08628578 is referenced by 89 patents and cites 47 patents.

An intervertebral implant comprises a first component and a second component. The second component includes an actuator and a third component comprises a first ramp and a second ramp axially spaced apart from the first ramp. The third component comprises rails including at least a portion of the ramps. At least one of the ramp portions disposed with the first rail has a first height and at least one of the ramp portions disposed with the second rail has a second height. The first height is greater than the second height. The actuator is engageable with the third component to effect axial translation such that the ramps engage at least one of the components between a first configuration and a second configuration. Methods of use are disclosed.

Title
Expandable interbody implant and methods of use
Application Number
13/329802
Publication Number
8628578 (B2)
Application Date
December 19, 2011
Publication Date
January 14, 2014
Inventor
William D Armstrong
Memphis
TN, US
Anthony J Melkent
Memphis
TN, US
Stanley T Palmatier
Olive Branch
MS, US
Keith E Miller
Germantown
TN, US
Assignee
Warsaw Orthopedic
IN, US
IPC
A61F 2/44
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