Cryogenic plasma ablation system and control method

Abstract

This application relates to the field of medical device technology and provides a low-temperature plasma ablation system and control method. The system includes an integrated main control module, a linear foot pedal module, a bipolar electrode with a built-in temperature sensor, a temperature acquisition module, and a multi-channel sampling module. The integrated main control module incorporates four-dimensional coupled adaptive control logic, configured to: calculate a three-dimensional coupled adaptive time constant based on the operation intention signal acquired by the linear foot pedal module, the real-time temperature signal, and the initial tissue impedance change rate calculated from the tissue impedance signal; correct the initial tissue impedance change rate based on this time constant; and finally, calculate the final output power to drive the bipolar electrode based on the corrected tissue impedance change rate, the operation intention signal, the real-time temperature signal, and the time constant. This application improves control accuracy and safety, and enhances system stability and flexibility by deeply integrating multi-dimensional information and dynamically and adaptively adjusting core control parameters.

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