Negative pressure conduction type self-cutoff device of disposable venous infusion apparatus
A technology of conduction device and negative pressure device, which is applied in the field of self-cutting negative pressure conduction device of disposable venous infusion set, which can solve the problems of inaccurately grasping the time of changing the medicine solution or stopping the infusion, increasing the pain of the patient, and not being able to guarantee, etc. Achieve the effects of easy promotion and application, reducing patient pain and improving work efficiency
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[0054] Below in conjunction with structural representation accompanying drawing, the present invention is described in detail, as figure 1As shown, the negative pressure transmission device 1-2 is combined with the lower part of the Murphy's tube 1-1, the O-ring 1-4, the lower infusion catheter connector 1-5, and the suspension sealing plug 1-6 to form an intravenous infusion set Self-blocking negative pressure conduction device 1. During the infusion process, the medicinal liquid flows from the lower liquid outlet 1-1-1 of the Murphy's tube 1-1, flows into the liquid inlet 1-2-1-2 of the diversion tube, and enters the left liquid chamber 1-2-1 -3, the medicinal liquid flows out from the outlet 1-2-1-4 of the left liquid chamber, and enters the diversion bag 1-2-2, and the medicinal liquid is inside the diversion bag 1-2-2, from bottom to top, After the air is exhausted, the liquid medicine inlet 1-2-1-7 of the right liquid chamber flows into the right liquid chamber 1-2-1-6,...
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