Blood Sampling Device Comprising At Least One Filter

摘要

The invention relates to a device for taking blood by capillarity and incorporating a filter and downstream therefrom, an absorbent material for separating a plasma phase of the blood from a cell phase. The device is characterized in that the filter comprises in succession: a prefilter (6) for spreading the blood over the surface of a first membrane (2) having pores of dimension lying in the range 0.1μm to 5μm, said membrane having no clumping agent; and said first membrane (2).