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Avoid equipment graveyards: rigorous process to improve identification and procurement of effective, affordable, and
Elizabeth Asma1, Megan Heenan2, George Banda3
1Rice University Rice360 Institute for Global Health Technologies, Houston, TX, USA. Elizabeth.asma@rice.edu.
Insights
A new evidence-based process successfully identified rugged, usable medical devices for newborn care in low-resource hospitals. This improved device selection and uptime, reducing neonatal mortality risks in vulnerable settings.
Area of Science:
- Global Health
- Biomedical Engineering
- Medical Device Technology
Background:
- Millions of newborns die annually from preventable causes, particularly in Africa.
- Scaling hospital care requires appropriate technology for small and sick newborns.
- Existing devices often fail in low-resource settings due to environmental and logistical challenges.
Purpose of the Study:
- To develop and implement an evidence-based technology review process.
- To identify suitable medical devices for newborn care in low-resource hospitals.
- To ensure devices are effective, affordable, rugged, and easy-to-use.
Main Methods:
- An eight-step review process including Target Product Profile (TPP) definition, desk research, and laboratory/environmental/usability testing.
- Purchasing, installing, and monitoring devices in newborn wards across Kenya, Malawi, Nigeria, and Tanzania.
- Evaluating 271 devices against TPPs and performance criteria.
Main Results:
- Only 16.6% of considered devices met TPPs initially; 23 products passed all evaluations.
- Usability testing revealed significant failure rates (37.8%) for some devices.
- 2457 devices were installed, achieving 99% average uptime with minimal failures.
Conclusions:
- An evidence-based device selection process enhances procurement of appropriate newborn care technology for low-resource settings.
- Feedback to manufacturers can improve medical device quality for challenging environments.
- This process can be adapted for selecting medical devices in diverse low-resource contexts.
Background:
Millions of newborns die annually from preventable causes, with the highest rates occurring in Africa. Reducing neonatal mortality requires investment to scale hospital care, which includes providing hospitals with appropriate technology to care for small and sick newborns. Expensive medical devices designed for high-resource settings often fail to withstand conditions in low-resource hospitals, including humidity, dust, frequent user turnover, complex maintenance, lack of stable power, or difficulty sourcing expensive consumables. Rigorous evaluation protocols are needed to identify effective, affordable, rugged, and easy-to-use medical devices appropriate for quality hospital-based newborn care in low-resource hospitals.
Methods:
We developed an evidence-based technology review process to identify medical devices suitable for small and sick newborn care in low-resource hospitals. The eight-step process consists of: identifying devices needed for effective newborn care; defining Target Product Profiles (TPPs); identifying commercially-available products that may meet TPPs; conducting desk research to evaluate technologies against TPPs; performing technical performance verification testing under laboratory conditions; verifying technical performance after exposure to heat, humidity, dust, and power loss; performing usability evaluations with nurses, and qualifying devices that pass all steps. Devices were purchased, installed, and monitored in newborn wards across Kenya, Malawi, Nigeria, and Tanzania.
Results:
Of 271 devices considered, only 45 (16.6%) met corresponding TPPs based on desk research. Thirty-nine were purchased and evaluated in the laboratory; five (12.8%) failed to meet TPPs. Thirty-four products passing laboratory evaluation underwent short-term environmental testing; only one (2.9%) device failed. Thirty-seven products underwent usability testing with 127 clinicians; surprisingly, 14 (37.8%) failed to meet TPPs. Twenty-three products passed all evaluations, and 2457 devices were installed across 65 newborn wards in Kenya, Malawi, Nigeria, and Tanzania. Continuous device monitoring reported minimal device failures, with failed devices typically returned to service within two days, resulting in an average uptime (service days divided by days installed) of 99%.
Conclusion:
An evidence-based device selection process can improve procurement of effective, affordable, rugged, usable newborn care devices for low-resource hospitals, and feedback to manufacturers can improve device quality. Similar processes could be adapted beyond newborn care to identify medical devices suitable for implementation in any low-resource setting.
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