Cartilage transplant insertion (IMAGE) University of Basel Caption The surgeons first remove the damaged knee cartilage tissue and then insert the cultivated piece of cartilage securing it with sutures. Credit University of Basel, Christian Flierl Usage Restrictions Only to be used in reporting on the related research License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.