Intra-aortic balloon apparatus is disclosed including a single chamber balloon sealably attached to the end of a catheter for non-surgical insertion into the aorta through the skin as by the standard Seldinger technique. In the preferred embodiment, the extreme end of the balloon is fixedly attached...http://www.google.es/patents/US4362150?utm_source=gb-gplus-sharePatente US4362150 - Percutaneous intra-aortic balloon apparatus
