Patent ID: 6960232

Claim:
An artificial intervertebral disc for implantation in a spine between a first vertebral body and a second vertebral body, wherein the first vertebral body has a first vertebral body endplate, the second vertebral body has a second vertebral body endplate and the first vertebral body endplate and the second vertebral body endplate oppose one another, comprising: a composite structure, which composite structure includes a column comprising ePTFE and a column filler comprising an elastomer; a first anchor member having an outer surface configured for placement against the first vertebral body endplate and an inner surface having a recess for receiving the composite structure, including both the ePTFE column and the elastomer column filler; a second anchor member having an outer surface configured for placement against the second vertebral body endplate and an inner surface having a recess for receiving the composite structure, including both the ePTFE column and the elastomer column filler; wherein the composite structure is attached to the first anchor member in the recess in the inner surface of the first anchor member; and wherein the composite structure is attached to the second anchor member in the recess in the inner surface of the second anchor member.