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FACET INTERFERENCE SCREW

  • US 20110004247A1
  • Filed: 03/05/2009
  • Published: 01/06/2011
  • Est. Priority Date: 03/06/2008
  • Status: Active Grant
First Claim
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1. A facet interference screw for insertion into a facet joint between an inferior facet of a superior vertebra and a superior facet of an inferior vertebra, the facet interference screw comprising:

  • a first component including a first outer semicircular, threaded surface and a first inner surface; and

    a second component including a second outer semicircular, threaded surface and a second inner surface, the first and second components defining a head portion, a tip, a longitudinal axis extending between the head and the tip and an externally threaded shaft portion in an assembled configuration, the first and second inner surfaces extending from the head portion to the tip in the assembled configuration, the first and second surfaces being substantially in contact in the assembled configuration.

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