| 摘要 |
Disclosed is a nucleus pulposus implant comprising an elongated, physiologically fully hydrated, solid, hydrogel body, the body being sized and configured for insertion in-between adjacent local tissue, the fully hydrated solid hydrogel body being substantially isotonic or iso-osmotic with the surrounding local tissue, the hydrogel body being substantially isotonic or iso-osmotic prior to insertion, the fully hydrated solid hydrogel body having a ratio of length to principal transverse dimension not less than about 5:1.
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