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SDCEP Guidance Documents > Decontamination > Flashcards

Decontamination Flashcards

1
Q

what should you check before buying instruments

A

the manufacturers instructions that the instrument can be decontaminated with equipment in practice

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2
Q

what are the areas of the LDU

A

hand washing facility for PPE
setting down area for dirty instruments
washing sink for cleaning instruments
setting down area for washed instruments
ultrasonic cleaner
rinsing sink
setting down area for rinsed instruments
washer disinfector
setting down area for inspection
wrapping area
steam steriliser

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3
Q

what sort of container is used to transport dirty items

A

rigid durable leak proof container with tight fitting lid that is easy to clean and disinfect

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4
Q

what are the 3 methods of cleaning reusable dental instruments

A

washer disinfector
ultrasonic cleaning
manual cleaning

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5
Q

what are the general requirements needed before cleaning

A

selecting cleaning method
staff training
validation
hep B vaccination
PPE

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6
Q

what are the stages of a washer disinfector

A

flush
wash
rinse
thermal disinfection
drying

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7
Q

what are the principals of loading the washer disinfector

A

do not overload instrument carriers or overlap instruments
open instrument hinges and joints fully
use appropriate instrument carriers and trays for use in the WD

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8
Q

what features should an ultrasonic bath have

A

control of process variables like time/temp
lid with lock
choice of load carrier
chamber drain-tap
printer

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9
Q

how do you de-gas the ultrasonic

A

run the ultrasonic while filled with cleaning solution but no instruments for manufacturer specified time on start up and on refillings

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10
Q

how do you avoid instrument damage during manual cleaning

A

avoid wire brushes
remove instruments that have rust spots
do not use wire pot scourers
avoid contact with damaging chemicals

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11
Q

how do you dry instruments after ultrasonic cleaning or manual cleaning

A

use disposable low-linting towels to dry instruments

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12
Q

what do you do when you inspect instruments

A

inspect instruments for visible soiling
check to make sure they are in working order
dispose of damaged instruments

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13
Q

at what point do you lubricate handpieces/other hinge instruments

A

before sterilisation but after cleaning

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14
Q

what standards document should validation and testing follow for equipment

A

SHTMs

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15
Q

what type of steriliser is a vacuum steriliser

A

type B

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16
Q

what type of steriliser can wrapped instruments go into

A

type B

17
Q

when are instruments sterilised

A

have been cleaned, inspected and undergone sterilisation unwrapped

18
Q

when are instruments sterile

A

have been cleaned, inspected and wrapped before sterilisation

19
Q

what standards documents should the steriliser comply with

A

SHTM 2010

20
Q

how do you determine that a reusable instrument is suitable

A

good quality and CE marked
withstand the temperature and pressure of steam steriliser
is there a limit to how many times an instrument can be sterilised

21
Q

what are the loading requirements of the steriliser

A

do not overlap
open at hinge
place on perforated trays
do not overload

22
Q

what are the water requirements for steriliser

A

use purified water
change at least once per day or sooner if chamber is cloudy

23
Q

what does a chemical process indicator on wrappings of instruments tell you

A

that it has been exposed to a sterilisation process

24
Q

when you are inspecting wrapped instruments after sterilisation when would you decide NOT to use an instrument

A

outer wrapping is damaged
pack is moist
pack has labelling that is damaged or incorrect
pack has a process indicator that has not changed colour correctly
instruments visibly soiled

25
Q

what specific SHTMs do washer disinfectors relate to

A

SHTM 2030

26
Q

what specific SHTMs do steam sterilisers relate to

A

SHTM 2010

27
Q

what is the steam penetration test called for sterilisers

A

bowie dick

28
Q

how often is the bowie dick test done

A

everyday

29
Q

what are the daily tests for the steam steriliser

A

automatic control test
steam penetration test

30
Q

what does an automatic control test tell you for the steam steriliser

A

temperature, pressure and hold time values

31
Q

what are the elements of effective decontamination

A

facilities
equipment
process
training
management

32
Q
A

SDCEP Guidance Documents (11 decks)

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