Lymph filtration system

Details Lymph filtration system Lymph filtration system

1981-08-10

1983-10-25

Spear, Jr., Frank A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

2101952, 210411, 2104332, 604 5, 604 30, B01D 3100, B01D 1300

Patent

active

044117922

ABSTRACT:
A lymphapheresis or lymph filtration system is disclosed for removing lymph from a patient, separating the lymph into a liquid fraction and a cellular component fraction and returning the liquid fraction to the patient. The system includes an input pump to pump lymph from the patient into a filtration cell having a membrane which filters the lymph into fractions. The liquid fraction is removed from the cell by a reversible pump and is returned to the patient. As the membrane becomes plugged the reversible pump is reversed to backflush the membrane to return it to a high filtration rate. The cellular component fraction which includes lymphocytes is disposed of.

REFERENCES:
patent: 3429444 (1969-02-01), Spiegel et al.
patent: 3511238 (1970-05-01), Von Wrangell
patent: 3556302 (1971-01-01), Agranat
patent: 3579441 (1971-05-01), Brown
patent: 3705100 (1972-12-01), Blatt et al.
patent: 4002567 (1977-01-01), Konno et al.
patent: 4083786 (1978-04-01), Tsuda et al.
patent: 4086924 (1978-05-01), Latham, Jr.
patent: 4191182 (1980-03-01), Popovich et al.
patent: 4243532 (1981-01-01), Tsuda et al.
Solomon et al., "Continuous Flow Membrane Filtration of Plasma from Whole Blood", from Trans. Am. Soc. Artif. Inter. Organs, vol. XXIV, 1978, pp. 21-26.

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