| 摘要 |
<p>The prosthesis has a bridging part (7) connecting upper and lower contact plates, and bridging an intermediate vertebral body located between upper and lower vertebral bodies. The part is secured in a bone cavity of the body. The part has laterally protruding anchoring projections moving between a retracted implantation position and a protruding anchoring position for securing the part in the cavity of the body.</p> |
