| 摘要 |
<p>An instrumentation system for use in spine surgery includes a distractor configured to be inserted in a disc space and to rotate therein to gradually distract the disc space, and a retractor detachably coupled to distractor to provide a support surface for a retracted blood vessel, or other such internal structure, and formed with a guide channel for directing surgical instruments and an implant into the distracted and prepared disc space.</p> |
