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US 4,660,721 AGranted
Sterilization package
AssigneeCVP Systems, Inc.
InventorLaurie G. Mykleby
Life of this patent
Estimating the term…
Abstract
Multi-layer sterilization package and process for sterilizing equipment wherein items are placed in the multi-layer sterilization package which is adapted for use with a snorkel-type gas treatment apparatus; substantially all gas is withdrawn from the interior of the package; sterilization gas is injected into the interior and retained for a time sufficient to sterilize the equipment; sterilization gas is withdrawn from the package; and a cushioning gas is introduced into the package. The package is sealed to retain the cushioning gas, providing for effective gas leak detection.
Claims8
A multi-layer sterilization package comprising:
- a first flexible, sealable, gas impermeable layer;
- a second flexible, sealable, gas impermeable layer smaller than said first layer and hermetically sealed to said first layer along a substantial portion of its perimeter to form an accessible interior space between said first and second layers, one end of said second layer remaining unsealed;
- a third flexible, sealable, gas permeable, organism impervious layer hermetically sealed at least to said unsealed end of said second layer to retain said accessible interior space, at least one end of said third layer remaining unsealed;
- a fourth flexible, sealable, gas impermeable layer hermetically sealed to and overlaying said third layer, at least one end of said fourth layer remaining unsealed.
1 more element
Dependencies are inferred from the claim text.