There is disclosed a stent delivery system includes a first cylindrical member capable of being inserted into a forceps channel of an endoscope and including a through hole having a central axis; a second cylindrical member inserted into the through hole of the first cylindrical member and capable of...http://www.google.de/patents/US7648525?utm_source=gb-gplus-sharePatent US7648525 - Stent delivery system and indwelling method for stent