CA2393228A1 - Catheter with cryogenic and electrical heating ablation - Google Patents

Catheter with cryogenic and electrical heating ablation Download PDF

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Publication number
CA2393228A1
CA2393228A1 CA002393228A CA2393228A CA2393228A1 CA 2393228 A1 CA2393228 A1 CA 2393228A1 CA 002393228 A CA002393228 A CA 002393228A CA 2393228 A CA2393228 A CA 2393228A CA 2393228 A1 CA2393228 A1 CA 2393228A1
Authority
CA
Canada
Prior art keywords
tissue
catheter
ablation
cooling segment
heating ablation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002393228A
Other languages
French (fr)
Other versions
CA2393228C (en
Inventor
Dan Wittenberger
Marwan Abboud
Steven G. Arless
Fredric L. Milder
Sean Carroll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medtronic Cryocath LP
Original Assignee
Cryocath Technologies Inc.
Dan Wittenberger
Marwan Abboud
Steven G. Arless
Fredric L. Milder
Sean Carroll
Medtronic Cryocath Lp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cryocath Technologies Inc., Dan Wittenberger, Marwan Abboud, Steven G. Arless, Fredric L. Milder, Sean Carroll, Medtronic Cryocath Lp filed Critical Cryocath Technologies Inc.
Publication of CA2393228A1 publication Critical patent/CA2393228A1/en
Application granted granted Critical
Publication of CA2393228C publication Critical patent/CA2393228C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0231—Characteristics of handpieces or probes
    • A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
    • A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow

Abstract

A catheter (110) for the cryotreatment of tissue includes a catheter body (110b) and a treatment (110c) tip positioned at the distal end of the catheter body. The treatment tip has a cooling segment operable at a temperature sufficient to freeze tissue and an electrically-driven ablation assembly operable to apply heating ablation energy to the tissue. The cooling segment has a thermally conductive wall for contacting and thermally treating tissue in contact with the thermally conductive wall. The cooling segment and the electrically-driven heating ablation are controlable to effect tissue ablation.
CA002393228A 1999-12-09 2000-12-04 Catheter with cryogenic and electrical heating ablation Expired - Fee Related CA2393228C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/457,958 1999-12-09
US09/457,958 US7097641B1 (en) 1999-12-09 1999-12-09 Catheter with cryogenic and heating ablation
PCT/US2000/032796 WO2001041664A1 (en) 1999-12-09 2000-12-04 Catheter with cryogenic and electrical heating ablation

Publications (2)

Publication Number Publication Date
CA2393228A1 true CA2393228A1 (en) 2001-06-14
CA2393228C CA2393228C (en) 2007-10-23

Family

ID=23818751

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002393228A Expired - Fee Related CA2393228C (en) 1999-12-09 2000-12-04 Catheter with cryogenic and electrical heating ablation

Country Status (4)

Country Link
US (6) US7097641B1 (en)
EP (1) EP1239786A1 (en)
CA (1) CA2393228C (en)
WO (1) WO2001041664A1 (en)

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US20060004351A1 (en) 2006-01-05
US20080114345A1 (en) 2008-05-15
US7951140B2 (en) 2011-05-31
US8287526B2 (en) 2012-10-16
CA2393228C (en) 2007-10-23
WO2001041664A1 (en) 2001-06-14
US7097641B1 (en) 2006-08-29
US8083732B2 (en) 2011-12-27
US20110196359A1 (en) 2011-08-11
US7896870B2 (en) 2011-03-01
US20120065631A1 (en) 2012-03-15
US7465300B2 (en) 2008-12-16
EP1239786A1 (en) 2002-09-18
US20070299432A1 (en) 2007-12-27

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