Hollow fiber membrane for an artificial lung

Details Hollow fiber membrane for an artificial lung Hollow fiber membrane for an artificial lung

1986-07-10

1988-09-13

Apley, Richard J.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

12820528, 128DIG3, 21050036, 21032172, 623 12, 623 66, A61M 114, A61M 134, A61M 136

Patent

active

047708522

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.

REFERENCES:
patent: 4127625 (1978-11-01), Arisaka et al.
patent: 4239729 (1980-12-01), Hasegawa et al.
patent: 4355426 (1982-10-01), MacGregor
patent: 4374802 (1983-02-01), Fukasawa
patent: 4550447 (1985-11-01), Seiler, Jr. et al.

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