RICHMOND, BRITISH COLUMBIA--(CCNMatthews - May 31, 2007) - MEDICAL VENTURES CORP. (TSX VENTURE:MEV) acknowledges the sentiment of several U.S. cardiologists, who are calling for doctors to be more precise when placing drug-coated stents in arteries to minimize the risk of blood clotting. Doctors’ roles in addressing the stent safety issue was described in a Wall Street Journal article published Tuesday. The story reported: “some experts say devices are often poorly placed in arteries, contributing to risk of clots.”