Low temperature plasma sterilising system and method
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United States of America Patent
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Mar 16, 2004
Grant Date -
N/A
app pub date -
Mar 19, 2002
filing date -
May 28, 1999
priority date (Note) -
Expired
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Abstract
A system and a method for sterilizing objects, in particular medical instruments and accessories, using gas plasma, also called ionized gas. The gases used to form the plasma do not require to exhibit an intrinsic sterilizing activity. The sterilizing properties result from the passage through an electric field generating the plasma, an electric field which is provided by microwaves, a gas stream including oxygen in molecular form (O.sub.2) or as a gas element, and atomic or molecular species capable of emitting UV radiation once they have been energized. The system and method provide the advantage of making it possible to treat heat-sensitive and thermolabile objects at temperatures less than 50.degree. C. using gases presenting no risks for the operator.
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