When the high-frequency high-voltage current generated by the high-frequency electrosurgical knife passes through the high-impedance tissue, it will generate heat in the tissue, causing the tissue to vaporize or coagulate. As the tissue coagulates, the water in the cells vaporizes, drying out the tissue, causing a constant increase in electrical resistance, and eventually a complete cessation of current flow.

It heats the tissue through the high-frequency high-voltage current generated by the effective electrode tip when it is in contact with the body, so as to realize the separation and coagulation of the body tissue, so as to achieve the purpose of cutting and hemostasis.

The high-frequency ionization surgical treatment instrument uses the extremely high electric field intensity formed by the gap between the contact and the tissue to ionize the gas molecules, and the diseased tissue is coagulated or carbonized and necrotic. It has a short fire and a long fire. The short fire has strong penetrating force and small spark, and generates a high temperature of about 3000 ° C at the moment of output, which can destroy the proliferative cells in the tissue and the base. The long-fire has weak penetrating power, large spark, and strong destructive ability to the tissue surface, which can quickly remove hyperplasia-like vegetations, and has good hemostasis.