| 摘要 |
<p>The implant for the operative correction of spinal deformity, in particular scoliosis, kyphosis, and lordosis, comprises a distraction and compression rod (1), said rod having at one of its end a ratched part (2) formed by circumferential saw notches (7) conically broadening toward the top and ending in a flat surface (8) for receiving spinal hooks (6), a cylindrical part (3) followed by a threaded part (4), said threaded part being build for receiving the heads of bone screws (11) fixed by nuts (12), wherein said ratched part of the rod is used for distraction and said threaded part of the rod is used for compression as well as distraction of the deformed spine. It is thus possible to distract and compress the spine with a single rod, whereas hitherto at least two rods have been necessary.</p> |
