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http://dx.doi.org/10.14406/acu.2014.024

Study on the Heat Transfer Characteristics of Warm Needle Materials in Korean Medicine  

Yeo, Sujung (Research Group of Pain and Neuroscience, WHO Collaborating Centre, East-West Medical Research Institute, Kyung Hee University)
Chung, Jee Hyun (Department of Meridian & Acupoint, College of Oriental Medicine, Kyung Hee University)
Kim, Young-Kon (Department of Biomedical Engineering, Inje University)
Koo, Sungtae (Division of Meridian and Structural Medicine, School of Korean Medicine, Pusan National University)
Lee, Min Kyu (Research Group of Pain and Neuroscience, WHO Collaborating Centre, East-West Medical Research Institute, Kyung Hee University)
Lim, Sabina (Research Group of Pain and Neuroscience, WHO Collaborating Centre, East-West Medical Research Institute, Kyung Hee University)
Publication Information
Korean Journal of Acupuncture / v.31, no.3, 2014 , pp. 125-135 More about this Journal
Abstract
Objectives : Warm needling is the method combining the effects of acupuncture and moxibustion. In modern clinics, warm needling is only affected by treatment time or frequency. We need to study the physical characteristics of warm needles currently used in clinics in order to develop more efficient and economical treatments. Methods : We collected various warm needle specimens and analyzed chemical constitutions, measured heat transfer velocity, micro Vicker's hardness and specific resistance. We studied the relationship between heat transfer velocity and micro Vicker's hardness as well as that between heat transfer velocity and specific resistance. Results : The heat transfer velocity of the Silver_HL was 3.3 mm/sec, of the Au alloy group was 1.3~2.6 mm/sec, and Silver_IN, Silver_ZK and SS groups was less than 0.3 mm/sec. We therefore concluded that the needle composed of Ag has the best heat transfer velocity. In the Micro Vicker's hardness test, Vicker's hardness of the Au alloy group was 159~170 Hv, of Silver_HL was 181 Hv, and of the Silver_IN, Silver_ZK, SS group was 450.8~519 Hv. In the Silver_IN, Silver_ZK and SS groups, hardness was inversely proportial to thermal conductivity. In the specific resistance test, the specific resistance of Silver_HL was the lowest, that of the Au alloy group was the second lowest, and that of the Silver_IN, Silver_ZK, SS groups were the highest. Conclusions : We concluded that the needle composed of Ag has the best heat transfer velocity, highest electric conductivity and thermal conductivity, therefore the needle composed of Ag is suitable for warm needling.
Keywords
heat transfer; electric conductivity; thermal conductivity; warm needle;
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Times Cited By KSCI : 4  (Citation Analysis)
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