Whole blood and platelet leukocyte filtration apparatus
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United States of America Patent
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Apr 20, 1999
Issued Date -
N/A
app pub date -
Dec 5, 1997
filing date -
Apr 13, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for selectively removing leukocytes from a suspension which also contains platelets, such as a platelet concentrate or whole blood. The method includes passing the suspension through a filter which includes a polysaccharide-type coating. The coating may include one or more of hydroxypropylmethyl cellulose, hydroxybutylmethyl cellulose, dextran and hydroxyethyl starch. Also provided is a filter for selectively removing leukocytes from a suspension which also contains platelets. The filter includes a substrate which is coated with a polysaccharide-type composition.
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