A method and device for preventing contrast associated nephropathy are disclosed. When contrast solution is injected into the coronary artery of a patient, blood is prevented from flowing through the coronary sinus into the right atrium. The blood in the coronary sinus is bypassed to a filtration device...http://www.google.com/patents/US6554819?utm_source=gb-gplus-sharePatent US6554819 - Method and device for preventing contrast associated nephropathy
