2- Manual and Ultrasonic

Question 1

what must be done before any manual cleaning of instrumentation can be processed?

Answer 1

Hand hygiene + correct PPE (Apron, visor, gloves)

Question 2

what temperature must the sink water be for cleaning instruments?

Answer 2

30-35*C

Question 3

what happens to debris on equipments if the temperature is above 35*C?

Answer 3

The proteins coagulate (stick together) and make them harder to remove

Question 4

if you’re using chemicals to manually clean. What must the concentrations of them be?

Answer 4

Follow manufacturers instructions printed on the chemicals container

Question 5

why should soft bristled brushes be used over metallic brushes for manual cleaning?

Answer 5

metallic may damage instrumentation

Question 6

why should you scrub equipment below the surface of the water with chemicals in them?

Answer 6

1. instruments must be in contact with water & detergent solution
2. it will minimise splashing which could contaminate the surroundings
3. Scrubbing ABOVE the surface may produce aerosols

Question 7

when is the ultrasonic bath used?

Answer 7

consider using it after the washer-disinfector or as a backup.

High frequency soundwaves help breakup anything hard on the instruments.

CHECK MANUFACTURER’S INSTRUCTIONS - dont put equipment that can’t be ultrasonic bathed

Question 8

what happens AFTER you do after manual washing or ultrasonic bath equipment?

Answer 8

MUST go into the washer-disinfectant unit (again). Before it can be sterilised