A conduit is provided to provide a bypass around a blockage in the coronary artery. The conduit is adapted to be positioned in the myocardium or heart wall to provide a passage for blood to flow between a chamber of the heart such as the left ventricle and the coronary artery, distal to the blockage....http://www.google.co.uk/patents/US7347867?utm_source=gb-gplus-sharePatent US7347867 - Designs for left ventricular conduit
