Journal of Korean Physical Therapy Science (대한물리치료과학회지)

Korean Physical Therapy Science (대한물리치료과학회)
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Production of Spirometer 'The Spirokit' and Performance Verification through ATS 24/26 Waveform

휴대형 폐기능 검사기 'The Spirokit'의 제작 및 ATS 24/26파형을 통한 성능검증

  • Byeong-Soo Kim (Department of Physical Therapy, Graduate School, Daejeon University) ;
  • Jun-Young Song (Department of Physical Therapy, Graduate School, Daejeon University) ;
  • Myung-Mo Lee (Department of Physical Therapy, Daejeon University)
  • 김병수 (대전대학교 물리치료학과 대학원) ;
  • 송준영 (대전대학교 물리치료학과 대학원) ;
  • 이명모 (대전대학교 물리치료학과)
  • Received : 2022.12.19
  • Accepted : 2023.02.13
  • Published : 2023.09.30
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Abstract

Background: This study aims to examine the useful- ness of the portable spirometer "The Spirokit" as a clinical diagnostic device through technology introduction, precision test, and correction. Design: Technical note Methods: "The Spirokit" was developed using a propeller-type flow rate and flow rate measurement method using infrared and light detection sensors. The level of agreement between the Pulmonary Waveform Generator and the measured values was checked to determine the precision of "The Spirokit", and the correction equation was included using the Pulmonary Waveform Generator software to correct the error range. The analysis was requested using the ATS 24/26 waveform recognized by the Ministry of Food and Drug Safety and the American Thoracic Society for the values of Forced Voluntary Capacity (FVC), Forced Expiratory Volume in 1second (FEV1), and Peak Expiratory Flow (PEF), which are used as major indicators for pulmonary function tests. All tests were repeated five times to derive an average value, and FVC and FEV1 presented accuracy and PEF presented accuracy as the result values. Results: FVC and FEV1 of 'The Spirokit' developed in this study showed accuracy within ± 3% of the error level in the ATS 24 waveform. The PEF value of 'The Spirokit' showed accuracy within the error level ± 12% of the ATS 26 waveform. Conclusion: Through the results of this study, the precision of 'The Spirokit' as a clinical diagnosis device was identified, and it was confirmed that it can be used as a portable pulmonary function test that can replace a spirometer.

Keywords

References

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