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BS EN ISO 11138-7:2019 – TC:2020 Edition

$280.87

Tracked Changes. Sterilization of health care products. Biological indicators – Guidance for the selection, use and interpretation of results

Published By Publication Date Number of Pages
BSI 2020 173
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PDF Catalog

PDF Pages PDF Title
101 undefined
103 European foreword
Endorsement notice
106 Foreword
107 Introduction
108 1 Scope
2 Normative references
3 Terms and definitions
111 4 General
113 5 Characteristics of biological indicators
5.1 General
114 5.2 Test organism suspension for direct inoculation of products
5.3 Inoculated carriers
115 5.4 Self-contained biological indicators
6 Selection of supplier
6.1 General
116 6.2 Documentation
6.2.1 General
117 6.2.2 Manufacturer audit
118 7 Biological indicators in process development
7.1 General
7.2 Overkill approach
119 7.3 Combined biological indicator and bioburden method
120 7.4 Bioburden method
8 Biological indicators in sterilization validation
8.1 General
121 8.2 Placement and handling of biological indicators
8.3 Sterilizer qualification
8.4 Performance qualification
122 8.5 Review and approval of validation
8.6 Requalification
9 Biological indicators in routine monitoring
9.1 General
123 9.2 Placement and handling of biological indicators
9.3 Process challenge device
124 10 Interpretation and acceptance criteria
10.1 General
10.2 Interpretation of results
11 Application of biological indicator standards
11.1 General assessment of biological indicator performance by the user
125 11.2 Nominal population of test organism
126 11.3 Resistance determination
11.3.1 General
11.3.2 Survivor curve method
11.3.3 Fraction-negative method
127 11.3.4 Survival-kill response characteristics
11.4 z value determination
11.4.1 General
11.4.2 Graphically plotting the z value
128 11.4.3 Mathematically calculating the z value
129 11.4.4 Correlation coefficient, r, for the z value
11.5 F(T, z) equivalent sterilization value determination
11.6 Establishing spore-log-reduction
130 11.7 Sterility assurance level calculation
11.8 Test equipment
131 12 Culture conditions
12.1 General
12.2 Incubation temperature
12.3 Incubation period
132 12.4 Choice of growth medium
13 Third-party considerations
13.1 General
133 13.2 Minimum requirements from ISO 11138-1 for replicates and total number of biological indicators
13.3 Test equipment
14 Personnel training
134 15 Storage and handling
16 Disposal of biological indicators
135 Annex A (informative) Microbiological inactivation kinetics and enumeration techniques
140 Annex B (informative) Process challenge devices
141 Annex C (informative) Formulae for D value determination by fraction-negative method
157 Annex D (informative) Examples of documentation for biological indicators prepared by the user
161 Annex E (informative) Calculation of z value
164 Annex F (informative) D value determination by survivor curve method
168 Annex G (informative) Survival-kill response characteristics
170 Bibliography
BS EN ISO 11138-7:2019 - TC
$280.87