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Expandable fixation assemblies

  • US 9,750,552 B2
  • Filed: 02/06/2015
  • Issued: 09/05/2017
  • Est. Priority Date: 07/06/2009
  • Status: Active Grant
First Claim
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1. An expandable intervertebral implant assembly configured to be implanted into an intervertebral space between first and second vertebrae that are spaced from one another along a first direction, the assembly comprising:

  • an intervertebral implant comprising an implant body having upper and lower surfaces configured to face the first and second vertebrae, respectively, the upper and lower surfaces spaced from one another along the first direction such that at least a portion of the implant body is solid from the upper surface to the lower surface, the implant body further having first and second ends that are spaced from one another along a second direction, perpendicular to the first direction, the implant body defining at least a first bore that extends into the first end towards the second end along a bore axis that extends along the second direction; and

    a first expansion member,wherein the assembly is configured such that, when the first expansion member is biased through the first bore along the bore axis in the second direction, the first expansion member causes the expandable intervertebral implant assembly to expand along the first direction and engage with the first and second vertebrae, and the assembly is configured such that the expandable intervertebral implant assembly remains expanded after the first expansion member is removed from the first bore.

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