An expandable stent and stent graft having a small initial diameter, flexibility along its longitudinal axis prior to expansion and a large expanded and rigid Local strain on the stent material is minimized, as and after the balloon is expanded. More particularly, the stent has rotation joints...http://www.google.es/patents/US5776161?utm_source=gb-gplus-sharePatente US5776161 - Medical stents, apparatus and method for making same
Medical stents, apparatus and method for making same
