Importance

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Abstract

Embodiments include a foldable nucleus replacement device comprising a body capable of folding upon itself more than twice at pre-determined folds. Each fold in the device may define an inner surface and an outer surface. The body of the device also may be capable of unfolding to an approximately linear state before implantation, and returning to its folded, non-linear state after implantation. In this way, the foldable nucleus replacement device may be unfolded to its approximately linear state having a smaller cross section for implantation, and then return to its folded, non-linear state to function as a nucleus replacement after implantation. Additionally, embodiments include a method for replacing at least a portion of an intervertebral disc nucleus using foldable nucleus replacement devices such as those disclosed herein.

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First Claim