Dialyzer with a constricted part made of a material capable of swelled by dializing liquid
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United States of America Patent
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Dec 23, 1997
Grant Date -
N/A
app pub date -
Sep 1, 1995
filing date -
Sep 2, 1994
priority date (Note) -
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Abstract
A dialyzer provided in a cylindrical housing with a bundle of hollow fiber membranes and first flow paths and second flow paths separated from each other by said hollow fiber membranes and allowed to effect dialysis and ultrafiltration through the medium of said hollow fiber membranes between a body liquid flowing through said first flow paths and a dialyzing liquid flowing through said second flow paths, characterized in that a constricted part is formed halfway in the length of said second flow paths with a material capable of being swelled by said dialyzing liquid so as to confer a difference of pressure on said dialyzing liquid on the upstream side and the downstream side of said dialyzing liquid relative to said constricted part.
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