| 摘要 |
<p>An implant includes a body having a longitudinal axis, at least one expandable portion configured to move between an unexpanded configuration and an expanded configuration, and at least one linearly and non-rotatably movable expander member configxired to contact the at least one expandable portions such that linear movement of the expander member moves the expandable portion between the unexpanded configuration and the expanded configuration.</p> |
