The Helix test is a test device for type-B sterilizers. It is classified as a Process Challenge Device (PCD) for evaluating air removal and steam penetration capability of a sterilizer. It acts as a hollow body (narrow lumen/type A according to EN 13060) which, due to its physical shape, simulates the most difficult requirements for the sterilization of hollow body instruments.
- The Helix PCD is placed in the steam sterilizer along with the test strip and exposed to a test cycle. The steam must penetrate the tube and reach the end where the test strip is located.
- At the end of the cycle, the test strip can be checked. For a successfully completed test, the chemical indicator must be uniformly reached by the steam for a specified time at a specified temperature (3.5 minutes at 132–137°C or 15 minutes at 121–124°C). The colour of the test strip provides information about the test result.
Components - The W&H Helix test consists of 3 main parts:
› The Helix body contains a plastic tube with a length of 1.5 m and a diameter of 2 mm.
› The cap hermetically seals the system and serves as a holder for
› a chemical indicator test strip.
| Brand | W&H |
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