PROBLEM TO BE SOLVED: To smoothly and easily lead an insert part of an endoscope out of a side-wall opening part of a cylindrical body.SOLUTION: There is provided an insertion assisting tool 60 for endoscope into which an insert part 12 of an endoscope 10 is inserted to be guided, the insertion assisting tool 60 for endoscope including a tube body 64 having an insertion path 66 into which the insert part 12 is inserted, a side-wall opening part 68 which is provided to a tip side of a side wall part 65 of the tube body 64, and can lead a tip of the insert part 12 inserted into the insertion path 66, and a recessed part 70 which is formed on an inner peripheral surface of the tube body 64 along a tube axial direction, and engages an engagement member 72 provided to the tip of the insert part 12 inserted into the insertion path 66 to guide the insert part 12 along the tube axial direction.COPYRIGHT: (C)2013,JPO&INPIT【課題】筒状体の側壁開口部から内視鏡の挿入部を円滑且つ容易に導出させることができるようにする。【解決手段】内視鏡10の挿入部12を挿通して案内する内視鏡用挿入補助具60であって、挿入部12が挿通される挿通路66を有するチューブ本体64と、チューブ本体64の側壁部65の先端側に設けられ、挿通路66に挿通された挿入部12の先端を導出可能な側壁開口部68と、チューブ本体64の内周面にチューブ軸方向に沿って形成され、挿通路66に挿通された挿入部12の先端に設けられる係合部材72と係合して挿入部12をチューブ軸方向に沿って案内する凹部70と、を備えた内視鏡用挿入補助具60を提供する。【選択図】図4
