释义 |
pedicle screw fixation system pedicle screw fixation system Orthopedic surgery A multicomponent device constructed from stainless or titanium-based steel, consisting of solid, grooved, or slotted plates of rods that are longitudinally interconnected and anchored to adjacent vertebrae using bolts, hooks, or screws Indications Stabilize and fuse the spine in degenerative spondylolisthesis, fusion after spinal fusion, lumbar fractures, and in surgically repaired spinal pseudoarthroses. See Omni litigation. |