Blood separation filter assembly and method
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United States of America Patent
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-
Aug 18, 1992
Grant Date -
N/A
app pub date -
Mar 26, 1991
filing date -
Mar 26, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Blood separation filter assemblies and methods are provided to quickly and completely separate plasma or serum from whole blood without the need of centrifugation. The filter assemblies and methods have filter materials of a predetermined thickness which are maintained under positive pressure during use. The filter materials have at least one layer of glass fibers having an average fiber diameter ranging from 0.2 .mu.m to 7.0 .mu.m and which are compressed at least 25% in thickness.
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