GE Analytical Instruments ©2006 7-10 DML 14291 Rev. A
• Unscrew the inhalation tube, remove the diaphragm from the valve body and
remove the inhalation diaphragm from its ring.
• Do not remove the Luer adapters from the modified mouth tube or exhalation
port.
Prewash the Components
Use a mild detergent and water to clean the components. Metrizyme™, a
proteolytic enzymatic detergent from Metrex Research Corporation, can also be
used. Rinse thoroughly with warm water.
Sterilization
The following glutaraldehyde solutions are recommended by the valve’s
manufacturer.
Cidex™, Cidex 7™ (Surgikos, Inc.)
Metricide™, Metricide 28™ and ColdSpor™ (Metrex Research Corp.)
Glutarex™ (3M Company)
Follow the manufacturer’s instructions for sterilization. Glutaraldehyde is also
available in spray form for spot decontaminations.
Rinsing
After sterilization, rinse all parts thoroughly with warm water.
Drying
A thorough drying is a necessity using a heated chamber to prevent bacterial
growth. Do not exceed 45 °C (113 °F) when drying the components.
After drying, inspect all components to ensure that they are free from residue, not
deformed or cracked. Reassemble the components by:
• Placing the diaphragms back on their rings, making sure the flange is seated in
the ring groove.
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