Patent ID: 7713289

Claim:
A three piece device consisting of: a longitudinal carrier; a body including a channel having a longitudinal axis and an opening along the longitudinal axis for receiving the longitudinal carrier, the body having a bore extending completely there through, the channel and the bore partially intersecting each other, the bore constructed conically and having a first opening on one side of the body and a second opening on another side of the body, the first opening larger than the second opening, and the bore having an internal thread; and a bone screw including a tip, a threaded shaft for threadably engaging bone, and an externally threaded conical head portion for engaging the internally threaded conical bore such that rotation of the bone screw causes the threaded shaft to engage the bone, the externally threaded head portion to engage the internally threaded bore and the externally threaded head portion to contact the longitudinal carrier positioned with the channel so that the longitudinal carrier is fixed between an inner surface of the channel and the head portion of the bone screw.