12-30 Probes and Biopsy
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
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. 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.
◼ Glutaraldehyde-based sterilant:
Before safety and performance is affected, plastic bracket can be sterilized by Cidex
Activated Dialdehyde Solution for at least 233 times (10 hours for one time).
⚫ Refer to the instructions provided by the chemical manufacturer concerning
concentration of the solution, and method of disinfections and dilution. Note that the
Dialdehyde disinfectant solution needs an activating solution.
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