Treatment of liquid including blood components
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United States of America Patent
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-
Nov 6, 1990
Grant Date -
N/A
app pub date -
May 18, 1988
filing date -
May 18, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of removing a constituent of a biological fluid including a blood component, said method including flowing the biological fluid past one side of a first semipermeable membrane; flowing solution containing a first precipitation agent past a second side of the membrane so as to cause transfer of the precipitation agent through the membrane to the biological fluid so as to improve precipitation characteristics of the fluid; and precipitating the constituent from the biological fluid. Also disclosed are maintaining a lower pressure in a biological fluid in a dialyzer than in dialysate at all portions of a membrane in the dialyzer and adding a continuously flowing stream of concentrated precipitation agent to a continuously flowing stream of a biological fluid.
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