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If the the earthquake or traffic accident happened, there are often many wounded person under the heavy,and appear the situation of"crush syndrome", in this case, when in the rescue, if not pressing timely to prevent back the flow of blood, toxic substances would be reflux to the body,then even amputation would be unuseful.This design can be inflatable and pressurized rapidly,preventing backflow of blood. Prevent the emergence of"crush syndrome",and save time to rescue more
Dalian Minzu University