Plasma-enhanced vacuum drying

Details Plasma-enhanced vacuum drying Plasma-enhanced vacuum drying

A - Human Necessities

61

L

A61L 2/14 (2006.01) A61L 2/20 (2006.01) F26B 5/00 (2006.01) F26B 5/04 (2006.01)

Patent

CA 2160208

A plasma-enhanced vacuum drying method is disclosed. It is advantageously applied in plasma sterilization processes in particular, and represents a significant improvement for general evacuation drying methods. Articles to be sterilized are placed in a sealed chamber and the chamber is evacuated. A plasma of residual gas species is generated in the chamber during an initial evacuation step. This promotes drying of the articles and advantageously allows a desired pressure to be attained more quickly than without the plasma. Sterilizing gas is injected into the chamber, and a second plasma is generated to activate the sterilizing gas plasma, thereby sterilizing the articles in the chamber.

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