What are wet packs?
One of the worst things you will encounter after running a sterilisation cycle in your autoclave is evidence of moisture within the chamber or within the load itself. Wet packs are a common cause of contamination – excessive moisture can act as a pathogen pathway and cause recontamination of your sterilised instruments and equipment.
Did you know?
Over 28% of veterinary practices experience wet packs at least once a week*. This may not seem hugely concerning however wet packs are a sign that your equipment or your sterilisation process is not working as it should and there is something that needs immediate attention.
*NVS Decontamination & Sterilisation Survey April 2019
Why do they happen?
Wet packs can occur for a variety of reasons including for example; not following processes or overloading autoclaves and mechanical failure is also a major factor.
UPON NOTICING WET PACKS OR MOISTURE WITHIN THE AUTOCLAVE CHAMBER – STOP USING THE EQUIPMENT STRAIGHT AWAY AND CALL YOUR SERVICE TECHNICIAN IMMEDIATELY.
How do we prevent wet packs?
A good way to prevent wet packs is to implement a daily monitoring routine to ensure your equipment is working correctly. Autoclaves have built in monitoring systems that will indicate whether or not a cycle has reached the correct parameters (whether it has passed or failed). We cannot however rely on a single built in monitoring system to give us a full picture of the efficiency of that cycle. To reduce the risk of unsterile instruments or devices we therefore complete additional tests to verify the efficiency of our steriliser.
A basic and important verification product to us would be visual indicators such as TST test strips and autoclave tape.
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