Hollow fiber membrane for an artificial lung
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United States of America Patent
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-
Sep 13, 1988
Grant Date -
N/A
app pub date -
Jul 10, 1986
filing date -
Jul 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A porous polypropylene hollow fiber membrane of a circular cross section 150 to 300 .mu.m in inside diameter and 10 to 150 .mu.m in wall thickness for use in an artificial lung, which hollow fiber membrane is characterized by having an inner surface aperture ratio in the range of 10 to 30%, a porosity in the range of 10 to 60%, and an oxygen flux in the range of 100 to 1,000 liters/min.m.sup.2.atm. and inducing no leakage of blood plasma within 20 hours use in the external circulation of blood therethrough.
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