Global Active Implantable Medical Devices Market By Type (Implantable Cardioverter Defibrillators (Transvenous & Subcutaneous) , Cardiac Pacemaker , Ventricular Assist Device , Neurostimulator , and Implantable Hearing Devices), By Application (Application 1 , and Application 2), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029