Electrosurgery Unit with Bipolar Mode
Abstract
Minimizing blood loss during surgical procedures performed with conventional scalpels is crucial. This research aims to replace conventional surgical scalpels with an instrument utilizing high-frequency energy, precisely focused at a single point. By harnessing the heat generated by high-frequency energy concentrated at this point, the instrument facilitates surgical incisions and tissue cutting, significantly reducing blood loss. The system operates at a fixed frequency of 350 KHz, with a 100% duty cycle and three selectable power levels. A forceps serves as the medium for concentrating the high-frequency energy at the desired location. The module design includes a 350 KHz frequency generator, a pulse control circuit for duty cycle adjustment, a power control circuit for setting power levels, a driver circuit combining frequency and power settings to produce varying outputs, and an inverter circuit for voltage amplification. Oscilloscope measurements of the driver circuit yielded average amplitudes for low, medium, and high settings: 14 Vpp, 19.5 Vpp, and 22.5 Vpp, respectively
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