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KMID : 0615720130300040125
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Jouranl of Korean Acupuncture and Moxibustion society
2013 Volume.30 No. 4 p.125 ~ p.138
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A Comparative Study on Heat Transfer Characteristics in Tissue Model with Application of Heating or Cooling Therapeutic Modalities
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Kim Yu-Jong
Shin Kyung-Min
Kim Eun-Jung
Kim Kyung-Ho
Kim Kap-Sung
Lee Seung-Deok
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Abstract
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Objectives : This study aimed to investigate temperature characteristics by heat transfer type of therapeutic modalities.
Methods : We selected heating and cooling modalities that are frequently used in clinical by heat transfer type: conduction, convection, radiation, and conversion. We used ham as tissue model, and applied the modalities for 30 minutes. We measured real-time changed temperature(°C) of the surface, 2, 4, 6, 8, 10, 12, and 14 mm depth.
Results :
1.In conduction-using hot pack, ice pack, and CryoStamp heating-cooling combination therapy unit(40 °C/∼15 °C), the surface temperature sharply rose close to equilibrium in first 5 minutes.
2.In convection-using smokeless moxa, temperature slowly rose to the maximum at 25-minute elapsed time. But in another convection-using CRAiS cryotherapy device, result was similar to that of conduction.
3.In radiation-using infrared lamp, result was similar to that of conduction, but not reached equilibrium during applying time.
4.In conversion-using ultrasound device, temperature was the highest at 6 mm depth, and not reached equilibrium during applying time.
Conclusions : We could comprehend temperature characteristics and proper use of modalities by heat transfer type. It would be necessary to consider in vivo physical conditions in further studies.
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KEYWORD
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Cryotherapy, Heat transfer, Temperature, Thermotherapy, Tissue model.
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