Manual Washing and Cleaning Flashcards
what occurs when we clean instruments whether it be automated or manual
removal of proteins or prions from the instruments
what should be carried out before any cleaning
hand hygiene
an apron on
face shield
gloves and heavy duty rubber gloves if manual cleaning
what is required for manual cleaning
a dedicated sink
standard pressure water tap - water is between 30-35 degrees
what might temperatures of above 35 degrees allow
cause proteins to coagulate, making them difficult to remove
what is used in manual cleaning
chemical detergents - enzymatic or pH neutral
what are the two options for manual cleaning
immersion
non-immersion
what occurs in immersive manual cleaning
instrument is below the water surface and a long handle soft bristled brush is used to scrub instruments
what occurs in non-immersion manual cleaning
water and detergent mixer and non-linting cloth is used to clean external surfaces of instruments
never use brush due to aerosol spread
used for handpieces
what is the concentration of detergent needed for manual cleaning
5ml per 1L of water
when should manual cleaning be carried out
specifically recommended in manufacturers instructions
automated equipment out of order
automated processes have failed to remove the contamination
what is the action of the ultrasonic bath
uses sound waves at really high frequencies to produce bubbles that implode and have a scouring effect against the hard surface of instruments
what should the operating temperature for the ultrasonic bath be
20-30 degrees
what is a degas cycle
the chamber must be filled with water and detergent before any production cycles this gets rid of air bubbles in the water normally
what must you record in the equipment log book
date
cycle number
detergent added
temperature
time
operator name
what needs to occur following manual and ultrasonic cleaning
must be rinsed in a separate sink and then processed through WD
