16 Probes and Biopsy
Operator’s Manual 16 - 11
Cleaning
Please refer to the instructions in the manual and follow your hospital policy and procedures for
cleaning.
Perform the following procedure:
1. Wear a pair of gloves to prevent infection.
2. Disconnect the probe from the system. If the sheath is used, take off the sheath and discard it.
3. Wipe off the ultrasound gel or other visible dirt on the surface of the probe by using a damp
piece of disposable lint-free soft cloth or tissue.
4. Choose an appropriate cleaning agent including mild detergents, enzymatic cleaners and
specially designed enzymatic sponges.
5. Immerse the probe fully in the cleaning fluid for at least 1 minute or according to
manufacturer’s instructions. Lightly mechanical clean the probe with a piece of lint-free soft
cloth or soft sponge until no dirt is visible. When necessary, clean the seams or biopsy guide
features by using disposable cotton swabs. Avoid using a brush to wash the lens because it may
damage the probe.
6. Rinse the probe thoroughly by using a large amount of clean water (about 7.5 L/2 gallons) at
room temperature for about 30 s to remove the residual dirt and cleaning solvent. Repeat the
rinsing operation twice.
7. Dry the probe by wiping with a piece of disposable lint-free soft cloth or tissue.
Do not dry the probe by heating.
8. Inspect the probe. If visible dirt still exists, repeat the preceding steps to wash the probe until it
is all clean.
9. 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
Use protective eyewear when disinfecting using sprays.
Perform the following procedure:
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.
– Wipes: Wipe all the surface of the probe according to the wiping duration specified in the
operator’s manual provided by the manufacturer.
– 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.
Observe the graph here carefully to perform disinfection. Do not spray the strain relief on the
connector end or the connector.
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