PROBLEM TO BE SOLVED: To improve insertion properties of an insertion part with a simple configuration.SOLUTION: An endoscope 1 includes: a closely wound first coil member 232 a closely would second coil member 233 connected to the tip side of the first coil member 232 a first wire member 234 arranged along the longitudinal direction of the first and second coil members 232 and 233, one end of which is connected to the tip side of the second coil member 233, and the other end of which extends to the rear end side of the first coil member 232 a second wire member 235, one end of which is connected to the tip side of the second coil member 235, and the other end of which is connected to the rear end side of the second coil member 233 and a third wire member 236 arranged along the longitudinal direction of the first coil member 232, one end of which is connected to the tip side of the first coil member 232, and the other end of which extends to the rear end side of the first coil member 232.COPYRIGHT: (C)2015,JPO&INPIT【課題】簡易な構成で挿入部の挿入性を向上させること。【解決手段】内視鏡1は、密巻き状の第1コイル部材232と、第1コイル部材232の先端側に接続された密巻き状の第2コイル部材233と、第2コイル部材233の先端側に一端が接続され、第1及び第2コイル部材232、233の長手方向に沿って配設され、他端が第1コイル部材232の後端側へ延びる第1ワイヤ部材234と、一端が第2コイル部材235の先端側に接続され、他端が第2コイル部材233の後端側に接続された第2ワイヤ部材235と、一端が第1コイル部材232の先端側に接続され、第1コイル部材232の長手方向に沿って配設され、他端が第1コイル部材232の後端側へ延びる第3ワイヤ部材236と、を備えている。【選択図】図2
