Tenon Medical, Inc. is a medical device company, which engages in the development of a minimally invasive approach to the sacroiliac joint (SI joint) using a single titanium implant for treatment of the most common types of SI Joint disorders. The company is headquartered in Los Gatos, California and currently employs 27 full-time employees. The company went IPO on 2022-04-27. The firm has developed the Catamaran SI Joint Fusion System that offers a novel, less invasive approach to the SI joint using a single, robust titanium implant. The system features the Catamaran Fixation Device which passes through both the axial and sagittal planes of the ilium and sacrum, stabilizing and transfixing the SI Joint along its longitudinal axis. The angle and trajectory of the Catamaran surgical approach is also designed to provide a pathway away from critical neural and vascular structures and into the strongest cortical bone. The Catamaran System is designed specially to resist vertical shear and rotation of the joint in which it was implanted, helping stabilize the joint in preparation for eventual fusion. The firm has also developed a proprietary two-dimensional (2D) placement protocol as well as a protocol for three-dimensional (3D) navigation utilizing the latest techniques in spine surgery.