Apparatus for extracorporeal blood or plasma treatment comprising a wet semi-permeable membrane and methods for making the same
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United States of America Patent
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Jul 18, 2006
Grant Date -
Jun 5, 2003
app pub date -
Dec 3, 2001
filing date -
Dec 8, 2000
priority date (Note) -
Expired
status (Latency Note)
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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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