Conference Proceedings

Smartphone-based low cost oximeter photoplethysmography

AH Khandoker, J Black, M Palaniswami

Proceedings of the 6th International Conference on Electrical and Computer Engineering | Published : 2010

Abstract

The pulse oximeter plethysmograph waveform reflects dynamic net changes in arteriolar inflow and venous outflow of tissue bed capillaries interrogated by the oximeter light emitting diodes. In this study we have developed a simple and low cost oximeter photoplethysmograph device which has been interfaced with mobile phone through USB (Universal Serial Bus). There has been an unprecedented increase in the number of mobile phone subscribers in the developing world which has seen mobile phones used in ways not seen in the developed world. Mobile phones can be used to display the patient's blood oxygen saturation and pulse rate, thus dramatically reducing the cost, and to provide doctors station..

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