An anterior instrumentation method of treating spinal deformities involves a combination of a spinal rod anterior system and one or two spinal plates fixed on the cephalad and caudal end vertebrae of the instrumented segment. Deformities are treated by the anterior rod system through compression, distraction...http://www.google.com/patents/US7658754?utm_source=gb-gplus-sharePatent US7658754 - Method for the correction of spinal deformities using a rod-plate anterior system
