| 摘要 |
<p>One object of the invention is a filtration unit (1) intended to allow the removal of leukocytes from a fluid such as blood or a blood component, the unit containing a porous element (5) comprising a medium (8) for the removal of leukocytes by adsorption and filtration of the leukocytes, said medium comprising a number of layers (9) of one and the same type which are formed from at least one porous non-woven material, in which at least one layer (9a) has been pressed by calendering prior to the stacking thereof, said at least one calendered layer (9a) being disposed on the downstream side of the stack, while the medium (8) comprises at least one non-calendered layer (9b). The invention also relates to a bag-based system comprising such a unit (1), said system being in particular arranged for the sterile and closed-circuit filtration of the fluid.</p> |
