Patent ID: 8016836

Claim:
A bone screw driver for inserting a bone screw into a bone region, the bone screw including a screw threaded region and a screw engagement region, the screw engagement region including a screw shaft and an engager ring, the bone screw driver comprising: a driver handle; a driver shaft coupled to the driver handle, the driver shaft including a shaft aperture for receiving at least a portion of the screw shaft, a first resilient member that engages the screw shaft to inhibit movement of the screw shaft, and a first shaft projection that engages the engager ring so that rotation of the driver shaft results in rotation of the bone screw; and a bone screw including a screw threaded region and a screw engagement region, the screw engagement region including a screw shaft and an engager ring; wherein the screw engagement region is in snap-off engagement with the screw threaded region in which the screw engagement region breaks away from the screw threaded region after the screw threaded region has been threaded into bone; wherein the first resilient member cantilevers into the shaft aperture to contact the screw shaft.