4. HELSTU STAÐLAR
EU US
MDD FDA GMP
Essential Quality System
Requirements Regulation
EU Harmonized Standards
ISO 13485 Quality Management Systems
IEC 60601-1 IEC 62304 IEC 62366
Electrical Safety Sofware Life-cycle Usability Engineering
IEC 14971 Risk Management
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6. VÖRUÞRÓUNARFERLIÐ
System level RA
DFMECA
PFMECA (draft)
PFMECA
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7. VÖRUBREYTINGAR
Product
Announcement
Test production
Decision on Final audit meeting:
product change Start a Risk Assessment Product
Action
project project in 1) Finish the change
Meeting Notes items approval
data base Form 10/11/12 checklist in
according Meeting notes
Form 496 the data base
to RA
2) Close the project
Approval by in the data base
Technical
lead/Platform
manager
Approval by:
Director Engineering
Director Product Management
Director Manufacturing and Operations
Director / Manager representing
Purchasing
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9. VERKLAG - DFMECA
Failure Effect(s): Current Design/Process Control:
RPN (SxOxD)
Item Item / process Potential Failure Local effect(s) : End user effect(s) : Potential Failure Cause(s) Failure prevention Failure Detection
Ref Description and Mode:
Occurance
Detection
# function:
Severity
1) Ad hoc test.
[Details of Ad hoc testing: Step
1) [RheoControl] Control variables through current controller code
incorrectly set internally. to verify float to int casts]
Inconsistant knee behavior, could
2) [Data Backup][HW]Memory
[Sensors] [Actuator]Corrupted lead to user falling without warning
corruption (internal/external). 1) Coding Standards. 2) Alpha test. (ref. to
1,6 Rheo Control Data handling values transfered between because of insufficient support 8 1 3 24
3) [RheoControl]Conversion issues 2) Code review Engineering Analysis of BPCB
modules during stance phase or too much
(float to int/int to float), e.g. output units Post Alpha Trial [2])
resistance during swing phase
calculations and current controller [Details: Log and monitor
control variables during level
ground walking, stair descent
and ramp descent/ascent.]
Possible Failure Modes:
Entry, Exit, Data input, Data output, Data handling, Calculations, Timing
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10. Á DÖFINNI
• IEC 60601-1 3. útgáfa
– Heildarrammi fyrir hugbúnaðarkerfi, þ.m.t. usability
• Bætt umgjörð um áhættugreiningu
– Komast út úr Excel
– Samtenging við hugbúnaðarþróunartól
• Heppilegri mælikvarðar notaðar við ákvörðun á RPN
– Hættustig (Severity)
– Líkur á hættuástandi (Probability of a hazardous situation)
– Líkur á slysi (Probability of hazardous situation leading to
harm)
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