Patent ID: 6346090
Filing Date: 2002-02-12
Classification: A61B,A61M

Abstract:
A microdialysis catheter for insertion into a blood vessel of a living being, comprising:an elongate catheter body having first channel means for delivery of dialysis liquid and second channel means for discharge of dialysis liquid, a portion of said catheter body having a reduced diameter forming a straight cylindrical portion; a relatively stiff supporting sleeve arranged around said cylindrical portion and having an outer circumference; dialysis chamber means defined by a plurality of tubular membrane members arranged in close relation to one another in one layer about said outer circumference of said supporting sleeve, each tubular membrane member having an inlet end and an outlet end, said inlet and outlet ends being embedded in annular blocks arranged about said cylindrical portion at a proximal and a distal end thereof, respectively, said blocks allowing fluid communication between said first channel means and one of said inlet and outlet ends of said plurality of tubular membrane members, and allowing fluid communication between said second channel means and the other of said inlet and outlet ends of said plurality of tubular membrane members.