Problems of processing reliability in noninvasive measurements of blood oxygen saturation

Anna Cysewska-Sobusiak

doi:10.1117/12.213154

30 June 1995 Problems of processing reliability in noninvasive measurements of blood oxygen saturation

Anna Cysewska-Sobusiak

Proceedings Volume 2634, Optoelectronic and Electronic Sensors; (1995) https://doi.org/10.1117/12.213154
Event: Optoelectronic and Electronic Sensors, 1994, Warsaw-Zegrze, Poland

Abstract

Results of analyses and experiments concerning metrological problems with pulse oximetry principles that are utilized in noninvasive measurements of oxygen content in arterial blood, have been presented. Phenomena which limit processing reliability of the quantity to be sensed, i.e., the oxygen saturation SaO_2%, are considered. Specific groups of affecting factors are distinguished in an approach of their contribution to the measurement uncertainty components. These factors are connected with properties of a living object to be measured, a way the optoelectronic sensor is applied, and external interferences, respectively. In comparative experiments, chosen models of pulse oximeters and the testing device especially made for the author's research, were used. The achieved results are being utilized in works on a design of the novel computer-aided system based on the pulse oximetry idea.

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Anna Cysewska-Sobusiak "Problems of processing reliability in noninvasive measurements of blood oxygen saturation", Proc. SPIE 2634, Optoelectronic and Electronic Sensors, (30 June 1995); https://doi.org/10.1117/12.213154

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KEYWORDS

Oxygen

Reliability

Blood

Sensors

Oximetry

Optical circuits

Oximeters

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