582685.fig.003a
(a)
582685.fig.003b
(b)
582685.fig.003c
(c)
582685.fig.003d
(d)
582685.fig.003e
(e)
582685.fig.003f
(f)
Figure 3: Surgical procedure: (a) skin incision; (b) exposure of the intercondylar region; (c) drilling the osteochondral defect with a 2 mm diameter and 1 mm depth stop; (d) PVA implant; (e) defect filled with the PVA implant; (f) suture.