Artificial, disc, replacement, lumbar Artificial Disc Replacement, Close Up View

Description

Lumbar artificial disc replacement hardware occupies the intervertebral space between two adjacent vertebral bodies, with superior and inferior metallic endplate components seated against the vertebral endplates. Each plate is anchored into cancellous bone by midline keels or teeth, while a central mobile core sits between the plates to permit controlled translation and rotation within the implant’s constraints. The close-up framing emphasizes the anterior profile of the construct, so the implant-bone interfaces and the relative thickness of the plates and core read clearly. Fine surface texture on the plates suggests porous coating or grit blasting intended for bony ongrowth. Artificial disc replacement is selected for symptomatic lumbar degenerative disc disease when facet arthropathy and instability are limited, and when preservation of segmental motion is preferred over fusion at levels such as L4 to L5 or L5 to S1. The plate-to-endplate relationship highlighted here matters in practice, because malposition, endplate violation, or undersizing can contribute to subsidence, anterior migration, or loss of height, while over-distraction can aggravate facet-mediated pain. One problem. Heterotopic ossification and wear-related osteolysis are also common discussion points, and this tight perspective supports teaching how the core-and-plate geometry governs motion while keeping the implant centered under load. Use this illustration for spine surgery lectures on anterior lumbar approaches and implant design, for textbook figures comparing total disc arthroplasty with interbody fusion cages, or for patient-facing materials that need an accurate look at the anchored plates and mobile core without extraneous anatomy. It also fits device-related complication reviews that call out keel placement, endplate coverage, and failure modes at the bone-implant interface. Anatomical accuracy verified by SciePro's Medical Advisory Board.