Gas diffusion liquid storage bag and method of use for storing b

Details Gas diffusion liquid storage bag and method of use for storing b Gas diffusion liquid storage bag and method of use for storing b

1976-06-28

1979-01-02

Richman, Barry S.

Textiles: fiber preparation

422 41, 422 48, 55158, 128214D, 128272, 150 1, 206439, 210DIG23, A61M 103, A61J 100, B65D 8124, B65D 8100

Patent

active

041325940

ABSTRACT:
It has been found that the shelf life of stored whole blood may be doubled by adding a buffer which maintains a desired pH level. However, this buffer causes the generation of CO.sub.2 which, if not removed at a controlled rate, causes the pH value of the blood to decrease, which shortens the useful life of the blood. This invention provides a blood storage bag which permits the CO.sub.2 to be diffused out at a controlled rate into the atmosphere, thereby maintaining the desired pH value while providing a bag strong enough to permit handling thereof.

REFERENCES:
patent: 3010536 (1961-11-01), Plurien et al.
patent: 3060934 (1962-10-01), Claff et al.
patent: 3424218 (1969-01-01), Vanderby et al.
patent: 3442002 (1969-05-01), Geary et al.
patent: 3445321 (1969-05-01), Groves
patent: 3489647 (1970-01-01), Kolobow
patent: 3874384 (1975-04-01), Deindoerfer et al.
patent: 3953329 (1976-04-01), Updike

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