CAN/CSA-ISO 11140-4:18 (R2023)
Sterilization of health care products — Chemical indicators — Part 4: Class 2 indicators as an alternative to the Bowie and Dick-type test for detection of steam penetration (Adopted ISO 11140-4:2007, second edition, 2007-03-15)
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CSA Preface
This is the first edition of CAN/CSA-ISO 11140-4, Sterilization of health care products — Chemical indicators — Part 4: Class 2 indicators as an alternative to the Bowie and Dick-type test for detection of steam penetration, which is an adoption without modification of the identically titled ISO (International Organization for Standardization) Standard 11140-4 (second edition, 2007-03-15).
For brevity, this Standard will be referred to as “CAN/CSA-ISO 11140-4” throughout.
This Standard was reviewed for Canadian adoption by the SCC Mirror Committee to ISO/TC 198, under the jurisdiction of the CSA Technical Committee on Medical Device Reprocessing and the CSA Strategic Steering Committee on Health Care Technology & Systems, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
Scope
This part of ISO 11140 specifies the performance for a Class 2 indicator to be used as an alternative to the Bowie and Dick-type test for steam sterilizers for wrapped health care goods (instruments, etc., and porous loads).
NOTE The Bowie and Dick-type test is used for routine testing of steam sterilizers and validation of steam sterilization processes.
An indicator complying with this part of ISO 11140 incorporates a specified material which is used as a test load. This test load may, or may not, be re-usable. This part of ISO 11140 does not specify requirements for the test load, but specifies the performance of the indicator in combination with the test load with which it is intended to be used. The indicator specified in this part of ISO 11140 is intended to identify poor steam penetration but does not necessarily indicate the cause of this poor steam penetration.
This part of ISO 11140 does not include test methods to establish the suitability of these indicator systems for use in sterilizers in which the air removal stage does not include evacuation below atmospheric pressure.
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