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Polyaryletherketone Artificial Intervertebral Disc

  • US 20090276051A1
  • Filed: 05/05/2009
  • Published: 11/05/2009
  • Est. Priority Date: 05/05/2008
  • Status: Abandoned Application
First Claim
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1. An intervertebral disc comprising:

  • an upper plate having an upper vertebra contacting surface and a lower bearing surface, wherein the upper plate is formed of polyaryletherketone (PAEK) with the upper surface formed at least in part from a metallic insert having a plurality of projections formed thereon for improving bone attachment;

    a lower plate having a lower vertebra contacting surface and an upper bearing surface, wherein the lower plate is formed of PAEK with the lower surface formed at least in part from a metallic insert having a plurality of projections formed thereon for improving bone attachment; and

    a core positioned between the upper and lower plates, the core having upper and lower surfaces configured to mate with the bearing surfaces of the upper and lower plates.

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