WO2003053259A3 - A tissue ablation apparatus with a sliding ablation instrument and method - Google Patents

A tissue ablation apparatus with a sliding ablation instrument and method Download PDF

Info

Publication number
WO2003053259A3
WO2003053259A3 PCT/US2001/049686 US0149686W WO03053259A3 WO 2003053259 A3 WO2003053259 A3 WO 2003053259A3 US 0149686 W US0149686 W US 0149686W WO 03053259 A3 WO03053259 A3 WO 03053259A3
Authority
WO
WIPO (PCT)
Prior art keywords
ablation
ablative
sheath
tissue
lumen
Prior art date
Application number
PCT/US2001/049686
Other languages
French (fr)
Other versions
WO2003053259A2 (en
Inventor
Dinesh Mody
Dany Berube
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
Application filed by Afx Inc filed Critical Afx Inc
Priority to EP01275085A priority Critical patent/EP1395190A2/en
Priority to AU2001298066A priority patent/AU2001298066A1/en
Priority to JP2003554021A priority patent/JP2005512668A/en
Priority to CA002433416A priority patent/CA2433416A1/en
Publication of WO2003053259A2 publication Critical patent/WO2003053259A2/en
Publication of WO2003053259A3 publication Critical patent/WO2003053259A3/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
    • A61B18/02—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
    • A61B18/18—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
    • A61B18/02—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
    • A61B18/04—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
    • 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
    • A61B2018/1497—Electrodes covering only part of the probe circumference

Abstract

A system (20) and method for ablating a selected portion of a contact surface of biological tissue is provided. The system includes an elongated ablation sheath (22) 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 (25) sized to slideably receive an elongated ablative device (26) longitudinally therethrough. The ablative device includes a flexible ablation element (60) 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.
PCT/US2001/049686 2000-12-29 2001-12-28 A tissue ablation apparatus with a sliding ablation instrument and method WO2003053259A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01275085A EP1395190A2 (en) 2000-12-29 2001-12-28 A tissue ablation apparatus with a sliding ablation instrument and method
AU2001298066A AU2001298066A1 (en) 2000-12-29 2001-12-28 A tissue ablation apparatus with a sliding ablation instrument and method
JP2003554021A JP2005512668A (en) 2000-12-29 2001-12-28 Tissue ablation device using a slide ablation instrument
CA002433416A CA2433416A1 (en) 2000-12-29 2001-12-28 A tissue ablation apparatus with a sliding ablation instrument and method

Applications Claiming Priority (2)

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
US09/751,472 2000-12-29

Publications (2)

Publication Number Publication Date
WO2003053259A2 WO2003053259A2 (en) 2003-07-03
WO2003053259A3 true WO2003053259A3 (en) 2003-12-24

Family

ID=25022126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/049686 WO2003053259A2 (en) 2000-12-29 2001-12-28 A tissue ablation apparatus with a sliding ablation instrument and method

Country Status (6)

Country Link
US (7) US20020087151A1 (en)
EP (1) EP1395190A2 (en)
JP (2) JP2005512668A (en)
AU (1) AU2001298066A1 (en)
CA (1) CA2433416A1 (en)
WO (1) WO2003053259A2 (en)

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US8998900B2 (en) 2003-04-29 2015-04-07 Ncontact Surgical, Inc. Vacuum coagulation probes
US9308042B2 (en) 2002-06-14 2016-04-12 Ncontact Surgical, Inc. Vacuum coagulation probes
US9439714B2 (en) 2003-04-29 2016-09-13 Atricure, Inc. Vacuum coagulation probes

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