Anatomical interbody implant and gripper for same

Claim 1

An intersomatic implant designed to be inserted in the disk space defined between two adjacent vertebrae, namely an overlying vertebra and an underlying vertebra, for the purpose of reestablishing the anatomic space between the vertebrae, the implant being in the form of a cage that is generally in the space of a rectangular block having at least two sagittal walls substantially parallel to a sagittal plane and interconnected at least by an anterior transverse wall and by a posterior transverse wall extending substantially parallel to a frontal plane, the walls defining between them an open volume for bone filler and presenting rims extending on one surface to define a first transverse face and on the opposite surface to define a second transverse face, wherein the first transverse face presents in the sagittal plane a first convex profile congruent with the sagittal anatomic profile of an overlying vertebra, and the first transverse face is defined in the frontal plane by a first substantially straight profile; wherein the second transverse face presents in the frontal plane a second convex profile congruent with the frontal anatomic profile of an overlying vertebra, and the second transverse face presents in the sagittal plane a second substantially straight profile; and wherein the first and second convex profiles of each transverse face is defined by protuberances formed on the rims of the sagittal and frontal walls.