As long as qualified products will not have this situation. Regular hot water bags are temperature control will automatically power off.
Other magical hot water bag:1, hot water bag can promote wound healing because warm can stimulate tissue regeneration and relieve pain and strengthen the organization and the role of nutrition, when warming effect on the surface of the wound, a lot of serous exudate increased, can help remove the pathological products; heat can cause blood vessels to dilate, blood vessel permeability, help discharge tissue metabolism the product and the absorption of nutrients, inhibit the development of inflammation, accelerate wound healing.2, relieve pain: knee pain with hot water bottle on the knee hot compress, the pain will soon be eased. In fact, hot compress not only can relieve joint pain, the lumbago, sciatica, dysmenorrhea (are cold syndrome), the hot water bag on the local pain, every 20 minutes, every 1 ~ 2 times, also can significantly relieve pain; subcutaneous hematoma caused by sprain and contusion injury, in 24 hours, with hot water bag hot compress, can promote the absorption of subcutaneous congestion.3, apply back: winter cold cough, cough with hot water bag filled with hot water, with a thin towel wrapped, deposited on the back of the cold, cough will soon be. Hot compress back, can make the upper respiratory tract, trachea, lungs and other parts of the blood vessels and blood circulation to accelerate, in order to enhance the metabolism and the ability of white blood cells, and a cough. This method is particularly effective in the early cold cough.
It is necessary to note that in the hot water bag after the power has been the need to cut off the power supply. If you do not have to let the power supply has been inserted on the board is prone to repeated ohmic heating. When the temperature of the hot water bag cools down, the hot water bag will be heated by itself, so the service life of the product will be reduced.
Look at what kind of hot water bag you bought. Inferior may explode, in general, is not explosive.
