Patent ID: 8623090

Claim:
A spinal disc prosthesis comprising: a first end disk having a ring and a plurality of rods, the ring having an upper surface, a lower surface, and an inner surface defining an elliptical opening, the plurality of rods extending between and connecting sides of the inner surface of the ring; a second end disk having a ring and a plurality of rods, the ring having an upper surface, a lower surface, and an inner surface, the plurality of rods extending between and connecting sides of the inner surface of the ring; and a flexible core connected to and extending between the first disk and second end disk, the flexible core formed by a plurality of flexible strands extending between and coupling the ring of the first disk and the ring of the second disk; wherein the plurality of resilient strands exclusively provide the translation, extension, flexion, and axial support for the first end disk and the second end disk.