Problem to be solved: to provide an endoscope capable of preventing malfunction caused by foreign matters such as gallstones.EndoscopeAn operation part having an operation member andAt the tip of the operation sectionInsert into the subject andLocated at the tip of the insertThe body of the front end where the standing stand accommodation space was formedIt is located in the standing stand accommodation spaceRotate around the rotating shaft between the lodging position and the standing positionStanding stand with therapeutic tool induction surfaceAttached to the tip bodyIt is a cap covering the standing stand space.A cap having a wall defining an open window opened to the opposite side to the treatment guide surfaceEquipped withFor a virtual sphere that can pass through a window gap formed by a standing stand and a cap wall in the stand positionIn the state in which the standing stand is in the collapsed position, the inner space formed by the opposite surface of the guide surface of the stand of the stand and the wall of the cap is large enough to accommodate the virtual sphere.Failure of the standing stand caused by foreign matter such as gallstone can be prevented.Diagram【課題】胆石等の異物に起因する倒伏不良を防止できる内視鏡を提供する。【解決手段】内視鏡は、操作部材が設けられた操作部と、操作部の先端側に設けられ、被検体内に挿入される挿入部と、挿入部の先端に位置し、起立台収容空間が形成された先端部本体と、起立台収容空間に配置され、回転軸を中心に倒伏位置と起立位置との間で回転自在で、かつ処置具誘導面を有する起立台と、先端部本体に取り付けられ、起立台収容空間を覆うキャップであって、処置具誘導面と対向する側に開放された開口窓を画定する壁部を有するキャップと、を備え、起立台が起立位置にある状態で起立台とキャップの壁部とにより形成される窓隙間を通過可能な仮想球に対し、起立台が倒伏位置にある状態で起立台の処置具誘導面の反対面とキャップの壁部とにより形成される内部空間が仮想球を収容可能な大きさである。胆石等の異物に起因する起立台の倒伏不良が防止できる。【選択図】図７
