19
Chapter Nine System Maintenance
The system maintenance should be performed by the user and service engineer. Users shall be in full
charge of maintenance, repair and operation of the system after purchasing the product.
9.1 Maintenance by users
9.1.1 System clean, disinfect and sterilize
1. Clean the probe
(1) Wear sterilized gloves to prevent possible infection.
(2) Clean the probe with sterile water to remove all contaminants. Do not use brush as it may damage
the probe.
(3) Dry the probe with sterilized cloth or gauze after cleaning. Do not dry the probe by heating it.
2. Disinfect the probe
(1) Wear sterilized gloves to prevent possible infection in the process of disinfection.
(2) Clean the probe firstly before disinfection, and then wipe the probe twice with 75% alcohol.
(3) Clean the probe with sterile water to remove residual chemicals.
(4) Clean the water off the probe surface with sterilized cloth or gauze. Never dry the probe by heating it.
3. Sterilize the probe
(1) Wear sterilized gloves to prevent possible infection in the process of sterilization.
(2) Clean the probe firstly before sterilization. 2
％
glutaraldehyde disinfectant is recommended for the
probe. Immerse the sound head part of the probe (See sterilization sketch map) in liquid for more
than 10 hours for sterilization.
Warning
: Turn off the instrument and pull out the power supply wire before cleaning
every instrument of the system. It may cause electric shock if clean the system under
power is on.
Warning
:
There is no any water-roof device in the system. Do not splash any water or
liquor into the system when cleaning or maintaining; otherwise it will cause
malfunction or electric shock.
Attention
:
1.
Probe without cleaning, disinfection or sterilization may become the source of
contamination, so cleaning or disinfection to the probe is very necessary after every
ultrasonic diagnosis.
2.
To prevent possible infection, it is advisable to wear sterilized gloves when clean, disinfect
or sterilize the ultrasonic probe.
3.
In the process of cleaning, disinfection or sterilization, avoid probe overheat (exceeding
60
℃
) as it may be deformed or damaged under excessive heat.
4.
To prevent the infection or the cross infection, the probe surface should be covered with a
condom every time before diagnose the cavity.
5.
Do not use the probe packing box to store the probe as the box may become the source of
contamination.
6.
The waterproof grade of probe is IPX7.
Warning
:
Do not place the ultrasonic probe connector into water or disinfection,
sterilization liquid as it may cause electric shock.