Development of microwave tissue coagulator with cutting mechanism

Summary form only given. In recent years, electrical scalpel has widely been used for surgical operation. It employs the radio frequency (RF: from several hundred kHz to several MHz) current and can realize both tissue coagulation and dissection. However, this device has some problems. First, the RF current may through the unexpected part, and it will cause involuntary muscle movement. Moreover, since the device generates excessively high temperature, the biological tissue is carbonized. As a result, fog will be generated. This is one of the serious problems especially in laparoscopic surgery.