Urethral catheter capable of preventing urine leakage for old people

The invention relates to the field of medical instruments, in particular to a urine leakage prevention catheter for old people, which comprises a catheter body, a catheterization end fixed at one end of the catheter body, an air bag fixed on the surface of the front section of the catheter body, and a catheter joint fixed at the other end of the catheter, the air bag is composed of a hemisphere bag at the front end and a conical bag at the rear end, a layer of sterilization film is attached to the surface of the catheterization end and the surface of the air bag, and trichloro hydroxydiphenyl ether, rutin and aloperine are loaded in the sterilization film. According to the urethral catheter, by arranging the conical air bag, the urethral orifice part can be blocked, so that urine leakage of old people caused by urethral relaxation can be well avoided, and meanwhile, due to the design of the antibacterial coating, urinary tract infection can be well reduced or even avoided. 本发明涉及医疗器械领域，具体涉及一种防止漏尿的老年人导尿管，包括导尿管本