B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 69/08 (2006.01) B01D 71/06 (2006.01) D01D 5/24 (2006.01)
Patent
CA 2506229
The present invention relates to a membrane being suitable for, for example, hemodialysis. Said membrane comprises at least one hydrophobic polymer and at least one hydrophilic polymer. According to the present invention the outer surface of the hollow fiber has pores in the range of 0,5-3 ~m and the numbers of said pores in the outer surface are in the range of 10, 000 to 150, 000 pores per mm2, preferably in the range of 18, 000 to 100, 000 pores per mm2, and most preferably in the range of 20, 000 to 100, 000 pores per mm2. The present invention further relates to a process for the preparation of said membrane and use of said membrane in hemodialysis, hemodiafiltration and hemofiltration, and in dialysis and filtration in general, for example in water purification or dehydration.
La présente invention concerne une membrane convenant, par exemple, à l'hémodialyse. Cette membrane comporte au moins un polymère hydrophobe et au moins un polymère hydrophile. Selon la présente invention la surface externe de la fibre creuse a des pores allant de 0,5 à 3 µm et les nombres des pores dans la surface externe sont dans une plage allant de 10, 000 à 150, 000 pores par mm2, de préférence dans la plage de 18, 000 à 100, 000 pores par mm2 et mieux dans la plage de 20, 000 à 100, 000 pores par mm2. La présente invention concerne en outre un procédé de fabrication de cette membrane et son utilisation en hémodialyse, en hémodiafiltration et en hémofiltration, et dans la dialyse et la filtration en général, par exemple dans la purification d'eau ou la déshydratation.
Buck Reinhold
Goehl Hermann
Gambro Lundia Ab
Robic
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