Tetrous, Inc. is a regenerative medicine company developing biologic implants that improve bone-to-tendon healing at the enthesis, the interface where tendon attaches to bone. Its EnFix product line consists of 100% demineralized bone fiber allograft implants used in rotator cuff repair and other sports medicine procedures. The company holds multiple U.S. patents on demineralized bone fiber implants for enthesis repair and has expanded labeled clinical applications beyond the rotator cuff to biceps tenodesis, insertional Achilles tendinopathy, gluteus medius and proximal hamstring reattachment, and lateral epicondyle repair. It sells through surgeon channels in the U.S. and via distribution agreements internationally, including New Zealand and the wider Asia-Pacific market.