Patent ID: 8333769

Claim:
An apparatus for introducing a bone portal into a bone of a subject, the apparatus comprising: a handle; a base; a driving member; wherein the driving member is movable between a first position wherein the driving member is retracted behind the base to a second position wherein the driving member projects past the base by operating the handle and the base is detachable from the handle; a guide coupled at a first end to the handle and at a second end to the base wherein the base is detachably coupled to the guide; and a base coupling detachably coupling the base to the guide wherein the base coupling comprises an actuating member movable between a coupled configuration wherein the base is coupled to the guide and an uncoupled configuration wherein the base is released from the guide, and the actuating member is arranged so that motion of the handle toward the base moves the actuating member from the coupled configuration to the uncoupled configuration.