AtriCure, Inc. is a medical device company providing atrial fibrillation (Afib) solutions. The Company's segment develops, manufactures, and sells devices designed primarily for the surgical ablation of cardiac tissue and systems designed for the exclusion of the left atrial appendage. The Company has various product lines for the ablation of cardiac tissue, including its Isolator Synergy Ablation System, for the treatment of persistent and longstanding persistent forms of Afib in patients undergoing certain open concomitant procedures. Its Isolator Synergy System, which includes its Isolator Synergy clamps, radio frequency (RF) generator and related switchbox, provides treatment for persistent and long-standing persistent Afib concomitant. It has two primary product lines for cardiac tissue ablation, which include Radio Frequency Ablation Devices and cryoICE Cryoablation System, and a product line for left atrial appendage exclusion.