Hancock Jaffe Laboratories Inc is a medical device company. It develops and sells biological tissue solutions to treat patients with coronary, vascular, end-stage renal and peripheral arterial diseases in the United States and Europe. The company develops and manufactures implantable cardiovascular bioprosthetic devices. Its key products include Bioprosthetic Heart Valve, CoreoGraft- Bypass Graft, and the Venous Valve.