Intervertebral Disc Replacement Implant And Methods Of Use
OwnerBrian R. Perriinventor
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Abstract
Artificial disc replacement implants for use in C-ADR, AL-ADR, or LL-ADR comprising a cephalad endplate, a caudal endplate, and a core disposed therebetween are disclosed along with methods for replacing one or more damaged discs. The cephalad endplate has a domed portion, while the core's superior portion has a convex surface. Both endplates have textured or porous regions and fixation elements to facilitate fixation and bone ongrowth or ingrowth. The implant is designed for cervical or lumbar spine insertion. Fixation elements include keels or spikes configured to facilitate insertion of the implant without a chiseling step prior to insertion.
Claims20
An artificial disc replacement implant comprising a cephalad endplate, a caudal endplate, and a core, wherein the core is disposed between the cephalad endplate and the caudal endplate,
- wherein the cephalad endplate comprises a domed portion,
- wherein the superior portion of the core has a convex surface configured to fit inside the domed portion of the cephalad endplate, and
- wherein the superior surface of the cephalad endplate and the inferior surface of the caudal endplate comprise one or more textured or porous regions to facilitate bone ongrowth and/or ingrowth and one or more fixation elements.
Dependencies are inferred from the claim text.