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Spinal fixation plates

  • US 9,320,549 B2
  • Filed: 04/30/2015
  • Issued: 04/26/2016
  • Est. Priority Date: 03/31/2003
  • Status: Active Grant
First Claim
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1. A spinal fixation assembly, comprising:

  • a fusion cage having an anterior face and a posterior face, and a superior face and an inferior face, the fusion cage being configured to be positioned between adjacent vertebrae such that at least a portion of the superior face contacts an endplate of a superior vertebra and at least a portion of the inferior face contacts an endplate of an inferior vertebra, the fusion cage having a first recess disposed in the superior face and a second recess disposed in the inferior face; and

    a spinal fixation plate havingan anterior face and a posterior face,at least one bone screw aperture extending through the anterior and posterior faces for receiving a bone screw configured to mate the spinal fixation plate to bone, the at least one bone screw aperture being obliquely angled relative to the posterior and anterior faces of the spinal fixation plate,a central opening being disposed substantially at a center of the spinal fixation plate, andfirst and second arms extending outward from the posterior face of the plate, the first and second arms being configured to slidably contact the fusion cage such that the first arm extends across and contacts the first recess of the fusion cage and the second arm extends across and contacts the second recess of the fusion cage.

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