Patent attributes
A device includes a core having proximal and distal ends and defining a first female thread. A drive screw includes first and second ends. The first end includes a first male thread. The second end including a second male thread that engages the first female thread. A first body includes a second female thread that engages the first male thread. A second body is coupled to the drive screw. A first plate is coupled to the core and the first body. The first plate includes a first vertebral engaging surface. A second plate is coupled to the core and includes a second vertebral engaging surface. The drive screw is configured to rotate relative to the core to simultaneously pivot the first plate relative to the core and alter a distance between the first vertebral engaging surface and the second vertebral engaging surface.