Urinary catheter dredger for bladder irrigation

The utility model discloses a urinary catheter dredger for bladder irrigation, relates to the field of nursing materials, and provides a urinary catheter dredger for bladder irrigation, which is convenient to dredge a urinary catheter for multiple times. The urinary catheter dredger comprises a dredger top plate, an output cylinder, a suction cylinder, an exhaust cylinder, an extension tube, a urinary catheter connecting tube, a piston, a piston rod, a knob and a control structure, the piston rod is in threaded connection with the dredger top plate, the piston rod is connected with the piston, the knob is connected with the piston rod, the extension pipe is connected with the dredger top plate and extends to the bottom of the output cylinder, and the urinary catheter connecting pipe is connected with the dredger top plate. The control structure can control the communication relation of the output barrel, the suction barrel, the air suction and exhaust barrel, the extension pipe and the catheter connecting pip