Device for depletion of the leucocyte content of blood and blood components
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United States of America Patent
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Mar 26, 1996
Issued Date -
N/A
app pub date -
Jul 18, 1994
filing date -
May 9, 1989
priority date (Note) -
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Abstract
A high efficiency leucocyte-depletion filter for use with packed red cell concentrate derived from freshly drawn blood comprises a fibrous filter medium with a pore size of from about 0.5 to less than 3.6 .mu.m and a CWST of from 53 to about 80. The filter is preferably used in conjunction with a gel prefilter and, optionally, a microaggregate filter so as to minimize clogging. In a preferred embodiment, the voids volume is about 60% to about 85%.
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