Fig. 5From: Reconstruction of the medial patellofemoral ligament using two blind transverse semi-patella tunnels and an implant-free technique for patellar fixation: a technical notea The second guide pin is inserted 15 mm proximally and transversely to the first pin. b Both guide pins are over-drilled with a cannulated 4.5-mm drill bit 2-cm deepBack to article page