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CSA Z11137-2 : 2007 : R2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

STERILIZATION OF HEALTH CARE PRODUCTS - RADIATION - PART 2: ESTABLISHING THE STERILIZATION DOSE
Available format(s)

Hardcopy , PDF

Superseded date

01-07-2016

Language(s)

English

Published date

01-01-2012

Foreword
Introduction
1 Scope
2 Normative references
3 Abbreviations, terms and definitions
   3.1 Abbreviations
   3.2 Terms
4 Definition and maintenance of product families for
   dose setting, dose substantiation and sterilization
   dose auditing
   4.1 General
   4.2 Defining product families
   4.3 Designation of product to represent a product
        family for performance of a verification dose
        experiment or sterilization dose audit
   4.4 Maintaining product families
   4.5 Effect of failure of establishment of sterilization
        dose or of a sterilization dose audit on a product
        family
5 Selection and testing of product for establishing and
   verifying the sterilization dose
   5.1 Nature of product
   5.2 Sample item portion (SIP)
   5.3 Manner of sampling
   5.4 Microbiological testing
   5.5 Irradiation
6 Methods of dose establishment
7 Method 1: dose setting using bioburden information
   7.1 Rationale
   7.2 Procedure for Method 1 for product with an average
        bioburden W 1,0 for multiple production batch
   7.3 Procedure for Method 1 for product with an average
        bioburden W 1,0 for a single production batch
   7.4 Procedure for Method 1 for product with an average
        bioburden in the range 0,1 to 0,9 for multiple or
        single production batches
8 Method 2: Dose setting using fraction positive information
   from incremental dosing to determine an extrapolation
   factor
   8.1 Rationale
   8.2 Procedure for Method 2A
   8.3 Procedure for Method 2B
9 Method VD[max] - Substantiation of 25 kGy or 15 kGy
   as the sterilization dose
   9.1 Rationale
   9.2 Procedure for Method VD[max][25] for multiple
        production batches
   9.3 Procedure for Method VD[max][25] for a single
        production batch
   9.4 Procedure for Method VD[max][15] for multiple
        production batches
   9.5 Procedure for Method VD[max][15] for a single
        production batch
10 Auditing sterilization dose
   10.1 Purpose and
   10.2 Procedure for auditing a sterilization dose
        established using Method 1 or Method 2
   10.3 Procedure for auditing a sterilization dose
        substantiated using VD[max]
11 Worked examples
   11.1 Worked examples for Method 1
   11.2 Worked examples for Method 2
   11.3 Worked examples for Method VD[max]
   11.4 Worked example of a sterilization dose audit
        for a dose established using Method 1, the
        findings from which necessitated augmentation
        of the sterilization dose
   11.5 Worked example of a sterilization dose audit
        for a dose established using Method 2A, the
        findings from which necessitated augmentation
        of the sterilization dose
   11.6 Worked example of a sterilization dose audit
        for a sterilization dose substantiated using
        Method VD[max][25]
Bibliography

Describes methods of determining the minimum dose needed to achieve a specified requirement for sterility and methods to substantiate the use of 25 kGy or 15 kGy as the sterilization dose to achieve a sterility assurance level, SAL, of 10-6.

DevelopmentNote
Supersedes CSA ISO 11137. (01/2009)
DocumentType
Standard
Pages
78
ProductNote
Reconfirmed EN
PublisherName
Canadian Standards Association
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 11137-2:2013 Identical

ISO 11137-1:2006 Sterilization of health care products Radiation Part 1: Requirements for development, validation and routine control of a sterilization process for medical devices
ISO 11737-2:2009 Sterilization of medical devices Microbiological methods Part 2: Tests of sterility performed in the definition, validation and maintenance of a sterilization process
ISO 11737-1:2006 Sterilization of medical devices Microbiological methods Part 1: Determination of a population of microorganisms on products
ISO 13485:2016 Medical devices Quality management systems Requirements for regulatory purposes
AAMI TIR27 : 1ED 2001 STERILIZATION OF HEALTH CARE PRODUCTS - RADIATION STERILIZATION - SUBSTANTIATION OF 25 KGY AS A STERILIZATION DOSE - METHOD VD MAX
AAMI ST32 : 1991 GUIDELINE FOR GAMMA RADIATION STERILIZATION
ISO/TS 11139:2006 Sterilization of health care products Vocabulary
ISO 11137-3:2017 Sterilization of health care products — Radiation — Part 3: Guidance on dosimetric aspects of development, validation and routine control
ISO 14971:2007 Medical devices Application of risk management to medical devices
ISO 11137:1995 Sterilization of health care products Requirements for validation and routine control Radiation sterilization

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