Universal negative pressure type nursing leakage-proof urinary catheterization device

The invention discloses a universal negative pressure type nursing leakage-proof urethral catheterization device, and relates to the technical field of urethral catheterization devices, the universal negative pressure type nursing leakage-proof urethral catheterization device comprises a leakage-proof urine receiving pipe and a urethral catheter, one end of the urethral catheter is fixedly connected with the lower end face of the urine receiving pipe in an inserted mode, and a sealing assembly used for improving the sealing performance of the urine receiving pipe is arranged outside the urethral catheter. The sealing assembly comprises a sealing air bag and a hose, the side wall of the sealing air bag is fixedly connected with the upper end face of the urine receiving pipe, one end of the hose is fixedly connected with the side wall of the catheter in an inserted mode, the other end of the hose is fixedly connected with the side wall of the sealing air bag in an inserted mode, and a transmission assembly used