Fig. 3From: Clinical outcomes and predictive factors for failure with MPFL reconstruction combined with tibial tubercle osteotomy and lateral retinacular release for recurrent patellar instabilityA-B: wedge-shaped osteotomy was done at the tibial tubercle; C- D: wedge-shaped osteotomy was done at the medial or /and inferior part of tibial tubercle; E–G: the position of the two bone mass was exchanged; H: the bone mass with patellar tendon was fixed with two 4.5 * 40 mm absorbable screwsBack to article page