BOULDER, Colo.--(BUSINESS WIRE)--Covidien (NYSE: COV), a leading global healthcare products company and recognized innovator in mechanical ventilation and respiratory care devices, today announced the global launch of Mallinckrodt™ TaperGuard™ and TaperGuard™ Evac endotracheal tubes. The TaperGuard line of endotracheal tubes incorporates a unique, taper-shaped cuff made from polyvinylchloride (PVC) that is designed to substantially reduce the risk of microaspiration. The TaperGuard Evac endotracheal tube additionally provides for secretion drainage through an integrated suction lumen. As a result, the TaperGuard Evac endotracheal tube is associated with a reduction in ventilator-associated pneumonia (VAP).