Portable sterilizer manufacturer shares the usage and precautions of autoclaves
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Summary: High-pressure steam sterilization has advantages such as fast sterilization speed, reliable effect, high temperature, and strong penetration. The manufacturer of portable sterilizers has compiled several points of opinions on the precautions for using high-pressure sterilizers.
High-pressure steam sterilization boasts advantages such as fast sterilization speed, reliable effectiveness, high temperature, and strong penetration. The manufacturer of portable sterilizers has compiled several points of advice on the precautions for using high-pressure sterilizers.
I. Preliminary Treatment of Articles for Sterilization All medical instruments, bed sheets, clothing, etc., that have come into contact with pathogenic microorganisms should first be disinfected with a chemical disinfectant and then cleaned conventionally. Items used in infectious disease wards, in particular, require strict control, undergoing thorough disinfection before cleaning. During routine cleaning, first soak and scrub with detergent solution to remove oil stains, blood stains, and other dirt, then rinse with tap water. Instruments and other items with shaft joints, gear slots, and gaps should be opened or disassembled as much as possible and thoroughly cleaned. After cleaning, items should be dried and packaged according to clinical needs to avoid further contamination. The manufacturer of portable sterilizers reminds users to strictly separate containers and transport tools before and after cleaning contamination, and to clearly mark them to prevent cross-contamination.
II. Packaging and Containers of Articles for Sterilization Articles should be properly packaged in double-layered white cotton cloth. New cloth should be washed and desized before use. The manufacturer of portable sterilizers reminds users that the package should be tied with a rope, neither too loose nor too tight. The volume of the bag should not exceed the capacity of the sterilizer. When using containers, they should both block the invasion of external microorganisms and have good steam permeability. Examples include dedicated syringe sterilization boxes and dressing storage tanks. Since steam has difficulty entering civilian aluminum boxes and air inside is not easily expelled, conventional sterilization often fails to achieve the sterilization effect. Comparisons show that their contamination rate is far higher than that of medical aluminum boxes. Therefore, civilian aluminum boxes containing syringes or instruments cannot be used for sterilization.
III. Proper Placement of Articles for Sterilization Too many articles for sterilization or improper placement will affect the sterilization effect. Overcrowding should be avoided; the contents should not exceed the sterilizer's capacity. Similar items should be sterilized together as much as possible. If different types of items are placed together, the temperature and time required for sterilization of the items should be followed. When placing items, they should be staggered up, down, left, and right, leaving gaps for steam penetration. Large sterilization packages should be placed vertically in the upper layer, and large enamel boxes and storage tanks in the lower layer should also be placed vertically. To sterilize both cloth and metal items simultaneously, metal items should be placed in the lower layer so that both heat up relatively evenly. Condensation from sterilizing metal items should be prevented from wetting cloth items.
IV. Exhausting Air When sterilizing with high-pressure steam, the manufacturer of portable sterilizers states that the key is to exhaust the air from the sterilizer. If air remains, the pressure indicated by the pressure gauge is not the pressure generated by saturated steam. At the same pressure, the temperature of a steam-air mixture is lower than that of saturated steam. Thorough air exhaust is essential, taking approximately several minutes.
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