Has energizable electrode portion (63), the insulating part of the insulation and (64), the high-frequency treatment instrument of the present invention (51) was supported in a relatively rotatable clamp rotary shaft by (65) operation for connecting the operating unit and operation unit for performing ((61), the second forceps member first gripper member (62)) and the opening and closing of the forceps members of a pair of forceps members of a pair, the forceps members of a pair a wire, a first end is pivotally connected to the forceps rotation axis (65), the second end is connected to the power supply, regulation which is connected electrically (63) electrode part I and a (71) wires. In accordance with the present invention, it is possible to provide a high frequency treatment instrument having a feed structure which tends to concentrate the energy.本発明の高周波処置具(51)は、通電可能な電極部(63)と、絶縁性の絶縁部(64)とを有し、鉗子回動軸(65)によって相対回動可能に支持された一対の鉗子部材(第1鉗子部材(61)、第2鉗子部材(62))と、一対の鉗子部材の開閉操作を行うための操作部と、一対の鉗子部材と操作部とを接続する操作ワイヤと、第一の端部が鉗子回動軸(65)に対して回動可能に接続され、第二の端部が電源と接続され、電極部(63)と電気的に接続された規制ワイヤ(71)とを備える。本発明によれば、エネルギーを集中させやすい給電構造を有する高周波処置具を提供することができる。
