Patent ID: 8092532
Filing Date: 2012-01-10
Classification: A61B,A61F,Y10S

Abstract:
1. A spinal prosthesis assembly comprising: a left prosthesis body; a left pedicle anchor coupled to the left prosthesis body; an artificial left facet joint structure carried by the left prosthesis body; a right prosthesis body; a right pedicle anchor coupled to the right prosthesis body; and an artificial right facet joint structure carried by the right prosthesis body, the artificial left and right facet joint structures each being configured to articulate with another spinal prosthesis assembly or with a natural articular process of an adjoining pedicle, wherein the artificial left and right facet joint structures comprise a cup portion that is configured to articulate with another spinal prosthesis assembly or with portion of the natural arituclar process of an adjoining pedicle in a plurality of orientations.