Disposable balloon expansion pressure pump for cardiovascular interventional operation

The utility model discloses a disposable balloon expansion pressure pump for a cardiovascular interventional operation, which belongs to the technical field of medical instruments and comprises a pressure pump main body, a butt joint pipe is fixed at the output end of the pressure pump main body, a hose is sleeved at the end part of the butt joint pipe, and a balloon is arranged in the hose. An inner pipe extending into the butt joint pipe is arranged at the end, close to the pressure pump body, of the hose, a pair of blind holes are formed in the outer wall of the inner pipe in a stacked mode, the outer wall of the butt joint pipe is rotationally sleeved with a driving ring, and two sets of ball head rods extending into the blind holes are arranged in the butt joint pipe in a sliding mode. According to the utility model, the inner pipe and the butt joint pipe are matched with each other, and rotating external force is applied to the driving ring, so that the aim of locking between the inner pipe and the butt