Patent ID: 6059781
Filing Date: 2000-05-09
Classification: A61B

Abstract:
A surgical tool for surgically treating tissue in a patient, comprising:a radio frequency power generator for creating an alternating current of a pre-selected frequency;said radio frequency generator including an oscillator, a buffer amplifier and a power amplifier;said buffer amplifier and said power amplifier being series connected;an impedance matching means connected to said power amplifier for matching the impedance of a probe with the radio frequency generator;a watts/ampere meter connected to said impedance matching means;a loading and tuning coil connected to said watts/ampere meter;a probe for contact with the tissue;said loading and tuning coil being connected to said probe,said probe having a tip means for transmitting, receiving and focusing the radio frequency current at the region of the tissue such that the tissue being contacted is instantaneously vaporized, cut and/or cauterized.