| 摘要 |
<p>A bone screw is provided which includes a tubular body (1) with a bone thread (5) in at least a portion of its outer wall, the tubular body (1) having an open first end (2) and a second end (3); a plurality of cutting teeth (4) is provided at the open first end (2); and a head (7) provided at the second end.</p> |
