4 Maintenance
4.1
General maintenance procedures
The performance and safety of the instrument will be kept if the following recommendations for care and
maintenance are observed:
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The instrument must go through at least one annual overhaul, to ensure that the acoustical,
electrical and mechanical properties are correct. This should be made by an authorised
technician in order to guaranty proper service and repair as Interacoustics provides the
necessary circuit diagrams etc. to these technicians.
To ensure that the reliability of the instrument is kept, it is recommended that the operator
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perform a test on a person with known data, on regular intervals (for instance, once a week). This
person could be the operator him/herself.
After each examination of a patient, it should be ensured that there is no contamination on the
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equioment and accessories that come into contact with the patient. General precautions must be
observed in order to avoid that transmission of infections and diseases between patients.. If ear
cushions or ear tips are contaminated, it is strongly recommended to remove them from the
transducer before they are cleaned. To prevent the spread of infections, usage of disinfectants is
recommended. The use of organic solvents and aromatic oils must be avoided.
NOTICE
1. Great care should be exercised when handling earphones and other transducers, as mechanical
shock may cause a change in calibration.
4.2
How to clean Interacoustics products
If the surface of the instrument or accessories can be cleaned using a soft cloth moistened with a mild
solution of water and dish washing detergent or similar. The use of organic solvents and aromatic oils
must be avoided. Always disconnect the USB cable during the cleaning process, and be careful that no
liquid enters the instrument or the accessories.
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Before cleaning always switch off and disconnect from power
Use a soft cloth lightly dampened with cleaning solution to clean all exposed surfaces
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Do not allow liquid to come in contact with the metal parts inside the earphones / headphones
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Do not autoclave, sterilize or immerse the instrument or accessory in any fluid
Do not use hard or pointed objects to clean any part of the instrument or accessory
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Do not let parts that have been in contact with fluids dry before cleaning
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Rubber ear-tips or foam ear-tips are single use components
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Ensure isopropyl alcohol does not come into contact with any screens on the instruments
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Recommended cleaning and disinfection solutions:
Warm water with mild, nonabrasive cleaning solution (soap)
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70% isopropyl alcohol
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Procedure:
Clean the instrument by wiping outer case with a lint free cloth lightly dampened in cleaning
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solution
Clean cushions and patient hand switch and other parts with a lint free cloth lightly dampened in
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cleaning solution
Make sure not to get moisture in the speaker portion of the earphones and similar parts
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Affinity2.0 – Instructions for Use - EN
Page 57