Patent ID: 8409285

Claim:
A prosthesis for partial corpectomy of a vertebral body comprising: a first contact plate to be positioned within a first disc space for connection to a first vertebral body; a second contact plate to be positioned within a second disc space for connection to a second vertebral body; a bridging part connecting the first contact plate and second contact plate and configured to be positioned within a bone cavity of the partial corpectomy extending between the first disc space and second disc space, the bridging part including a first hinge formed between a bottom of the first contact plate and a top of the bridging part and a second hinge formed between a top of the second contact plate and a bottom of the bridging part, the first hinge and second hinge permitting movement of at least one of the first contact plate and the second contact plate relative to the bridging part after implantation of the prosthesis; an actuating device located on an anterior face of the bridging part; and deployable anchoring projections disposed within the bridging part and moveable outward in opposite lateral directions to penetrate into bone areas of the partial corpectomy.