Ultrasonic knife tissue cutting end feedback control method based on sliding window

The invention relates to the technical field of medical instruments, and particularly discloses an ultrasonic knife tissue cutting end feedback control method based on sliding windows, which comprises the following steps of: establishing a plurality of sliding windows, and separately arranging a short-time monitoring window and a long-time monitoring window; power and voltage changes in a short time and a long time are respectively detected to judge whether the tissue cutting end requirement is met or not, so that the accuracy of tissue cutting end identification is greatly improved, and the stability of an ultrasonic knife system tissue feedback algorithm is enhanced. Meanwhile, four judgment nodes, namely the voltage value reduction frequency, the voltage value reduction average value, the power reduction frequency and the power reduction average value, are applied in the tissue cutting process of the ultrasonic knife, each judgment node can respond quickly, tissue cutting end recognition points are further