This is a single lumen balloon catheter having an infusion section distal of that balloon for infusing liquids into the bloodstream. In general, the infusion section has a plurality of holes in the wall of the section proximal of the tip so to allow infusion of that selected material. Depending upon...http://www.google.co.uk/patents/US6017323?utm_source=gb-gplus-sharePatent US6017323 - Balloon catheter with distal infusion section
