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An analysis on the theory of pulse oximetry by Monte Carlo simulation

  • Beihang University
  • General Hospital of People's Liberation Army

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The pulse oximetry is a kind of electronic instrument that measures the oxygen saturation of arterial blood and pulse rate by non-invasive techniques. It enables prompt recognition of hypoxemia. In a conventional transmittance type pulse oximeter, the absorption of light by oxygenated and reduced hemoglobin is measured at two wavelength 660nm and 940nm. But the accuracy and measuring range of the pulse oximeter can not meet the requirement of clinical application. There are limitations in the theory of pulse oximetry, which is proved by Monte Carlo method. The mean paths are calculated in the Monte Carlo simulation. The results prove that the mean paths are not the same between the different wavelengths.

Original languageEnglish
Title of host publicationSeventh International Symposium on Instrumentation and Control Technology
Subtitle of host publicationMeasurement Theory and Systems and Aeronautical Equipment
DOIs
StatePublished - 2008
Event7th International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment - Beijing, China
Duration: 10 Oct 200813 Oct 2008

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7128
ISSN (Print)0277-786X

Conference

Conference7th International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment
Country/TerritoryChina
CityBeijing
Period10/10/0813/10/08

Keywords

  • Light propagation
  • Monte Carlo simulation
  • Pulse oximetry

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