CA1064581A - Circuit de controle de pulsations et methode pour appareil d'electrochirurgie - Google Patents

Circuit de controle de pulsations et methode pour appareil d'electrochirurgie

Info

Publication number
CA1064581A
CA1064581A CA 249144 CA249144A CA1064581A CA 1064581 A CA1064581 A CA 1064581A CA 249144 CA249144 CA 249144 CA 249144 A CA249144 A CA 249144A CA 1064581 A CA1064581 A CA 1064581A
Authority
CA
Grant status
Grant
Patent type
Prior art keywords
signal
circuit means
pulse
control circuit
duty cycle
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
Application number
CA 249144
Other languages
English (en)
Inventor
Stephen W. Andrews
Stanley Woltosz
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 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
Grant date

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
CA 249144 1974-07-15 1976-03-30 Circuit de controle de pulsations et methode pour appareil d'electrochirurgie Expired CA1064581A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05582593 US4024467A (en) 1974-07-15 1975-06-02 Method for controlling power during electrosurgery

Publications (1)

Publication Number Publication Date
CA1064581A true CA1064581A (fr) 1979-10-16

Family

ID=24329752

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 249144 Expired CA1064581A (fr) 1974-07-15 1976-03-30 Circuit de controle de pulsations et methode pour appareil d'electrochirurgie

Country Status (3)

Country Link
CA (1) CA1064581A (fr)
DE (1) DE2619081A1 (fr)
FR (1) FR2313708B1 (fr)

Families Citing this family (295)

* Cited by examiner, † Cited by third party
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FR2313708A1 (fr) 1976-12-31 application
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FR2313708B1 (fr) 1980-07-04 grant
DE2619081A1 (de) 1976-12-23 application

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