Cleaning treatment for blood compartments of dialyzators

Details Cleaning treatment for blood compartments of dialyzators Cleaning treatment for blood compartments of dialyzators

1985-11-25

1987-06-16

Hruskoci, Peter

Liquid purification or separation

Processes

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

134 26, 2103213, 422 22, 422 26, 422 34, B01D 1304

Patent

active

046735062

ABSTRACT:
A cleaning treatment is disclosed for the blood compartments of dialyzators which is effected still in the preparation stage. The dialyzators contain membranes of cellulose in the form of hollow filaments, tubes or flat foils. The cleaning treatment embraces the following measures:
washing with water or aqueous solutions and evacuation of the compartments, then filling with a mixture of water, glycerin and alcohol and drying after a renewed evacuation--or, filling with water or aqueous solutions and subsequently closing the entrance and exit of the blood compartment. As a third measure, the compartments are sterilized with gamma radiation and/or ethylene oxide and/or superheated steam.

REFERENCES:
patent: 3871913 (1975-03-01), Shaldon
patent: 4166031 (1979-08-01), Hardy
patent: 4176070 (1979-11-01), Sakurada et al.
patent: 4176156 (1979-11-01), Asanuma et al.
patent: 4411866 (1983-10-01), Kanno
patent: 4588407 (1986-05-01), Isono et al.

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