Polyvinyl Alcohol Hydrogel Irradiated and Acetalized for Osteochondral Defect Repair: Mechanical, Chemical, and Histological Evaluation after Implantation in Rat Knees
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.
