| 摘要 |
The present invention relates to an automatic shut off device in an intravenous infusion set having a dripping bottle, with characteristics that a circular plug formed inside, wherein, a silicon film formed inside the circular plug, a thick rim formed on a perimeter of the silicon film, and a cylinder pipe formed on a bottom of the dripping bottle to connect on a bottom with a tube. With a structure hereinbefore, air can be prevented from entering an individual body through the tube, and also a retro-flow of blood can be prevented, thereby enhancing safety in medical treatment.
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