Electrosurgical apparatus
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United States of America Patent
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-
Apr 8, 1986
Issued Date -
N/A
app pub date -
Jun 7, 1984
filing date -
Jan 2, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrosurgical apparatus comprises a high frequency power generator, a high frequency transformer, a handpiece for mounting an electrode, and a connecting cable between the generator and the handpiece. In order to provide an automatic adaptation or adjustment so that the power delivered by the cutting electrode is continuously changed according to the cutting depth, the effective length of the connecting cable has been adapted to the output frequency of the generator so that the transfer characteristic of the cable provides a true ohmic transfer or reflection of the load at the electrode-end of the cable to the generator-end of the cable.
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