The infusion stent system includes a stent member having a plurality of openings provided in the wall of the stent along the entire length of the stent. An imperforate open ended guide tube member used for installation and infusion of the stent accommodates a core member that stiffens the guide tube...http://www.google.ca/patents/US4913683?utm_source=gb-gplus-sharePatent US4913683 - Infusion stent system
