9. Disinfection
9.7 CLEAN / DISINFECT EXTERNAL SURFACES
It is recommended that this procedure be performed at least once
each day.
CAUTION
Do not use other disinfecting agents or allow diluted sodium
hypochlorite to dry on the external surfaces or damage may
result.
The use of other disinfecting agents, including undiluted or
underdiluted sodium hypochlorite may cause damage or
deterioration to some Instrument surfaces, such as the touch
screen.
Clean the touch screen only with 4 parts of 5.25% solution of
sodium hypochlorite in 126 parts of water. The use of other
chemicals may cause the screen to become clouded. Rinse it with
a damp cloth.
Do not use alcohol or other solvent-based cleaners.
9.7.1 Supplies
• Mild detergent solution, such as a mild dishwashing liquid in
water
• Diluted sodium hypochlorite solution (4 part 5.25% sodium
hypochlorite and 126 parts cold water), for example, 40 mL
5.25% sodium hypochlorite and 1260 mL cold water
• Gloves resistant to the disinfectant
9.7.2 Procedure
1. Wipe off surface soil as required with a mild detergent
solution.
2. Remove the blood pump head (rotor) and wipe it with a cloth.
3. Remove the heparin pump slide.
4. Wipe all external surfaces with diluted sodium hypochlorite
solution. The blood pump head and heparin pump slide can be
submerged in this solution.
5. Wipe all external surfaces with plain water. Thoroughly rinse
the blood pump head and heparin pump slide.
6. Reattach the blood pump head (see Section 28.3.1).
157-1278-916, Rev A 9-31
March 2004
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