An elongated insertion portion to be inserted into the subject, an operation portion continuously provided on the proximal end side in the insertion direction of the insertion portion, a first bending operation which bends by an operation input of a bending operation de provided in the operation portion An insertion de comprising a bending portion including a portion and a second bending portion, wherein the insertion de is inserted into the insertion portion and the operation portion, and the bending portion is bent by the operation input of the bending operation de. At least two bending wires capable of advancing and retracting along the part, a wire movement restricting portion for restricting a range in which the bending wire advances and retracts, and a wire movement restricting portion for restricting a range in which the bending wire advances and retracts, a first bending portion of the bending portion and A bending portion bending state switching mechanism provided in an operating portion that switches between a first bending state in which the bending portion of the bending portion is bending and a second bending state in which only the first bending portion of the bending portion operates, And a wire movement restricting section switching mechanism for switching the wire movement restricting section in synchronization with a switching operation to the first bending state or the second bending state by the bending section bending state switching mechanism.被検体内に挿入される細長な挿入部と、挿入部の挿入方向基端側に連設された操作部と、操作部に設けられた湾曲操作装置の操作入力によって湾曲動作する第1の湾曲部位と第2の湾曲部位とを含む湾曲部を備える挿入機器であって、挿入部及び操作部内に挿通され、湾曲操作装置の操作入力によって湾曲部を湾曲動作させる、挿入部内に挿通されて挿入部に沿って進退移動自在な少なくとも2条の湾曲ワイヤと、湾曲ワイヤが進退移動する範囲を規制するワイヤ移動規制部と、湾曲操作装置の操作入力によって、湾曲部の第1の湾曲部位及び第2の湾曲部位が湾曲動作する第1の湾曲状態と、湾曲部の第1湾曲部位のみが湾曲動作する第2の湾曲状態と、を切り替える操作部に設けられた湾曲部湾曲状態切替機構と、湾曲部湾曲状態切替機構による第1の湾曲状態又は第2の湾曲状態への切替動作に同期して、ワイヤ移動規制部を切り替えるワイヤ移動規制部切替機構と、を備える挿入機器。
