Patent ID: 8021321
Filing Date: 2011-09-20
Classification: A61M

Abstract:
1. A multi-lumen catheter, comprising: an outer tube comprising a body portion having a first lumen adapted for fluid flow therethrough, a tip portion having a second lumen adapted for fluid flow therethrough in fluid communication with said first lumen, and a port positioned proximal said tip portion, wherein a cross-sectional area of said tip portion is smaller than a cross-sectional area of said body portion, and wherein a cross-sectional area of said second lumen is smaller than a cross-sectional area of at least a distal end portion of said first lumen; and an inner tube having a third lumen adapted for fluid flow therethrough, said inner tube being positioned within said outer tube and having a distal end that is configured to pass through said port generally parallel to said outer tube and that is adapted to be variably distanced from said port.