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Spinal implants

  • US 10,285,823 B2
  • Filed: 07/26/2016
  • Issued: 05/14/2019
  • Est. Priority Date: 08/31/2010
  • Status: Active Grant
First Claim
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1. A spinal implant comprising:

  • a superior surface and an inferior surface opposite the superior surface, at least one of the superior surface and the inferior surface comprising a plurality of teeth;

    a posterior portion having a leading edge;

    wherein the leading edge of the posterior portion forms a central notch along a medial-lateral midline of the implant, the central notch resulting in two posterior points of the leading edge that are at a posterior-most point of the spinal implant and that are configured to rest against a spine and to provide a stable resting position for the spinal implant during impaction, the two posterior points of the leading edge comprising a first posterior point on a medial side of the spinal implant and a second posterior point on a lateral side of the spinal implant;

    wherein the leading edge of the posterior portion further forms a medial notch on the medial side of the spinal implant, the medial notch being medial and anterior to the first posterior point of the leading edge on the medial side of the spinal implant;

    wherein the leading edge of the posterior portion further forms a lateral notch on the lateral side of the spinal implant, the lateral notch being lateral and anterior to the second posterior point of the leading edge on the lateral side of the spinal implant; and

    wherein the medial notch and the lateral notch are configured to reduce the likelihood of tissue compression against a nerve root once the spinal implant is implanted.

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