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Safe access/egress systems for emergency ambulances.
1Healthcare Ergonomics and Patient Safety research Unit, Department of Human Sciences, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK.
Emergency Medicine Journal : EMJ
|March 14, 2007
Summary
The tail lift is the safest and most preferred ambulance stretcher loading system, outperforming easi-loader and ramp/winch systems based on safety and usability research.
Area of Science:
- Emergency medical services
- Human factors engineering
- Occupational safety
Background:
- Ambulance stretcher loading systems are critical for patient and operator safety.
- Easi-loader, ramp/winch, and tail lift are the most common systems.
- Evidence-based comparison of these systems is needed.
Purpose of the Study:
- To compare the safety and usability of three ambulance stretcher loading systems: easi-loader, ramp/winch, and tail lift.
- To identify the preferred system based on empirical evidence.
- To inform future design and operational improvements.
Main Methods:
- Combined field (observation, interviews) and laboratory (postural analysis) data collection over 12 months.
- National questionnaire survey with 134 ambulance staff and manufacturers for ranking design issues.
- Qualitative and quantitative analysis of safety, usability, and manual handling factors.
Main Results:
- Patient and operator safety, followed by manual handling, were ranked highest priorities.
- The easi-loader system exhibited the highest postural risk.
- The tail lift system demonstrated superior safety and usability in field and laboratory settings.
Conclusions:
- The tail lift is the recommended ambulance stretcher loading system.
- It offers the best combination of safety and usability compared to easi-loader and ramp/winch systems.
- Findings support the adoption of tail lift systems in emergency medical services.
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