Intervertebral prosthesis
AssigneeLink Spine Group, Inc.
InventorArnold Keller
Life of this patent
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Abstract
Intervertebral prosthesis (10) with at least one cover plate (11) which bears on a vertebral body (1) and is to be firmly connected thereto. In order to ensure that the prosthesis (10), during its insertion or during its lifetime, does not contribute to a protruding bone margin (5) breaking off, the cover plate (11) is provided with a bulge (12) corresponding to the depression (4) and/or with a bevel, a shortened end or rounded end (13).
Claims15
Intervertebral prosthesis with at least one cover plate (11, 19) which bears on a vertebral body (1, 2) and is to be connected thereto, characterized in that the cover plate surface directed toward the vertebral body (1) has a bulge (12) protruding beyond the level of adaptation to the normal shape of the vertebral body.
Set of intervertebral prostheses which comprise at least one cover plate (11, 19), with a substantially flat cover plate surface, which bears on a vertebral body (1) and is to be connected thereto, characterized in that it comprises at least one intervertebral prosthesis whose cover plate surface has a bulge (20).
Set of intervertebral prostheses which comprise at least one cover plate (11, 19) which has a dorsal margin and which bears on a vertebral body (1) and is to be connected thereto, characterized in that it comprises at least one intervertebral prosthesis on whose cover plate the dorsal margin is shortened.
Dependencies are inferred from the claim text.