Patent ID: 8998891
Filing Date: 2015-04-07
Classification: A61B

Abstract:
1. An electrosurgical instrument for selectively providing electrosurgical currents at various carrier frequencies and in different electrosurgical modes to operate an electrosurgical handpiece, comprising: RF power generating circuitry configured to generate a first carrier frequency, a second carrier frequency, and a third carrier frequency, each frequency being different from any such other frequency; wherein the RF power generating circuitry includes a modulating circuit configured to generate at least two different modulating waveforms selected from the group of a first modulating waveform, a second modulating waveform, a third modulating waveform, and a fourth modulating waveform, each modulating waveform providing a different desired electrosurgical mode from any other such modulating wave form; wherein the instrument is configured to selectably output to an electrosurgical handpiece a signal representing any one or more of the two different modulating waveforms for each of at least two of the carrier frequencies, and wherein any combination of carrier frequency and modulated waveform is selectably outputtable to a connector for either a monopolar or bipolar electrosurgical handpiece.