Importance

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Abstract

The present invention provides a flow-through system for use with at least one sealable pressure or nonpressure container. The system can be used to selectively sterilize, humidify and aerate the container and can be integrally or releasably attached to the container. The system includes at least one liquid reservoir for holding a sterilant, such as an aqueous solution of hydrogen peroxide. A second liquid reservoir for holding water for humidification may be provided. The system also includes a unit which houses a heater for vaporizing incoming liquid and optionally heating incoming air and a converter for converting selected vapors to a form suitable for disposal. A vacuum motor draws air from the container to reduce pressure therein so that air from an air supply is drawn through an air filter into the heater and into the container. A substantial portion of the withdrawn air from the container is diverted to the converter. The reduced pressure in the container may be sufficient for urging liquid from the reservoir to the heater where the liquid is vaporized and carried by the stream of air into the container. Alternatively, a remaining portion of withdrawn air may be used to exert pressure within the liquid reservoir to urge the liquid to the heater. Valves are provided to selectively control liquid flow to the heater.

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First Claim