Process for sterilization with liquid sterilant using controlled

Details Process for sterilization with liquid sterilant using controlled Process for sterilization with liquid sterilant using controlled

1997-07-09

1998-12-22

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

422 28, 422 27, 422292, A61L 200, A61L 216

Patent

active

058514856

ABSTRACT:
A method for sterilizing a device, includes the following steps: contacting the device with liquid sterilant outside or inside a sterilization chamber at a first pressure, placing the device in the chamber before or after the contacting step, and decreasing the pressure of the chamber to a second pressure below the vapor pressure of the liquid sterilant. At least the decrease in pressure below about the vapor pressure of the liquid sterilant occurs at a pumpdown rate of less than 0.8 liters per second, calculated based on the time required to evacuate the chamber from atmospheric pressure to 20 torr when the chamber is empty and dry.

REFERENCES:
patent: 4169123 (1979-09-01), Moore et al.
patent: 4169124 (1979-09-01), Forstrom et al.
patent: 4643876 (1987-02-01), Jacobs et al.
patent: 4943414 (1990-07-01), Jacobs et al.
patent: 4952370 (1990-08-01), Cummings et al.
patent: 5492672 (1996-02-01), Childers et al.
patent: 5656238 (1997-08-01), Spencer et al.

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