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Under the increasing natural and man-made disasters, a lot of the wounded bleed to die due to a lack of emergency workers. The smart tourniquet provides safe and easy way to stop bleeding by themselves and reduce the risk of permanent damage to the limbs. After the user has adjusted the length of the tourniquet until it is real tight, then press the grey button, the smart tourniquet will automately inflate itself. In the meantime, it will time for 50 minutes and then deflate itself. Also you can deflate it just by pressing the red button.
Fei Cen Zhiyuan Yang Defu Bao Yu Cao