Electrosurgery system and method
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United States of America Patent
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May 8, 2001
Grant Date -
N/A
app pub date -
Dec 19, 2002
filing date -
May 21, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrosurgical generator has output terminals for connection to active and return electrodes respectively of an electrosurgical instrument and, connected to the output terminals via at least one isolation capacitor, a radio frequency (r.f.) source which may be pulsed by a pulsing circuit. To permit tissue removal at a high rate, the source and the pulsing circuit are arranged so as to generate a pulsed r.f. output signal having a peek-to-peek voltage of at least 1250V, a mark-to-space ratio not more than 1:1, and a pulse length not more than 100 .mu.s.
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