Electrosurgical apparatus
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United States of America Patent
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-
Jun 9, 1981
Grant Date -
N/A
app pub date -
Jan 16, 1979
filing date -
Jan 17, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an electrosurgical cutting device for the cutting and/or coagulation of tissue with RF current. A cutting electrode and a patient plate are connectable to the terminals of a RF generator. A control system, using a condition change arising at the cutting area during cutting as a controlled value, serves to control the RF current produced by the RF generator as a manipulated variable. The invention is characterized in that, for control of the RF-voltage of the RF generator, the control system responds to d-c voltage that arises at the cutting area during cutting with the RF current.
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