Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1981-04-08
1982-09-21
Sadowski, David R.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210641, 210651, 210110, 210137, 210259, 210295, 2104332, B01D 1300, B01D 3100
Patent
active
043505945
ABSTRACT:
The invention provides a blood treatment apparatus realizing double-step-membrane filtration, namely separation of blood into plasma and a corpuscular fraction and separation of high-molecular-weight substances (e.g. gamma-globulin) in the plasma from low-molecular-weight substances (e.g. albumin). A method of treating blood is also provided.
The apparatus and method are effective e.g. in the treatment of blood of patients with peripheral circulatory insufficiency due to arteriosclerosis and of patients with rheumatoid arthritis, which is an autoimmune disease.
REFERENCES:
patent: 3579441 (1971-05-01), Brown
patent: 3946731 (1976-03-01), Lichtenstein
Pasternack, A., "Engineering Aspects of Artificial Kidney Development and Operation", Intern. Chem. Eng., vol. 16, No. 1, Jan. 1976, pp. 1-10.
Abe Michio
Kawai Syuji
Ono Toshihiko
Yamane Tadayuki
Yamauchi Shuji
Kawasumi Laboratories Inc.
Kramer Barry
Kuraray Co. Ltd.
Sadowski David R.
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