Anterior and Posterior Lumbar Fusion - Medical Illustration, Human Anatomy Drawing
Discs at L4-5 and L5-S1 are removed, PEEK implants are inserted and secured in place with an anterior screw at L4 and at L5 vertebral bodies. Hardware is placed posteriorly at L4, L5 and S1. The L4-5 facets are resected. The bone is decorticated and bone graft is placed over to fuse the posterior bone elements.