DE69523517D1 - Vorrichtung zur elektrochirurgischen Behandlung von Gewebe - Google Patents

Vorrichtung zur elektrochirurgischen Behandlung von Gewebe

Info

Publication number
DE69523517D1
DE69523517D1 DE69523517T DE69523517T DE69523517D1 DE 69523517 D1 DE69523517 D1 DE 69523517D1 DE 69523517 T DE69523517 T DE 69523517T DE 69523517 T DE69523517 T DE 69523517T DE 69523517 D1 DE69523517 D1 DE 69523517D1
Authority
DE
Germany
Prior art keywords
impedance
temperature
tissue
maximum
control
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
DE69523517T
Other languages
English (en)
Other versions
DE69523517T2 (de
Inventor
William L Hassler
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery 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 Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of DE69523517D1 publication Critical patent/DE69523517D1/de
Application granted granted Critical
Publication of DE69523517T2 publication Critical patent/DE69523517T2/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
    • 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
    • A61B18/1206—Generators 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
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • 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
    • A61B2018/00666—Sensing and controlling the application of energy using a threshold value
    • 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
    • A61B2018/00666—Sensing and controlling the application of energy using a threshold value
    • A61B2018/00678—Sensing and controlling the application of energy using a threshold value upper
    • 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
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • 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
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • A61B2018/00708—Power or energy switching the power on or off
    • 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
    • A61B2018/00791—Temperature
    • 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
DE69523517T 1994-07-28 1995-07-27 Vorrichtung zur elektrochirurgischen Behandlung von Gewebe Expired - Lifetime DE69523517T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/282,522 US5540684A (en) 1994-07-28 1994-07-28 Method and apparatus for electrosurgically treating tissue

Publications (2)

Publication Number Publication Date
DE69523517D1 true DE69523517D1 (de) 2001-12-06
DE69523517T2 DE69523517T2 (de) 2002-05-08

Family

ID=23081888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523517T Expired - Lifetime DE69523517T2 (de) 1994-07-28 1995-07-27 Vorrichtung zur elektrochirurgischen Behandlung von Gewebe

Country Status (9)

Country Link
US (1) US5540684A (de)
EP (1) EP0694291B1 (de)
JP (1) JPH0898845A (de)
AT (1) ATE207725T1 (de)
AU (1) AU688045B2 (de)
CA (1) CA2154743C (de)
DE (1) DE69523517T2 (de)
ES (1) ES2162899T3 (de)
SI (1) SI0694291T1 (de)

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US5540684A (en) 1996-07-30
EP0694291A1 (de) 1996-01-31
AU2501295A (en) 1996-02-08
EP0694291B1 (de) 2001-10-31
ES2162899T3 (es) 2002-01-16
CA2154743C (en) 2006-10-10
ATE207725T1 (de) 2001-11-15
SI0694291T1 (en) 2002-02-28
JPH0898845A (ja) 1996-04-16
DE69523517T2 (de) 2002-05-08
CA2154743A1 (en) 1996-01-29
AU688045B2 (en) 1998-03-05

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