| 摘要 |
<p>An expandable implant (10) having a helical body (12) and first and second securing pieces (18, 20). Ends of the helical body are connected to the first and second end pieces. The first and second end pieces can be rotated relative to one another to expand the implant from a first dimension to a selected second dimension. The implant further includes a locking arrangement (50) to maintain the implant at the selected second dimension.</p> |
