| 摘要 |
The present application is directed to devices and methods to shape an intervertebral space between vertebral members. In one embodiment, the device includes a guide with an elongated shaft and an enlarged distal section. An outer member may include first and second arms that are spaced a distance apart. Teeth may be positioned on outer surfaces of one or both of the first and second arms. The outer member may be movably positioned along the guide between first and second positions. The first position may include the teeth positioned over the shaft with the first and second arms being positioned a first distance apart. The second position may include the teeth positioned over the distal section with the first and second arms being positioned an expanded second distance apart.
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