Patent 9788971 was granted and assigned to NuVasive on October, 2017 by the United States Patent and Trademark Office.
An expandable spinal fusion implant comprising first and second endplates coupled to an expansion member that sits within a housing. The expansion member is translated by a drive mechanism, whereby translation of the expansion member by the drive mechanism in a distal and proximal directions causes the distance between the endplates to increase and decrease, respectively.