Tenon Medical, Inc. is a medical device company. The Company has developed an inferior-posterior approach to the sacroiliac joint using a single, robust, titanium implant for the treatment of the most common types of sacroiliac joint (SI Joint) disorders that cause lower back pain. The Catamaran SI Joint Fusion System (The Catamaran System) is designed to transfix and stabilize the SI Joint. The System features the Catamaran Fixation Device, which passes through both the axial and sagittal planes of the ilium and sacrum, transfixing the SI joint along its longitudinal axis. The angle and trajectory of the Catamaran surgical approach are also designed to provide a pathway away from critical neural and vascular structures and into the strongest cortical bone. The Company’s subsidiary is Tenon Technology AG.