Embossed support for dialyzer membrane

Details Embossed support for dialyzer membrane Embossed support for dialyzer membrane

1974-09-26

1976-06-01

Granger, Theodore A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210494M, 210321B, 2104971, B01D 3100

Patent

active

039607305

ABSTRACT:
An extracorporeal, disposable, dialyzer for use in a variety of artificial kidney or other mass transfer systems, which includes a sheet of support material rolled up in a spiral with a flattened tube of membrane material, the sheet of support material includes a large number of embossments protruding from each side thereof and arranged in similar geometrical patterns which are angularly off-set with respect to each other so that the summits of the embossments on one side are spaced apart differently along any given directional line than the directly opposed summits of the embossments on the other side, thus when the sheet of support material is rolled up in a spiral the summits of the embossments avoid interdigitation which would substantially occlude the blood passage formed by the tube of membrane material.

REFERENCES:
patent: 2816665 (1957-12-01), Layte et al.
patent: 3508662 (1970-04-01), Miller
patent: 3738813 (1973-06-01), Esmond
patent: 3753712 (1973-08-01), Jamneck et al.
patent: 3796313 (1974-03-01), Luppi
patent: 3813334 (1974-05-01), Bray
patent: 3852198 (1974-12-01), Murakami
patent: 3853769 (1974-12-01), Miller

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