Pulse oximetry: an improved in vitro model that reduces blood flow-related artifacts

  title={Pulse oximetry: an improved in vitro model that reduces blood flow-related artifacts},
  author={Thomas Edrich and M. Flaig and Reinhold Knitza and Gerhard Rall},
  journal={IEEE Transactions on Biomedical Engineering},
Artifacts may occur in many in vitro models of pulse oximetry due to the optical effects of synchronously oriented and/or deformed erythrocytes. Although these artifacts are most likely negligible in living superficial tissues, they are demonstrated to have considerable influence on the calibration curve obtainable from the in vitro simulation of pulse oximetry in such models, especially at low oxygen saturations. Therefore, the authors have developed a modified in vitro model which reduces the… CONTINUE READING
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