry and/or exit criteria for the exposure mode are met. The implantable... Medtronic Inc

11/02/17 / #20170312510

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... Medtronic Inc

11/02/17 / #20170312514

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,... Medtronic Inc

11/02/17 / #20170312516

Latency-based adaptation of anti-tachyarrhythmia pacing therapy

An implantable medical device comprises therapy delivery circuitry and processing circuitry. The therapy delivery circuitry is configured to deliver anti-tachycardia pacing (ATP) therapy to a heart of a patient. The ATP therapy includes one or more pulse trains and each of the one or more pulse trains includes a plurality... Medtronic Inc

11/02/17 / #20170312530

Managing telemetry communication modes of an implantable device

Systems, apparatus, methods and computer-readable storage media facilitating management of operation of an implantable medical device (“IMD”) using a number of communication modes are provided. An IMD is configured to operate in a disabled mode wherein radio frequency (RF) telemetry communication is disabled, or operate in a first advertising mode... Medtronic Inc

11/02/17 / #20170312531

Operation of an extracardiovascular implantable cardioverter defibrillator (icd) during implantation of another medical device

Techniques are disclosed for determining, by an extracardiovascular implantable cardioverter defibrillator (ICD) implanted in a patient, whether one or more test therapy signals generated by another medical device implanted in the patient is detected. In response to detecting the one or more test therapy signals, the extracardiovascular ICD provides an... Medtronic Inc

Patent Packs
11/02/17 / #20170312532

System and sensing and detection in an extra-cardiovascular implantable cardioverter defibrillator

An extra-cardiovascular implantable cardioverter defibrillator senses R-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal in response to each sensed R-wave. The ICD determines intervals between successively sensed R-waves and, in response to at least a... Medtronic Inc

11/02/17 / #20170312533

Asystole detection and response in an implantable cardioverter defibrillator

An implantable cardioverter defibrillator (ICD) receives a cardiac electrical signal by a sensing circuit while operating in a sensing without pacing mode and detects asystole based on the cardiac electrical signal. The ICD determines, in response to detecting the asystole, if asystole backup pacing is enabled, and automatically switches to... Medtronic Inc

11/02/17 / #20170312534

Multi-threshold sensing of cardiac electrical signals in an extracardiovascular implantable cardioverter defibrillator

An implantable medical device system capable of sensing cardiac electrical signals includes a sensing circuit, a therapy delivery circuit and a control circuit. The sensing circuit is configured to receive a cardiac electrical signal and sense a cardiac event in response to the signal crossing a cardiac event sensing threshold.... Medtronic Inc

11/02/17 / #20170313853

Hydrolytically stable polymer compositions, articles, and methods

A composition, article, and method for increasing the hydrolytic stability of a polymer; wherein a composition includes: a polymer comprising functional groups having hydrolyzable bonds; a carbodiimide compound; and a weak base (or hindered amine); wherein the carbodiimide compound and weak base (or hindered amine) are used in amounts effective... Medtronic Inc

11/02/17 / #20170317518

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

Far field telemetry operations are conducted between an external device and an implantable medical device while power is being transferred to the implantable medical device for purposes of recharging a battery of the implantable medical device. The far field operations may include exchanging recharge information that has been collected by... 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. One of a right ventricular (RV) lead is introduced... 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... 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. The... 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. A processor controls therapy delivery to the patient based on at least... 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 / #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... Medtronic Inc

10/19/17 / #20170296217

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

A device and method for ablating tissue is disclosed comprising the steps of acquiring an anatomical image of a patient, correlating the image to the patient, guiding an ablating member within the patient while tracking the position of the ablating member in the patient, positioning the ablating member in a... Medtronic Inc

10/19/17 / #20170296342

Annuloplasty ring holder

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

10/19/17 / #20170296827

Methods and implantable medical systems that implement exposure modes of therapy that allow for continued operation during exposure to a magnetic disturbance

Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including... Medtronic Inc

10/19/17 / #20170296830

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... Medtronic Inc

10/19/17 / #20170296831

Modular shield extender

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

10/19/17 / #20170296832

Interconnection of conductor to feedthrough

A method of interconnecting a conductor and a hermetic feedthrough of an implantable medical device includes welding a lead to a pad on a feedthrough. The feedthrough includes a ceramic insulator and a via hermetically bonded to the insulator. The via includes platinum. The pad is bonded to the insulator... Medtronic Inc

10/19/17 / #20170296835

Methods and implantable medical systems that implement exposure modes of therapy that allow for continued operation during exposure to a magnetic disturbance

Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including... 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... 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... 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. The device classifies the predetermined time period as one of unclassified,... 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... 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 / #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... 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. An optional integrated cycler for direct infusion of the generated peritoneal dialysate is included.... 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. Adhesive elements may be disposed... 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... 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... 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 %. The... Medtronic Inc








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