Patent ID: 8403987
Filing Date: 2013-03-26
Classification: A61F

Abstract:
1. A prosthetic intervertebral disc comprising: i.) a top end and a bottom end plates separated by a compressible element, wherein the top end plate is metallic and comprises a top outer plate and a top inner plate and the bottom end plate is metallic and comprises a bottom outer plate and a bottom inner plate and where the top outer plate is welded to the top inner plate and the bottom outer plate is welded to the bottom inner plate, ii.) the compressible element separating the top and bottom end plates comprising at least one polymeric material and bounded between the end plates by at least one fiber-containing membrane having a polymeric covering or coating, the membrane being fixedly attached to the top end plate and the bottom end plate, and iii.) said at least one fiber-containing membrane having a polymeric covering or coating, the membrane being fixedly attached to the top end plate and the bottom end plate.