Patent ID: 7850716
Filing Date: 2010-12-14
Classification: A61B

Abstract:
1. An apparatus comprising: a receiver member extending along a vertical axis and having two branches each having a length extending along said vertical axis, a base portion, a first channel substantially between said branches and including an arcuate bottom surface for receiving an elongated member, a second channel for receiving a bone-engaging member and extending along said vertical axis and through one of said branches along said length from a top surface of said one of said branches to an opposite bottom surface of said base portion, said second channel being non-collinear with said first channel and having a longitudinal axis, and an opening extending transversely to said vertical axis through a portion of said arcuate bottom surface and between said first channel and said second channel; a bone-engaging member having an engaging portion and a shaft portion that are substantially collinear, said shaft portion being at least partially within said second channel; and a lock member connected to said receiver member, wherein said apparatus has a locked condition in which said receiver member and said bone-engaging member are substantially immobile with respect to each other, and an unlocked condition in which said bone-engaging member and said receiver member are movable with respect to each other around and along said second channel to an infinite number of relative positions.