St. Jude Medical, now part of Abbott, has won a patent dispute over the method for using a double catheter in heart failure patients. Niazi Licensing's patent, issued in 2003 for the double catheter system, describes it as better suited for “use in the coronary sinus, especially in patients suffering from congestive heart failure,” according to … [Read more...] about Abbott’s St. Jude Medical wins patent spat over catheterization method