PROBLEM TO BE SOLVED: To provide an endoscope system in which a flexible insertion part of a ureteroscope can be inserted in a urinary tract easily and quickly with less equipment, a burden to a patient is reduced and it contributes to a spread of an inspection and treatment of the urinary tract.SOLUTION: An endoscope system 100 comprises: a long insertion part 2 having a curved part 7 a flexible sheath 40 having a tip opening and having a tube-like insertion part 2 capable of being freely inserted and extracted and a support 51 being removably inserted to the flexible sheath 40, having a surface coming in contact with an outer circumferential part of the insertion part 2 extending from the tip opening, and provided with a rigid portion for supporting to regulate a curve in a direction opposite to a curvature direction at least at a tip portion.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】少ない器具で尿管鏡の軟性挿入部を簡便に短時間で尿管内に挿入でき、患者への負担を軽減すると共に尿管の検査および治療の普及に寄与する内視鏡システムの提供。【解決手段】内視鏡システム100は、湾曲部7を有する長尺な挿入部2と、先端開口を有し、挿入部2が挿抜自在なチューブ状の軟性シース40と、軟性シース40に挿抜自在に挿通され、先端開口から延出する挿入部2の外周部に接触する面を有して湾曲方向に対する反対方向の曲がりを規制するように支持する硬性部分が少なくとも先端部分に設けられた支持体51と、を具備する。【選択図】図1
