| 摘要 |
A surgical apparatus for use in connection with spinal surgery. The apparatus has a first portion having a tip for first following along an insertion axis, for entering into a spinal disc, and for penetrating an endplate of a vertebra adjacent the spinal disc. The apparatus also has a second portion, adjacent the first portion, for remaining along the insertion axis as the tip of the first portion extends to penetrate the endplate of the vertebra adjacent the disc. |
