Novel anesthesia pilot pin

The utility model relates to a novel anesthesia pilot pin, being equipped with the link on one side of the cylinder, having installed the nook closing member on the link, installed the needle handle in the cylinder, the needle handle front end is equipped with the piston head, still includes locating bearing, and locating bearing includes the support column, the cylinder fixed block, and nook closing member positioning mechanism, the bottom surface of support column is equipped with inserts the chamber, inserts the intracavity and has installed the supporting disk, and the top surface of support column is equipped with supporting cavity, be equipped with a cavity internal thread hole post that runs through its width on the cylinder fixed block, its bottom is equipped with the pillar that inserts supporting cavity, and the top surface of cylinder fixed block is equipped with cavity internal thread post, and cavity internal thread post spiro union is on the cylinder bracing piece, the utility model discloses be