| 摘要 |
A high frequency forceps (high frequency treatment instrument) 1 according to the present invention includes an electrical circuit which is connected via a connection cord to a high frequency power source which generates a high frequency voltage in which a pair of forceps pieces (treatment electrodes) 6A and 6B which performs conduction treatment to a target tissue by using high frequency current between a return electrode with the high frequency voltage applied from the high frequency power source, and is known as a monopolar high frequency forceps. The high frequency forceps includes an elongated flexible tube 8 in which the pair of forceps pieces 6A and 6B are arranged at distal end thereof and an impedance adjust part 11 that is connected to the electrical circuit and, based on the frequency of the high frequency power source, changes at least one of an actual number part and an imaginary number part of the impedance of the electrical circuit. According to the present invention, it is possible to provide a high frequency treatment instrument which can efficiently supply a high frequency current to a treatment electrode, and can reduce power consumption. |
