Dicyclo formula pivot awl cdontoid process sight

The utility model relates to the field of medical equipment, specific saying so one kind is arranged in the dicyclo formula pivot awl cdontoid process sight of dentata cdontoid process fracture treatment guide hollow screw location. Including hollow stand pipe and the sighting device of connection on hollow stand pipe, sighting device is including the outer lantern ring of the concentric endotheca ring sum that sets up, connect through the pivot of cross between the outer lantern ring of endotheca ring sum and the hollow stand pipe, but the pivot forms by the interior sleeve pipe and the outer tube suit of relative rotation and coaxial setting. This sight simple structure, convenient to use, location accuracy can be arranged in the accurate positioning of dentata cdontoid process fracture treatment guide ke shi needle fast to improve the operation quality, reduce the operation error, reduce patient's misery.