The endoscope 1 includes a distal end cover 25 provided at the distal end of the insertion portion 2, a holding member 26 to which the distal end cover is attached and holding a built-in object, and a cylindrical member 23 inserted into the distal end cover 25 and the holding member 26. And an elastic member 41 that contacts the outer peripheral portion of the cylindrical member 23 and fixes the cylindrical member 23 to the tip cover 25 and the holding member 26, and is formed at least on the surface of the holding member 26 and accommodates the elastic member 41. The first housing portions 42 and 44 communicate with the first housing portions 42 and 44, and are detached from the groove portion 55 of the tubular member 23 when the tubular member 23 is inserted / removed. And second accommodating portions 43 and 45 that accommodate the 41 elastic member that is bent by contact and elastic deformation. 内視鏡１は、挿入部２の先端に設けられる先端カバー２５と、先端カバーが装着され、内蔵物を保持する保持部材２６と、先端カバー２５および保持部材２６に挿入される筒状部材２３と、筒状部材２３の外周部に接触して、筒状部材２３を先端カバー２５および保持部材２６に固定する弾性部材４１と、保持部材２６の表面に少なくとも形成され、弾性部材４１を収容する第１の収容部４２，４４と、第１の収容部４２，４４に連通し、筒状部材２３の挿脱時に、筒状部材２３の溝部５５から外れて、筒状部材２３の外周部に接触して弾性変形により撓んだ４１弾性部材を収容する第２の収容部４３，４５と、を具備する。
