Box type tibial plateau fenestration osteotome

The utility model discloses a box type tibial plateau fenestration osteotome which is used for solving the technical problems that in the prior art, due to the fact that a flat-blade osteotome is usedfor tibial plateau fracture surgery, the surgery difficulty is large, time is long, and the integrity of an osteotomy block is low. The tool comprises a handle, a connecting rod and a box-type tool bit which are fixedly connected in sequence from bottom to top, the section diameter of the connecting rod is smaller than that of the box-type tool bit and the handle; the cross section of the box-type tool bit is square, the top of the box-type tool bit is open, the same blade parts are arranged on the four inner side faces of the upper portion, and taking-out windows are symmetrically formed inany two opposite side faces of the lower portion; the blade part comprises a blade point coinciding with the edge of the top of the box-type cutter head; a beveled edge and a straight edge; the top end of the bevel edge is con