Variable lordosis spacer and related methods of use

  • US 9,402,739 B2
  • Filed: 02/07/2014
  • Issued: 08/02/2016
  • Est. Priority Date: 02/07/2014
  • Status: Active Grant
First Claim
Patent Images

1. An expandable fusion device comprising:

  • a first endplate having an upper surface defining a first plane extending from a first side of the expandable fusion device to a second side of the expandable fusion device;

    a second endplate having a lower surface defining a second plane extending from the first side of the expandable fusion device to the second side of the expandable fusion device;

    a first ramp configured to mate with both the first and second endplates, wherein the first ramp is a wedge with an incline extending along a longitudinal axis of the expandable fusion device, and is also a wedge having an incline extending along a lateral axis of the expandable fusion device; and

    a second ramp configured to mate with both the first and second endplates, wherein the second ramp is a wedge having an incline extending along the longitudinal axis of the expandable fusion device, and is also a wedge having an incline extending along the lateral axis of the expandable fusion devicewherein the expandable fusion device is moveable between a collapsed configuration and an expanded configuration, andwherein in the collapsed configuration the first plane and second plane are non-parallel.

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