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MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal)
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5.3 Cleaning Instructions
5.3.1 MR850 Humidifiers
It is recommended that only the following cleaners be used on the MR850 as at the time of
revision of this technical manual. The disinfectants in the list below have been tested to ensure
that no damage will result to the outer plastic or metal components of the humidifier.
1. Disconnect the humidifier from any electrical outlet.
2. Clean the humidifier with one of the following recommended disinfectants using a damp
cloth:
Isopropyl Alcohol
Normal dishwashing detergent
NOTE: Follow the manufacturer’s instructions carefully.
Use the correct dilution of the disinfectant.
DO NOT immerse the humidifier in any liquid.
3. Wipe the humidifier clear of any cleaning residues before use.
5.3.2 Temperature Flow Probe
The cleaning methods listed below meet the FDA regulations for these types of devices, and do
not affect the integrity or performance of the probe. It is the user’s responsibility to qualify any
deviations from these procedures, both for disinfecting efficacy and physical effect on the probe.
For advice on other cleaning methods not mentioned here, contact your local Fisher and Paykel
Healthcare distributor.
NOTE: Refer also to the disinfection instructions on the instruction sheet for the airway
temperature probe, Ref 185042434.
1. Physically clean the probes, removing all visible contaminants.
2. Disinfect the probes with one of the following solutions:
Sporicidin; Sporox; Cidex; Cidex OPA
OR Sterilise the probe using Ethylene Oxide sterilisation at 55 °C (131 °F), 80 kPa,
allow at least 15 hours for residual ETO to disperse before use.
NOTE: Follow the manufacturer’s instructions carefully. Use the correct dilution of the
disinfectant.
CAUTION:
DO NOT immerse the black electrical connector plug in disinfectant.
DO NOT autoclave probes.
DO NOT use dishwater detergents or solvents.
3. Wipe the airway temperature probes clear of any cleaning residues before use.
4. Store in clean conditions.
Cidex is a registered trademark of Johnson & Johnson Medical Pty. Ltd. North Ryde, NSW, Australia.
Sporicidin is a registered trademark of Sporicidin International Ltd, Rockville, MD 20852, USA.
Sporox is a registered trademark of Reckitt & Colman Inc. 1655 Valley Rd. Wayne NJ USA