Endoscopic electrosurgical apparatus
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United States of America Patent
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Aug 2, 1994
Issued Date -
N/A
app pub date -
Apr 9, 1992
filing date -
Aug 28, 1985
priority date (Note) -
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Abstract
This invention relates to a surgical apparatus having four general embodiments: (1) the use of an ultrasonic vibrator and a radio frequency generator to simultaneously cut and cauterize tissue, (2) the use of an ultrasonic vibrator to cut tissue coupled with the independent use of a radio frequency generator to cut tissue, (3) the exclusive use of a radio frequency generator to cut and cauterize tissue, and (4) the use of a laser to fulgerate tissue. An aspiration system is preferably combined with these embodiments to facilitate surgery and biopsy.
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