What Is a Constrained Non Hinged Design?

The mechanism of patellor clunkidrome is scar tissue that gets caught in the box as the knee moves into extension. Treatment initially will be close reduction by performing an anterior drawer manoeuvre. The final treatment will be revision to address the loose flexion gap. Indications for a constrained non hinged design include l c l attenuation or deficiency, flexion, gap, laxity and moderate bone loss with neuropathic arthropathy.