The Clinic treats athletes and people with arthritis and focuses on knee and shoulder injuries. The Foundation conducts research on advanced surgical techniques and tissue regeneration for orthopedic sports medicine. These efforts have led to improvements in cartilage replacement and regeneration, cruciate ligament repair and reconstruction, and techniques to prevent osteoarthritic degeneration. Dr. Stone has lectured around the world as an expert in cartilage and meniscal growth, replacement, and repair. He holds approximately 50 U.S. patents on novel inventions to improve healthcare.