CSA Preface
This is the first edition of CSA ISO 20857, Sterilization of health care products — Dry heat — Requirements for the development, validation and routine control of a sterilization process for medical devices, which is an adoption without modification of the identically titled ISO (International Organization for Standardization) Standard 20857 (first edition, 2010-08-15).
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
1.1 Inclusions
1.1.1
This International Standard specifies requirements for the development, validation and routine control of a dry heat sterilization process for medical devices.
NOTE Although the scope of this International Standard is limited to medical devices, it specifies requirements and provides guidance that might be applicable to other health care products.
1.1.2
Although this International Standard primarily addresses dry heat sterilization, it also specifies requirements and provides guidance in relation to depyrogenation processes using dry heat.
NOTE Dry heat is often used for the depyrogenation of equipment,components and health care products and its effectiveness has been demonstrated. The process parameters for sterilization and/or depyrogenation are time and temperature. Because the conditions for depyrogenation are typically more severe than those required for sterilization, a process that has been validated for product depyrogenation will result in product sterility without additional validation.
1.2 Exclusions
1.2.1
This International Standard does not specify requirements for the development, validation and routine control of a process for inactivating the causative agents of spongiform encephalopathies such as scrapie, bovine spongiform encephalopathy and Creutzfeldt-Jakob disease.
NOTE See also ISO 22442-1, ISO 22442-2 and ISO 22442-3.
1.2.2
This International Standard does not apply to processes that use infrared or microwaves as the heating technique.
1.2.3
This International Standard does not detail a specified requirement for designating a medical device as sterile.
NOTE Attention is drawn to national or regional requirements for designating medical devices as sterile. See, for example, EN 556-1 or ANSI/AAMI ST67.
1.2.4
This International Standard does not specify a quality management system for the control of all stages of production of medical devices.
NOTE It is not a requirement of this International Standard to have a complete quality management system during manufacture, but the elements of a quality management system that are the minimum necessary to control the sterilization process are normatively referenced at appropriate places in the text (see, in particular, Clause 4). Attention is drawn to the standards for quality management systems (see ISO 13485) that control all stages of production of medical devices, including the sterilization process. Regional and national regulations for the provision of medical devices might require implementation of a complete quality management system and the assessment of that system by a third party.
1.2.5
This International Standard does not specify requirements for occupational safety associated with the design and operation of dry heat sterilization and/or depyrogenation facilities.
NOTE Requirements for operational safety are specified in IEC 61010-2-040. Additionally, safety regulations exist in some countries.
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