WO2004026122B1 - A tissue ablation system with a sliding ablating device and method - Google Patents

A tissue ablation system with a sliding ablating device and method

Info

Publication number
WO2004026122B1
WO2004026122B1 PCT/US2003/030314 US0330314W WO2004026122B1 WO 2004026122 B1 WO2004026122 B1 WO 2004026122B1 US 0330314 W US0330314 W US 0330314W WO 2004026122 B1 WO2004026122 B1 WO 2004026122B1
Authority
WO
WIPO (PCT)
Prior art keywords
ablation
ablative
tubular member
sheath
lumen
Prior art date
Application number
PCT/US2003/030314
Other languages
French (fr)
Other versions
WO2004026122A2 (en
WO2004026122A3 (en
Inventor
Sing Fatt Chin
Dany Berube
Dinesh Mody
Nancy Norris
Original Assignee
Afx 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
Priority claimed from US09/751,472 external-priority patent/US20020087151A1/en
Application filed by Afx Inc filed Critical Afx Inc
Priority to EP03797935A priority Critical patent/EP1542607A4/en
Priority to AU2003276949A priority patent/AU2003276949A1/en
Publication of WO2004026122A2 publication Critical patent/WO2004026122A2/en
Publication of WO2004026122A3 publication Critical patent/WO2004026122A3/en
Publication of WO2004026122B1 publication Critical patent/WO2004026122B1/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
    • A61B18/18—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
    • 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
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using 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
    • 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
    • A61B2018/00375—Ostium, e.g. ostium of pulmonary vein or artery
    • 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
    • A61B2018/00773—Sensed parameters
    • A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
    • 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
    • A61B2018/1407—Loop

Abstract

A system and method for ablating a selected portion of a contact surface of biological tissue is provided. The system includes an elongated ablation sheath having a preformed shape adapted to substantially conform a predetermined surface thereof with the contact surface of the tissue. The ablation sheath defines an ablation lumen sized to slideably receive an elongated ablative device longitudinally therethrough. The ablative device includes a flexible ablation element selectively generating an ablative field sufficiently strong to cause tissue ablation. Advancement of the ablation element slideably through the ablation lumen of the ablation sheath selectively places the ablation element along the ablation path for guide ablation on the contact surface when the predetermined surface is in strategic contact therewith. The ablation lumen and the ablative device cooperate to position the ablation element proximate to the ablation sheath predetermined surface for selective ablation of the selected portion within the ablative field.

Claims

AMENDED CLAIMS [received by the International Bureau 27 October 2004 (27.10.04); original claims 1 to 10 replaced by new claims 1 to 4]
+ STATEMENT
IN THE CLAIMS: 1. An ablation system, comprising: an elongated tubular member having lateral flexibility and having at least a pair of lumens extending therethrough between proximal and distal ends thereof; an energy delivery device comprising at least one ablative element adapted to translate within one of the pair of lumens of the tubular member; an ablative energy source operably attached to the at least one ablative element; and an element disposed in another of the pair of lumens at each of one or more desired locations along the elongated tubular member for modifying the lateral flexibility thereof. 2. The system of claim 1 , further comprising indicators disposed with respect to the one or more desired locations for indicating the relative position of the energy delivery device with respect to the flexible tubular member. 3. The system of claim 2 in which the indicators are disposed upon an outer surface of the tublar member. 4. The system of claim 2, wherein the desired locations comprise substantially the entire length of the elongated tubular member.
83
PCT/US2003/030314 2000-12-29 2003-09-23 A tissue ablation system with a sliding ablating device and method WO2004026122A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03797935A EP1542607A4 (en) 2000-12-29 2003-09-23 A tissue ablation system with a sliding ablating device and method
AU2003276949A AU2003276949A1 (en) 2000-12-29 2003-09-23 A tissue ablation system with a sliding ablating device and method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/751,472 US20020087151A1 (en) 2000-12-29 2000-12-29 Tissue ablation apparatus with a sliding ablation instrument and method
US10/177,840 US20030069575A1 (en) 2000-12-29 2002-06-21 Tissue ablation system with a sliding ablating device and method
US10/253,737 2002-09-23
US10/253,737 US20030083654A1 (en) 2000-12-29 2002-09-23 Tissue ablation system with a sliding ablating device and method

Publications (3)

Publication Number Publication Date
WO2004026122A2 WO2004026122A2 (en) 2004-04-01
WO2004026122A3 WO2004026122A3 (en) 2004-10-14
WO2004026122B1 true WO2004026122B1 (en) 2005-03-03

Family

ID=38667109

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/030314 WO2004026122A2 (en) 2000-12-29 2003-09-23 A tissue ablation system with a sliding ablating device and method

Country Status (4)

Country Link
US (1) US20030083654A1 (en)
EP (1) EP1542607A4 (en)
AU (1) AU2003276949A1 (en)
WO (1) WO2004026122A2 (en)

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US9119649B2 (en) 2009-07-28 2015-09-01 Neuwave Medical, Inc. Energy delivery systems and uses thereof
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US8672932B2 (en) 2006-03-24 2014-03-18 Neuwave Medical, Inc. Center fed dipole for use with tissue ablation systems, devices and methods
US9119649B2 (en) 2009-07-28 2015-09-01 Neuwave Medical, Inc. Energy delivery systems and uses thereof
US9566115B2 (en) 2009-07-28 2017-02-14 Neuwave Medical, Inc. Energy delivery systems and uses thereof
US9192438B2 (en) 2011-12-21 2015-11-24 Neuwave Medical, Inc. Energy delivery systems and uses thereof

Also Published As

Publication number Publication date
EP1542607A2 (en) 2005-06-22
AU2003276949A1 (en) 2004-04-08
AU2003276949A8 (en) 2004-04-08
WO2004026122A2 (en) 2004-04-01
WO2004026122A3 (en) 2004-10-14
EP1542607A4 (en) 2010-12-08
US20030083654A1 (en) 2003-05-01

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