AtriCure is a medical device company that develops surgical solutions for atrial fibrillation, left atrial appendage management, and post-operative pain relief. The company manufactures and sells ablation systems (both radiofrequency and cryoablation-based), left atrial appendage exclusion devices, and cryo nerve block therapies through a direct sales force in the United States and international distributors. Its products are used by cardiac and thoracic surgeons during open and minimally invasive procedures, generating revenue from disposable product sales, capital equipment placement, and international distribution arrangements.