Acellular matrix implants for implantation into an articular cartilage or osteochondral lesion and a method for fabrication thereof. A protective biodegradable polymer barrier having extended polymerization time and a method for preparation thereof. Bone-inducing compositions. A method for treatment...http://www.google.com/patents/US20050043814?utm_source=gb-gplus-sharePatent US20050043814 - Acellular matrix implanted into an articular cartilage or osteochondral lesion protected with a biodegradable polymer modified to have extended polymerization time and methods for preparation and use thereof
