Patent ID: 7787934

Claim:
A kit comprising: an anchoring base, sized and shaped to be implanted within a patient's skull such that a top surface of a top portion of the base is flush to or recessed from an outer surface of the patient's skull, the base including: an externally threaded outer portion; a distal tip; a tool engaging portion including the top surface of the base, the tool engaging portion having a rotatably engagable peripheral surface extending from the top surface of the base toward the distal tip; an engagable mounting receptacle in the top portion of the base; a plug sized and shaped to be received in the mounting receptacle and a plug removal tool, wherein the plug is formed of a compliant material to allow the plug to be press-fit into the mounting receptacle and be pierced by the removal tool to be removed with the plug removal tool; and an anchoring base insertion tool having an engaging portion to engage the tool engaging portion and the engageable mounting receptacle and a shaft coupled to and extending from the engaging portion; wherein the engaging portion of the anchoring base insertion tool has a deformable distal portion sized and shaped to fit in the engagable mounting receptacle and to be deformed by engagement with the engagable mounting receptacle so that the deformable portion snugly fits within the engagable mounting receptacle and operable to hold the anchoring base insertion tool to the anchoring base when the deformable distal portion is fitted against the engagable mounting receptacle; wherein engaging portion of the anchoring base insertion tool further has a drive portion operable to engage the tool engaging portion while the deformable distal portion is snugly retained in the engagable mounting receptacle of the anchoring base; wherein the tool engaging portion includes a proximal head, the head including the top portion of the base, the head presenting at least one rotatably engageable internal or external peripheral surface capable of being engaged to implant the base in a patient's skull.