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Decontamination > Factors Affecting Cleaning Process > Flashcards

Factors Affecting Cleaning Process Flashcards

1
Q

What are the stages in decontamination of instruments?

A
  • Transport
  • Cleaning
  • disinfection
  • Inspection
  • Packaging
  • Sterilisation
  • Transport
  • Storage
  • Use
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2
Q

What is the criteria for containers to carry dirty instruments?

A
  • rigid sides with tight fitting lid
  • leak roof
  • colour coded/clearly marked
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3
Q

What 4 factors affect successful cleaning?

A
  • Temperature
  • Chemicals
  • Energy
  • Water
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4
Q

What type of water must be used for sterilisation?

A

Purified water

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5
Q

If you change the chemical in a cycle what else must be done?

A

The cycle must be re-validated

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6
Q

What type of water is used for all stages of cleaning except sterilisation?

A

Tap water

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7
Q

What chemicals are used in the manual cleaning or ultrasonic cleaning stage?

A

pH neutral or enzymatic detergent

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8
Q

What chemicals are used in the WD cleaning stages?

A
  • low alkaline or high alkaline detergent
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9
Q

What period of time must thermal disinfection occur for?

A

A minimum hold time of 1 minute

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10
Q

What period of time must sterilisation occur for?

A

A minimum hold time of 3 minutes

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11
Q

What temperature does steam sterilisation occur at?

A

between 134-137 degrees

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12
Q

What temperature does thermal disinfection occur at?

A

between 90-95 degrees

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13
Q

What temperature does thermal disinfection occur at?

A

between 90-95 degrees

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14
Q

What are the 3 types of steriliser?

A

Type N
Type B
Type S - specialised and can only be used for specific equipment

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15
Q

Can you process wrapped instruments in a type N steriliser?

A

No

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16
Q

What is the difference between Type N and Type S sterilisers ?

A

Air is removed from the type S steriliser creating a vacuum

17
Q

Can you process wrapped instruments in a type S steriliser?

A

Yes

18
Q

Can a type S steriliser process wrapped instruments?

A

No even though it has a vacuum

19
Q

What are daily tests for the steriliser?

A
  • steam penetration test - Bowie Dick test pack
  • check the door seal
  • drain the used water reservoir
  • verify chamber if free from debris
20
Q

What are the weekly tests for a steriliser?

A
  • an air leakage test must be ran
  • an air detector function test must be ran

Decontamination (4 decks)

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