FR2409487A1 - Appareil et procede pour la mesure de la surface de contact avec les tissus d'une electrode d'electrochirurgie et de cryochirurgie - Google Patents

Appareil et procede pour la mesure de la surface de contact avec les tissus d'une electrode d'electrochirurgie et de cryochirurgie

Info

Publication number
FR2409487A1
FR2409487A1 FR7822565A FR7822565A FR2409487A1 FR 2409487 A1 FR2409487 A1 FR 2409487A1 FR 7822565 A FR7822565 A FR 7822565A FR 7822565 A FR7822565 A FR 7822565A FR 2409487 A1 FR2409487 A1 FR 2409487A1
Authority
FR
France
Prior art keywords
contact
measuring
cryosurgery
electrosurgery
tissues
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.)
Withdrawn
Application number
FR7822565A
Other languages
English (en)
Inventor
Frank W Harris
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.)
Valleylab Inc
Original Assignee
Valleylab 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 Valleylab Inc filed Critical Valleylab Inc
Publication of FR2409487A1 publication Critical patent/FR2409487A1/fr
Withdrawn legal-status Critical Current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
    • A61B18/14—Probes or electrodes therefor
    • A61B18/16—Indifferent or passive electrodes for grounding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

L'INVENTION A POUR OBJET UN APPAREIL PERMETTANT DE MESURER LA SURFACE DE CONTACT D'UN PATIENT AVEC UN INSTRUMENT DE CHIRURGIE. LE PATIENT EST MIS EN CONTACT AVEC UNE ELECTRODE DOUBLE16 ET 18 ET UN CIRCUIT OSCILLANT10 A FREQUENCE RADIO PERMET, EN MESURANT LA CAPACITANCE ENTRE UN INSTRUMENT DE CHIRURGIE14 ET L'ELECTRODE DOUBLE16 ET 18, DE CONNAITRE LA SURFACE DE CONTACT DE LA PREMIERE AVEC LE PATIENT. L'INVENTION EST UTILE POUR DE NOMBREUSES OPERATIONS D'ELECTROCHIRURGIE ET DE CRYOCHIRURGIE.
FR7822565A 1977-11-17 1978-07-31 Appareil et procede pour la mesure de la surface de contact avec les tissus d'une electrode d'electrochirurgie et de cryochirurgie Withdrawn FR2409487A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/852,431 US4200104A (en) 1977-11-17 1977-11-17 Contact area measurement apparatus for use in electrosurgery

Publications (1)

Publication Number Publication Date
FR2409487A1 true FR2409487A1 (fr) 1979-06-15

Family

ID=25313301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7822565A Withdrawn FR2409487A1 (fr) 1977-11-17 1978-07-31 Appareil et procede pour la mesure de la surface de contact avec les tissus d'une electrode d'electrochirurgie et de cryochirurgie

Country Status (4)

Country Link
US (1) US4200104A (fr)
JP (1) JPS5478885A (fr)
DE (1) DE2849422A1 (fr)
FR (1) FR2409487A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416693A1 (fr) * 1978-01-12 1979-09-07 Valleylab Inc Generateur a sources multiples pour electrochirurgie
FR2516782A1 (fr) * 1981-11-20 1983-05-27 Alm Appareil electro-chirurgical a courant haute frequence et procede de mise en oeuvre
EP0332307A2 (fr) * 1988-02-16 1989-09-13 Aspen Laboratories Inc. Appareil de contrôle pour l'électrode indifférente d'un appareil HF chirurgical

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US4200104A (en) 1980-04-29

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