Patent ID: 6786907
Filing Date: 2004-09-07
Classification: A61B

Abstract:
An instrumentation for stabilizing certain vertebrae of the spine with respect to one another in a portion of the spine to be treated, the instrumentation comprising:a spinal stabilizing longitudinal element that is adapted to be placed in a generally parallel relationship with the portion of the spine to be treated; a bone-anchoring element; a connector having an opening therethrough, said opening having dimensions greater than a cross-section dimension of a machine thread section of said bone-anchoring element; a mechanism adapted to affix said bone-anchoring element in said opening; said mechanism comprising a pressure element received by said bone-anchoring element; wherein said connector has a hook portion adapted to cooperate with a support of the bone-anchoring element for clamping the longitudinal element; said hook portion having at a bottom side thereof a recess for receiving the longitudinal element; wherein said hook portion is provided with snap-on means when the longitudinal element is moved into the recess; wherein when said longitudinal element is clamped against an upper surface of said support said upper surface is perpendicular to an axis of the bone-anchoring element and a force of the support and the connector on the longitudinal element is approximately parallel to the axis of the bone-anchoring element.