H E Y E R P a s i t h e c
Rev. 0.2 Draft – 12/09 HEYER Pasithec, Operator’s manual 67 / 106
Sterilizing
Cleaning and sterilizing must be performed at the same time. Follow instructions for the common
bellows assembly sterilization methods.
Sterilizing after general patient use:
Clean the inner and outer parts of the bellows assembly in a soap-and-water solution. Rinse
thoroughly in cold water, and dry with soft cloth.
Immerse plastic and latex instruments in 70~80% ethyl alcohol for half an hour. Take them out using
the aseptically transmits pliers, then store in clean containers. Repeat this step before next use.
Components made of metal and glass can be sterilized with high pressure steam. When the steam
pressure is increased by the autoclave, the rising temperature can concrete the bacterium protein
rapidly to kill bacteria. In 1.05 kg/cm
2
steam pressure, the temperature rises to 121°C. Al l bacteria and
most sorus can be killed if this temperature is maintained for 15~25 minutes.
Sterilizing after special infection or infectious patient use:
Open pulmonary TB, pulmonary abscess, pseudomonas, tetanus aeruginosa infection, gas gangrene
or infectious hepatitis is included. Used bellows assembly components must be completely sterilized
according to preliminary and final disposal procedures.
1) Preliminary disposal: Perform in accordance with the isolated disposal stipulation. Collect and
leave all the used bellows assembly components during the operation process in the operating
room. Immerse the bellows assembly components in the 1:1000 benzalkonium bromide or 1~5%
cresol for 30 minutes after finishing the operation.
2) Final disposal: Perform the final sterilizing disposal after the bellows assembly components are
processed by the above-mentioned preliminary disposal:
•
Scrub the bellows assembly in a soap-and-water solution. Thoroughly rinse in cold water,
and dry.
•
If conditions permit, suffocating the components directly contacted with patients with formald
or oxirane is preferred, or perform immersing sterilization respectively. For example: the
components used by open pulmonary TB patients must be immersed in 3% cresol for 30
minutes; the components used by tetanus aeruginosa infection patients must be immersed in
0.2% potassium permanganate for 30 minutes; the components used by gas gangrene
patients must be immersed in 0.1% chlorhexidine for 30 minutes; the components used by
pulmonary abscess patients must be immersed in 0.1% benzalkonium bromide for 60
minutes; the components used by pseudomonas patients must be immersed in 0.1%
benzalkonium bromide for 120 minutes.
•
The components being immersed need to be rinsed by water and dried for next use.
•
Scrub and rinse the components that had indirect contact with patients with 1-3% phenol
solution or soap-and-water solution and water. Irradiate them by using the ultraviolet ray for
30 minutes if necessary.
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