Abstract |
A biological fluid filtration system including : a) a leukocyte depletion device (45)having an inlet (47)and an outklet (48), b) a blood container (49)upstream from ,and elevated above ,said leukocyte depletion device (45),and having an outlet, c) a first condult (50)in fluid communication with the outlet of said blood container (49) and the inlet of said leukocyte depletion device, d) a receiving container (52) downstream of said leukocyte depletion device and having an inlet , e) a second conduit (54)in fluid communication with the inlet of said receiving container (52)and the outlet of said leukocyte depletion device (45) f)an upstream gas inlet(56)elevent above the liquid level is said blood container (49)said upstream gas inlet (56)in fluid communication with said first conduit (50) and g) a downstream gas inlet (58)elevated above the above the liquid level in said blood container ,and in fluid communication with said leukocyte depletion device (45) ) |