Surgery – Instruments – Electrical application
Patent
1993-08-03
2000-05-09
Peffley, Michael
Surgery
Instruments
Electrical application
606 49, A61B 1736
Patent
active
06059781&
ABSTRACT:
A surgical tool for surgically treating tissue in a patient comprising a radio frequency power generator for creating an alternating current having an impedance matching circuit connected thereto for matching the impedance of a surgical instrument with the radio frequency generator. A loading and tuning coil is connected to a watts/ampere meter which is connected to the impedance matching circuit. The loading and tuning coil is connected to a surgical instrument which has a tip for focusing the radio frequency current at the region of the tissue such that the tissue being contacted is instantaneously vaporized and cut and/or cauterized.
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Patil Arun Angelo
Yamanashi William S.
Peffley Michael
Thomte Dennis L.
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