12-36 Probes and Biopsy
1. Wear a pair of gloves to prevent infection.
2. After use, immerse the needle-guided bracket in distilled water immediately to prevent
dirt from drying. Wipe the entire surface of the needle-guided bracket by using a piece of
disposable lint-free soft cloth to remove coarse dirt.
3. 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.
4. Detach all the detachable parts of the needle-guided bracket and immerse the detached
parts fully in the cleaning solvent for at least 1 minute or a period specified by the
manufacturer. Please refer to "12.2.7 Removing the Needle-guided Bracket".
5. Immerse the needle-guided bracket and all its parts fully in the cleaning solvent. Wipe
and wash the surface and connecting parts of the needle-guided bracket gently by using
a soft brush until no dirt is visible. Place the needle-guided bracket inside an ultrasonic
cleaner and perform ultrasonic cleaning for 3–5 minutes.
6. Rinse the needle-guided bracket 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.
7. Wipe away the water on the needle-guided bracket by using a piece of disposable lint-
free soft cloth.
8. Inspect the needle-guided bracket. If visible dirt still exists, repeat the preceding steps to
wash the bracket until it is all clean.
9. Check whether the needle-guided bracket has defects such as deformation and rusting. If
such defects exist, the bracket has reached the end of its service life. In this case, stop
using it and contact the Mindray service department.
Sterilization with a sterilant
1. Wear a pair of gloves to prevent infection.
2. Clean thoroughly in accordance with the cleaning procedure before sterilization.
3. Sterilize the needle-guided bracket by using an appropriate sterilant. MINDRAY
recommended the following solution to sterilize the needle-guided bracket. For how to
use a sterilant, see the operator's manual provided by the manufacturer. Prepare a
sterilant by using sterile distilled water when necessary.
4. Immerse the needle-guided bracket fully in the sterilant and shake the bracket
appropriately to remove any bubbles on the surface. Use a syringe to draw an
appropriate amount of sterilant and inject the sterilant into the hole to remove the bubbles
inside the hole. For details about the immersion duration, see the operator's manual
provided by the manufacturer.
5. After sterilization, wash the needle-guided bracket thoroughly by using a large amount of
sterile distilled water (about 2 gallons) at room temperature for about 30s to remove the
residual sterilant. Repeat the operation twice.
6. Dry the needle-guided bracket by using a piece of sterile disposable lint-free soft cloth.
7. Check whether the needle-guided bracket has defects such as deformation and rusting. If
such defects exist, the bracket has reached the end of its service life. In this case, stop
using it and contact the Mindray service department.
8. Store the needle-guided bracket in a cool, clean and dry environment. And repeat the
cleaning and sterilizing process before the next use.
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