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drying time should be 15 〜 40 minutes.
4.4.3 After drying, remove the handpiece and spray-head from the
drying oven for testing (see “Daily maintenance”).
[Note]:
a）Product drying must be done in a clean place.
b）Drying temperature shall not exceed 138℃ ;
c）The equipment in use should be inspected and maintained regularly.
4.5 Packaging
Assemble the disinfected and dried handpiece and its accessories, and
quickly package them in a medical sterilization package (or an exclusive
holder, a sterile box).
[Note]:
（1）The packaging used shall conform to ISO 11607;
（2）It can withstand the high temperature of 138℃ , and has sufficient
steam permeability;
（3）The packaging environment and related tools must be cleaned
regularly to ensure cleanliness and prevent the entry of pollutants;
（4）Avoid touching different metal parts when packing.
4.6 Sterilization
Only the following steam sterilization procedures (Fractionated pre-
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