Patent ID: 8114134
Filing Date: 2012-02-14
Classification: A61B

Abstract:
1. A spinal prosthesis adapted to stabilize a first vertebra relative to a second vertebra wherein the prosthesis comprises: a linkage adapted to connect the first vertebra with the second vertebra; the linkage adapted to permit three degrees of freedom of translation of the first vertebra relative to the second vertebra after implantation; the linkage adapted to permit three degrees of freedom of rotation of the first vertebra relative to the second vertebra after implantation; the three degrees of freedom of translation permitting at least 1 mm of lateral translation and 1 mm of elevation of the first vertebra relative to the second vertebra; and the three degrees of freedom of rotation permitting six degrees of axial rotation, six degrees of pitch and 360 degrees of roll of the first vertebra relative to the second vertebra.