The present invention relates to a surgical instrument (20), the other end portion of the surgical instrument 20 has the from is guided in the sleeve (1) an operating device (3) arranged on one end of said sleeve (1), the sleeve wherein in a / the push member (2) is the roof (4) is extended form - includes / push-member (2), wherein the pull-pull provided to transfer the pulling force / pushing force to the loop (4) disposed is for moving the loop (4) in the expanded opening (5) use is placed in front of the sleeve (1) position of the loop (4) in the storage position lies within the sleeve (1), and move to the storage position again, wherein the loop 4 is in part said sleeve (1) can not and has two common extension rim (6) an extension of the V-shape is placed in front of the sleeve (1), the extension rim, at least the opening plane (5 in position using flexural stiffness is larger than the loop arc (7) connecting to each other a) ") in the transverse direction each free end (6 of the extension rim for", in which the pull-/ push member 2 has the electrical conductivity . At least a first long side portion section 21 is a branch, or an electrically insulating material electrically insulating coating material (23) of the loop arc (7) disposed in the long-side side of the loop (4) from the storage location for the desired improvement example It is made of, at least a second long side portion section 22 of the loop arc (7) disposed on the other long-side side of the loop (4) in the storage position has an electrical conductivity at least does not have an electrically insulating coating material It is electrically conducting and possibly the connection / push-member (2) of the extended rim (6) by the pool.본 발명은 수술기구(20)에 관한 것으로, 상기 수술기구(20)는 슬리브(1) 내에서 가이드되고 상기 슬리브(1)의 한 단부에 배치된 작동장치(3)로부터 상기 슬리브의 다른 단부에 배치된 루프(4)로 풀링력/푸싱력을 전달하기 위해 제공된 풀-/푸쉬 부재(2)를 포함하며, 상기 풀-/푸쉬 부재(2)는 상기 루프(4)가 확장된 형태로 상기 슬리브(1) 내에 놓이는 보관위치에서 상기 루프(4)의 확장된 개구(5)가 상기 슬리브(1) 앞에 놓이는 사용위치로 상기 루프(4)를 이동시키고
