Global Heart Pump Device Market By Type (Ventricular Assist Devices (VADs) , Intra-aortic Balloon Pumps (IABPs) , and Total Artificial Heart (TAH)), By Application (Bridge-to-transplant (BTT) , Bridge-to-candidacy (BTC) , Destination Therapy (DT) , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029