Patent ID: 8052723
Filing Date: 2011-11-08
Classification: A61B,A61F

Abstract:
1. A posterior stabilization device for a human spine, comprising: a first bone fastener configured to be coupled to a first vertebra; a second bone fastener configured to be coupled to a second vertebra; an elongated member configured to couple to the first bone fastener and the second bone fastener when the first bone fastener is coupled to the first vertebra and the second bone fastener is coupled to the second vertebra such that longitudinal movement of the elongated member relative to the first bone fastener is inhibited and longitudinal movement of the elongated member relative to the second bone fastener is allowed, and wherein at least a portion of the elongated member is configured to pivotably couple to a collar of the first bone fastener such that at least a portion of the elongated member is configured to angulate relative to the first bone fastener; and at least a portion of a ball configured to be coupled to the elongated member.