Abduction angle guider for thoracolumbar pedicle screw

The utility model belongs to the field of medical instruments of osteological surgery of clinical medicine and particularly relates to an abduction angle guider for a thoracolumbar pedicle screw. The abduction angle guider is characterized by consisting of a positioning device and an angle reference plate, wherein the positioning device consists of a main connecting shaft, a bolt, a transverse screw shaft, a positioning arm and a processus transversus upper edge positioning hook; an angle index indicating line and an angle reference plate edge line are arranged on the angle reference plate; a connecting casing pipe is arranged at the lower end of the angle reference plate and is of a tubular structure; the connecting casing pipe is accurately matched with the transverse screw shaft of the positioning device and can laterally slide on the transverse screw shaft. The abduction angle guider disclosed by the utility model is convenient for use and easy for combination; after the positioning arm clamps the process