Patent ID: 7648520

Claim:
A medical device for supporting a structure comprising: a screw assembly, the screw assembly including a base, an arm, an interconnection means for coupling the base to the arm, the interconnection means including a press-fit cross pin extending from the arm through the base allowing the arm to be positionable in a first position that is parallel to a long axis of the base and positionable in a second position that is perpendicular to the long axis of the base, wherein the interconnection means is comprised of a setscrew, wherein the setscrew maintains the arm and the base together as a single unit; wherein the setscrew can be tightened within the interconnection means to effect locking of the arm in a position that is substantially perpendicular to the long axis of the base, where the base is configured for attachment to a first structure in a patient and the arm is configured for attachment to a support structure; the support structure, comprising: a support element configured to support a second structure in the patient, at least one receiver included in the support element and configured to receive the arm of the screw assembly, and a locking mechanism configured to lock the arm to the support element.