Probes and Biopsy 13-11
3 Wipe away the ultrasound gel or other dirt on the surface of the probe by using a piece of
disposable lint-free soft cloth or tissue.
4 Prepare a cleaning solvent (enzymatic or neutral pH detergent, e.g., liquinox, MetriZyme) by using
distilled or softened water in accordance with the operator's manual provided by the manufacturer.
5 Immerse the ultrasound probe fully in the cleaning solvent for at least 1 minute or a period
specified by the manufacturer.
6 Wipe and wash the probe surface gently by using a piece of lint-free soft cloth or soft sponge until
no dirt is visible. When necessary, wash the locating groove of the needle-guided bracket and other
items by using disposable cotton swabs. Avoid using a brush to wash the lens because it may
damage the probe.
7 Rinse the probe thoroughly by using a large amount of distilled or softened water (about 2 gallons)
at room temperature for about 30s to remove the residual dirt and cleaning solvent. Repeat the
operation twice.
8 Dry the probe by wiping with a piece of disposable lint-free soft cloth or tissue. Do not dry the probe
by heating.
9 Inspect the probe. If visible dirt still exists, repeat the preceding steps to wash the probe until it is
all clean.
10 Check whether the probe has defects such as peeling, rifts, bumps, cracks, or liquid spill. If such
defects exist, the probe has reached the end of its service life. In this case, stop using it and
contact the Mindray service department.
Low-level disinfection of a non-critical probe
CAUTION:
Use protective eyewear when disinfecting using sprays.
1 Wear a pair of gloves to prevent infection.
2 Clean the probe thoroughly in accordance with the cleaning procedure before disinfection.
3 Disinfect the probe by using an appropriate low-level disinfectant. Follow the disinfection agent
manufacturer’s instructions for preparation and use of the disinfectant.
4 If you use a wet wipe for disinfection, wipe all the surface of the probe according to the wiping
duration specified in the operator's manual provided by the manufacturer. If you use a disinfectant
spray, spray the disinfectant directly on the surface of the probe or spray the disinfectant on a piece
of disposable lint-free soft cloth and wipe the probe according to the wiping duration in the
operator's manual provided by the manufacturer.
5 Wipe away the residual disinfectant on the probe by using a piece of lint-free soft cloth soaked with
distilled water. Wipe three times. Or rinse the probe thoroughly by using a large amount of distilled
or softened water (about 2 gallons) at room temperature.
6 Dry the probe by wiping with a piece of disposable lint-free soft cloth. Do not dry the probe by
heating.
7 Check whether the probe has defects such as peeling, rifts, bumps, cracks, or liquid spill. If such
defects exist, the probe has reached the end of its service life. In this case, stop using it and
contact the Mindray service department.
8 Store the probe in a cool, clean and dry environment. And repeat the cleaning and disinfection
process before the next use.
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