Medtronic, Inc.

Other

Medtronic Advanced Energy LLC

Mark T Marshall

Amy E Thompson-Nauman

Vladimir Pavlovich Nikolski

Teresa A Whitman

Kevin R Seifert

Melissa G T Christie

John D Wahlstrand

David A Anderson

Robert T Sawchuk

Gregory A Younker

Gonzalo Martinez

Jian L Cao

Paul J Degroot

Nathan Lee Olson

Thomas H Spear

Timothy G Laske

Andrea Jean Asleson

Dina L Williams

Kenneth E Cobian

Jean J Rutten

Sandra F Viktora

Richard Dean Ries

James R Svensk

Brian T McHenry

Jeffrey M Gillberg

John Louis Sommer

Eduardo N Warman

Matthew David Bonner

Mark L Brown

Suping Lyu

Michael D Eggen

Gregory A Boser

Paul J DeGroot

Linnea R Lentz

Timothy A Ebeling

Gabriela C Miyazawa

Thomas D Brostrom

Keith D Anderson

George W McFall

David S Olson

Maggie J Pistella

David Wayne Bourn

Megan L Harris

Elizabeth K Nagy

Melissa Gt Christie

Henry D Schroder

Ryan J Collins

Grant H Wurdell

Robert W Stadler

Mark T Stewart

Scott Eric Jahns

Ronald A Drake

William John Havel

Terrell M Williams

Thomas A Anderson

Steven Lawrence Waldhauser

Eliot F Bloom

Thomas C Bischoff

Richard N Cornelussen

Brian Bruce Lee

Jordon D Honeck

William J Clemens

Jeffrey David Wilkinson

Antoine N Camps

Elisabeth Lacy Belden

Bret R Shoberg

Kenneth W Keeney

Catherine E Taylor

Carla Pfeiffer

Dale A Wahlstrom

Lonnie D Ronning

Laurie D Foerster

Linda L Franke

Kaileigh E Rock

Kelly M Wien

Vania Lee

Elizabeth K Formosa

James J Snyder

Clare E Padgett

Timothy M Ramos

Paul Adams

Thomas S Ahern

Ralph Leinders

Ameet Braganza

Mariya Lazebnik

Greg A Boser

Richard Cornelussen

Melissa GT Christie

Jean Rutten

Antoine Camps

Robert T Sawchuck

An example medical device system includes an implantable medical lead including a first defibrillation electrode and a second defibrillation electrode, the first and second defibrillation electrodes configured to deliver antitachyarrhythmia shocks, and a pace electrode disposed between the first defibrillation electrode and the second defibrillation electrode, the pace electrode configured to deliver a pacing pulse that generates an electric field proximate to the pace electrode. The medical device system includes a shield configured to be implanted in a patient separately from the implantable medical lead and disposed anterior at least one of the electrodes, wherein the shield is configured to impede an electric field of the electrical therapy in a direction from at least one of the first defibrillation electrode, the second defibrillation electrode, or the pace electrode away from a heart of the patient.

Implantable medical lead shield

Methods for creating a pathway for an implantable defibrillation lead within a patient, the patient having a torso with a center, left side, and a high sternal area. The method comprises creating an incision at a first location on the left side of the torso, advancing a first medical device and a second medical device through the incision and through the subcutaneous tissue toward a second location proximate the center of the torso, deflecting a distal end of the first medical device at the second location toward a third location proximate the high sternal area, advancing a distal portion of the second medical device out through the distal end of the first medical device toward the third location, and positioning a sheath within the torso, the sheath spanning a distance between the first location and the second location and a distance between the second location and the third location.

Implant tools for extravascular implantation of medical leads

This disclosure describes an implantable medical electrical lead and an ICD system utilizing the lead. The lead includes a lead body defining a proximal end and a distal portion, wherein at least a part of the distal portion of the lead body defines an undulating configuration. The lead includes a defibrillation electrode that includes a plurality of defibrillation electrode segments disposed along the undulating configuration spaced apart from one another by a distance. The lead also includes at least one electrode disposed between adjacent sections of the plurality of defibrillation sections. The at least one electrode is configured to deliver a pacing pulse to the heart and/or sense cardiac electrical activity of the heart.

Extravascular implantable electrical lead having undulating configuration

An implantable medical device has a therapy module configured to generate a composite pacing pulse including a series of at least two individual pulses. The therapy module is configured to generate the composite pacing pulse by generating a first pulse of the at least two individual pulses by selectively coupling a first portion of a plurality of capacitors to an output signal line and generate a second pulse of the at least two individual pulses by selectively coupling a second portion of the plurality of capacitors to the output signal line.

Extra-cardiovascular cardiac pacing system for delivering composite pacing pulses

This disclosure describes implantable medical leads and medical device systems utilizing the leads. In some examples, an implantable medical lead comprises a first defibrillation electrode and a second defibrillation electrode, the first and second defibrillation electrodes configured to deliver anti-tachyarrhythmia shocks, and a pace electrode disposed between the first defibrillation electrode and the second defibrillation electrode, the pace electrode configured to deliver a pacing pulse that generates an electric field proximate to the pace electrode. The implantable medical lead further comprises a shield disposed between the first defibrillation electrode and the second defibrillation electrode and over a portion of an outer surface of the pace electrode, wherein the shield is configured to impede the electric field in a direction from the pace electrode away from a heart.

Implantable medical lead with shield

A medical device is configured to deliver therapeutic electrical stimulation pulses by generating frequency modulated electrical stimulation pulse signals. The medical device includes a pulse signal source and a modulator. The pulse signal source generates an electrical stimulation pulse signal having a pulse width. The modulator may include a high frequency modulator configured to modulate a frequency of the pulse signal from a starting frequency down to a minimum frequency during the pulse width. The modulator may include a low frequency bias generator to modulate the offset of the pulse signal between a minimum offset and a maximum offset in other examples.

Medical device and method for generating modulated high frequency electrical stimulation pulses

An extra-cardiovascular implantable cardioverter defibrillator (ICD) having a low voltage therapy module and a high voltage therapy module is configured to select, by a control module of the ICD, a pacing output configuration from at least a low-voltage pacing output configuration of the low voltage therapy module and a high-voltage pacing output configuration of the high voltage therapy module. The high voltage therapy module includes a high voltage capacitor having a first capacitance and the low voltage therapy module includes a plurality of low voltage capacitors each having up to a second capacitance that is less than the first capacitance. The ICD control module controls a respective one of the low voltage therapy module or the high voltage therapy module to deliver extra-cardiovascular pacing pulses in the selected pacing output configuration via extra-cardiovascular electrodes coupled to the ICD.

Extra-cardiovascular pacing by an implantable cardioverter defibrillator

A lead body having a defibrillation electrode positioned along a distal portion of the lead body is described. The defibrillation electrode includes a plurality of electrode segments spaced a distance apart from each other. At least one of the plurality of defibrillation electrode segments includes at least one coated portion and at least one uncoated portion. The at least one coated portion is coated with an electrically insulating material configured to prevent transmission of a low voltage signal (e.g., a pacing pulse) while allowing transmission of a high voltage signal (e.g., a cardioversion defibrillation shock). The at least one uncoated portion is configured to transmit both low voltage and high voltage signals. The lead may also include one or more discrete electrodes proximal, distal or between the defibrillation electrode segments.

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

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. The leads may include at least one pace/sense electrode, which in some instances, is located between the first defibrillation electrode segment and the second defibrillation electrode segment.

Implantable extravascular electrical stimulation lead having improved sensing and pacing capability

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

Extra-cardiovascular cardiac pacing system

In some examples, a system includes a medical device comprising an elongate body configured to advance through layers of tissue of a patient, a lumen extending through the elongate body, a fluid line configured to supply fluid to the lumen, and a pressure sensor positioned within the lumen or the fluid line. The system may further include processing circuitry configured to receive, from the pressure sensor, a signal corresponding to the pressure of the fluid at each of a plurality of time points, determine, for each time point: a corresponding amplitude value of the signal, a difference between two amplitude values of the signal, an amplitude oscillation status of the signal, a position of the elongate body based on the difference and the amplitude oscillation status; and provide an indication of the position of the elongate body relative to the layers of tissue.

Pressure-sensing implant tools

An implantable medical lead may include an electrode at a distal portion of the lead that is configured to monitor or provide therapy to a target site. The lead may include a visible indicator that is visible to the naked eye of a clinician at a medial portion of the lead that is configured to indicate when the electrodes of the lead are longitudinally and radially aligned properly to monitor or treat the target site. A clinician may insert the lead into the patient using an introducer sheath inserted to a predetermined depth into the patient and subsequently aligning the distal portion of the lead by orienting the indicator at an entry port of the introducer sheath.

Implantable medical lead indicators

A medical electrical lead includes a lead body, a high voltage electrode positioned on the lead body, the high voltage electrode comprising a proximal coated portion, a distal coated portion, and an uncoated portion. Additionally, the medical electrical lead includes a first low voltage electrode and a second low voltage electrode distal to the first low voltage electrode, wherein a first line passes through the first low voltage electrode and the second low voltage electrode, wherein a second line passes through the first low voltage electrode and the uncoated portion, the second line forming a first angle with the first line, and wherein a third line passes through the second low voltage electrode and the uncoated portion, the third line forming a second angle with the first line.

Electrode arrangement for a curvilinear medical device lead

Techniques for detecting infections in a patient in relation to temperature values obtained from implantable temperature sensors are described. An example implantable temperature sensor may be included within a housing of an implantable medical device (IMD). In some examples, the temperature sensor may determine a plurality of temperature values over time. Processing circuitry of the IMD or of an external device may smooth the temperature values and apply an infection detection model to the smoothened temperature signal to determine an infection status of the patient.

Implantable medical device using temperature sensor to determine infection status of patient

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Forest Lake, MN, United States of America

Mark T Marshall