AtriCure, Inc. develops, manufactures, and sells devices for the surgical ablation of cardiac tissue and systems to medical centers in the United States and internationally. The company offers Isolator Synergy clamps for the treatment of persistent and long-standing persistent atrial fibrillation concomitant to other open-heart surgical procedures; EPi-Sense guided coagulation system used for the coagulation of tissue; and COBRA Fusion surgical ablation system to combine bipolar temperature-controlled radio frequency energy control with monopolar energy. It also provides multifunctional pens that allow surgeons to evaluate cardiac arrhythmias, perform temporary cardiac pacing, sensing, and stimulation and ablate cardiac tissue with the same device; and linear ablation devices, which enable users to make longer linear lines of ablation. In addition, the company offers AtriClip system used to exclude the left atrial appendage by mechanically clamping the appendage; LARIAT system used to