St Jude Medical, Atrial Fibrillation Division, Inc

St. Jude Medical, Cardiology Division, Inc.

St Jude Medical International Holding S.&#xc0; R.l.

St. Jude Medical Puerto Rico LLC

Troy Terrance Tegg

Saurav Paul

James V Kauphusman

Dale Eric Just

Richard E Stehr

Allan Manuel Fuentes

Zachary L Helgeson

Linda Kay Nemec

Harry A Puryear

Theodore Arthur Johnson

Salo Arias

Derek C Sutermeister

Gregory K Olson

Israel A Byrd

Sameer Pai

Alexander Carson Houck

Somally Mom

John Her

Salome A Gonzalez

Sacha C Hall

Michael C Bednarek

Riki Chou Thao

Reed R Heimbecher

Andrew R Oliverius

Eric Steven Olson

Ryan Kenneth Buesseler

Chou Thao

Mark B Kirschenman

Brian M Monahan

John Anderson Hauck

Jeffrey A Schweitzer

Xuan Ye Khieu

Andrew O Senn

Xuan Yen Khieu

Hong Cao

John William Sliwa

Guy P Vanney

Arthur Guy Erdman

Jacob John Daly

Daniel Joe Potter

Benjamin Breidall

Varun Bansal

David J Kim

Bruce W Ebner

Joshua L Dudney

Clint Schneider

Salome Arias-Gonzalez

Michael W Stine

James A Jensen

D Curtis Deno

Aaron J Chalekian

Giovanni Leo

Kevin D Edmunds

Todd Stangenes

James C Marrs

Yu Liu

Stephen W Evans

Michael S Bowers

Alex Yu

Timothy S Marass

Neil David Hawkinson

James R Nigg

Alan M Fuentes

Fos Ulus Kuehn

Genevieve L Gallagher

Jill A LaFavor

Jiayin Liu

Linda Nemec

Alan De La Rama

Cary K Hata

Kedar Ravindra Belhe

Yongxing Zhang

Steven C Christian

Timothy G Curran

Alon Izmirli

Xiaoping Guo

Brett Allen Hillukka

Russell David Terwey

Zhenyi Ma

Ram Kumar Balachandran

Mark Timothy Johnson

Charles Bryan Byrd

Martin Maitre Grasse

Fermin Armando Lupotti

William Du

Travis Dahlen

Rishi Manda

Nicholas Strom

Tianhong Cui

John P Gerhart

Yitzhak I Shai

John M Berns

Kevin Dillon

Miao Lu

Lynn E Gilmour

Cherry L Knight

Michael J Johnson

James Holte

Mick Kuehn

Robert Pacheco

A catheter tip is disclosed comprising a tip electrode comprising a ledge feature, and a center cavity and a manifold assembly comprising a fluid lumen manifold and a stop tube. The stop tube can be coupled to the fluid lumen manifold and configured to abut the ledge feature such that a distal end of the fluid lumen manifold extends a pre-determined distance into the center cavity of the tip electrode. The fluid lumen manifold can comprise a plurality of sideholes which can be sized and configured to distribute an irrigant to the tip electrode. The catheter tip can comprise a flexible tip electrode.

Flex tip fluid lumen assembly with termination tube

Catheter systems include direction-sensitive, multi-polar tip electrode assemblies for electroporation-mediated therapy, electroporation-induced primary necrosis therapy and electric field-induced apoptosis therapy, including configurations for producing narrow, linear lesions as well as distributed, wide area lesions. A monitoring system for electroporation therapy includes a mechanism for delivering electrochromic dyes to a tissue site as well as a fiber optic arrangement to optically monitor the progress of the therapy as well as to confirm success post-therapy. A fiber optic temperature sensing electrode catheter includes a tip electrode having a cavity whose inner surface is impregnated or coated with thermochromic/thermotropic material that changes color with changes in temperature. An optic fiber/detector arrangement monitors the thermochromic or thermotropic materials, acquiring a light signal and generating an output signal indicative of the spectrum of the light signal. An analyzer determines an electrode temperature based on the detector output and predetermined spectrum versus temperature calibration data.

Catheter systems

Aspects of the present disclosure are directed to flexible catheters for both electrophysiology mapping and ablation using a high-density array of electrodes. These catheters may be used to detect electrophysiological characteristics of tissue in contact with the electrodes, and conduct monopolar and bipolar ablations of the tissue.

Radio-frequency ablation and direct current electroporation catheters

High density catheter tip

A family of catheter electrode assemblies includes a flexible circuit having a plurality of electrical traces and a substrate; a ring electrode surrounding the flexible circuit and electrically coupled with at least one of the plurality of electrical traces; and an outer covering extending over at least a portion of the electrode. A non-contact electrode mapping catheter includes an outer tubing having a longitudinal axis, a deployment member, and a plurality of splines, at least one of the plurality of splines comprising a flexible circuit including a plurality of electrical traces and a substrate, a ring electrode surrounding the flexible circuit and electrically coupled with at least one of the plurality of electrical traces; and an outer covering extending over at least a portion of the ring electrode. A method of constructing the family of catheter electrode assemblies is also provided.

Catheter electrode assemblies and methods of construction thereof

Various embodiments of the present disclosure can include a high-density electrode catheter. In some embodiments, the high-density electrode catheter can include a catheter shaft including a proximal end and a distal end, the catheter shaft defining a catheter shaft longitudinal axis. In some embodiments, the high-density electrode catheter can include a shaft magnetic position sensor disposed along a distal portion of the catheter shaft. In some embodiments, the high-density electrode catheter can include a flexible tip portion located adjacent to the distal end of the catheter shaft, wherein the flexible tip portion includes a flexible framework. In some embodiments, the high-density electrode catheter can include a plurality of electrodes disposed on the flexible framework. In some embodiments, the high-density electrode catheter can include a tip magnetic position sensor disposed on a portion of the flexible framework.

High-density electrode catheters with magnetic position tracking

Various embodiments of the present disclosure can include a medical device for providing therapy to heart tissue. The medical device can comprise a balloon, a movable manifold, wherein the movable manifold comprises a first plurality of openings and the movable manifold is inside the balloon and the movable manifold is configured to distribute a fluid within the balloon, an elongate shaft with a proximal end portion and a distal end portion, wherein the distal end portion of the elongate shaft is coupled with the balloon, a central lumen, wherein the movable manifold is movably coupled with the central lumen, and a supply lumen comprising a supply lumen proximal end and a supply lumen distal end, wherein the supply lumen is longitudinally movable and in fluid communication with the movable manifold, wherein the movable manifold is configured to move longitudinally in response to an actuation of the supply lumen proximal end.

Apparatus and system for cryo-therapy balloon

An elongate medical device having a device longitudinal axis and a device distal region, the medical device comprising a balloon at the device distal region and having a balloon longitudinal axis, the balloon comprising a balloon inflatable portion with a first length configured to transition from a deflated state to an inflated state and includes a portion of the balloon proximal portion and a portion of the balloon distal portion, a balloon proximal portion with a second length, a balloon distal portion with a third length, wherein, in the inflated state, the balloon is symmetrical about the balloon longitudinal axis and the balloon comprises a first profile shape with a second length and a second profile shape with a third length, and wherein the balloon distal portion comprising the second profile shape comprises a tissue contacting surface where a substantial portion of the tissue contacting surface is concave.

Pulmonary vein isolation balloon catheter

An electrode assembly includes an electrode pair including a first electrode and a second electrode configured to be selectively energized for delivery of electroporation therapy. The electrode assembly also includes an expandable isolation member disposed axially between the first electrode and the second electrode. One of the first electrode and the second electrode is positioned proximally of a proximal end of the expandable isolation member and the other of the first electrode and the second electrode is positioned distal to a distal end of the expandable isolation member. The expandable isolation member is configurable between a collapsed configuration and an expanded configuration. The expandable isolation member includes a circumferential sealing surface configured for sealing engagement with tissue of a patient such that the expandable isolation member inhibits fluid and electrical communication between the first electrode and the second electrode when engaged with the tissue.

Electrode assembly including expandable isolation member

An apparatus for detecting relative positioning of medical devices located within a human body, the apparatus comprising an inner elongate member comprising a plurality of electrodes and a first sensor member, where the first sensor member is located a known distance from each of the plurality of electrodes, and an outer elongate member comprising a first sensor, and an outer sensor member located between the first sensor and an inner wall of the outer elongate member, where the inner elongate member is configured to move within the outer elongate member and the first sensor is configured to sense a signal generated by movement of the inner elongate member relative to the outer elongate member, and a position detection module including an electronic control unit configured to detect a position of the first sensor member relative to the first sensor based on the signal.

System and apparatus for detecting catheters relative to introducers

A medical device, system, and method having a flexible shaft and a multi-core fiber within the flexible shaft. The multi-core fiber includes a plurality of optical cores dedicated for shape sensing sensors, and a plurality of optical cores dedicated for force sensing sensors. A tip assembly can comprise a tip electrode and a coupler comprising at least one fiber support tube center. A distal portion of the coupler can be coupled to a proximal portion of the tip electrode. The tip assembly can further comprise a multi-core fiber comprising a plurality of cores and a fiber support tube. A proximal portion of the fiber support tube can be coupled to the at least one fiber support tube center.

One fiber force and shape sensing

Aspects of the present disclosure are directed to, for example, a high-thermal-sensitivity ablation catheter tip including a thermally-insulative ablation tip insert supporting at least one temperature sensor electrically coupled to a flexible electronic circuit and encapsulated, or essentially encapsulated, by a conductive shell. Also disclosed is a method of controlling the temperature of an ablation catheter tip while creating a desired lesion using various forms of energy and energy delivery.

Ablation catheter tip with flexible electronic circuitry

A medical device for the diagnosis or treatment of tissue in a body and method for fabricating the same are provided. The device includes comprises a first shaft and a second shaft. The first shaft includes a longitudinal axis, and the second shaft includes a second shaft axial end disposed within the first shaft. The second shaft is connected to the first shaft by a first nested lap joint formed between the first shaft and the second shaft.

Medical device with a nested lap joint and a fused conductive element and method for fabricating the same

Embodiments include medical devices comprising a handle assembly including a wire tensioner component and an adjustment knob, the adjustment knob configured to rotate about a longitudinal axis of the handle assembly; an elongate shaft coupled to the handle assembly, the elongate shaft defining a lumen and including a deflectable section; a first wire coupled to the adjustment knob and extending from the adjustment knob through the lumen to at least a distal end portion of the deflectable section; and a second wire coupled to the wire tensioner component and extending from the wire tensioner component to at least the distal end portion of the deflectable section, the second wire having a deflectable extraluminal section configured to deflect independently of the deflectable section.

Esophageal deviator

Growing community of inventors

Elk River, MN, United States of America

Troy Terrance Tegg