10 MEMBRANES MADE OF SYNTHETIC OR REGENERATED POLYMERS IN THE FORM OF HOLLOW FIBERS, TUBING AND PIPING FOR SEPARATION PROCESSES, BUNDLES OF THE AFORESAID MEMBRANES IN COMBINATION WITH TEXTILE THREAD S, AND MODULES EQUIPPED WITH THE AFORESAID BUNDLES FOR USE IN MEDICAL, APPARATUS, NAMELY HEMODIALYSERS, HEMOFILTRATION MODULES, HEMODIAFILTRATION MODULES, ENDOTOXIN FILTRATION MODULES, PLASMAPHERESIS MODULES, AND HEMOCONCENTRATION MODULES