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Expandable fusion device and method of installation thereof

  • US 10,052,215 B2
  • Filed: 05/22/2017
  • Issued: 08/21/2018
  • Est. Priority Date: 06/29/2016
  • Status: Active Grant
First Claim
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1. An expandable fusion device having a longitudinal axis comprising:

  • a first endplate having a length extending along the longitudinal axis;

    a second endplate having a length extending along the longitudinal axis;

    a first joist and a second joist connected to the first endplate;

    a third joist and a fourth joist connected to the second endplate;

    a translation member in engagement with the first joist, second joist, third joist, and fourth joist;

    a first actuation member in engagement with the translation member assembly, wherein the first actuation member is configured to move the first joist and the third joist such that the first endplate and the second endplate move in a direction away from the translation member on a first side of the expandable fusion device; and

    a second actuation member in engagement with the translation member assembly, wherein the second actuation member is configured to move the second joist and the fourth joist such that the first endplate and the second endplate move in a direction away from the translation member on a second side of the expandable fusion device,wherein the first joist, the second joist, the third joist, and the fourth joist each have a length substantially equal to at least one of the first endplate and the second endplate.

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