Dwyer instrumentation

Dwyer instrumentation /dwī″ər/ [A.F. Dwyer, 1920–1975] , a procedure for correcting the spinal curvature associated with scoliosis, involving a cable that is inserted to assist in maintaining the corrected curvature while the fusion heals. It is not usually removed unless there is postoperative indication of displacement or a pattern of associated symptoms. Dwyer cable instrumentation involves surgical intervention through the pulmonary cavity and the rib cage.