Natural orifice foreign matter spiral blocking device

The utility model discloses a natural orifice foreign matter spiral blocking device, which comprises a guide wire, a catheter and a blocking object, wherein one end of the guide wire passes through cavities of the catheter and the blocking object, the remote end of the blocking object is fixed with the guide wire, the edge of the blocking object is provided with a high-hardness reinforcing edge formed into a whole with the blocking object, and a spiral curling folding mode is formed after the blocking object is stretched in the axial direction. The natural orifice foreign matter spiral blocking device has the advantages that the reinforcing edge is arranged on the blocking object, and after the axial stretching, the spiral curling folding mode can be formed, so a better blocking effect can be formed, a foreign matter (such as ureteral calculus) passing in the operation process is prevented, and the operation risk is further reduced.