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US 2010/0166603 A1Published application
Powder Sterilization
AssigneeNoxilizer, Inc.
InventorDavid OPIE
Life of this patent
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Abstract
A system for sterilizing a powder includes a device for agitating the powder during application of a sterilizing gas including nitrogen dioxide and humidity. A related method includes agitating the powder while applying the sterilizing gas.
Claims16
A method of sterilizing a powdered material comprising:
- placing the powdered material in a sterilization chamber;
- exposing the powder to nitrogen dioxide gas in the sterilization chamber at substantially room temperature, wherein the exposing includes controlling a concentration of nitrogen dioxide gas to which the powder is exposed;
- and
- during the exposing, agitating the powder, wherein the agitating the powder includes controlling an amount and duration of the agitating.
1 more element
A method as in claim 4, wherein the diluent gas comprises a gas selected from the group consisting of:
- dry air, humidified air, water vapor, nitrogen gas and combinations thereof.
A vial for use in a gas-exposure process, comprising:
- a substantially tubular body member having an opening at one end;
- a seal, the seal configured to close the opening and including a self-healing portion and a gas-permeable portion, the gas-permeable portion being permeable to a gas used in the gas exposure process.
A device for sterilizing a powder comprising:
- a process chamber;
- an agitation device, configured and arranged to agitate the powder within the process chamber during the sterilizing;
- and
- a gas supply, configured and arranged to provide a nitrogen dioxide gas to the process chamber in a controlled amount.
1 more element
Dependencies are inferred from the claim text.