Special-shaped balloon ureter lithotomy device

The utility model relates to a special-shaped balloon ureter lithotomy device which comprises a hollow operation rod. A near end of the operation rod is open, a far end of the operation rod is sealed, the far end section of the operation rod is provided with an embedding groove, an annular balloon is arranged on the embedding groove, a plugging film is arranged on the periphery of the balloon and surrounds the periphery of the balloon by at least one circle, and the inside of the balloon is communicated with a cavity of the operation rod. The ureter lithotomy device is small in size and easily placed into a ureter, stones cannot be pushed to go back to a kidney, ureter walls cannot be damaged, the ureter can be completely plugged, the stones and stone fragments are effectively prevented from being washed into the kidney by perfusion water flow, the stones are not easily incarcerated, the ureter lithotomy device does not easily deform and rub the ureter walls in the stone dragging process, and all the stones can be taken out once and efficiently removed.