The medical manipulator includes an insertion portion having a bending portion capable of bending operation on a distal end side, an end effector provided at a distal end portion of the insertion portion, and a first driving portion provided at a proximal end portion of the insertion portion. And connecting the first drive part and the bending part and providing a flexible power transmission member between the first drive part and the bending part, and applying a driving force to the power transmission member. The second drive unit connected to be able to transmit, and the power transmission member is provided so as to be able to act on a portion located between the first drive unit and the second drive unit, and the power transmission member A transmission blocking member that blocks power transmission from the first driving unit to the second driving unit.本医療用マニピュレータは、湾曲操作可能な湾曲部を先端側に有する挿入部と、前記挿入部の先端部に設けられたエンドエフェクタと、前記挿入部の基端部に設けられた第一駆動部と、前記第一駆動部と前記湾曲部とを接続し、可撓性を有する動力伝達部材と、前記第一駆動部と前記湾曲部との間に設けられ、前記動力伝達部材に駆動力を伝達可能に接続された第二駆動部と、前記動力伝達部材のうち、前記第一駆動部と前記第二駆動部との間に位置する部位に作用可能に設けられ、前記動力伝達部材による前記第一駆動部から前記第二駆動部への動力伝達を遮断する伝達遮断部材とを備える。
