Automatic disposable vacuum drainager
A negative pressure drainage, disposable technology, applied in suction containers, suction devices, medicine devices, etc., can solve the problems of insufficient drainage effect, inability to form a continuous and stable negative pressure, retrograde infection, etc., to prevent retrograde infection, The effect of facilitating pre-hospital first aid
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[0009] In the figure, a disposable automatic negative pressure drainage device includes an infusion tube puncturer 1, an infusion tube 2, a drainage tube 6, a drainage tube 8, and an effusion bag 9, and is characterized in that: the infusion tube puncturer 1 , infusion tube 2, drainage tube 6, diversion tube 8, and effusion bag 9 are sequentially connected to form a "D" shape, the drainage tube 6 has a medical one-way liquid valve 7, and the infusion tube 2 has a transparent drop Kettle 3 and flow regulating valve 4. During use, the effusion bag 9 is lower than the drainage hole 5, the infusion tube 2 is higher than the drainage hole 5, the flow regulating valve 4 is opened, and the liquid is continuously dripped at a rate of 30-60 drops / min. The liquid in the infusion tube 2 is due to gravity and The siphon effect flows to the effusion bag 9 through the drainage tube 8. During this process, a continuous and stable negative pressure can be formed in the drainage tube 6, and th...
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