Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2006-07-18
2006-07-18
Fortuna, Ana (Department: 1723)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S321710, C422S001000, C422S020000, C422S028000, C422S040000
Reexamination Certificate
active
07077961
ABSTRACT:
The present invention relates to a device for the extracorporeal treatment of blood or plasma, comprising two compartments, one compartment intended for circulating blood or plasma, and one compartment intended for circulating spent liquid, separated by a wet semi-permeable membrane, characterized in that the device has, before and after sterilization, the following technical characteristics:the membrane is impregnated with an aqueous glycerol solution;the aqueous glycerol solution contains from 7% to 15% by weight of glycerol and is free of toxic chemical compounds;the two compartments are purged of the aqueous glycerol solution.The present invention also relates to processes for manufacturing this device.
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Fortuna Ana
Hospal Industrie
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