From the above concepts, innovative vendors have invented the application of heat to reduce pain by virtue of the principle of thermal conductivity by using the medium to expand with heat from a heating device, a cup made of metal material-aluminum, which has a value of Thermo or thermal conductivity, high dosages.Can bring the heat to the left and right sides of the muscles in the lower back and the main radiation of heat is distributed around the sides according to the properties of thermal energy, spread to the muscles in the lower back of both plates. It uses electronic in-circuit temperature control within the safe tissue and effective in reducing pain is 40-45 degrees Celsius, and time control, appropriate treatment is 15-30 minutes.
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