Artificial lung and method of using it
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United States of America Patent
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Mar 9, 1993
Issued Date -
N/A
app pub date -
Feb 23, 1990
filing date -
Jul 11, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A membrane-type artificial lung adapted to perform exchange of gases between blood and a gas through a membrane by passing blood over one side of the membrane and oxygen or an oxygen-containing gas over the other side, said membrane being a hollow fiber membrane which is composed mainly of a polyolefin, has an inside diameter of 10 to 500 micrometers, a thickness of 5 to 100 micrometers, a porosity of 7 to 50% and an oxygen flux, Q(O.sub.2), of at least 1.times.10.sup.-6 [cm.sup.3 (STP)/(cm.sup.2.sec.cmHg)] and is substantially impermeable to ethanol.
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