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Posterior cervical fixation system

  • US 10,368,918 B2
  • Filed: 03/26/2018
  • Issued: 08/06/2019
  • Est. Priority Date: 03/01/2011
  • Status: Active Grant
First Claim
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1. An adjustable angle occipital rod, comprising:

  • a first rod portion having a first end and a second rod portion having a second end, the first end and the second end cooperating to form a hinge, wherein the first end includes a first plate and a second plate separated by a space, the first plate having an interior pocket and the second plate having a threaded aperture extending therethrough, the interior pocket housing a first disc with a first engagement surface facing the second plate, the second end includes a third plate that sits between the first plate and the second plate, the third plate including a second disc with an second engagement surface facing the first engagement surface, the adjustable rod including an unlocked configuration in which the first engagement surface and second engagement surface are separated from one another and the first rod portion and second rod portion rotate relative to each other about the hinge, and a locked configuration in which a set screw advanced through the threaded aperture urges the third plate towards the first plate such that the second engagement surface engages the first engagement surface to inhibit rotation about the hinge.

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