WO2005120379A3 - Methods and devices for delivering ablative energy - Google Patents

Methods and devices for delivering ablative energy Download PDF

Info

Publication number
WO2005120379A3
WO2005120379A3 PCT/US2005/019763 US2005019763W WO2005120379A3 WO 2005120379 A3 WO2005120379 A3 WO 2005120379A3 US 2005019763 W US2005019763 W US 2005019763W WO 2005120379 A3 WO2005120379 A3 WO 2005120379A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue
elongate member
flexible elongate
energy
methods
Prior art date
Application number
PCT/US2005/019763
Other languages
French (fr)
Other versions
WO2005120379A2 (en
Inventor
Jim Ward
Tim Nieman
John Murphy
Ninh Huu Dang
Tazi Pruitt
Erik Bulman
Original Assignee
Edwards Lifesciences Corp
Jim Ward
Tim Nieman
John Murphy
Ninh Huu Dang
Tazi Pruitt
Erik Bulman
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 Edwards Lifesciences Corp, Jim Ward, Tim Nieman, John Murphy, Ninh Huu Dang, Tazi Pruitt, Erik Bulman filed Critical Edwards Lifesciences Corp
Priority to CA002569582A priority Critical patent/CA2569582A1/en
Priority to EP05756535A priority patent/EP1763322A2/en
Priority to JP2007515670A priority patent/JP2008501441A/en
Publication of WO2005120379A2 publication Critical patent/WO2005120379A2/en
Publication of WO2005120379A3 publication Critical patent/WO2005120379A3/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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—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 laser
    • A61B18/22—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • 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
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00184—Moving parts
    • A61B2018/00196—Moving parts reciprocating lengthwise
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—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 laser
    • A61B18/22—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B2018/2255—Optical elements at the distal end of probe tips
    • A61B2018/2261—Optical elements at the distal end of probe tips with scattering, diffusion or dispersion of light
    • 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
    • A61B18/20—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 laser
    • A61B18/22—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B2018/2255—Optical elements at the distal end of probe tips
    • A61B2018/2272—Optical elements at the distal end of probe tips with reflective or refractive surfaces for deflecting the beam

Abstract

Ablation instruments and methods are disclosed for ablating diseased tissue such as cardiac tissue. The ablation device can remotely apply ablative energy to biological tissue and comprises a flexible elongate member having a proximal end, a distal end and a longitudinal lumen extending therebetween. An energy emitting element is disposed within the longitudinal lumen of the flexible elongate member. The energy emitting element has a proximal end and a distal end for emitting energy along at least a portion of its length. The device is configured to emit a variable amount of energy along a length of the flexible elongate member. The method includes introducing the flexible elongate member into a predetermined tissue site to ablate a target tissue. The target tissue is ablated, coagulated or photochemically modulated without damaging surrounding tissue.
PCT/US2005/019763 2004-06-07 2005-06-06 Methods and devices for delivering ablative energy WO2005120379A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002569582A CA2569582A1 (en) 2004-06-07 2005-06-06 Methods and devices for delivering ablative energy
EP05756535A EP1763322A2 (en) 2004-06-07 2005-06-06 Methods and devices for delivering ablative energy
JP2007515670A JP2008501441A (en) 2004-06-07 2005-06-06 Method and device for directional resection of tissue

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US57802104P 2004-06-07 2004-06-07
US60/578,021 2004-06-07
US67291905P 2005-04-18 2005-04-18
US60/672,919 2005-04-18

Publications (2)

Publication Number Publication Date
WO2005120379A2 WO2005120379A2 (en) 2005-12-22
WO2005120379A3 true WO2005120379A3 (en) 2007-06-14

Family

ID=35431306

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2005/019763 WO2005120379A2 (en) 2004-06-07 2005-06-06 Methods and devices for delivering ablative energy
PCT/US2005/019962 WO2006007305A2 (en) 2004-06-07 2005-06-06 Methods and devices for directionally ablating tissue

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2005/019962 WO2006007305A2 (en) 2004-06-07 2005-06-06 Methods and devices for directionally ablating tissue

Country Status (5)

Country Link
US (2) US20050288654A1 (en)
EP (2) EP1763322A2 (en)
JP (2) JP2008501444A (en)
CA (2) CA2569582A1 (en)
WO (2) WO2005120379A2 (en)

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