FR2313708A1 - Circuit et procede de reglage du coefficient d'utilisation d'un signal module par impulsions - Google Patents

Circuit et procede de reglage du coefficient d'utilisation d'un signal module par impulsions

Info

Publication number
FR2313708A1
FR2313708A1 FR7612194A FR7612194A FR2313708A1 FR 2313708 A1 FR2313708 A1 FR 2313708A1 FR 7612194 A FR7612194 A FR 7612194A FR 7612194 A FR7612194 A FR 7612194A FR 2313708 A1 FR2313708 A1 FR 2313708A1
Authority
FR
France
Prior art keywords
potentiometer
impulse control
threshold switch
patient electrodes
control circuit
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.)
Granted
Application number
FR7612194A
Other languages
English (en)
Other versions
FR2313708B1 (fr
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.)
Sybron Transition Corp
Original Assignee
Sybron Corp
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
Priority claimed from US05/582,593 external-priority patent/US4024467A/en
Application filed by Sybron Corp filed Critical Sybron Corp
Publication of FR2313708A1 publication Critical patent/FR2313708A1/fr
Application granted granted Critical
Publication of FR2313708B1 publication Critical patent/FR2313708B1/fr
Granted legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/1206Generators therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00642Sensing and controlling the application of energy with feedback, i.e. closed loop control
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00696Controlled or regulated parameters
    • A61B2018/00726Duty cycle
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00892Voltage

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
FR7612194A 1975-06-02 1976-04-23 Circuit et procede de reglage du coefficient d'utilisation d'un signal module par impulsions Granted FR2313708A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/582,593 US4024467A (en) 1974-07-15 1975-06-02 Method for controlling power during electrosurgery

Publications (2)

Publication Number Publication Date
FR2313708A1 true FR2313708A1 (fr) 1976-12-31
FR2313708B1 FR2313708B1 (fr) 1980-07-04

Family

ID=24329752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612194A Granted FR2313708A1 (fr) 1975-06-02 1976-04-23 Circuit et procede de reglage du coefficient d'utilisation d'un signal module par impulsions

Country Status (3)

Country Link
CA (1) CA1064581A (fr)
DE (1) DE2619081A1 (fr)
FR (1) FR2313708A1 (fr)

Cited By (246)

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WO1995002369A1 (fr) * 1993-07-12 1995-01-26 Gyrus Medical Limited Generateur electrochirurgical
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