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