Medical News Today -- Edwards Lifesciences Corporation (NYSE: EW), the world leader in the science of heart valves, today announced that it has received approval from the U.S. Food and Drug Administration (FDA) for the Carpentier-Edwards PERIMOUNT Magna Ease aortic valve, designed for easier implantation in the heart. The company is introducing this valve, as well as the PORT ACCESS EndoDirect minimally invasive surgery system, at the American Association for Thoracic Surgery’s (AATS) 89th Annual Meeting in Boston this week.