Abstract
Abstract In this study, a 55.5 kHz frequency ultrasonic transducer is designed for an electrosurgical electrode to satisfy the requirement of minimally invasive surgery. The structure of the ultrasonic transducer is modified to induce longitudinal vibration at 55.5 kHz. Simulation results demonstrate that the ultrasonic transducer would longitudinally vibrate at frequencies of 48.01 kHz and 56.035 kHz. An ultrasonic transducer is fabricated to experimentally test the simulation results; the results demonstrate that the resonant frequency is approximately 55.5 kHz, and the output amplitude is satisfactory for cutting soft tissues.
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