Reliable fast switching imbedding device

The utility model discloses a reliable fast switching imbedding device which comprises an outer tube. A shape tube is disposed at one end of the outer tube. The outer tube sleeves an inner tube. A guide groove is formed in corresponding parts of the outer tube and the inner tube. A passage allowing a zebra guide wire to penetrate is formed from the guide groove to the center of the sharp tube. A guide tube is arranged in the passage. The diameter of the guide tube is larger than that of the zebra guide wire. One end of the guide tube extends out of the guide groove. The reliable fast switching imbedding device has the advantages that the device is guided by a special catheter, the zebra guide wire can smoothly penetrate the inner tube and the outer tube at a 100% success rate, and fast switching is achieved.