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Multiple facet joint replacement

  • US 7,618,455 B2
  • Filed: 07/10/2006
  • Issued: 11/17/2009
  • Est. Priority Date: 12/13/2000
  • Status: Expired due to Fees
First Claim
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1. An implant for replacing at least a left inferior facet and a right inferior facet of a first vertebra comprising a natural lamina, a natural left inferior facet, and a natural right inferior facet, the implant comprising:

  • a left inferior articular surface shaped to replace the natural left inferior facet;

    a right inferior articular surface shaped to replace the natural right inferior facet; and

    a bridge extending along a substantially straight path between the left and right articular surfaces to couple the left and right inferior articular surfaces together;

    wherein the bridge comprises a cross sectional shape perpendicular to the path that remains uniform over at least a portion of a length of the path.

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