Pressure accumulation type safety transfusion device
An infusion device and pressure accumulator technology, applied in the field of infusion devices, can solve problems such as patient activity restrictions
Inactive Publication Date: 2011-03-23
杨建平
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Problems solved by technology
This liquid bottle liquid level dropper restricts the patient's activities, because the infusion bottle must be kept at a certain height, otherwise, the blood will flow back
Method used
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[0019] A pressure accumulator infusion set, such as figure 1 As shown, it includes an inflatable membrane pressure accumulator bag 1 made of medical silicone rubber; an accumulator assembly 4, including a liquid injection pipe 42; The liquid injection pipe 42 is connected, and the outlet is airtightly connected with the pressure accumulator bag 1 of the expansion film.
[0020] The medical solution 3 is injected into the inflatable film pressure accumulator bag 1 through the liquid injection tube 42 . When the liquid medicine 3 is injected, the liquid medicine 3 enters the inflatable film pressure accumulator bag 1 through the expansion check valve 41, causing it to expand to generate pressure, where the accumulator assembly 4 functions as a valve core. Furthermore, the patient is no longer limited by the height of the medicinal solution 3 when infusion is being performed; the inflatable film pressure accumulator bag 1 is connected to the input port of the infusion tube 7, an...
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The present invention discloses a pressure-accumulating infusion set and a use method thereof, which belong to the field of infusion sets. The pressure-accumulating infusion set comprises a reservoir, an infusion tube, an infusion needle, a pressure accumulator component and an one-way valve; wherein, the inflow orifice of the infusion tube is connected with the reservoir, and the outflow orificeis connected with the infusion needle; the reservoir is an expandable pressure-accumulating film bag made of medical silicon rubber, which is connected with the inflow orifice of the infusion tube; the pressure accumulator component comprises an injection tube; the inlet of the one-way valve is connected with the injection tube; and the outlet is hermetically connected with the expandable pressure-accumulating film bag. The present invention resolves the problem that the placement position of the reservoir of the prior infusion set is limited by height, and the pressure-accumulating infusion set can be placed on a desktop or in the pocket of a patient. When the pressure-accumulating infusion set is used, liquor is injected through the injection tube, the expandable pressure-accumulating film bag is gradually expended, and under the pressure applied by the expandable pressure-accumulating film bag, the liquor flows into the infusion tube through the inflow orifice of the infusion tube;the flow rate of a regulable throttle on the infusion tube is then regulated; and finally, the infusion set is connected with the infusion needle through an infusion needle connector.
Description
technical field [0001] The invention relates to an infusion set, in particular to a liquid storage bag of the infusion set. Background technique [0002] At present, commonly used infusion set is to adopt glass stopper pressure syringe and liquid bottle liquid level dropper. Generally, the pressure generated by the glass plug pressure and the liquid level at a certain height can meet the requirements of infusion. This liquid bottle liquid level dropper makes patient's activity limited, because the infusion bottle must be kept on a certain height, otherwise, blood will backflow. Contents of the invention [0003] The purpose of the present invention is to provide a pressure accumulator infusion device that alleviates the movement restriction of the patient undergoing infusion, aiming at the disadvantages of the existing infusion device. [0004] The technical scheme adopted in the present invention is: [0005] A pressure accumulating infusion device, comprising a liquid...
Claims
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IPC IPC(8): A61M5/152A61M39/24A61M5/165A61M39/00A61M5/168
Inventor 杨建平
Owner 杨建平