Patent ID: 8092497

Claim:
An intervertebral implant for the lumbo-sacral joint, the intervertebral implant comprising: a spacer having: a top end comprising a groove for receiving a spinous process of a fifth lumbar vertebra L5, wherein the groove opens out into an anterior face and a posterior face of the spacer; a bottom end opposite the top end, the bottom end comprising a longitudinal housing extending orthogonally to the groove; at least one extension at the bottom end and extending from the posterior face of the spacer; at least one tab at the bottom end and extending from the anterior face of the spacer, wherein the at least one extension and the at least one tab define the longitudinal housing at the bottom end of the spacer; and a connection system formed in or on the posterior face of the spacer, wherein the spacer is structured for being placed between the fifth lumbar vertebra L5 and the vertebra S1 of the sacrum that is articulated to the vertebra L5; and a flexible tie having: end portions attachable to the sacrum via fasteners, wherein said fasteners comprise pedicular screws that are suitable for being anchored in the sacrum, wherein each of the pedicular screws comprises a screw head fitted with a fastening system, and each end portion of the flexible tie being fastened to said screw head via said fastening system; and an intermediate portion suitable for co-operating with the connection system of said spacer to connect the spacer to the sacrum.