US Patent 9757175 Universal bone screw screwdriver

The instant invention is directed to a universal bone screw screwdriver and in particular to a universal screwdriver that permits the removal of screws from bone plates that are manufactured by different manufacturers having distinct characteristics. The universal bone screw screwdriver comprises a handle that is adapted to removeably receive an elongated tool bit having a hollow center. The elongated tool bits correspond to the screw heads of different manufacturers. The universal bone screwdriver further comprises a torque limiting and locking spring to secure the elongated tool bit to the handle and inhibit over-tightening of the bone screw into the bone or bone plate as the case may be.