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Sensitivity Enhancement of Spirometer Employing Ultrasonic Method

Young Kil Kim|Seung Heon Han
대한의용생체공학회 (The Korea Society Of Medical & Biological Engineering)|2005.12|의공학회지 (Journal of biomedical Engineering Research)|제26권 제6호|pp. 351-356

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Abstract

Respiration measurement method using an ultrasound sensor is influenced very little by an error of inertia and pressure. This device measures the amount and flow of respiration using a delivery speed difference of the ultrasound waves that are a return format by the pneumatic stream that is a flogging of ultrasound waves during transmission and receipt as having used a characteristic of ultrasound waves. This paper examines improving the sensor's sensitivity during transmission and receipt of the signal. Because the measurement must be performed on patients, clinicians need to be sure that it is accurately measuring even very weak breathing.

참고문헌 (10)

  1. "A Method for Calculating Acoustic Fields in a Finite Cylindrical Channel with a Flow", 44(1) (1998)
  2. "Medical Instrumentation Application and Design" (1998), John Wiley & Sons
  3. "Lung volumes and forced ventilator flows. Report working party on standardization of lung function tests", pp.5~40 (1993)
  4. "Production of Sound in Axisymmetric Oscillations of a Finite Open Pipe", 35(1), pp.138~147 (1989)
  5. "Radiation of Sound by a Rigid Cylindrical Shell of a Finite Length", 35, pp.983~989 (1989)
  6. "Radiation of sound by a Radially Oscillating Pipe", 36(6), pp.1071~1076 (1990)
  7. "Accuracy in Real Time Ultrasonic Applications and Transit-Time Flow Meters" (1998)
  8. "Ultrasonic Measurements for Process Control" (1989), Academic press Inc
  9. "Radiation and Propagation of Sound in a Cylindrical Pipe with a Flow", pp.57~60 (1975)
  10. "Guide to Selecting Non-intrusive Flow meters for Closed Pipe Measurements", 29(12), pp.29~35 (1982)

관련 논문AI추천

Performance Enhancement of Ultrasonic Sensitivity by Improving the Transmitter CircuitCheul Won Lee, Young Kil Kim대한의용생체공학회 · 의공학회지2006 · 제27권 제4호소형 공기챔버를 센서소자로 사용하는 새로운 호식기류 계측기술김경아, 김군진, 이재헌, 이태수, 차은종한국센서학회 · 센서학회지2004 · 제13권 제2호스프링 탄성력을 이용하는 최대호식기류계의계측오차 보정기법김경아, 김원재, 김현식, 이재헌, 이태수, 차은종대한의료정보학회 · Healthcare Informatics Research2002 · 제8권 제3호O2/CO2 분석기를 사용하여 폐의 기능적 잔기용량을 계측하는 질소세척법 개발김경아, 김군진, 이재헌, 이태수, 차은종한국센서학회 · 센서학회지2004 · 제13권 제5호An Efficient Focusing Method for High Resolution Ultrasound ImagingKang-Sik Kim대한의용생체공학회 · 의공학회지2006 · 제27권 제1호호흡 감지를 위한 복부 부착형 전도성 고무소자의 계측특성김경아, 김성식, 이승직, 이태수, 조동욱, 차은종한국센서학회 · 센서학회지2007 · 제16권 제1호

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