PROBLEM TO BE SOLVED: To smoothly insert an insertion part into a deep part by safely and sufficiently securing hooking force to an intestinal tract by a tip part when needing hooking.SOLUTION: A tip cap 3 for an endoscope has: a cap body 3A a fixing part 4 fixing the cap body 3A to a tip part 8 of an insertion part 6 a linear member connection part 3D provided on the tip side of the cap body 3A, extending forward along the long direction of the insertion part 6 to project from the tip side of the insertion part 6, and connected with a linear member 5 movable forward or rearward along the long direction and a deformation part 3B provided along the circumferential direction of the cap body 3A, connected with the linear member connection part 3D, and deformed so as to come into a state that frictional force between the outer circumferential face of the cap body 3A and the inner wall of a lumen becomes large according to movement in which the linear member 5 moves along the long direction of the insertion part 6.COPYRIGHT: (C)2014,JPO&INPIT【課題】フッキングを必要とするときに、先端部による腸管のフッキング力を安全にかつ十分に確保することができ、挿入部を深部に円滑に挿入する。【解決手段】本発明の内視鏡用先端キャップ3は、キャップ本体3Aと、キャップ本体3Aを挿入部6の先端部8に固定する固定部4と、キャップ本体3Aの先端側に設けられ、挿入部6の長手方向に沿って前方へ延出して挿入部6の先端側から突出するとともに長手方向に沿って前方あるいは後方への移動可能な線状部材5と連結する線状部材連結部3Dと、キャップ本体3Aの周方向に沿って設けられ、線状部材連結部3Dと接続し、線状部材5が挿入部6の長手方向に沿って移動する動作に伴って、キャップ本体3Aの外周面と管腔の内壁との摩擦力が大きくなる状態になるように変形する変形部3Bと、を有する。【選択図】図3
