A drug storing and metering stent for placement within a vessel comprising an outer member having a lumen, an inner member positioned within the lumen of the outer member. A space separates the inner member from the outer member and within which space a therapeutic drug is disposed. The stent includes...http://www.google.se/patents/US6206915?utm_source=gb-gplus-sharePatent US6206915 - Drug storing and metering stent
