An expandable medical device or component thereof including a tubular body formed of a wrapped sheet of porous polymeric material fused together, the tubular body having a fused seam at an angle relative to the longitudinal axis of the tubular body which changes along the length of the tubular body from...http://www.google.fr/patents/US7195638?utm_source=gb-gplus-shareBrevet US7195638 - Catheter balloon
