Patent ID: 6027487
Filing Date: 2000-02-22
Classification: A61M

Abstract:
A method of treating an intravascular site, comprising:a) advancing a guidewire through a patient's vasculature until reaching an area close to the site;b) advancing an infusion catheter over said guidewire until a distal end of said infusion catheter extends into an area close to said site, said infusion catheter comprising:an elongate tubular body having at least one proximal, fluid lumen extending through a proximal zone of said tubular body;a branch point in said proximal, fluid lumen and positioned within the tubular body at which said proximal, fluid lumen divides into at least two distal, fluid lumens of differing lengths;at least a first effluent zone on the tubular body in fluid communication with a first, distal, fluid lumen; andat least a second effluent zone on the tubular body in fluid communication with a second, distal, fluid lumen;said second effluent zone displaced axially alone the tubular body from said first effluent zone;c) introducing a medication through said proximal, fluid lumen to discharge said medication through said effluent zones.