Revision of BDS3

Question 1

What are the requirements of the box for transporting instruments for decontamination?

Answer 1

Rigid sided
Leak proof
With a tight fitting lid
Colour coded- RED

Question 2

Where is the box with the instruments put when it gets to decontamination?

Answer 2

Position them in the agreed set-down Area
-> might be the same spot as the unload area

Question 3

What PPE is required to carry out decontamination?

Answer 3

Nitrile gloves

Heavy duty rubber gloves

Apron

Face shield

-> allows us to manage and control infectious substances

Question 4

What is the most likely means of transporting infectious substances through environment?

Answer 4

By the hands

Question 5

When should we wash our hands in decontamination facility?

Answer 5

On entry/leaving

Between clean and dirty processes

Question 6

What is the first stage of the decontamination process?

Answer 6

Automated Washer Disinfector

Question 7

What are the requirements when using a washer disinfector?

Answer 7

Carry out our daily checks

Follow any directions for Loading the machine in the correct manner
-> instruments are processed in most efficient way

Follow the recommendations of the Manufacturer and validation engineer

Question 8

What is an SOP?

Answer 8

Standard operating procedures

Question 9

How do we verify that our AWD has worked to the required standard?

Answer 9

Use illuminated magnifier to identify any biological matter that may be present

-> Hinges, joints and textured or Threaded surfaces are prime Locations and require thorough inspection

Question 10

What do we do if there is any contamination still present on instruments following AWD?

Answer 10

Manual cleaning
-> physical scrubbing with non-metallic handled brush that can be processed through thermal washing cycle
-> ultrasonic bath

Question 11

What does manual cleaning help to remove?

Answer 11

Proteins/prions

Biological matter

Bodily fluids

Question 12

What is done following manual cleaning and why?

Answer 12

Items are reprocessed through AWD

The reason for this is the high temperatures and contact
achieved during the DISINFECTION part of the automated cycle
-> safe to handle and inspect

Question 13

What % of contamination is removed by AWD?

Answer 13

Over 95%

Question 14

Why is Steam sterilisation required following AWD?

Answer 14

There are pathogens still able to survive the 95 degree thermal disinfection for minimal holding time of 1 min

Question 15

What does SHTM stand for?

Answer 15

Scottish Health Technical Memorandum

Question 16

What other guidance is available for decontamination?

Answer 16

BS EN Standards (SHTM is derived from this)

Medical device regulation- purchasing equipment

• These documents and these measures are so we can ensure our equipment has been manufactured to agreed standards and that the machines are capable of achieving all of the set-points outlined within the guidance documents and standards

Question 17

What are the different types of Steam sterilisers?

Answer 17

Type B- vacuum capable
-> sterile at point of use, can process wrapped instruments

Type N- gravity displacement
-> sterilised but not wrapped