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The Hot-Wire Spirometer Ikuto Yoshiya 1 , Masamichi Takemura 2 , Takao Nakajima 3 , Isao Nagai 3 , Sataro Jitsukawa 3 1Department of Anesthesiology, Osaka University School of Medicine 2The 1st Dept. of Surgery, Osaka University School of Medicine 3Dept. of Operation Center, Osaka University Hospital pp.225-229
Published Date 1973/3/15
DOI https://doi.org/10.11477/mf.1404202473
  • Abstract
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The hot-wire spirometer was evaluated for its functional characteristics and clinical applica-bility. The hot-wire spirometer (Autospirometer:Minato-Ikagaku) is based on King's law, accord-ing to which heat removed from a hot-wire by an air-stream is linearly related to the square root of the velocity of the air-stream. The linea-rity was assessed by comparing FVC of normal volunteers with that measured by a Benedict-Roth respirometer. The FVC measured by the hot-wire spirometer was 103.0± 2.7% (mean± S. D.) of that measured by the respirometer.


Copyright © 1973, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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