Patent ID: 8753400

Claim:
A prosthesis of an anterior spinal column comprising: a hollow perforated sleeve body having a wall formed about a longitudinal axis thereof and opposing end faces, wherein the body ( 1 ) is provided with overgrowth holes formed through the wall thereof and at least one anchoring element and teeth on each end face of the body ( 1 ), wherein the body ( 1 ) has in its wall at least one elongated manipulative hole ( 6 ) formed therethrough and at least one positioning hole ( 7 ), whose longitudinal axis is parallel relative to a longitudinal axis of the manipulative hole ( 6 ); and a positioner ( 2 ) situated within the body ( 1 ) having a wall with overgrowth holes ( 13 ) formed therein, at least one situating element ( 8 ) cooperating with the body's ( 1 ) positioning hole ( 7 ), and at least one hole ( 12 ) formed through the wall of the positioner ( 2 ), wherein the positioner ( 2 ) is slidable longitudinally along the longitudinal axis of the body ( 1 ), wherein the hole ( 12 ) is situated radially inward relative to the manipulative hole ( 6 ), wherein a portion of the positioner ( 2 ) is configured to engage with a portion of the body ( 1 ) in a manner to prevent the positioner ( 2 ) from extending outward past the end faces of the body and a total length of the prosthesis remains constant while the positioner ( 2 ) slides longitudinally within the body ( 1 ).