An orthopedic device set, including: a plurality of intervertebral spacer elements, each spacer element having a different axial thickness from each other element, the axial thicknesses being selected to increase by an increment from one element to another; and an instrument for holding ones of the intervertebral...http://www.google.de/patents/US20030014110?utm_source=gb-gplus-sharePatent US20030014110 - Instruments for reorienting vertebral bones for the treatment of scoliosis
