WEST CHESTER, Ohio--(BUSINESS WIRE)--AtriCure, Inc. (Nasdaq: ATRC), a medical device company and a leader in cardiac surgical ablation systems, today announced CE Mark approval for its AtriClip Gillinov-Cosgrove Left Atrial Appendage Exclusion System. The AtriClip System is designed to safely and effectively exclude the left atrial appendage and is being launched in Europe through a phased approach during the fourth quarter.