WO2008083112A3 - Contact-sensitive pressure-sensitive conductive composite electrode and method for ablation - Google Patents

Contact-sensitive pressure-sensitive conductive composite electrode and method for ablation Download PDF

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Publication number
WO2008083112A3
WO2008083112A3 PCT/US2007/088680 US2007088680W WO2008083112A3 WO 2008083112 A3 WO2008083112 A3 WO 2008083112A3 US 2007088680 W US2007088680 W US 2007088680W WO 2008083112 A3 WO2008083112 A3 WO 2008083112A3
Authority
WO
WIPO (PCT)
Prior art keywords
ablation
sensitive
pressure
conductive composite
electrode
Prior art date
Application number
PCT/US2007/088680
Other languages
French (fr)
Other versions
WO2008083112A2 (en
Inventor
Chou Thao
Saurav Paul
Kedar Ravindra Belhe
Hong Cao
Original Assignee
St Jude Medical Atrial Fibrill
Chou Thao
Saurav Paul
Kedar Ravindra Belhe
Hong Cao
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 St Jude Medical Atrial Fibrill, Chou Thao, Saurav Paul, Kedar Ravindra Belhe, Hong Cao filed Critical St Jude Medical Atrial Fibrill
Publication of WO2008083112A2 publication Critical patent/WO2008083112A2/en
Publication of WO2008083112A3 publication Critical patent/WO2008083112A3/en

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
    • A61B18/04—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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension

Abstract

A catheter assembly for pressure-sensitive control of ablation treatment is disclosed. The assembly includes a conductive element, an electrode, and a pressure sensitive conductive composite member positioned between the conductive element and the electrode. At least one of the conductive pin, the pressure sensitive conductive composite element and the ablation electrode are moveable to create an engagement position and a non-engagement position. In the engagement position, the elements are electrically coupled such that ablation energy may be delivered from the conductive pin to the ablation electrode via the pressure sensitive conductive composite element. In the non-engagement position, the elements are electrically decoupled such that ablation energy is not delivered to the ablation electrode. A related method for pressure-sensitive control of ablation is also disclosed.
PCT/US2007/088680 2006-12-29 2007-12-21 Contact-sensitive pressure-sensitive conductive composite electrode and method for ablation WO2008083112A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/647,294 2006-12-29
US11/647,294 US7883508B2 (en) 2006-12-29 2006-12-29 Contact-sensitive pressure-sensitive conductive composite electrode and method for ablation

Publications (2)

Publication Number Publication Date
WO2008083112A2 WO2008083112A2 (en) 2008-07-10
WO2008083112A3 true WO2008083112A3 (en) 2008-09-04

Family

ID=39585034

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/088680 WO2008083112A2 (en) 2006-12-29 2007-12-21 Contact-sensitive pressure-sensitive conductive composite electrode and method for ablation

Country Status (2)

Country Link
US (1) US7883508B2 (en)
WO (1) WO2008083112A2 (en)

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Also Published As

Publication number Publication date
WO2008083112A2 (en) 2008-07-10
US7883508B2 (en) 2011-02-08
US20080161789A1 (en) 2008-07-03

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