This creation relates to an indwelling urinary catheter, which includes a catheter body including a first end and a second end, the first end is for insertion into a human bladder, and the second end includes a water injection port； a syringe, which is connected with the injection The nozzles are connected and the interior is filled with distilled water； and the outer film covers the syringe from the outside.本創作關於一種留置型導尿管，其包含導管本體，其包含第一端與第二端，該第一端供置入人體膀胱，該第二端包含注水口；注射器，其係與該注水口相連接，且內部填充蒸餾水；以及外包膜，其從外部包覆該注射器。
