Device and methods for plasma sterilization

Details Device and methods for plasma sterilization Device and methods for plasma sterilization

1994-12-29

1997-05-27

Schain, Howard E.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

219678, 20415715, 20415743, 2041582, 20415821, 204164, A62D 300

Patent

active

056334249

ABSTRACT:
The invention provides methods and apparatus for sterilizing articles. According to one exemplary method, at least one article is placed into a chamber and a vacuum is applied to the chamber. After the pressure within the chamber is sufficiently reduced, water vapor is introduced into the chamber and electromagnetic radiation energy is applied to produce a plasma. In one particularly preferable aspect, the chamber is allowed to reach a static condition before the water vapor is introduced. In this way, the water vapor is able to equally distribute itself throughout the volume of the chamber so that an equally distributed plasma can be produced upon application of the electromagnetic radiation energy.

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patent: 4976920 (1990-12-01), Jacob
patent: 5115166 (1992-05-01), Campbell et al.
patent: 5171525 (1992-12-01), Jacob
patent: 5184046 (1993-02-01), Campbell
patent: 5200158 (1993-04-01), Jacob
patent: 5223231 (1993-06-01), Drake
patent: 5325020 (1994-06-01), Campbell et al.

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