Dialyzer cartridge of roll type particularly for extracorporal a

Details Dialyzer cartridge of roll type particularly for extracorporal a Dialyzer cartridge of roll type particularly for extracorporal a

1975-04-07

1977-11-22

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210494M, B01D 3100

Patent

active

040595307

ABSTRACT:
A dialyzer cartridge of roll type particularly suitable for artificial kidneys, comprising two layers of strip form facing each other and a dialyzing membrane arranged between the layers. The layers and the membrane are wound in spiral form. The layers are provided with projections uniformly distributed thereon and defining top portions which are mutually aligned over the surface of the layers. Grooves are defined between the projections to allow the passage of a dialyzing liquid, the grooves of the first layer forming an angle with the grooves of the second layer such that the two facing layers contact by interposition of the membrane only on a part of the top portions of the projections, thus avoiding embedding of the layers and obstructions for the passage of the dialyzing liquid.

REFERENCES:
patent: 3077268 (1963-02-01), Gobel et al.
patent: 3687293 (1972-08-01), Carter
patent: 3709367 (1973-01-01), Martinez
patent: 3753712 (1973-08-01), Janneck et al.
patent: 3960730 (1976-06-01), Miller

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