A tubular prosthesis including a tubular wall portion of loosely interlocked pattern, e.g. of knitted loops, constructed to function within a body lumen. The loops are preferably formed of co-knitted strand materials. A first strand material is a metal strand that structurally defines the tubular shape...http://www.google.fr/patents/US6221099?utm_source=gb-gplus-shareBrevet US6221099 - Tubular medical prosthesis
