Many treatment cases proved that autologous chondrocyte transplantation is a useful treatment method for patients with damaged articular cartilage.~This investigator-sponsored trial attempts to evaluate the effectiveness of Chondron(autologous chondrocyte) transplantation by tracking subjects who had the Chondron implantation to observe effectiveness.
This investigator-sponsored trial attempts to evaluate the effectiveness of Chondron transplantation by tracking subjects who had the Chondron implantation to observe effectiveness.