Patent ID: 7955337

Claim:
A facial bone contouring device, comprising: a rasp including a rod, and a cutter, a saline solution feeding passage and a bone fragment exhausting passage formed in the cutter; a powered surgical handpiece connected to the rasp for providing linear reciprocating motion to the rasp; a saline solution feeding unit for feeding saline solution to the saline solution feeding passage of the rasp; a suction unit for sucking the cut bone fragments from the rasp via the bone fragment exhausting passage and then exhausting the cut bone fragments to the outside; and a protector, formed to have a cylindrical shape, configured to accept and surround the entire surface of the rod and a part of the cutter of the rasp, wherein the protector is configured to be inserted with a trocar, wherein bone cutting is performed under the condition that the saline solution is fed into the rasp, and cut bone fragments are exhausted to the outside together with the saline solution, so that the bone cutting is continuously performed, wherein the protector is configured to be separated from the rasp, to accept the trocar, to be delivered to a bone cutting site, to release the trocar, and to accept the rasp in the original place such that the rasp is disposed at the bone cutting site via a minimum incision, wherein a plurality of non-plugging holes are formed through a cutting plane and between cutting blades formed at a lower portion of the cutter so as to exhaust cut bone fragments, wherein a cavity is formed in the cutter connected to the plurality of non-plugging holes, and wherein the cavity is connected to the bone fragment exhausting passage of the rasp.