PROBLEM TO BE SOLVED: To preferably maintain a bent state of a bent pipe.SOLUTION: An endoscope comprises: a bent pipe 63 comprising plural ring-shaped members 633 which are mutually connected along an insertion direction to a subject, and which can be bent to at least one direction； a flexible pipe which is provided continuously on a base end side of the bent pipe 63； an operation wire AW1 which is inserted into insides of the bent pipe 63 and the flexible pipe, and which is moved in an axial direction for bending the plural ring-shaped members 633 in at least one direction； an operation part which is provided continuously on the base end side of the flexible pipe, and which receives a first user operation of moving the operation wire AW1 in the axial direction for bending the plural ring-shaped members 633 in at least one direction； a brake mechanism 10 which is provided on a base end part 631 of the bent pipe 63, and which regulates the movement of the operation wire AW1 according to applied power； and an actuation member which receives a second user operation for actuating the brake mechanism 10.SELECTED DRAWING: Figure 3【課題】湾曲管の湾曲状態を良好に維持すること。【解決手段】内視鏡は、被検体内への挿入方向に沿って相互に連結されて少なくとも１方向に湾曲可能な複数のリング状部材６３３を有する湾曲管６３と、湾曲管６３の基端側に連設される可撓管と、湾曲管６３及び可撓管の内部に挿通され、軸方向に移動することで複数のリング状部材６３３を少なくとも１方向に湾曲させる操作ワイヤＡＷ１と、可撓管の基端側に連設され、操作ワイヤＡＷ１を軸方向に移動させて複数のリング状部材６３３を少なくとも１方向に湾曲させる第１のユーザ操作を受け付ける操作部と、湾曲管６３の基端部６３１に設けられ、与えられた動力に応じて操作ワイヤＡＷ１の移動を規制するブレーキ機構１０と、ブレーキ機構１０を作動させる第２のユーザ操作を受け付ける作動部材とを備える。【選択図】図３
