Credits: Georg Digel
“HUMAN ERROR” is not a valid Root Cause
Why “Human Error” doesn’t exist? ↘
Human Error
- Blame people
- In the same category of “User error”
Use error
- Not blame people
- Neutral regarding the cause
- Treat use errors with the same rigor as technical defects
Focus on the process ↘
Symptom = Obvious / Detectable manifestation of a causal factor
The real RCA begins here 👁️ We need to focus here
The main reason why a problem occurred
Human Factors consideration ↘
- Why? Errors result from unmet human factors considerations in design and process
- Human factors align machines, operations, and environments with human capabilities and limits
Why retraining is not correct? ↘
If your corrective action is:
Use errors classifications ↘
Adaptation from RISK MANAGEMENT for Medical Device Manufacturers [MD and IVD] Joe Smith – Chapter 28
Error (Inadvertent)
• Knowledge-based mistake
Actions:
• Focus on SOP
• Improve feedback & tools
• Focus on available information
• Memory-based Lapse (Omission)
Actions:
• Provide resources/ time for task
• Remove distractions
• Implement warnings / checklist
Deliberate (Violations)
The problem here is mainly the quality culture
Improve risk perception (raise awareness of whys and consequences)
• Increase likelihood of detection and supervision
• Eliminate reasons to cut corners (e.g. unrealistic workload)
• Encourage reporting of violations to act and improve the system
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