Porous hollow fiber membrane, method for production thereof,...

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18/15, 128/81.2

B01D 69/08 (2006.01) A61M 1/18 (2006.01) B01D 71/26 (2006.01) C01B 13/02 (2006.01) C08J 9/26 (2006.01) D01D 5/22 (2006.01) D01D 5/24 (2006.01) D01F 6/06 (2006.01)

Patent

CA 1324470

ABSTRACT OF THE DISCLOSURE The present invention is directed to a hydrophobic porous hollow fiber membrane possessing an inside diameter in the range of 150 to 300 microns, a wall thickness in the range of 10 to 150 microns, and a substantially circular cross section, which porous hollow fiber membrane possesses an average crimp amplitude in the range of 35 to 120% of the outside diameter, a maximum crimp amplitude/crimp half cycle period at maximum crimp amplitude ratio in the range of 0.01 to 0.1, and a crimp ratio in the range of 1.0 to 3.0%, a method for the production thereof, and an oxygenator using the same.

581450

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