Ilizarov apparatus
Pronunciation: ih-LIZ-ah-rov
A circular external fixation device using tensioned wires and rings to achieve bone lengthening, deformity correction, and fracture treatment.
Full Definition
The Ilizarov apparatus is a sophisticated circular external fixation system developed by Dr. Gavril Ilizarov that revolutionized limb reconstruction surgery. The device consists of multiple circular rings connected by threaded rods, with thin tensioned wires passing through the bone to provide stable fixation. The apparatus allows for gradual distraction osteogenesis, where new bone forms as the segments are slowly separated, enabling significant limb lengthening. It can also correct complex deformities through gradual angular and rotational corrections. The system's modularity allows for three-dimensional control of bone segments during treatment.
Usage
Usage note: Named after Dr. Gavril Ilizarov; should be capitalized.
In Context
- "The patient underwent limb lengthening using an Ilizarov apparatus with a planned distraction of 5 cm." — Surgical planning note
- "Daily pin care is essential for patients with an Ilizarov apparatus to prevent infection." — Patient education material