Patent ID: 8709083
Filing Date: 2014-04-29
Classification: A61F

Abstract:
1. An intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine, wherein said implant comprises: a spacer having, an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole having an inner surface extending through the spacer; screw holes extending from a side portion to the inferior and superior surfaces of the spacer; a plate rigidly coupled to the spacer, wherein the plate contains screws holes for receiving screws; and wherein a screw back out prevention mechanism adapted on the plate for preventing the back out of screws from the screw holes, wherein at least two grooves and spaced apart about the entire inner surface of the spacer, wherein a tongue extends from the superior surface to the inferior surface of the spacer and into the through hole and does not extend the entire length of the through hole, and is configured with a radius at one end, wherein the screw back out prevention mechanism is two set screws that retain at least three screws, wherein the plate comprises an extension that is adapted to mate with a connection groove on a anterior portion of the spacer, and wherein the plate is not moveable with respect to the spacer.