CATHETER AND METHOD FOR PRODUCING THE SAME

摘要

The invention relates to a catheter with a substantially U-bent hollow fiber membrane (10), or to such a hollow fiber membrane (10), that comprises two arms (11, 13) and a bent section (15). According to the invention, the hollo w fiber membrane (10) is heat-treated and/or treated with at least one solvent in at least its bent section (15). The inventive catheter has a small overal l diameter, is easy to produce and easy to implant or explant. The bent sectio n (15) does not kink so that the lumen remains open. The invention further relates to a method for producing such a catheter or such a hollow fiber membrane.