PROBLEM TO BE SOLVED: To provide an attachment which is easily attachable and detachable and is capable of preventing unintended falling.SOLUTION: The attachment A1 is mounted on an endoscope device 100, holds the state of the endoscope device 100, and includes: a first contact member 13 and a second contact member 13 to be in contact with the outer surface of the endoscope device 100 and a frame 10 (elastic member) for connecting the contact members 13. At least one of the contact members 13 includes: an abutting surface 20 (abutting part) to be abutted to one of a pair of surfaces (surfaces M1 to be brought into contact) turned to the almost opposite sides from each other among the outer surfaces of the endoscope device 100 a projection part 22 extended from the abutting surface 20 in a direction crossing the surface direction of the pair of surfaces and a pressurizing surface 23 (pressurizing part) provided on the projection part 22 and turned to the surface different from the pair of surfaces among the outer surfaces.COPYRIGHT: (C)2013,JPO&INPIT【課題】着脱が容易で且つ意図しない脱落を防止できるアタッチメントを提供すること。【解決手段】内視鏡装置100に装着されて内視鏡装置100の状態を保持するアタッチメントA1であって、内視鏡装置100の外面に接する第一接触部材13及び第二接触部材13と、これら接触部材13とを連結するフレーム10(弾性部材)と、を備え、これら接触部材13との少なくともいずれかは、内視鏡装置100の外面のうち互いに略反対側へ向けられた一対の面(被接触面M1)のいずれか一方に当接する当接面20(当接部)と、前記一対の面の面方向に対して交差する方向へ当接面20から延びる突出部22と、突出部22に設けられ前記外面のうち前記一対の面とは異なる面に向けられた押圧面23(押圧部)と、を有する。【選択図】図6
