Publication Type:

Conference Paper

Source:

Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE (2008)

Keywords:

arterial blood, Bio-medical signal processing, biomedical measurement, Blood, Blood vessels, calibration, Fingers, Infrared detectors, Instrumentation and measurement, Light propagation, Light sources, Optical propagation, Oxygen, oxygen saturation, oxygen saturation measurement, photoplethysmograph, Pulse measurements, pulse oximeter, pulse oximetry, Wavelength measurement

Abstract:

Existing methods of pulse oximetry rely on a calibration curve for the estimation of oxygen saturation in arterial blood (SpO2). A novel method of computation of SpO2 that does not require the use of a calibration curve is presented in this paper. Based on a model proposed here for the propagation of light through skin, tissue, bone and blood, suitable processing steps are identified so that the analytical expression derived for the estimation of SpO2 becomes free of patient and sensor dependent parameters. Experimental results presented herein establish the efficacy of the proposed method.

Cite this Research Publication

K. A. Reddy, George, B., Dr. Madhu Mohan N., and Kumar, V. J., “A Novel Method of Measurement of Oxygen Saturation in Arterial Blood”, in Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE, 2008.

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