This method of using a miniature balloon (102) in blood vessels (104) usually involves using a balloon that is thinner, more delicate (with thickness-controlled walls) than most balloons made previously. The process includes the steps of inserting the balloon (102) into a blood vessel (104) on the end...http://www.google.co.uk/patents/US4509523?utm_source=gb-gplus-sharePatent US4509523 - Method of using miniature balloon catheter for perfusing
