| 摘要 |
A new bone anchoring system comprises a bone screw and a mechanical insert received in a central bore of the bone screw. The bone screw defines a self-tapping, self-boring tip for easy bone insertion as well as through-holes or other openings for receipt of new bone growth. The insert can be replaceably mounted in the bone screw, and a variety of different attachment structures can be defined in the proximal end of the insert for securing to suture thread, tissue or other prosthetic device.
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