ATE493087T1 - Kathetersystem auf hochfrequenz-basis und verfahren zur ablation von biologischen geweben - Google Patents

Kathetersystem auf hochfrequenz-basis und verfahren zur ablation von biologischen geweben

Info

Publication number
ATE493087T1
ATE493087T1 AT04779679T AT04779679T ATE493087T1 AT E493087 T1 ATE493087 T1 AT E493087T1 AT 04779679 T AT04779679 T AT 04779679T AT 04779679 T AT04779679 T AT 04779679T AT E493087 T1 ATE493087 T1 AT E493087T1
Authority
AT
Austria
Prior art keywords
biological tissue
frequency
shapeable
antenna
ablation
Prior art date
Application number
AT04779679T
Other languages
English (en)
Inventor
Theodore Ormsby
Ming-Fan Law
George Leung
Original Assignee
Medwaves 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 Medwaves Inc filed Critical Medwaves Inc
Application granted granted Critical
Publication of ATE493087T1 publication Critical patent/ATE493087T1/de

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
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • 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
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • 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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00875—Resistance or impedance
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1435—Spiral
    • A61B2018/1437—Spiral whereby the windings of the spiral touch each other such as to create a continuous surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT04779679T 2003-08-08 2004-07-30 Kathetersystem auf hochfrequenz-basis und verfahren zur ablation von biologischen geweben ATE493087T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/637,325 US7070595B2 (en) 1998-12-14 2003-08-08 Radio-frequency based catheter system and method for ablating biological tissues
PCT/US2004/024696 WO2005016119A2 (en) 2003-08-08 2004-07-30 Radio-frequency based catheter system and method for ablating biological tissues

Publications (1)

Publication Number Publication Date
ATE493087T1 true ATE493087T1 (de) 2011-01-15

Family

ID=34193569

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04779679T ATE493087T1 (de) 2003-08-08 2004-07-30 Kathetersystem auf hochfrequenz-basis und verfahren zur ablation von biologischen geweben

Country Status (6)

Country Link
US (1) US7070595B2 (de)
EP (1) EP1653874B1 (de)
CN (1) CN1832708B (de)
AT (1) ATE493087T1 (de)
DE (1) DE602004030802D1 (de)
WO (1) WO2005016119A2 (de)

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Also Published As

Publication number Publication date
US20040106917A1 (en) 2004-06-03
US7070595B2 (en) 2006-07-04
EP1653874A4 (de) 2007-09-19
WO2005016119A2 (en) 2005-02-24
EP1653874B1 (de) 2010-12-29
DE602004030802D1 (de) 2011-02-10
WO2005016119A3 (en) 2005-12-01
CN1832708A (zh) 2006-09-13
EP1653874A2 (de) 2006-05-10
CN1832708B (zh) 2010-04-14

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