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IDI - Irish Decontamination Institute

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Central Service - Issue 6/2014

Central Service - Issue 6/2014

Central Service - Issue 6/2014

NEWS UPDATE

  • What's New in Standardisation: Rejected
  • World Congress on Sterilisation. 15th WFHSS Congress, 15 18 October 2014, Prague
  • 14th Schleswig-Holstein CSSD Hygiene Forum Damp, Congress Centre, 25 October 2014
  • Exchange of experiences in French at JIFS. 2nd International French-Speaking Sterilization Conference in Marrakech, Morocco, 12 13 September 2014
  • Irish Decontamination Institute meets in Kilkenny. IDI Annual Conference, 6 7 November 2014

ORIGINAL ARTICLES

F. H. H. Bril*, R. Daniel, M. Wodrich, H. Gabriel:
Standardized method for application of test soil to test pieces in cleaning tests

Abstract
Pursuant to DIN EN ISO 15883-5, various test soils are used to investigate or validate the efficacy of cleaning processes. These soils must be applied in as reproducible a manner as possible to a test piece (process challenge device [PCD]), e. g. made of stainless steel or glass. Because of the difficulties encountered when applying the soil to the test piece none of the methods used hitherto is deemed to be reliable. Therefore a (novel) method was developed for applying a blood soil to a test piece. The main challenge here was to apply the same amount of blood in a reproducible manner to the test pieces.
To that effect a template was developed. The design of that template now enabled the investigator to evenly apply a defined amount of blood to the middle of a plate in such a way as to assure a uniform layer of equal thickness, covering a similar surface area. The initial results confirmed that this method permitted uniform application of the soil to the test pieces. The method can be applied easily and quickly in any laboratory. Reproducibility is very good. This new method is eminently suitable for investigation of the efficacy of cleaning processes. It assures regular, uniform and reproducible application of the soil to the test pieces.
Keywords:
cleaning medical device reprocessing test piece application of test soil


RECOMMENDATIONS

Recommendations by the «Quality Task Group»:
Water for reprocessing medical devices (Part 2)


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