Tenon Medical, Inc.

Tenon Medical, Inc. designs and manufactures sacroiliac (SI) joint fusion implants and surgical systems for minimally invasive orthopedic procedures. The company's flagship product is the Catamaran® SI Joint Fusion System, a single-implant, titanium-based solution that uses an inferior-posterior surgical approach to fuse the sacroiliac joint. The system features a patented osteotome bridge design with fenestrated pontoons that transfix the ilium and sacrum along the longitudinal axis, facilitating bony in-growth and arthrodesis while maintaining a surgical trajectory away from critical neural and vascular structures. Clinical data from the prospective, multi-center MAINSAIL Study (published 2024) demonstrated 80% success rate at 6 months, with 61.6% pain reduction (VAS), 43% functional improvement (ODI), and 93.3% patient satisfaction. No serious device-related adverse events, reoperations, or reinterventions were reported. The system is indicated for sacroiliac joint fusion in cases of SI joint disruption and degenerative sacroiliitis. Tenon Medical provides comprehensive surgical documentation including Instructions for Use (IFU), Surgical Technique Manuals, and biomechanical testing data. The company also offers the SImmetry SI joint fusion system. Customer service and training support available via dedicated hotline.