Indications Opening wedge tibial osteotomies in the case of medial femorotibial arthritis with genu varum deformity Technical features Implant well-suited to knee biomechanics: positioning onto the antero-medial surface of the tibia and orientation of the screws in an antero-posterior direction for increased resistance to stress when the knee rolls back Proximal curvature and metaphyseal slope from 8 to 12° Dualtec System technology: 1 polyaxial epiphyseal hole allowing +/-12.5° angulation (25° cone) Implants Opening wedge tibial osteotomy plate (61.6 mm) available in right and left versions Single fixation: Ø4.5 mm locking screws, length 30 to 75 mm (5mm increment)