Spiral-shaped dialysis and ultrafilter device, especially for ex

Details Spiral-shaped dialysis and ultrafilter device, especially for ex Spiral-shaped dialysis and ultrafilter device, especially for ex

1979-06-07

1981-06-02

Hart, Charles N.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

2104941, B01D 3100

Patent

active

042710235

ABSTRACT:
An improved dialyzing and ultrafiltering device is disclosed, for extracorporeal blood dialysis, the main improvement comprising a more efficient connection means, a net for supporting the dialyzing membrane having a rectangular mesh-pattern with the weft threads of the net having an undulated arrangement. Improved means are disclosed for the assemblage of the apparatus and for ensuring reliable sealtightness.

REFERENCES:
patent: 3060934 (1962-10-01), Claff et al.
patent: 3469372 (1969-09-01), Yamauchi et al.
patent: 3489647 (1970-01-01), Kolobow
patent: 3508662 (1970-04-01), Miller
patent: 3709367 (1973-01-01), Martinez
patent: 3743098 (1973-07-01), Martinez
patent: 3880759 (1975-04-01), Van Assendelft
patent: 3892664 (1975-07-01), Van Assendelft
patent: 4035305 (1977-07-01), Miller et al.
patent: 4116841 (1978-09-01), Borsanyi
patent: 4128479 (1978-12-01), Malchesky et al.
"Polymetrics Reverse Osmosis", Polymetrics, Inc., San Carlos, Calif., 9/1970.

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