Lifebox Pulse Oximeter
The Lifebox Pulse Oximeter is a device for monitoring oxygen saturation in low-resources settings.
The Lifebox Pulse Oximeter is a rechargeable monitor for oxygen saturation that can be used for adults and children. It is especially designed for use in low-resource settings.
Goal 3: Good health and well-being
The pulse oximeter is manufactured by Acare Technology Co. Ltd. which specializes in monitoring and anesthesia devices.
The Lifebox sensor research disclosure can be found here.
As of July, 2021, Lifebox has distributed 28,000 pulse oximeters in over 116 countries across the globe.
The Lifebox Pulse Oximeter is designed for settings with inconsistent electrical power, as the charger protects the device from surges and the battery(3 AA Alkaline batteries or Lithium ion rechargeable battery) has a life of 14 hours in case of a power outage. It can be paired with two probes: a universal probe for 3+ months and a pediatric probe, both of which are included with the device purchase.
The product has the following specifications:
Pulse rate range: 25 – 250 bpm
Resolution : 1 bpm
It has a display type 2.4” color display 320 x 240 pixels with the following parameters on display; Digital SpO2, Pulse Rate, Pleth bar & SpO2 waveform
No schematics are available.
The product comes in a package that includes:
- Pulse oximeter
- Universal probe for 3+ months age
- Pediatric probe
- Pillow clip
- Multi region charger
- Multi language education DVD
These components can be replaced but the internal components of the oximeter cannot.
Lifebox says their pulse oximeter
- is suitable and sustainable for use under-resourced environments
- is durable,
- is able to survive severe voltage fluctuations when plugged in
- has long-lasting battery for use during power outages
- is easy to use
- is inexpensive
- is light and compact
- is handheld
- has a high resolution, 2.4” color display
The pulse oximeter was tested by Lifebox and by the University of California San Francisco and Duke University Medical Center.
If surges more severe than EN61000-4-5 +- 1KV line to line or +- 2KV line to ground are likely to occur, a surge protector should be used when charging the oximeter.
Dubowitz G, Breyer K, Lipnick M, Sall JW, Feiner J, Ikeda K, Macleod DB, Bickler PE. Accuracy of the Lifebox pulse oximeter during hypoxia in healthy volunteers. Anaesthesia. 2013;68(12):1220–1223.
Finch LC, Kim RY, Ttendo S, Kiwanuka JK, Walker IA, Wilson IH, Weiser TG, Berry WR, Gawande AA. Evaluation of a large-scale donation of Lifebox pulse oximeters to non-physician anaesthetists in Uganda. Anaesthesia. 2014;69(5):445–451.
Albert V, Mndolo S, Harrison EM, Osullivan E, Wilson IH, Walker IA. Lifebox pulse oximeter implementation in Malawi: evaluation of educational outcomes and impact on oxygen desaturation episodes during anaesthesia. Anaesthesia. 2017;72(6):686–693.
Sama HD, Maman AFOBN, Walker IA. Incidence of hypoxia and related events detected by pulse oximeters provided by the Lifebox Foundation in the maternity unit at Sylvanus Olympio University Teaching Hospital, Togo. Journal of Anesthesia. 2015;29(6):971–973.
Desalu I, Diakparomre OI, Salami AO, Abiola AO. The effect of nail polish and acrylic nails on pulse oximetry reading using the Lifebox oximeter in Nigeria. The Nigerian Postgraduate Medical Journal. 2013;20(4).
Enright A, Merry A, Walker I, Wilson I. Lifebox: A Global Patient Safety Initiative. A & A Case Reports. 2016;6(12):366–369.
The Lifebox Pulse oximeter complies with the World Health Organization and World Federation of Societies of Anesthesiologists standards for suitable application in under-resourced environments.
The accuracy of the Lifebox pulse oximeter was compared against arterial hemoglobin oxygen saturation by academic researchers. It was also compared in accuracy to FDA-approved pulse oximeters.
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