Abstract
BACKGROUND CONTEXT: The concept of nucleus replacement has received renewed interest as a surgical treatment alternative to alleviate discogenic pain. A novel new device, the DASCOR Disc Arthroplasty System, is made from a two-part in situ cured polyurethane. The device is injected under controlled pressure through a delivery catheter while liquid, into an expandable polyurethane balloon, filling the entire disc space. The implantation requires only a 5.5-mm annulotomy and the polymer cures within minutes to a firm but pliable conforming device.
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