| 摘要 |
Existing bone dowels are improved through the use of rigid, preferably metallic end plates (306, 320). The plates are positioned relative to the anterior and posterior end surfaces of the bone dowel. The completed structure may be inserted, removed, and positioned into the vertebrae. The use of the rigid endplates (306, 320) facilitates load sharing which helps to prevent graft fracture. In the preferred embodiment, the end plates (306, 320) are positioned against the end surfaces of the bone section (400) through the use of a link member (308), which passes through the interior of the bone section (400) and connects the end plates (306, 320). One of the end plates (320) may include a threaded bore, and one end of the link member may be threaded to receive the threaded bore of that end plate to hold it in place.
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