Sunshine Heart, Inc. is an early-stage medical device company. The Company is focused on developing, manufacturing and commercializing C-Pulse Heart Assist System (the C-Pulse System) for treatment of Class III and ambulatory Class IV heart failure. The C-Pulse System utilizes the scientific principles of intra-aortic balloon counter-pulsation applied in an extra-aortic approach to assist the left ventricle by reducing the workload required to pump blood throughout the body, while increasing blood flow to the coronary arteries. The system's single unit driver and battery source are contained inside a carrying bag. The sales of the C-Pulse System have been to United States hospitals and clinics who participate in the Company's clinical studies.