Objective to design a pressing belt for the vein transfusion after pulling out the needles and observe its clinical effects in stopping bleed.
目的研制一种静脉输液拔针后止血按压带，并观察其临床应用效果。
Objective to design a pressing belt for the vein transfusion after pulling out the needles and observe its clinical effects in stopping bleed.
目的研制一种静脉输液拔针后止血按压带，并观察其临床应用效果。
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