Page 416 - Safety Risk Management for Medical Devices
P. 416

Index  395


                   EN ISO 13485 standard, 52, 55            on merits of RPN for criticality ranking,
                   EN ISO 14971 standard, 4, 102, 108, 166     85 86
                   EN ISO 14971:2012 standard, 24           ownership, 87 88
                   End Effect, 83, 96, 103f                 weaknesses, 87
                     column, 133                          Failure(s), 68, 81
                     of sensor FMEA, 102                    theory, 83 84, 83f
                   Energy interface, 94                   Fault tree (FTs), 67, 69
                   Engine, 151 152                        Fault Tree Analysis (FTA), 49 51, 67 75, 69f
                     subsystems, 152f                       comparison, 119 120
                   Environmental factors, 37 38, 71         ground rules, 74 75
                   Error(s), 84                             methodology, 73 74
                     states, 119                            symbols, 71 72, 72f
                   Essential design outputs (EDOs), 222      alternate FTA, 73f
                     identification, 222 224, 223f          theory, 69 71
                   Essential performance, 211 212, 214       CCF, 71
                     identifying essential performance, 211 212  immediate, necessary, and sufficient, 70 71
                   EUDAMED, 26, 194                          primary, secondary, and command Faults, 70
                   EUMDR. See European Medical Device        state of component state of system, 71
                        Regulation (EUMDR)                Fault(s), 68, 71, 81
                   European Medical Device Regulation (EUMDR),  condition, 163 164
                        3 5                                 low-likelihood, 75
                     transition to, 5                       write faults as, 75
                   European Union, legal and regulatory   FDA. See Finished design output (FDA)
                        requirements in, 4 5              Field corrective actions, 6
                   European Union directive 93/42/EEC.    Finer method, 86
                        See Medical Device Directive (MDD)  Finished design output (FDA), 31 32, 124 125,
                   Event, 68                                   146, 188, 193, 222
                     event-chain model, 18                Flu virus, 20
                     populating initial cause and sequence of events  FMEA. See Failure Modes and Effects Analysis
                        columns, 172                           (FMEA)
                   “Existing Mitigations”                 Font size, 38
                        columns, 134                      Formal usability engineering task analysis, 113
                   Expert opinion, 65 66, 65f             Formative Evaluation, 32 34
                   Exploitability, 125, 125f              Formative Study. See Formative Evaluation
                                                          Formative testing, 216
                   F                                      FTA. See Fault Tree Analysis (FTA)
                                                          FTs. See Fault tree (FTs)
                   Failure mode
                                                          Fuel system, 46
                     column, 132 133
                                                          Functional Failure Modes, 95
                     interaction, 96
                   Failure Modes and Effects Analysis (FMEA), 39,
                        46 47, 49 51, 60, 68, 80 90, 132, 151,  G
                        151f, 161, 172, 223 225, 236, 265  Galvanic process, 215
                     benefits, 86 87                      Gamma radiation, 221
                     facilitation, 82                       device, 121
                     failure theory, 83 84, 83f           Geometric properties, 42
                     ground rules, 84 85                  Graphical user interfaces, 167
                     hierarchical multilevel, 82 83, 82f  Ground rules, 74 75
                     making your way through, 88 90         don’t model passive components, 75
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