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Anchoring device and system for an intervertebral implant, intervertebral implant and implantation instrument

  • US 9,833,331 B2
  • Filed: 12/31/2009
  • Issued: 12/05/2017
  • Est. Priority Date: 12/31/2009
  • Status: Active Grant
First Claim
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1. An instrument for implantation of an implant into an intervertebral space and for implantation into a vertebra of an anchor having a body comprising a rigid, elongated, curved plate having edges disposed on sides of the plate and an elongated rib projecting away from a broad surface of the plate between the edges, the instrument comprising:

  • an impactor having an impactor head configured to push the anchor; and

    an elongated guide having a gripping end and a pushing end, the guide comprisinga gripping device disposed at the gripping end and configured to grip the implant, anda guide head configured to at least partially accommodate the impactor head, the guide head comprising a side wall having at least one guidance surface having a radius of curvature substantially the same as a radius of curvature of the anchor plate and configured to receive an edge of the anchor plate and to guide the anchor into a passage of the implant; and

    a groove disposed in an upper or lower wall of the guide head configured to receive the rib of the anchor and to guide the rib of the anchor during passage of the anchor through the guide head.

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