Blood exchange apparatus

Details Blood exchange apparatus Blood exchange apparatus

1980-04-21

1986-10-14

Spear, Frank

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

2104931, B01D 1300

Patent

active

046171193

ABSTRACT:
The present blood exchange device comprises a plurality of membrane film layers formed by folding a continuous band of a suitable membrane film into a plurality of continuous folds and by inserting sealing masks around the edges of the folds. Apertures are provided, preferably at the corners of the folded package in such a manner that one set of apertures communicates with one set of chambers while another set of apertures communicates with another set of chambers formed between the folds of the membrane film layers. The chambers of one set alternate with the chambers of the other set.

REFERENCES:
patent: 3396849 (1968-08-01), Lande et al.
patent: 3738495 (1973-06-01), Esmond
patent: 3780870 (1973-12-01), Esmond
patent: 4261830 (1981-04-01), Schael et al.

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