Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1974-05-16
1976-10-12
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
039856550
ABSTRACT:
An extracorporeal, disposable, low-prime dialyzer coil for use in a variety of artificial kidney systems which includes a length of porous material supporting the tube of membrane material in a generally flattened and rolled up configuration. The length of porous material has an average thickness along its edge portions which is no greater than the average thickness along its mid-portion, and has an embossed configuration on one side while the other side is relatively smooth. The porous material is rigidized thermoplastic or thermosetting material, composed for instance of sintered granules or foamed open cells, with a majority of the pores or openings communicating with the surface to insure full dialysate flow against the membrane material. The porous support material is useful in a wide variety of coil designs, including coils adapted for operation with recirculating artificial kidney systems, with non-recirculating systems, or with systems combining recirculation with fresh dialysate addition.
REFERENCES:
patent: 3077268 (1963-02-01), Gobel et al.
patent: 3357565 (1967-12-01), Burger
patent: 3712474 (1973-01-01), Martinez
patent: 3724673 (1973-04-01), Ryon
patent: 3738813 (1973-06-01), Esmund
Extracorporeal Medical Specialties Inc.
Spear, Jr. Frank A.
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