Pentax EB-1970TK Instructions For Use Manual page 51

Purging of water from lumens
10) Using a syringe filled with air, flush the lumen of the suction valve (OF-B179) to
purge residual water. (see Figure 1.33, p41)
1-3-2-4. Drying
WARNING
Regardless of the quality of the rinse water used, it is essential to perform a
final alcohol rinse followed by forced air in order to completely dry the lumens
of components and accessories, and prevent bacterial colonization and/or
infections associated with waterborne microorganisms.
Flushing of lumens with alcohol
1) Using a syringe filled with 70-90% medical grade ethyl or isopropyl alcohol, flush
the lumen of the suction valve (OF-B179) with 2 mL of alcohol. (see Figure 1.33,
p41)
Purging of alcohol from lumens
2) Using a syringe filled with air, flush the lumen of the suction valve (OF-B179) with
air to purge residual alcohol. (see Figure 1.33, p41)
Drying of all external surfaces
3) Gently dry all external surfaces of components and accessories with a sterile gauze
moistened with 70-90% medical grade ethyl or isopropyl alcohol.
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Accessory
Disinfection