A self-expanding stent assembly consisting of one or more Z-stents connected to one another and covered by a flexible sleeve, which can be made from either nylon, plastic or another suitable material. The stents are formed of stainless steel wire arranged in a closed zig-zag configuration which includes...http://www.google.fr/patents/US5282824?utm_source=gb-gplus-shareBrevet US5282824 - Percutaneous stent assembly