Other Failed Sterilization Tests?

Failed Washer/Disinfectant Tests

There are many things that can affect the quality of your cleaning protocol. Rather than assuming that your instruments are clean just by looking at them, let’s consider some of the common process failures for your Washer-Disinfector:

  • Inadequate water spray/impingement
  • Clogged spray arms
  • Overloading
  • Instrument shadowing
  • Inadequate detergent dosing
  • Improper detergent dosing

Failed Ultrasonic Tests

The Ultrasonic test has a few different versions - the most common is the foil test.

Foil-Test

There are other options such as the Cleaning Monitor strip with holders - patches that have patterns or liquids that change colour.

Test-Strips-v1
Test-Strip-v2
Test-Strip-3

There are many things that can affect the quality of your cleaning protocol. Here are some of the common process failures for your Ultrasonic machine:

  • Ineffective cavitation
  • Overloading
  • Insufficient time, temperature and/or detergent