Medtronic, Inc.

Todd V Smith

Erik R Scott

John E Kast

Randy S Roles

Xuan K Wei

Timothy J Denison

Eric H Bonde

Phillip C Falkner

Richard T Stone

David A Dinsmoor

Gabriela C Molnar

Brad Conrad Tischendorf

Michael Jay Ebert

Joel A Anderson

Forrest C M Pape

Shawn C Kelley

Anthony M Chasensky

Steven M Goetz

Duane L Bourget

Stephen J Roddy

David P Olson

Venkat R Gaddam

Craig L Schmidt

Christian S Nielsen

Gordon Orvis Munns

Thomas P Miltich

Bernard Q Li

Chris J Paidosh

Peng Cong

Joseph J Viavattine

Reginald D Robinson

Prabhakar A Tamirisa

Markus W Reiterer

Leroy L Perz

Nathan Andrew Torgerson

Scott R Stanslaski

Thomas Adamski

Robert Devine

Vincent Roczniak

Warren W Ball

Dennis M Skelton

Steven T Deininger

Jeffrey J Clayton

Shyam Gokaldas

Jeffrey T Keacher

Kristin N Hageman

Andrew H Houchins

Joseph J Nolan

Andrew Thomas Fried

Reid K Bornhoft

Kevin J Kelly

Wende L Dewing

Sarah J Offutt

Robert A Corey

Jerel K Mueller

Jeffrey R Dixon

Shahram Malekkhosravi

Thomas M Hillebrand

Kristin J Malekkhosravi

Jenna N George

Heba Tareq Omar

L Leroy Perz

Robert J Devine

Thomas H Adamski

Vincent A Roczniak

Devices and methods provide for the sensing of physiological signals by providing a stimulation waveform that includes a stimulation pulse followed by an active recharge pulse to clear the charge in capacitors within the stimulation path. The active recharge pulse is followed by a period of passive recharge and then a period of no recharge. Non-neurological sources of artifacts within the sensed physiological signal may be handled by providing a brief period of passive recharge followed by a lengthy period of no recharge, which is made possible by the use of the active recharge pulse prior to the passive recharge. The period of no recharge removes any low impedance path to ground from the stimulation electrodes, which allows an amplifier of the sensing circuit to provide common mode rejection of non-neurological signals, such as cardiac signals, present at the sensing electrodes.

Devices and methods for sensing physiological signals during stimulation therapy

A leadless neurostimulation device having a header unit including at least one primary electrode having a contact surface that defines an external surface of the leadless neurostimulation device, a housing including a secondary electrode positioned on the same side of the leadless neurostimulation device as the at least one primary electrode, and a anchor device including at least one suture point for securing the leadless neurostimulation device to patient tissue or at least one protrusion nub configured to create mechanical resistance that impedes relative movement between wherein the leadless neurostimulation device and the patient tissue when implanted, where the at least one primary electrode and the secondary electrode are configured to transmit an electrical stimulation signal therebetween to provide electrical stimulation therapy to a target nerve of a patient.

Minimally invasive leadless neurostimulation device

Systems, devices, and techniques are described for calibrating a medical device that senses ECAP signals from a patient's nerve tissue. For example a method includes instructing, with processing circuitry, stimulation circuitry of a medical device to deliver, on stimulation electrodes of the medical device, an electrical stimulation signal having an amplitude substantially equal to zero to a patient, entering, with the processing circuitry subsequent to instructing the stimulation circuitry to deliver the electrical stimulation signal, a passive recharge state on stimulation electrode circuitry, and auto-zeroing, with the processing circuitry, inputs to an operational amplifier of sensing circuitry electrically coupled to sensing electrodes of the medical device while the stimulation electrode circuitry is in the passive recharge state.

Calibration for ECAP sensing

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

Minimally invasive implantable neurostimulation system

Devices and methods described herein relate to wireless recharging from a distance, and increasing the efficiency of such charging by intelligently or autonomously changing the rectification mode of the implanted device.

Recharge system extending depth and area of useful recharge via dynamically adjusted rectification mode

A medical device system for delivering a neuromodulation therapy includes a delivery tool for deploying an implantable medical device at a neuromodulation therapy site. The implantable medical device includes a housing, an electronic circuit within the housing, and an electrical lead comprising a lead body extending between a proximal end coupled to the housing and a distal end extending away from the housing and at least one electrode carried by the lead body. The delivery tool includes a first cavity for receiving the housing and a second cavity for receiving the lead. The first cavity and the second cavity are in direct communication for receiving and deploying the housing and the lead coupled to the housing concomitantly as a single unit.

Devices, systems, and techniques for monitoring the temperature of a device used to charge a rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. The temperature of an external charging device and/or an implantable medical device may be monitored to control the temperature exposure to patient tissue. In one example, a temperature sensor may sense a temperature of a portion of a device, wherein the portion is non-thermally coupled to the temperature sensor. A processor may then control charging of the rechargeable power source based on the sensed temperature.

Sensing temperature within medical devices

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Shoreview, MN, United States of America

Todd V Smith