Microport Scientific Corp is an investment holding company principally engaged in the manufacture and sale of medical devices. The Orthopedic Medical Devices segment develops, manufactures and sells orthopedic medical devices. The Cardiovascular Devices segment develops, manufactures and sells cardiovascular devices, such as drug eluting stents. The Endovascular and Peripheral Vascular Devices segment develops, manufactures and sells endovascular and peripheral vascular devices. The Neurovascular Devices segment develops, manufactures and sells neurovascular devices. The Surgical Devices segment develops, manufactures and sells surgical medical devices. The Surgical Robot segment sells, manufactures and develops surgical robotic devices. The Cardiac Rhythm Management （CRM) segment sells, manufactures and develops cardiac rhythm management devices. The Heart Valve segment sells and manufactures heart valve devices.