| abstract |
The present invention discloses a system including a generator and a surgical instrument, wherein the generator is configured to deliver a combined signal including a radio frequency (RF) component and an ultrasonic component to the surgical instrument; and the surgical instrument includes: an RF energy output terminal, ultrasonic energy output terminal, and circuit. The circuit is configured to direct the RF component to the RF energy output and the ultrasonic component to the ultrasonic energy output, wherein the generator is configured to adjust the frequency of the RF component based on characterization of circuit components of the circuit. |