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Fixation device and method

  • US 10,292,828 B2
  • Filed: 12/16/2016
  • Issued: 05/21/2019
  • Est. Priority Date: 11/12/2008
  • Status: Active Grant
First Claim
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1. An intervertebral implant comprising:

  • a rotatable tool;

    a first plate having a first plate first side, a first plate second side, a first plate first groove, and a first plate second groove;

    a second plate having a second plate first side and a second plate second side, wherein the first plate second side and the second plate first side face each other;

    a first angled surface positioned between two sides of the implant, wherein the first angled surface is angled relative to a longitudinal axis of the implant, wherein the first angled surface contacts a surface of the first plate first groove;

    a second angled surface positioned between the two sides of the implant, wherein the second angled surface contacts a surface of the first plate second groove; and

    a segment member having a segment dimension that extends along the longitudinal axis of the implant, wherein the first angled surface and the second angled surface are connected via the segment member,wherein the implant has a first configuration and a second configuration, wherein the first plate is closer to the second plate along a transverse axis of the implant in the first configuration than in the second configuration, and wherein the first angled surface and the second angled surface are separated by the segment dimension in the first configuration and in the second configuration,wherein a portion of the rotatable tool is not between the first and second plates in the first configuration, and wherein at least a portion of the portion of the rotatable tool not between the first and second plates in the first configuration is between the first and second plates in the second configuration,wherein the rotatable tool is at an engagement angle relative to the longitudinal axis of implant in the first and second configurations, and wherein the engagement angle is the same in the first and second configurations, andwherein the rotatable tool contacts the implant at a same contact surface in the first and second configurations.

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