Arc-shaped retractor for maxillofacial bone defect repair

The invention belongs to the technical field of maxillofacial bone repair, particularly relates to an arc-shaped retractor for maxillofacial bone defect repair, and aims to solve the problem that in the prior art, only a hard alloy sheet is fixed in maxillofacial bone repair, and traction cannot be generated on a bone, the following scheme is provided: the arc-shaped retractor comprises a main body rod similar to the bending shape of a maxillofacial bone body, the whole main body rod is of a Y-shaped structure, the main body rod comprises a main pull rod and two branch rods, a sliding insertion hole is formed in the end of the main pull rod of the main body rod, a convex rod is inserted into the sliding insertion hole in a sliding mode, and a fixed bent rod is reserved at the end, away from the main body rod, of the convex rod; a first protruding rod and a second protruding rod which are smaller than the branch supporting rods in diameter are reserved at the ends of the two branch supporting rods respectively