Anti-backflow retention catheterization device

The utility model discloses an anti-backflow indwelling catheterization device, which belongs to the technical field of medical instruments and comprises a catheter body, one end of the catheter bodyis provided with a catheter inlet, and the other end of the catheter body is connected with a urine collecting bag. Wherein an anti-reflux valve is arranged inside the tube body, a tube body closing control mechanism is further arranged on the tube body, the tube body closing control mechanism comprises a round tube, a closing box and a closing structure, the closing box is sleeved on the tube body, the round tube and the closing structure are arranged on the wall of the closing box, and a heparin cap is arranged on the round tube. Materials are convenient to obtain, and manufacturing is easy.The operation is simple; the working efficiency is improved; urine backflow is prevented, and nursing adverse events are reduced. 本实用新型公开了一种防倒流置留导尿装置，属于医疗器械技术领域，包括管体，所述管体一端设有尿管入口，另一端连接有集尿袋；所述管体内部设有防逆流阀，所述管体上还设有管体闭合控制机构，所述管体闭合