Factors Affecting Cleaning Process Flashcards
What are the stages in decontamination of instruments?
- Transport
- Cleaning
- disinfection
- Inspection
- Packaging
- Sterilisation
- Transport
- Storage
- Use
What is the criteria for containers to carry dirty instruments?
- rigid sides with tight fitting lid
- leak roof
- colour coded/clearly marked
What 4 factors affect successful cleaning?
- Temperature
- Chemicals
- Energy
- Water
What type of water must be used for sterilisation?
Purified water
If you change the chemical in a cycle what else must be done?
The cycle must be re-validated
What type of water is used for all stages of cleaning except sterilisation?
Tap water
What chemicals are used in the manual cleaning or ultrasonic cleaning stage?
pH neutral or enzymatic detergent
What chemicals are used in the WD cleaning stages?
- low alkaline or high alkaline detergent
What period of time must thermal disinfection occur for?
A minimum hold time of 1 minute
What period of time must sterilisation occur for?
A minimum hold time of 3 minutes
What temperature does steam sterilisation occur at?
between 134-137 degrees
What temperature does thermal disinfection occur at?
between 90-95 degrees
What temperature does thermal disinfection occur at?
between 90-95 degrees
What are the 3 types of steriliser?
Type N
Type B
Type S - specialised and can only be used for specific equipment
Can you process wrapped instruments in a type N steriliser?
No
What is the difference between Type N and Type S sterilisers ?
Air is removed from the type S steriliser creating a vacuum
Can you process wrapped instruments in a type S steriliser?
Yes
Can a type S steriliser process wrapped instruments?
No even though it has a vacuum
What are daily tests for the steriliser?
- steam penetration test - Bowie Dick test pack
- check the door seal
- drain the used water reservoir
- verify chamber if free from debris
What are the weekly tests for a steriliser?
- an air leakage test must be ran
- an air detector function test must be ran
