Patent ID: 9439777
Filing Date: 2016-09-13
CPC Classification: A61B,A61F,A61K,A61L

Claim Text:
1. A spinal fusion implant comprising: a first elongated ramp component comprising a bearing wall configured to bear against a vertebral endplate and a first angled wall having a longitudinal groove therein; a second elongated ramp component having a length and comprising a second angled wall having a longitudinal ridge extending therefrom; and an elongated element passing through the length of the second elongated ramp component, wherein the first angled wall slidably contacts the second angled wall to provide ramping, wherein the ridge and the groove are adapted to mate so as to guide the ramping of the angled walls, and wherein sliding the first angled wall along the second angled wall in a first direction is effective to progressively increase a height of the spinal fusion implant and sliding the first angled wall along the second angled wall in a second, opposite direction is effective to progressively reduce the height of the spinal fusion implant.