Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Effect of Number and Condition of Reflection Site on Pulse Wave

반사 지점의 개수와 조건이 맥파에 미치는 영향

  • Lee, Min-Woo (Department of East-West Medical Engineering, Sangji University) ;
  • Jang, Min (Department of Oriental Biomedical Engineering, Sangji University) ;
  • Shin, Sang-Hoon (Department of Oriental Biomedical Engineering, Sangji University)
  • 이민우 (상지대학교 동서의료공학과) ;
  • 장민 (상지대학교 한방의료공학과) ;
  • 신상훈 (상지대학교 한방의료공학과)
  • Received : 2019.10.22
  • Accepted : 2019.12.24
  • Published : 2020.02.29
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Abstract

To develop cardiovascular simulator capable of implementing pulse waves similar to the human body, accurate information about reflection wave is required. However, the conclusion is still not clear and various discussions are underway. In this study, the pulse wave velocity of the tube used in the experiment was first determined by measuring the pressure waves at two points in a single tube system with the experimental device to implement the pulse wave transmission of blood vessels, and the superposition time and characteristics of the reflection wave were confirmed. After that, an air chamber was set at the reflection site, and the effect of the change of air volume on the reflection wave was investigated. Finally, the effect of the number of branches connected to a single tube on the reflection wave was investigated. The superposition time of the reflection wave can be controlled by the air volume of the air chamber, and the magnitude of the reflection wave is influenced by the number of reflection sites that generate the reflection wave. The results of this study may be of practical assistance to simulator researchers who want to implement pulse wave similar to clinical data. It is expected that the more results similar to clinical are provided, the greater the scope of the simulator's contribution to clinical cardiovascular research.

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References

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