Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1977-05-23
1979-11-06
Spear, Jr., Frank A.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
210323R, 264237, 264331, 264348, B01D 3100
Patent
active
041735374
ABSTRACT:
An integral artificial kidney unit is formed of four opposed plastic sheets bonded together, the composition of the inner second pair of opposed thin sheets being selected for their high permeability to waste products which are required to be dialyzed from patient blood. The inner second pair of plastic sheets are bonded together in a sealed pattern providing an integral perfusion unit. The outer first pair of plastic sheets are bonded at their exterior edges forming a dialyzate chamber and also are bonded to a blood inlet port and a blood outlet port of the enclosed integral perfusion unit. More than one perfusion unit can be interconnected in parallel to a common blood inlet port and a common blood outlet port, and all are disposed inside the dialyzate chamber. An integral perfusion unit has a single blood inlet port symetrically disposed and interconnected to a blood inlet manifold, and the inlet manifold is disposed across and interconnected to multiple parallel blood tubules having small diameters. The blood outlet manifold is disposed across and interconnected to the termini of the multiple blood tubules opposed to the tubule termini interconnected to the blood inlet manifold. A blood outlet port is interconnected to the blood outlet manifold at the manifold section opposed to the tubule termini.
The dialyzate chamber has a dialyzate inlet port and outlet port disposed to provide a uniform flow of dialyzate solution over the exterior face of the one or more integral perfusion units disposed inside the chamber.
A fabrication process for an integral artificial kidney unit is taught.
REFERENCES:
patent: 3490523 (1970-01-01), Esmond
patent: 3616927 (1971-11-01), Muir
patent: 3660280 (1972-05-01), Rogers
patent: 3746175 (1973-07-01), Markley
patent: 3997386 (1976-12-01), Oshida et al.
Newhart, deceased Earle E.
Newhart, executor by Ruth
Jones, Sr. J. L.
Spear, Jr. Frank A.
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