WO2003053248A3 - Method and system for treatment of atrial tachyarrhythmias - Google Patents

Method and system for treatment of atrial tachyarrhythmias Download PDF

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Publication number
WO2003053248A3
WO2003053248A3 PCT/US2002/039440 US0239440W WO03053248A3 WO 2003053248 A3 WO2003053248 A3 WO 2003053248A3 US 0239440 W US0239440 W US 0239440W WO 03053248 A3 WO03053248 A3 WO 03053248A3
Authority
WO
WIPO (PCT)
Prior art keywords
lesions
shapeable section
shapeable
heating
section
Prior art date
Application number
PCT/US2002/039440
Other languages
French (fr)
Other versions
WO2003053248A2 (en
Inventor
David E Francishelli
Scott E Jahns
Original Assignee
Medtronic Inc
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 Medtronic Inc filed Critical Medtronic Inc
Priority to DK02792349T priority Critical patent/DK1455654T3/en
Priority to AU2002357808A priority patent/AU2002357808A1/en
Priority to EP02792349A priority patent/EP1455654B1/en
Priority to DE60230998T priority patent/DE60230998D1/en
Publication of WO2003053248A2 publication Critical patent/WO2003053248A2/en
Publication of WO2003053248A3 publication Critical patent/WO2003053248A3/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1442Probes having pivoting end effectors, e.g. forceps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1402Probes for open surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/29Forceps for use in minimally invasive surgery
    • A61B2017/2926Details of heads or jaws
    • A61B2017/2945Curved jaws
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345Vascular system
    • A61B2018/00351Heart
    • A61B2018/00357Endocardium
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577Ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • A61B2018/00797Temperature measured by multiple temperature sensors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • A61B2018/00821Temperature measured by a thermocouple
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1425Needle
    • A61B2018/1432Needle curved
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1442Probes having pivoting end effectors, e.g. forceps
    • A61B2018/146Scissors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002Irrigation

Abstract

A method and system for ablating tissue to provide a desired set of lesions. The system includes an ablation apparatus having an elongated shapeable section carrying a mechanism such as an electrode for applying ablation energy along the shapeable section. The shapeable section includes a member of shape memory material having a memorized configuration. The shapeable section is shaped manually or using fixtures to display a configuration corresponding to one of the desired lesions and is then employed to create the desired lesion. Thereafter the shapeable section is heated to cause it to resume its memorized configuration. Shaping, heating and ablating to create lesions are continued as necessary provide the desired set of lesions. In some embodiments of the invention, heating may be accomplished using heating elements built into the shapeable section.
PCT/US2002/039440 2001-12-11 2002-12-10 Method and system for treatment of atrial tachyarrhythmias WO2003053248A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK02792349T DK1455654T3 (en) 2001-12-11 2002-12-10 System for providing lesions
AU2002357808A AU2002357808A1 (en) 2001-12-11 2002-12-10 Method and system for treatment of atrial tachyarrhythmias
EP02792349A EP1455654B1 (en) 2001-12-11 2002-12-10 System for providing lesions
DE60230998T DE60230998D1 (en) 2001-12-11 2002-12-10 SYSTEM FOR GENERATING LESIONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/016,299 US6656175B2 (en) 2001-12-11 2001-12-11 Method and system for treatment of atrial tachyarrhythmias
US10/016,299 2001-12-11

Publications (2)

Publication Number Publication Date
WO2003053248A2 WO2003053248A2 (en) 2003-07-03
WO2003053248A3 true WO2003053248A3 (en) 2004-02-26

Family

ID=21776406

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/039440 WO2003053248A2 (en) 2001-12-11 2002-12-10 Method and system for treatment of atrial tachyarrhythmias

Country Status (8)

Country Link
US (2) US6656175B2 (en)
EP (1) EP1455654B1 (en)
AT (1) ATE421294T1 (en)
AU (1) AU2002357808A1 (en)
DE (1) DE60230998D1 (en)
DK (1) DK1455654T3 (en)
ES (1) ES2320108T3 (en)
WO (1) WO2003053248A2 (en)

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US6656175B2 (en) 2003-12-02
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WO2003053248A2 (en) 2003-07-03
EP1455654B1 (en) 2009-01-21
DE60230998D1 (en) 2009-03-12
EP1455654A2 (en) 2004-09-15
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ES2320108T3 (en) 2009-05-19
US20030109863A1 (en) 2003-06-12

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