Membrane fluid transfer method and apparatus

Details Membrane fluid transfer method and apparatus Membrane fluid transfer method and apparatus

1978-10-13

1980-04-01

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 23R, 210185, 210349, 210321B, 422 48, A61M 103, B01D 1300, B01D 3100

Patent

active

041960750

ABSTRACT:
A method and apparatus for fluid transfer across a membrane wherein transfer fluid is passed through the interior of a wrapped, permeable, flattened, tubular membrane and fluid to be processed is passed through passageways formed between the wrappings of the tubular membrane. The exhaustion of transfer fluid begins at the completion of a process fluid pumping stroke and ends at the initiation of the pumping stroke. In a preferred embodiment the method and apparatus are utilized to oxygenate blood.

REFERENCES:
patent: Re27510 (1972-10-01), Hoeltzenbein
patent: 3332746 (1967-07-01), Claff et al.
patent: 3489647 (1970-01-01), Kolobow
patent: 3515640 (1970-06-01), Rudlin
patent: 3615024 (1971-10-01), Michaels
patent: 3927981 (1975-12-01), Viannay et al.
patent: 3934982 (1976-01-01), Arp
patent: 3998593 (1976-12-01), Yoshida et al.
patent: 4094792 (1978-06-01), Bentley
"A New Disposable Memb. Oxygenator with Integral Heat Exchange" Bramson et al., Journ. of Thoracic and Card. Surgery, vol. 50, #3, 9/1965.

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