PROBLEM TO BE SOLVED: To provide a retainer capable of smoothly washing the outer face and inside of a tubular medical device with simple work.SOLUTION: A retainer 1 includes: an insertion port 14 arranged on one end and inserted with a medical device 2 a connector 20 arranged on the other side and connected with a tube 3 supplying washing liquid an introduction path 11 guiding and injecting the washing liquid supplied from the connector 20 to the inside of the retainer 1 a protrusion 12a inclined so as to gradually approach a center axis L of the retainer 1 toward the insertion direction of the medical device 2 and receiving the front end of the medical device 2 inserted from the insertion port 14 a screw 30 pressing the outer side face of the medical device 2 at plural points and engaging the medical device 2 at a position along the center axis L of the retainer 1 and an opening 13 causing the outer side face of the medical device 2 supported by the protrusion 12a and screw 30 to be opened to outside.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】簡易な作業により円滑に、管状の医療器具の外面および管内を洗浄することが可能な保持器を提供する。【解決手段】保持器1は、一端に設けられ医療器具2が挿入される挿入口14と、他端に設けられ洗浄液を供給するチューブ3が接続されるコネクタ20と、コネクタ20から供給された洗浄液を保持器1の内部へと導いて洗浄液を噴射する導入路11と、医療器具2の挿入方向に向かうにつれて次第に保持器1の中心軸Lに近づくように傾斜し、挿入口14から挿入された医療器具2の前端を受ける突条12aと、医療器具2の外側面を複数点で押さえて医療器具2を保持器1の中心軸Lに沿う位置に係止するネジ30と、突条12aとネジ30により支持された医療器具2の外側面を外部に開放する開口13とを備える。【選択図】図2