Patent ID: 7011685
Filing Date: 2006-03-14
Classification: A61B,A61F,Y10S

Abstract:
1. An article comprising: a spinal prosthesis comprising a unitary body with at least three attachment points attachable to a spinal structure, said unitary body comprising a flexure assembly positioned between first and second attachment members, wherein flexure of said flexure assembly permits movement of the first attachment member relative to the second attachment member, wherein said flexure assembly comprises a multi-part articulating assembly, including a first joint member that has a convex contour that articulates with a second joint member that has a concave contour that corresponds to and glides over the convex contour of the first joint member, said first and second joint members being attached to or integrally part of said attachment members; and wherein pedicle screw mounting members extend non-perpendicularly outwards from said first and second attachment members, and wherein pedicle screws, each having a threaded shank and a swivel head, are attached to said pedicle screw mounting members, wherein said pedicle screw mounting members comprise rounded prongs.