Conforming to EN 285 and EN 867-3, the Bowie-Dick Test is a diagnostic visual test performed to ensure the dynamic-air-removal system (Vacuum system) of a steam sterilizer is effective in removing any air that may be trapped or leaked into the sterilization chamber.
Air trapped in the sterilizer chamber affects the ability of steam to penetrate the load (wrapped instruments).
Bowie-Dick test uses a colour change pattern to determine that air is properly removed from the chamber.
The test must be done before the pre-vacuum cycle and after the conditioning phase. If at the end of the cycle, there is a uniform color change of the test sheet, the test is considered passed.
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