Monofilament spacing of hollow fiber membranes and blood...

Details Monofilament spacing of hollow fiber membranes and blood... Monofilament spacing of hollow fiber membranes and blood...

B - Operations, Transporting

01

D

B01D 69/08 (2006.01) A61M 1/16 (2006.01) B01D 63/02 (2006.01)

Patent

CA 2191438

Disclosed are improved hollow fiber semipermeable membranes having monofilamentous spacer members spirally disposed or formed on the outer surface thereof, and extracorporeal blood treatment devices incorporating such improved hollow fiber membranes. Also disclosed are methods for manufacturing the hollow fiber membranes and a continuous method for manufacturing a blood processing apparatus which incorporates the hollow fiber membranes.

L'invention se rapporte à des membranes semi-perméables, fibreuses creuses et améliorées qui possèdent des éléments d'écartement monofilamenteux, disposés en spirale ou formés sur la surface externe de ces membranes, ainsi que des dispositifs extracorporels de traitement du sang comprenant ces membranes fibreuses creuses améliorées. L'invention se rapporte également à des procédés de fabrication des membranes fibreuses et creuses ainsi qu'à un procédé continu de fabrication d'un appareil de traitement du sang comprenant les membranes fibreuses et creuses.

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