Figure 1From: Gel-type autologous chondrocyte (Chondron™) implantation for treatment of articular cartilage defects of the knee The gel-type ACI (Chondron™) surgery. a) Preparation of cartilage lesion, b) After injection of cell gel mixture, C) MRI one year postoperatively, D) Second-look arthroscopic view one year postoperatively.Back to article page