Patent ID: 9039769
Filing Date: 2015-05-26
Classification: A61F

Abstract:
1. A nucleus pulposus containment shell comprising: a. an outer shell comprised of a biocompatible material defining a central fillable cavity having a central cavity and one or more envelope cavities completely surrounding an outer perimeter of the central cavity; b. an inner surface including a load bearing polymeric or elastomeric material therein, wherein the load bearing material comprises a plurality of beads in a fluid or gel suspension; c. a unidirectional valve to allow filling of the inner surface; and d. a sealing crimp to prevent leakage of the load bearing polymeric or elastomeric material filling the inner surface, wherein the outer shell has an cylindrical-like shape, wherein a top surface and/or a bottom surface of the outer shell are textured to provide anchorage with one or more vertebral endplates.