Expandable intervertebral implant system and method

CAFC
  • US 8,647,386 B2
  • Filed: 07/22/2010
  • Issued: 02/11/2014
  • Est. Priority Date: 08/05/2003
  • Status: Active Grant
First Claim
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1. An intervertebral implant system for a human spine, comprising:

  • a first body comprising;

    a first external surface configured to be disposed adjacent a first vertebra during use, anda first internal surface opposite the first external surface;

    a second body comprising;

    a second external surface configured to be disposed adjacent a second vertebra during use, anda second internal surface opposite the second external surface;

    an elongated insertion instrument releasably couplable to the first or second body during use; and

    a spacer linearly advanced between the first internal surface of the first body and the second internal surface of the second body during use, wherein the elongated insertion instrument guides at least a portion of the linear advancement of the spacer after the first and second bodies have been disposed substantially between the first and second vertebrae from a position remote to the first and second bodies during use, and wherein the linear advancement of the spacer results in expansion of the intervertebral implant such that the first external surface and the second external surface move away from one another to expand a height of the implant.

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