WO2001082813A3 - Variable length electrodes for delivery of irrigated ablation - Google Patents

Variable length electrodes for delivery of irrigated ablation Download PDF

Info

Publication number
WO2001082813A3
WO2001082813A3 PCT/US2001/012628 US0112628W WO0182813A3 WO 2001082813 A3 WO2001082813 A3 WO 2001082813A3 US 0112628 W US0112628 W US 0112628W WO 0182813 A3 WO0182813 A3 WO 0182813A3
Authority
WO
WIPO (PCT)
Prior art keywords
delivery
variable length
irrigated ablation
length electrodes
interface
Prior art date
Application number
PCT/US2001/012628
Other languages
French (fr)
Other versions
WO2001082813A2 (en
Inventor
David E Francischelli
Richard H Comben
Michael F Hoey
Rahul Mehra
Jon M Ocel
Robert Pearson
Paul V Trescony
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 EP01927179A priority Critical patent/EP1278472B1/en
Priority to AU2001253656A priority patent/AU2001253656A1/en
Priority to DE60133099T priority patent/DE60133099T2/en
Publication of WO2001082813A2 publication Critical patent/WO2001082813A2/en
Publication of WO2001082813A3 publication Critical patent/WO2001082813A3/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
    • 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
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00065—Material properties porous
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
    • 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
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1435—Spiral
    • 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
    • A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details 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
    • A61B2218/002—Irrigation

Abstract

A device for ablating tissue is provided. The device comprises a conductive element with a channel for irrigating fluid formed therein, which is in contact with a non-conductive microporous interface. All or a portion of the interface may be removable. When the interface is removed, a portion of the conductive element is exposed for use in ablating tissue. Methods of using the device and for removing the interface are also provided.
PCT/US2001/012628 2000-04-27 2001-04-18 Variable length electrodes for delivery of irrigated ablation WO2001082813A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01927179A EP1278472B1 (en) 2000-04-27 2001-04-18 Variable length electrodes for delivery of irrigated ablation
AU2001253656A AU2001253656A1 (en) 2000-04-27 2001-04-18 Variable length electrodes for delivery of irrigated ablation
DE60133099T DE60133099T2 (en) 2000-04-27 2001-04-18 ELECTRODES WITH ADJUSTABLE LENGTH FOR ABLATION UNDER IRRIGATION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/558,975 2000-04-27
US09/558,975 US6488680B1 (en) 2000-04-27 2000-04-27 Variable length electrodes for delivery of irrigated ablation

Publications (2)

Publication Number Publication Date
WO2001082813A2 WO2001082813A2 (en) 2001-11-08
WO2001082813A3 true WO2001082813A3 (en) 2002-04-11

Family

ID=24231765

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/012628 WO2001082813A2 (en) 2000-04-27 2001-04-18 Variable length electrodes for delivery of irrigated ablation

Country Status (5)

Country Link
US (3) US6488680B1 (en)
EP (1) EP1278472B1 (en)
AU (1) AU2001253656A1 (en)
DE (1) DE60133099T2 (en)
WO (1) WO2001082813A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8979838B2 (en) 2010-05-24 2015-03-17 Arthrocare Corporation Symmetric switching electrode method and related system

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US7435250B2 (en) 2008-10-14
EP1278472B1 (en) 2008-03-05
DE60133099D1 (en) 2008-04-17
EP1278472A2 (en) 2003-01-29

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