Surgery – Instruments – Electrical application
Patent
1992-04-09
1994-08-02
Shay, David M.
Surgery
Instruments
Electrical application
606 34, 606 42, 606 16, 606 22, 606 27, 128 4, A61B 1736
Patent
active
053341830
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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Shay David M.
Valleylab Inc.
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