A stent is formed in a tube like grid structure which consists of at least one sequence (i.e., one tubular segment) of closed loop elements which are connected to each other at at least one connecting point per loop (the loop contact point) wherein either the opposing ends of each sequence are circumferentially...http://www.google.ca/patents/US6146417?utm_source=gb-gplus-sharePatent US6146417 - Tubular stent