Global Structural Heart Closure Devices Market By Type (By Product: Repair Devices , Replacement Valves , By Age Group: Pediatric , and Adults), By Application (Atrial Septal Defect (ASD) , Ventricular Septal Defect (VSD) , Patent Foramen Ovale (PFO) , Aortic Valve Stenosis , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029