A delivery system for placement of a stent within a body of a patient includes a stent, a retaining structure, and an elongated member. The stent includes a coil which defines a lumen and has an initial length when in an expanded rest state. Adjacent turns of the coil are positioned to substantially...http://www.google.se/patents/US6790223?utm_source=gb-gplus-sharePatent US6790223 - Delivering a uretheral stent
