AtriCure, Inc., a medical device company, develops, manufactures, and sells cardiac surgical ablation systems designed to create precise lesions or scars in cardiac tissue. It provides isolator bipolar radio-frequency ablation clamps that are used for ablation during open-heart procedures; and ablation and sensing unit, a compact power generator that provides the radio-frequency (RF) energy for its clamps, multifunctional pens, and coolrail linear ablation devices. The company also offers AtriCure switch box, a compact switch box, which offers the technology needed for the dual pulsing electrodes in isolator synergy clamps; isolator multifunctional pens that enable surgeons to evaluate cardiac arrhythmias, as well as to perform temporary cardiac pacing, sensing, and stimulation and ablate cardiac tissue with the same device; and coolrail linear ablation device, a disposable linear RF ablation device that allows physicians to create an expanded cardiac ablation lesion set during minimally invasive procedures. In addition, it provides cryoablation system, which is used for AF ablation treatment during certain open-heart procedures; and AtriClip System that is designed to exclude the left atrial appendage by implanting the device during concomitant open surgical procedures. Further, the company sells technologies, including Lumitip dissector to separate tissues to provide access to anatomical structures that are targeted for ablation; and the MicroPace ORLab system, a stimulating, mapping, and recording system, which enables physicians to confirm that the ablation lines being created are forming electrical barriers or lines of block. The company sells its products to hospitals and medical centers through independent distributors and direct sales personnel worldwide. AtriCure, Inc. is headquartered in West Chester, Ohio.