Special osteotome for accurate disengagement of wing maxillary connection in orthognathic operation and use method of osteotome

The invention discloses a special osteotome for precise separation of wing maxillary connection in orthognathic surgery and a use method, and belongs to the technical field of clinical medices.The special osteotome comprises a bent-blade osteotome, an angle adjusting rod and a personalized plate; the bent-blade osteotome is composed of a chisel handle and a bent chisel blade located at the tip end of the chisel handle, and an osteotome sliding rail is arranged in the middle of the chisel handle. The angle adjusting rod is formed by fixedly connecting a U-shaped plate fixing clamp and an angle indicating plate, and an angle adjusting hole is formed in the angle indicating plate; the osteotome sliding rail and the angle adjusting hole are arranged in a crossed mode and slidably connected through a sliding assembly. Personalized plates are fixed to the two ends of the inner side of the U-shaped plate fixing clamp and used for being fixed to the maxillary dentition, it is guaranteed that the relative position of