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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


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. The medical monitoring device applies a forward computational procedure to... Medtronic Inc

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

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. An extracorporeal flow path is in fluid communication... Medtronic Inc

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... Medtronic Inc

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. Further, the method includes adjusting a level of a parameter of the electrical... Medtronic Inc

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

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. The medical system determines a first change of a first sensed signal of the patient to movement by the patient and... Medtronic Inc

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. The medical system determines a first response of a first sensed signal of the patient to the electrical stimulation therapy and... Medtronic Inc

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... Medtronic Inc

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... Medtronic Inc

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. The model may be a... Medtronic Inc

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... Medtronic Inc

Dorsal spinal column characterization with evoked potentials

This disclosure relates to methods, devices, and systems for delivering and adjusting stimulation therapy. In one example, a method comprising delivering, by a stimulation electrode, electrical stimulation as a candidate therapy to a patient according to a set of candidate therapy parameters, the stimulation electrode located in proximity to the... Medtronic Inc

Interventional medical systems and retrieval tools thereof

A tool operable with a catheter in an interventional medical system retrieves a medical device from an implant site, wherein the device includes an attachment feature that forms an annular recess to be engaged by a lasso of the tool for snaring the device, and a distal-most sidewall of the... Medtronic Inc

Identification of compromised components in a medical system

In some examples of selecting a target therapy delivery site for treating a patient condition, a relatively high frequency electrical stimulation signal is delivered to at least two areas within a first region (e.g., an anterior nucleus of the thalamus) of a brain of a patient, and changes in brain... Medtronic Inc

Posture state responsive therapy delivery using dwell times

Techniques related to classifying a posture state of a living body are disclosed. One aspect relates to sensing at least one signal indicative of a posture state of a living body. Posture state detection logic classifies the living body as being in a posture state based on the at least... Medtronic Inc

Fluid sensor card

The invention relates to sensor cards for determining and/or monitoring solute concentration and/or pH of a fluid based on an optically observable change of a sensing membrane or colorimetric material in the presence of ions in solution. The sensor cards can be placed in a fluid sensor apparatus and used... Medtronic Inc

Fluid sensor apparatus

The invention relates to a fluid sensor apparatus and a related sensor card for determining and/or monitoring a pH and/or solute concentration in a fluid. The fluid sensor apparatus can be used in any application requiring the detection of fluid components or concentrations of solutes, and in an exemplary embodiment,... Medtronic Inc

Colorimetric gas detection

The invention relates to a colorimetric gas detector for determining and monitoring gaseous substances. The colorimetric gas detector can be used in any application requiring the detection of substances in a gaseous environment. The colorimetric gas detector has a photodetector, a light source positioned opposite to the photodetector, and a... Medtronic Inc

Gas bubble detector

The invention relates to a gas bubble detector for determining gas bubbles in a fluid. The gas bubble detector can be used in any application requiring a determination whether gas bubbles exist in the fluid. The gas bubble detector has a photodetector, a light source, and a chamber in which... Medtronic Inc

Navigation guidance complex catheters

A method and system for determining a target location for a medical device having complex geometry relative to an anatomical feature, and for navigating and positioning the medical device at the target location. The system may include a medical device including a treatment element having a centroid, one or more... Medtronic Inc

Navigation with arbitrary catheter geometries and contact assessment

A method and system for determining a location of a treatment element relative to an anatomical feature and for estimating contact between the treatment element and the anatomical feature in the context of a navigation system. The system may include a medical device including at least one treatment element and... Medtronic Inc

Drug delivery programming techniques

Devices, systems, and techniques for programming drug delivery are described. Such techniques may account for diffusion and mixing of drug within the fluid or allow for more flexible programming options. In one example, a method may include determining one or more fluid delivery parameters (e.g., volume, flow rate, or period... Medtronic Inc

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

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

Implantable medical device fixation

Various fixation techniques for implantable medical device (IMDs) are described. In one example, an assembly comprises an IMD; and a set of active fixation tines attached to the IMD. The active fixation tines in the set are deployable from a spring-loaded position in which distal ends of the active fixation... Medtronic Inc

Implantable medical device fixation

Various fixation techniques for implantable medical device (IMDs) are described. In one example, an assembly comprises an IMD; and a set of active fixation tines attached to the IMD. The active fixation tines in the set are deployable from a spring-loaded position in which distal ends of the active fixation... Medtronic Inc

Method and discriminating tachycardia events in a medical device using two sensing vectors

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector sensing a first interval of the cardiac signal during a predetermined time period and a second sensing vector simultaneously sensing a second interval of the... Medtronic Inc

Method of determining target treatment locations

A method and system for automatic location of a target treatment structure, such as a pulmonary vein ostium, from an anatomical image. The method includes calculating a most likely path of blood flow through a pulmonary vein based on a cross-sectional area minimization technique and calculating pulmonary vein geometry as... Medtronic Inc

Leadless pacemaker system

A device includes a signal generator module, a processing module, and a housing. The signal generator module is configured to deliver pacing pulses to an atrium. The processing module is configured to detect a ventricular activation event and determine a length of an interval between the ventricular activation event and... Medtronic Inc

Systems and methods for monitoring hemodynamic status

The exemplary systems and methods may monitor one or more signals to be used to assess the hemodynamic status of a patient. The one or more signals may be used to calculate, or determine, a plurality of pulse transit times. The plurality of pulse transit times may be used to... Medtronic Inc

Minimally invasive implantable neurostimulation system

An external medical device generates a drive signal inductively coupled to an implantable coil from an external coil. A regulator module coupled to the implantable coil generates an output signal in response to the inductively coupled signal and a feedback signal correlated to an amplitude of the inductively coupled signal.... Medtronic Inc

Prosthetic heart valve devices and methods of valve replacement

A stented valve having at least one leaflet made of pericardium or other material having a relatively thin profile at the annulus. The leaflets are attached via chords to a stent frame, where the chords are positioned to mimic the native valve anatomy and functionality. In particular, the valves of... Medtronic Inc

Delivery of independent interleaved programs to produce higher-frequency electrical stimulation therapy

The techniques of the disclosure describe example medical devices, systems, and methods for interleaving a plurality of low-frequency electrical stimulation pulse trains delivered by a plurality of sets of electrodes of an implantable medical device (IMD) to effectively deliver a combined high-frequency electrical pulse train to a target tissue area.... Medtronic Inc

Implantable medical device with dual-use communication module

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

Subxiphoid connective lesion ablation system and method

Instrument and systems for applying ablative energy to epicardial tissue via a subxiphoid access surgical approach. The instrument has a head assembly sized and shaped for a subxiphoid surgical approach to a patient's heart and defines a contact face. The head assembly includes a paddle body, a first ablation electrode,... Medtronic Inc

02/22/18 / #20180054034

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

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

02/15/18 / #20180043075

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

02/15/18 / #20180043076

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

02/15/18 / #20180043077

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

02/15/18 / #20180043078

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

02/15/18 / #20180043079

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

02/15/18 / #20180043080

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

02/15/18 / #20180043081

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

02/15/18 / #20180043167

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

02/15/18 / #20180043169

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

02/15/18 / #20180043170

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

02/08/18 / #20180035898

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

02/08/18 / #20180035899

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

02/08/18 / #20180035920

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

02/08/18 / #20180035924

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

02/08/18 / #20180035956

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

02/08/18 / #20180036125

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

02/08/18 / #20180036477

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

02/08/18 / #20180036530

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

02/01/18 / #20180028082

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

02/01/18 / #20180028083

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

02/01/18 / #20180028085

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

02/01/18 / #20180028086

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

02/01/18 / #20180028087

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

02/01/18 / #20180028805

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

02/01/18 / #20180028814

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

02/01/18 / #20180028827

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

02/01/18 / #20180028828

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

01/25/18 / #20180020938

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

01/25/18 / #20180021500

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

Patent Packs
01/25/18 / #20180021501

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

01/25/18 / #20180021571

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

01/18/18 / #20180015290

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

01/11/18 / #20180008411

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

01/11/18 / #20180008820

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

01/04/18 / #20180000576

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

Patent Packs
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

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








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