SD3 Series Ultrasonic Pocket Doppler User Manual Maintenance
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Chapter 5 Maintenance
5.1 Maintenance
You must check that the equipment does not have visible evidence of damage that may affect the
patient and the operator’s safety or the Doppler’s capability before each use. Pay special attention
to the cracks on the probe and the cable before immersing them into conductive fluid. If the
damage is evident, replacement is recommended.
The probe is frangible and must be handled with care.
Wipe the remaining gel after use to prolong the probe life.
The overall check of the Doppler, including safety check and function check, should be
performed by qualified personnel every 12 months, and each time after service. Besides the above
requirements, comply with local regulations on maintenance and measurement.
5.2 Cleaning
Before cleaning, switch off the Doppler.
Keep the exterior surface of the device clean and free of dust and dirt.
Clean the exterior surface of the main unit with a dry, soft cloth. If necessary, clean it using a soft
cloth dampened with mild near neutral detergent, ethanol (75%) or isopropanol (70%), and then
wipe it dry with a dry cloth immediately.
Wipe the remaining coupling gel off the probe. Clean it using a soft cloth dampened with mild
near neutral detergent, ethanol (75%) or isopropanol (70%), and then air-dry it or wipe it dry with
a dry cloth.
CAUTION
1 Do not use strong solvent, such as acetone.
2 Never use an abrasive such as steel wool or metal polish.
3 The main unit is not waterproof. Do not immerse any part of it into liquid.
4 Avoid pouring liquids on the main unit while cleaning.
5 Do not remain any solution on the surface after cleaning.
6 Only the body and cable of the probe are waterproof. Do not immerse the probe
socket into any liquid.
5.3 Disinfection
In normal use the main unit does not need disinfection. In case of being soiled, clean the main
unit case and then disinfect it by wiping it with a soft cloth dampened with ethanol (75%) or
isopropanol (70%). Then wipe it dry with a dry cloth.
After each use, clean the probe and then disinfect it by wiping it with a soft cloth dampened with
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