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James M. Osgood: An Inventor Behind Sprague's “Self-Watching” Apparatus for G.Q. Colton's Revival of Nitrous-Oxide Anesthesia

  • Brian L. Hom
    Affiliations
    Anesthesiology and Perioperative Medicine, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA
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  • George S. Bause
    Correspondence
    Corresponding author at: 5247 Wilson Mills Rd, No. 282, Cleveland, OH 44143-3016.
    Affiliations
    Anesthesiology and Perioperative Medicine, Case Western Reserve University School of Medicine, 11100 Euclid Ave, Cleveland, OH, 44106, USA

    Oral and Maxillofacial Surgery, Case Western Reserve University School of Dental Medicine, 2124 Cornell Rd, Cleveland, OH, 44106, USA

    Honorary Curator and Laureate of the History of Anesthesia, Wood Library-Museum of Anesthesiology, American Society of Anesthesiologists, 1061 American Ln, Schaumburg, IL, 60173-4973, USA
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      Highlights

      • J.M. Osgood invented thermoregulators to produce nitrous oxide and later to heat homes.
      • His collaborator, A.W. Sprague, mass-produced thermoregulated nitrous-oxide generators.
      • Sprague-Osgood patents helped G.Q. Colton franchise nitrous oxide to American dentists.

      Abstract

      Inventor J.M. Osgood enabled a fellow Massachusetts inventor, A.W. Sprague, to manufacture heat-regulated nitrous-oxide generators. These generators assisted New Yorker G.Q. Colton in opening exodontia franchises nationwide which revived the use of nitrous-oxide anesthesia.

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      References

      1. Osgood JM, inventor. Improved automatic regulator. US Patent 44484, November 1, 1864.

        • Fox C.J.
        On the manufacture of nitrous oxide.
        Br J Dent Sci. 1868; 11: 490-497
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        The patent trail from etherist W.T.G. Morton to laughing-gas pioneer G.Q. Colton.
        Anesthesiology. 2019; 130: 8https://doi.org/10.1097/ALN.0000000000002541
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        The 2016 Lewis H. Wright memorial lecture: America's doctor anaesthetists (1862-1936)—turning a tide of asphyxiating waves.
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      2. Am J Dent Sci. [Jan] 1868; 1 (advertisement)
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        On Nitrous Oxide.
        JE Adelard, London, UK1869
      3. Sprague AW, Osgood JM, Inventors. Improvement in automatic draft-regulators for stoves and furnaces. US patent 137632, April 8, 1873.

      4. Sprague AW, Osgood JM, inventors. Improvement in automatic heat-regulators for houses. US patent 150200, April 28, 1874.

        • Bause G.S.
        From baking up nitrous oxide to making the home thermostat: the heat regulators of Alfred W. Sprague.
        Anesthesiology. 2016; 125: 888https://doi.org/10.1097/ALN.0000000000001395