Membrane type artificial lung and method for manufacture...

Details Membrane type artificial lung and method for manufacture... Membrane type artificial lung and method for manufacture...

A - Human Necessities

61

M

128/81.2, 117/88

A61M 1/16 (2006.01) A61L 27/00 (2006.01) A61L 33/06 (2006.01) A61M 1/18 (2006.01) B01D 67/00 (2006.01) B01D 69/14 (2006.01) C08J 7/04 (2006.01) C08J 9/36 (2006.01)

Patent

CA 1280042

ABSTRACT OF THE DISCLOSURE In a membrane type artificial lung using as gas-exchange membranes porous hydrophobic membranes having a wall thickness in the range of 5 to 80µ m, a porosity in the range of 20 to 80%, and a pore diameter in the range of 0.01 to 5 µm, the minute pores of the membranes are blocked with minute particles having a diameter smaller than the pore diameter and having a hydrophobic surface at least on the sides thereof intended for exposure to blood. Optionally, the gas-exchange membranes have the surfaces for exposure to blood coated with a biocompatible hydrophobic resin.

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