HeartWare International, Inc. develops and manufactures small implantable heart pumps or ventricular assist devices for the treatment of advanced heart failure. The company offers HeartWare Ventricular Assist System, which includes a left ventricular assist device, or blood pump, patient accessories, and surgical tools designed to provide circulatory support for patients in the advanced stage of heart failure. It is also developing the Miniaturized Ventricular Assist Device, a miniaturized device intended for chronic heart failure patients. HeartWare International, Inc. sells and markets its products through clinical studies in the United States, as well as directly to cardiac centers and hospitals internationally. The company is headquartered in Framingham, Massachusetts.