DE69925715D1 - Hochfrequenzkatheter zur ablation von körpergewebe - Google Patents

Hochfrequenzkatheter zur ablation von körpergewebe

Info

Publication number
DE69925715D1
DE69925715D1 DE69925715T DE69925715T DE69925715D1 DE 69925715 D1 DE69925715 D1 DE 69925715D1 DE 69925715 T DE69925715 T DE 69925715T DE 69925715 T DE69925715 T DE 69925715T DE 69925715 D1 DE69925715 D1 DE 69925715D1
Authority
DE
Germany
Prior art keywords
body tissue
ablating
radio
catheter
frequency energy
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69925715T
Other languages
English (en)
Other versions
DE69925715T2 (de
Inventor
Theodore C Ormsby
George L Leung
Ming-Fan Law
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medwave Inc
Original Assignee
Theodore C Ormsby
George L Leung
Ming-Fan Law
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 Theodore C Ormsby, George L Leung, Ming-Fan Law filed Critical Theodore C Ormsby
Application granted granted Critical
Publication of DE69925715D1 publication Critical patent/DE69925715D1/de
Publication of DE69925715T2 publication Critical patent/DE69925715T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • A61B18/04—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
    • 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
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets 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
    • A61B2018/00636—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
    • 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
    • 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
    • A61B2018/1861—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 with an instrument inserted into a body lumen or cavity, e.g. a catheter
    • 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
DE69925715T 1998-12-14 1999-12-08 Hochfrequenzkatheter zur ablation von körpergewebe Expired - Lifetime DE69925715T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US211188 1988-06-23
US09/211,188 US6190382B1 (en) 1998-12-14 1998-12-14 Radio-frequency based catheter system for ablation of body tissues
PCT/US1999/029148 WO2000035363A1 (en) 1998-12-14 1999-12-08 Radio-frequency based catheter system and hollow co-axial cable for ablation of body tissues

Publications (2)

Publication Number Publication Date
DE69925715D1 true DE69925715D1 (de) 2005-07-14
DE69925715T2 DE69925715T2 (de) 2006-03-23

Family

ID=22785906

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69925715T Expired - Lifetime DE69925715T2 (de) 1998-12-14 1999-12-08 Hochfrequenzkatheter zur ablation von körpergewebe
DE69941308T Expired - Lifetime DE69941308D1 (de) 1998-12-14 1999-12-08 Hochfrequenzkatheter mit koaxialem Hohlkabel zur Ablation von Körpergewebe

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69941308T Expired - Lifetime DE69941308D1 (de) 1998-12-14 1999-12-08 Hochfrequenzkatheter mit koaxialem Hohlkabel zur Ablation von Körpergewebe

Country Status (11)

Country Link
US (2) US6190382B1 (de)
EP (2) EP1054639B8 (de)
JP (2) JP2002532132A (de)
KR (1) KR100550164B1 (de)
CN (2) CN100558308C (de)
AT (1) ATE297167T1 (de)
AU (1) AU3115200A (de)
CA (1) CA2321413C (de)
DE (2) DE69925715T2 (de)
HK (1) HK1037313A1 (de)
WO (1) WO2000035363A1 (de)

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CN100558308C (zh) 2009-11-11
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US6663625B1 (en) 2003-12-16
US6190382B1 (en) 2001-02-20
CN1290148A (zh) 2001-04-04
CN1943523A (zh) 2007-04-11
CN1283212C (zh) 2006-11-08
CA2321413A1 (en) 2000-06-22
JP4340320B2 (ja) 2009-10-07
EP1054639B1 (de) 2005-06-08
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AU3115200A (en) 2000-07-03
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EP1054639A1 (de) 2000-11-29
KR100550164B1 (ko) 2006-02-08

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