DUAL LUMEN DIALYSIS CATHETER WITH INTERNALLY BORED OR EXTERNALLY-GROOVED SMALL BORE

摘要

A dual lumen catheter for insertion into a vein of a patient for use in hemodialysis treatments. An asymmetric dialysis catheter may have a tube containing at least an axial septum asymmetrically disposed within the tube, thereby defining a first and a second lumens, wherein said first lumen is larger in cross sectional area than said second lumen, and a single lumen catheter inserted through the first lumen.