Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Effect of Acupuncture at the LU5(Reinforcement), LU10(Reduction) on the Pulsation Scale of Chon, Gwan and Chuk region using High Resolution Infrared Camera

척택.어제 침자가 고해상도 적외선 카메라로 관찰한 촌구맥 부위의 온도 Pulsation 변화에 미치는 영향 연구

  • Na, Chang-Su (Oriental Medicine, Dongshin University) ;
  • Jeon, Hyo-Sang (College of IT Engineering, Kyungpook National University) ;
  • Kim, Jee-Hyun (College of IT Engineering, Kyungpook National University)
  • 나창수 (동신대학교 한의과대학) ;
  • 정효상 (경북대학교 IT대학, 전자공학부) ;
  • 김지현 (경북대학교 IT대학, 전자공학부)
  • Received : 2010.12.02
  • Accepted : 2011.03.28
  • Published : 2011.04.30
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Abstract

Arteria radialis is a branch of the brachial artery extending down the forearm around the wrist where it closes to skin surface. In the oriental medicine, the skin above arteria radialis has an important role because oriental medicine practitioners put their finger tips on the area, and diagnose patient's health conditions by feeling the pulsation of the arterial contraction. The finger tip diagnostic method relies on subjective decision of the practitioner; and there is a need to develop an objective diagnostic modality. The pulsation of the arterial contraction appears not only a movement on the site but also as temperature fluctuation due to pulsatile feeding of warmer blood. The goal of this study is to demonstrate a feasibility of using an infrared camera quantitatively to detect the temperature fluctuation on the skin. Clinical important three different areas, called chon, gwan, chuk, near a wrist where the arteria radialis reaches close to skin surface are marked with small pieces of surgical tape. A high-speed and high-resolution infrared camera with a 3 cm of field of view measures these areas for 10 second at 200 frames per second with a 320*240 pixel size. The pulsatile temperature fluctuation is calculated after passing a band pass filter to remove any stationary temperature over 10 second. The temperature fluctuation of a healthy male volunteer is measured at a room temperature as a control, and is compared with another measurement performed after 20 minutes staying in a room at a 40 degree Celsius. This comparison is repeated for three times, and indicates that the fluctuation increases after staying 20 minutes in the warm room. This increase becomes smaller when the person stays in the warm room with an acupuncture treatment that decreases body temperature. So that an objective diagnostics on the site may become feasible.

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References

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