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Journal of Clinical Monitoring

, Volume 3, Issue 2, pp 135–138 | Cite as

History of blood gas analysis. VII. Pulse oximetry

  • John W. Severinghaus
  • Yoshiyuki Honda
Historical Review

Abstract

Pulse oximetry is based on a relatively new concept, using the pulsatile variations in optical density of tissues in the red and infrared wavelengths to compute arterial oxygen saturation without need for calibration. The method was invented in 1972 by Takuo Aoyagi, a bioengineer, while he was working on an ear densitometer for recording dye dilution curves. Susumu Nakajima, a surgeon, and his associates first tested the device in patients, reporting it in 1975. A competing device was introduced and also tested and described in Japan. William New and Jack Lloyd recognized the potential importance of pulse oximetry and developed interest among anesthesiologists and others concerned with critical care in the United States. Success brought patent litigation and much competition.

Key words

Oxygen: saturation Measurement techniques: oximetry Blood: gas analysis, history 

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References

  1. 1.
    Severinghaus J, Astrup P. History of blood analysis. VI. Oximetry. J Clin Monit 1986;2:270–288PubMedCrossRefGoogle Scholar
  2. 2.
    Petersen J. The development of pulse oximetry. Science 1986;232:Gl35–136Google Scholar
  3. 3.
    Aoyagi T, Kishi M, Yamaguchi K, Watanabe S. Improvement of the earpiece oximeter. Abstracts of the 13th annual meeting of the Japanese Society of Medical Electronics and Biological Engineering, 1974:90–91 (Jap)Google Scholar
  4. 4.
    Nakajima S, Ikeda K, Nishioka H, et al. Clinical application of a new (fingertip type) pulse wave oximeter. Translated from the Japanese. Jap J Surg 1979;41:57–61 (Jap)Google Scholar

Copyright information

© Little, Brown and Company, Inc. 1987

Authors and Affiliations

  • John W. Severinghaus
    • 1
  • Yoshiyuki Honda
    • 2
  1. 1.Department of Anesthesia and the Cardiovascular Research InstituteUniversity of California Medical CenterSan FranciscoCA
  2. 2.Department of PhysiologyChiba University Medical SchoolChibaJapan

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