| abstract |
A surgical instrument is disclosed. The surgical instrument comprises an end effector comprising an ultrasonic blade and a clamp arm. The clamp arm is movable relative to the ultrasonic blade to transition the end effector through different closure stages between an open configuration and a closed configuration to clamp tissue between the ultrasonic blade and the clamp arm. The surgical instrument further comprises a transducer configured to generate an ultrasonic energy output, a waveguide configured to transmit the ultrasonic energy output to the ultrasonic blade, and a sensor configured to transmit sensor signals indicative of the closure stages of the end effector. The surgical instrument further comprises a control circuit configured to receive the sensor signals and select an operational mode from operational modes delivering different ultrasonic energy outputs from the transducer based on the received sensor signals. |