WO2006007305A3 - Methods and devices for directionally ablating tissue - Google Patents

Methods and devices for directionally ablating tissue Download PDF

Info

Publication number
WO2006007305A3
WO2006007305A3 PCT/US2005/019962 US2005019962W WO2006007305A3 WO 2006007305 A3 WO2006007305 A3 WO 2006007305A3 US 2005019962 W US2005019962 W US 2005019962W WO 2006007305 A3 WO2006007305 A3 WO 2006007305A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue
elongate member
methods
flexible elongate
directionally
Prior art date
Application number
PCT/US2005/019962
Other languages
French (fr)
Other versions
WO2006007305A2 (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 CA002569214A priority Critical patent/CA2569214A1/en
Priority to JP2007515685A priority patent/JP2008501444A/en
Priority to EP05794087A priority patent/EP1758518A2/en
Publication of WO2006007305A2 publication Critical patent/WO2006007305A2/en
Publication of WO2006007305A3 publication Critical patent/WO2006007305A3/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

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Surgical Instruments (AREA)
  • Laser Surgery Devices (AREA)
  • Radiation-Therapy Devices (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

Ablation instruments and methods are disclosed for ablating diseased tissue such as cardiac tissue. The method includes introducing a flexible elongate member into a predetermined tissue site with a flexible elongate member having a proximal end, a distal end and a longitudinal lumen extending therebetween. A slidable conductor is positioned through the lumen proximate to the tissue site and energy is transmitted to the distal end of the elongate member through the conductor. The flexible elongate member is both longitudinally flexible and resists twisting during bending. The target tissue is ablated, coagulated or photochemically modulated without damaging surrounding tissue.
PCT/US2005/019962 2004-06-07 2005-06-06 Methods and devices for directionally ablating tissue WO2006007305A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002569214A CA2569214A1 (en) 2004-06-07 2005-06-06 Methods and devices for directionally ablating tissue
JP2007515685A JP2008501444A (en) 2004-06-07 2005-06-06 Method and device for directional resection of tissue
EP05794087A EP1758518A2 (en) 2004-06-07 2005-06-06 Methods and devices for directionally ablating 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
WO2006007305A2 WO2006007305A2 (en) 2006-01-19
WO2006007305A3 true WO2006007305A3 (en) 2006-04-27

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 Before (1)

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

Country Status (5)

Country Link
US (2) US20050273090A1 (en)
EP (2) EP1763322A2 (en)
JP (2) JP2008501444A (en)
CA (2) CA2569582A1 (en)
WO (2) WO2005120379A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9549777B2 (en) 2005-05-16 2017-01-24 St. Jude Medical, Atrial Fibrillation Division, Inc. Irrigated ablation electrode assembly and method for control of temperature

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* Cited by examiner, † Cited by third party
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