A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
26/111, 128/81.2
A61M 1/00 (2006.01) B01D 61/38 (2006.01) B01D 63/02 (2006.01)
Patent
CA 1235621
ABSTRACT OF THE DISCLOSURE A hollow fiber membrane type artificial lung and a method for the manufacture thereof. The artificial lung comprises a housing, a hollow fiber bundle positioned in the housing and formed of a multiplicity of gas-exchange hollow fiber membranes, a first fluid chamber defined by the exter- nal surfaces of the hollow fiber membranes and the internal surface of the housing, a first fluid inlet and a first fluid outlet both communicating with the first fluid chamber, partitions supporting in place the opposite ends of the hollow fibers and provided at the inner face of the housing, and a second fluid inlet and a second fluid outlet allowed to communicate with the empty spaces inside the hollow fiber membranes, which artificial lung is character- ized by the fact that the hollow fiber membranes are produced by causing porous hollow fiber substrates which have through micropores distributed in the walls thereof to be treated with silicone oil so that the silicone oil will block up the micropores without forming a silicone oil layer on the internal surfaces of the walls of the porous hollow fiber substrates.
451530
Fukasawa Hiromichi
Hagiwara Kazuhiko
Katsura Yoshiro
Macrae & Co.
Terumo Kabushiki Kaisha Trading As Terumo Corporation
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