An angioplasty and stent delivery system to facilitate introduction and placement of a stent, including a catheter having an expandable distal portion constructed and arranged for expanding the outer diameter of the catheter from a contracted state to an expanded state: a stent positioned around the...http://www.google.fr/patents/US6077273?utm_source=gb-gplus-shareBrevet US6077273 - Catheter support for stent delivery
