Autologous matrix-induced chondrogenesis (AMIC) is a treatment for articular cartilage damage. It combines microfracture surgery with the application of a bi-layer collagen I/III membrane.There is tentative short to medium term benefits as of 2017. The initialism AMIC, often used as a genericized trademark, is a registered trademark of Ed. Geistlich Söhne AG, protected by German Registration No. 30255356 and international Registration No. 840373.