CN104511065A

CN104511065A - Medical infusion device

Info

Publication number: CN104511065A
Application number: CN201410835944.0A
Authority: CN
Inventors: 陶杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-12-28
Filing date: 2014-12-28
Publication date: 2015-04-15

Abstract

The invention discloses a medical infusion device. The medical infusion device comprises a liquid storing box body, a separating plate, an air guide tube, a plug puncture outfit, a dropping bucket, a flow speed regulator, a liquid medicine filter, an infusion hose and an intravenous needle; one end of the infusion hose is equipped with the plug puncture outfit, and while the other end of the infusion hose is equipped with the intravenous needle; the dropping bucket, the flow speed regulator and the liquid medicine filter are arranged on the infusion hose. The medicinal infusion device further comprises a medicine adding tube and a sponge ball body; the medicine adding tube is arranged on the dropping bucket and equipped with a detachable cover; the sponge ball body is arranged on the upper surface of the infusion hose. With the adoption of the medical infusion device, liquid medicine can stable drop at a constant speed without being influenced by the infusion speed.

Description

A kind of medical infusion device

Technical field

The present invention relates to technical field of medical instruments, be specifically related to a kind of medical infusion device.

Background technology

Medical infusion bottle be for patient infusion fashionable dress the bottle of the liquid of medical configuration in defeated human body.Transfusion device be for venous transfusion through aseptic process, the common disposable medical treatment consumptive materials of setting up passage between vein and medicinal liquid.Generally connected to form by intravenous needle, helmet, infusion tube, liquid medicine filter, flow regulator, dropping funnel, bottle plug puncture unit, air inlet pipe, air filter.Under atmospheric pressure effect, the infusion tube that in infusion bottle, liquid runs down is thinner flows into dropping funnel, and when dropping funnel water column pressure is greater than venous pressure, the liquid runs down flexible pipe in bottle flows into vein.The sterilization effect duration of medical worker's preoperation inspection disposable transfusion device and packaging are with or without gas leakage and other exceptions, take out transfusion device, by cone joint partial insertion infusion bottle, hang infusion bottle on transfusion pole, be vented to medicinal liquid and flow to tube for transfusion lower end, fasten actuator, again intravenous needle is thrust the vein disinfected, after fixing, untie tourniquet, adjustment flow velocity.

There is following problem in existing transfusion device: first, medicinal liquid flow velocity time incipient in tube for transfusion is very fast, along with medicinal liquid flows out, fluid column in bottle is in a slight decrease, overhead gas volume slightly becomes large, pressure slightly reduces, the total pressure of bottle mouth position is made to be slightly smaller than external atmosphere pressure, air just supplements by outer atmospheric pressure from air inlet pipe press-in bottle, the pressure of bottle mouth position is made to remain essentially in an atmospheric pressure, medicinal liquid can at the uniform velocity stably be dripped, minimizing gradually not with bottle herb liquid changes again. and but when starting in bottle the pressure of gas be approximately an atmospheric pressure, the pressure of bottle mouth position is greater than an atmospheric pressure, so always drip very fast in a period of time started, easily bring discomfort to patient body.Second, when transfusion speed is very fast, the liquid level short time in infusion bottle changes greatly, because air inlet pipe is arranged on bottle plug puncture unit, the inlet channel of air inlet pipe is very thin, air just cannot be entered in infusion bottle by air inlet pipe timely and supplement, thus makes that change during the pressure at mouth of infusion bottle place instead of constant, therefore there will be the phenomenon of dripping that medicinal liquid cannot be at the uniform velocity stable.

When how to ensure transfusion, no matter transfusion speed is fast, or slowly, and medicinal liquid can both at the uniform velocity stable dripping be the technical problem of a very worth research and solution.

Current clinical transfusion device, because do not have can the device of fixed placement venipuncture needle, nurse is before vascular puncture, during to point of puncture skin degerming, venipuncture needle, be suspended on drip stand, easily fall and stab nurse and patient, and causing the easy contaminated defect of venipuncture needle.

Further, need to add medicine in addition in infusion process cumbersome.

Summary of the invention

The technical problem to be solved in the present invention: the first, existing transfusion device is within a period of time started, and medicinal liquid always drips very fast, cannot at the uniform velocity stable dripping, and easily brings discomfort to patient body; And when transfusion speed is very fast, also easily there is the phenomenon of dripping that medicinal liquid cannot be at the uniform velocity stable.Second, current clinical transfusion device, because do not have can the device of fixed placement venipuncture needle, nurse is before vascular puncture, during to point of puncture skin degerming, venipuncture needle, be suspended on drip stand, easily fall and stab nurse and patient, and causing the easy contaminated defect of venipuncture needle.3rd, need to add medicine in addition in infusion process cumbersome.

In order to solve above technical problem, technical scheme of the present invention is as follows: a kind of medical infusion device, comprises liquid storage box body, dividing plate, airway; Liquid storage box body is divided into left chamber, right chamber by described dividing plate; The volume of left chamber is greater than the volume of right chamber; The bottom of described dividing plate is provided with intercommunicating pore; The Single port of described airway is funnel-form, and airway is through dividing plate, and port is the bottom that funnelform one end is positioned at left chamber, and the other end is positioned at right chamber;

The top of described left chamber is provided with liquid filling hole, and described liquid filling hole is provided with detachable stopper; The top of described right chamber is provided with air inlet; The bottom of described right chamber arranges infusion hole, and described infusion hole is provided with rubber closure;

Also comprise bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, infusion tube, intravenous needle; One end of described infusion tube arranges bottle plug puncture unit, and the other end arranges intravenous needle; Described infusion tube is arranged dropping funnel, flow regulator, liquid medicine filter;

Described bottle plug puncture unit is through described infusion hole;

Also comprise chemical feed pipe, sponge spheroid;

Described dropping funnel is provided with chemical feed pipe, and chemical feed pipe is provided with dismountable lid;

Described sponge spheroid is arranged on above described infusion tube.

The technical scheme be more preferably further, the volume of described left chamber is 800 milliliters, and the volume of right chamber is 10 milliliters.

The device that liquid storage box body, dividing plate, airway form is referred to as: device for storing liquid;

The device that bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, infusion tube, intravenous needle form is referred to as: infusion part.

Compared with prior art, beneficial effect of the present invention: the first, a kind of medical infusion device that the present invention proposes infuse start most very short time medicinal liquid just can at the uniform velocity stable dripping, discomfort can not be brought to patient body; The second, even if transfusion speed is very fast, medicinal liquid still can at the uniform velocity stable dripping; 3rd, infusion hole is provided with rubber closure, can ensures that bottle plug puncture unit is not fixedly connected with infusion hole like this, the words that infusion part has been gone bad can be easy to replace, and the infusion apparatus product of prior art can substitute the infusion part in the present invention; 4th, the difference of infusion part of the present invention and existing transfusion device is exactly: be provided with air inlet pipe above the bottle plug puncture unit of existing transfusion device, also air filter is provided with above air inlet pipe, air inlet pipe part and the air filter part of production of existing transfusion device are very complicated, present invention eliminates the complexity that air inlet pipe and air filter greatly reduce production technology; 5th, air enters in left chamber by the port in the right chamber of airway, and airway is that funnel-form is conducive to more air and enters in left chamber, thus makes the liquid level of right chamber almost constant, almost invariable; 6th, nurse before vascular puncture, during to point of puncture skin degerming, venipuncture needle is inserted in sponge spheroid, avoid and venipuncture needle is suspended on drip stand, easily fall and stab nurse and patient, and cause venipuncture needle easily this technical problem contaminated.7th, can be easy to add medicine by dropping funnel in infusion process.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 is existing transfusion device and infusion bottle connection diagram (existing transfusion is all adopted in this way).

Wherein, 1 is liquid filling hole; 2 is air inlets; 3 is airways; 4 is intercommunicating pores; 5 is infusion holes; 6 is bottle plug puncture units; 7 is dropping funnels; 8 is flow regulators; 9 is liquid medicine filters; 10 is intravenous needles; 12 is infusion bottles; 13 is transfusion devices; 14 is chemical feed pipes, and 15 is sponge spheroids.

Detailed description of the invention

Below in conjunction with accompanying drawing, the invention will be further described.

As shown in Figure 2, existing infusion method is all directly be inserted into by the bottle plug puncture unit of transfusion device in input bottle, at the uniform velocity stable in order to realize transfusion, existing conventional thought is all the structure updating transfusion device, the present invention breaks the normal procedure thinking, have employed device for storing liquid, is poured in device for storing liquid by the medicinal liquid in infusion bottle, no longer attention is placed on above transfusion device, but realizes the at the uniform velocity stable of transfusion by device for storing liquid.

Embodiment 1: as shown in Figure 1: a kind of medical infusion device, comprises liquid storage box body, dividing plate, airway; Liquid storage box body is divided into left chamber, right chamber by described dividing plate; The volume of left chamber is greater than the volume of right chamber; The bottom of described dividing plate is provided with intercommunicating pore; The Single port of described airway is funnel-form, and airway is through dividing plate, and port is the bottom that funnelform one end is positioned at left chamber, and the other end is positioned at right chamber;

Described bottle plug puncture unit is through described infusion hole;

Also comprise chemical feed pipe, sponge spheroid;

Described sponge spheroid is arranged on above described infusion tube.

Embodiment 2: on the basis of embodiment 1, the volume of left chamber is 800 milliliters, and the volume of right chamber is 10ml.

Operation principle of the present invention: add medicinal liquid in left chamber, medicinal liquid in right chamber floods the port of airway, because the volume of right chamber is very little, therefore liquid level will soon maintain an equal level with the airway port of right chamber, once liquid level is lower than the height of the port of airway, air is just entered rapidly in left chamber by airway, the pressure located bottom left chamber can increase, at this moment the liquid in left chamber can enter into right chamber by intercommunicating pore, then right chamber liquid level is again flooded airway port and is maintained an equal level with airway port, so the liquid level of right chamber is almost always invariable, therefore the pressure at infusion hole place is invariable, also the volume due to right chamber is very little, therefore very short time is started most in transfusion, medicinal liquid just can at the uniform velocity stable dripping.Owing to being specially provided with airway and the Single port of airway is funnel-form, therefore air can be easy to enter in left chamber, even if therefore transfusion speed is very fast, the liquid level of right chamber also can keep constant.

Using method of the present invention: take off the detachable stopper that liquid filling hole is arranged, medicinal liquid is joined in left chamber, then detachable stopper is covered, bottle plug puncture unit is inserted in the rubber closure that infusion hole is arranged, at this moment the medicinal liquid in infusion tube can at the uniform velocity drip, and is then changed the speed of transfusion by flow regulator.

Claims

1. a medical infusion device, is characterized in that, comprises liquid storage box body, dividing plate, airway; Liquid storage box body is divided into left chamber, right chamber by described dividing plate; The volume of left chamber is greater than the volume of right chamber; The bottom of described dividing plate is provided with intercommunicating pore; The Single port of described airway is funnel-form, and airway is through dividing plate, and port is the bottom that funnelform one end is positioned at left chamber, and the other end is positioned at right chamber;

Described bottle plug puncture unit is through described infusion hole;

Also comprise chemical feed pipe, sponge spheroid;

Described sponge spheroid is arranged on above described infusion tube.

2. a kind of medical infusion device according to claim 1, is characterized in that, the volume of described left chamber is 800 milliliters, and the volume of right chamber is 10 milliliters.