A cardioplegia catheter is configured to extend into the ascending aorta with a proximal portion of the shaft extending into a left chamber of the heart through the aortic valve and out of the heart through a penetration in a wall thereof. The cardioplegia catheter has an occlusion member configured...http://www.google.es/patents/US6090096?utm_source=gb-gplus-sharePatente US6090096 - Antegrade cardioplegia catheter and method
