CN209437780U - Disposable precision filter infusion set - Google Patents
Disposable precision filter infusion set Download PDFInfo
- Publication number
- CN209437780U CN209437780U CN201821690588.8U CN201821690588U CN209437780U CN 209437780 U CN209437780 U CN 209437780U CN 201821690588 U CN201821690588 U CN 201821690588U CN 209437780 U CN209437780 U CN 209437780U
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- CN
- China
- Prior art keywords
- dropping funnel
- infusion tube
- bottle plug
- infusion
- puncture unit
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Abstract
The utility model discloses disposable precision filter infusion sets, bottle plug puncture unit is arranged in the one of end of infusion tube, injection member is arranged in the infusion tube other end, air inlet seat is disposed on bottle plug puncture unit, three-way connection is additionally provided on infusion tube between bottle plug puncture unit and dropping funnel, dropping funnel includes dropping funnel upper casing and dropping funnel lower casing interconnected, dropping funnel upper casing is at inlet and dropping funnel lower casing is arranged with dropper at liquid outlet, dropping funnel upper casing and dropping funnel lower casing are connected by dropper and the infusion tube of two sides, position inside dropping funnel lower casing close to liquid outlet is additionally provided with precision liquid medicine filter membrane, it there also is provided flow regulator on infusion tube between dropping funnel and injection member, injection member is connected with outer circle taper joint by infusion tube.By the above-mentioned means, the disposable precision filter infusion set of the utility model can filter the particle of normal pore size or more, secondary filter is realized, rejection rate is not less than 90%, improves filter effect and filter efficiency.
Description
Technical field
The utility model relates to the field of medical instrument technology, are infused more particularly to a kind of disposable secondary filter
Device.
Background technique
Venous transfusion is using atmospheric pressure and fluid pressure principle that a large amount of sterile liquids, electrolyte, drug is defeated by vein
Enter intracorporal method.
Infusion is a kind of height professional technique, and treatment level covers parenterally infusion, nutritional support, medication
With the treatment of infusion.
A kind of common medical treatment consumptive materials of disposable transfusion device establish channel between vein and medical fluid by aseptic process, use
In venous transfusion.Pore size filter is larger in the disposable transfusion device of the prior art, and particulate matter lesser for aperture can not
Effectively catching, filter effect is poor, while filter efficiency is lower, is all easy to influence transfusion effect.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of disposable precision filter infusion set, Neng Goushi
Now automatic exhaust stops liquid, securely and reliably, while by the way that precision liquid medicine filter membrane is arranged inside dropping funnel, can filter normal pore size
Above particle, realizes secondary filter, and rejection rate is not less than 90%, improves filter effect and filter efficiency, improve infusion
Nursing quality.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of disposable
Precision filter infusion set, comprising: by the sequentially connected bottle plug puncture unit of infusion tube, dropping funnel, flow regulator and injection member,
Bottle plug puncture unit is arranged in one of end of infusion tube, and injection member is arranged in the other end of infusion tube,
Be disposed with air inlet seat on bottle plug puncture unit, be disposed with air-filtering membrane at the air inlet of air inlet seat, bottle plug puncture unit and dropping funnel it
Between infusion tube on be additionally provided with three-way connection,
Dropping funnel includes dropping funnel upper casing and dropping funnel lower casing interconnected, and dropping funnel upper casing leans at inlet with dropping funnel lower casing
It is arranged with dropper, dropping funnel upper casing and dropping funnel lower casing at nearly liquid outlet to connect by dropper and the infusion tube of two sides, in dropping funnel
Portion there also is provided pressing ring, and the position of close liquid outlet is additionally provided with precision liquid medicine filter membrane inside dropping funnel lower casing,
It there also is provided flow regulator on infusion tube between dropping funnel and injection member, injection member is connected by infusion tube
There is outer circle taper joint.
In one preferred embodiment of the utility model, infusion tube can connect one or two bottle stopper by three-way connection
Puncture outfit is connected with protective sleeve for bottle stopper puncture outfit on bottle plug puncture unit.
In one preferred embodiment of the utility model, bottle plug puncture unit is Plastic bottle plug puncture outfit, combination steel needle bottle stopper
One of puncture outfit or plastic-steel bottle plug puncture unit.
In one preferred embodiment of the utility model, also connect on the infusion tube between bottle plug puncture unit and three-way connection
Tongs are connected to, tongs and infusion tube are detachable connection.
In one preferred embodiment of the utility model, exhaust pipe is also connected on dropping funnel, exhaust pipe is inserted from dropping funnel upper casing
It connects inside dropping funnel, exhaust tube end is disposed with gland, and automatic storing liquid film is provided at the gas outlet of exhaust pipe.
In one preferred embodiment of the utility model, the infusion tubes of dropper and dropping funnel upper casing and dropping funnel lower casing two sides it
Between be tightly connected.
In one preferred embodiment of the utility model, nominal filtration media pore diameters are 2 μm, 3 μ on precision liquid medicine filter membrane
M or 5 μm.
It is detachable setting between flow regulator and infusion tube in one preferred embodiment of the utility model.
The beneficial effects of the utility model are: the disposable precision filter infusion set of the utility model may be implemented automatically
Exhaust stops liquid, securely and reliably, while by the way that precision liquid medicine filter membrane is arranged inside dropping funnel, can filter normal pore size or more
Particle, realizes secondary filter, and rejection rate is not less than 90%, improves filter effect and filter efficiency, improve transfusion nursing matter
Amount.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of disposable precision filter infusion set of the utility model；
Fig. 2 is the structural representation of Plastic bottle plug puncture outfit in the disposable precision filter infusion set of the utility model
Figure；
Fig. 3 is that the structure of combination steel needle bottle plug puncture unit in the disposable precision filter infusion set of the utility model is shown
It is intended to；
Fig. 4 is the structural representation of plastic-steel bottle plug puncture unit in the disposable precision filter infusion set of the utility model
Figure；
The components in the drawings are labeled as follows: 1, protective sleeve for bottle stopper puncture outfit, 2, bottle plug puncture unit, 3, air inlet seat, 4, sky
Gas filter membrane, 5, infusion tube, 6, tongs, 7, three-way connection, 8, dropper, 9, gland, 10, automatic storing liquid film, 11, exhaust
Pipe, 12, dropping funnel upper casing, 13, pressing ring, 14, liquid medicine filtering membrane, 15, dropping funnel lower casing, 16, flow regulator, 17, injection member, 18,
Outer circle taper joint.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The utility model embodiment includes: referring to FIG. 1 to FIG. 4,
A kind of disposable precision filter infusion set, comprising: by the sequentially connected bottle plug puncture unit 2 of infusion tube,
Dropping funnel, flow regulator 16 and injection member 17, bottle plug puncture unit 2 are arranged in one of end of infusion tube 5, injection member 17
It is arranged in the other end of infusion tube 5, there also is provided flow regulator 16 on the infusion tube 5 between dropping funnel and injection member 17,
Injection member 17 is connected with outer circle taper joint 18 by infusion tube 5.
It is disposed with air inlet seat 3 on bottle plug puncture unit 2, air-filtering membrane 4, air mistake are disposed at the air inlet of air inlet seat 3
Filter membrane 4, which has, to block water venting capability, for the air purification filter at 5 inlet of infusion tube, avoid impurity in air into
Enter inside infusion tube 5.
Three-way connection 7 is additionally provided on infusion tube 5 between bottle plug puncture unit 2 and dropping funnel, infusion tube 5 passes through threeway
Connector 7 can connect one or two bottle plug puncture unit 2, and the drop that two bottle liquid medicines may be implemented in this way is sent, and avoid not having due to air
It excludes in time and causes the injury to human body, protective sleeve for bottle stopper puncture outfit 1 is connected on bottle plug puncture unit 2.
Bottle plug puncture unit 2 can pierce the bottle stopper for the liquid container not pierced, and will not generate exfoliation, bottle plug puncture unit 2
Size and the size of infusion tube 5 and liquid container cooperate.Further, bottle plug puncture unit 2 is plastics
Bottle plug puncture unit, combination one of steel needle bottle plug puncture unit or plastic-steel bottle plug puncture unit.
Tongs 6 are also connected on infusion tube 5 between bottle plug puncture unit 2 and three-way connection 7, can be realized in time only
Water, tongs 6 and infusion tube 5 are detachable connection.
Dropping funnel includes dropping funnel upper casing 12 and dropping funnel lower casing 15 interconnected, and dropping funnel upper casing 12 is at inlet and dropping funnel
Lower casing 15 is arranged with dropper 18 at liquid outlet, and dropping funnel upper casing 12 and dropping funnel lower casing 15 pass through the infusion of dropper 18 and two sides
Hose 5 connects.It preferably, is that sealing connects between dropper 18 and dropping funnel upper casing 12 and the infusion tube 5 of 15 two sides of dropping funnel lower casing
It connects.
Exhaust pipe 11 is also connected on dropping funnel, exhaust pipe 11 is plugged on inside dropping funnel from dropping funnel upper casing 12,11 end of exhaust pipe
Portion is disposed with gland 9, and automatic storing liquid film 10 is provided at the gas outlet of exhaust pipe 11.
Automatic storing liquid can make the liquid level in dropping funnel be automatically positioned at desired height, bubble stream caused by avoiding liquid level insufficient
Under.
Pressing ring 13 is disposed with inside dropping funnel, 15 inside of dropping funnel lower casing is additionally provided with precision liquid medicine mistake close to the position of liquid outlet
Filter membrane 14, nominal filtration media pore diameters are 2 μm, 3 μm or 5 μm on precision liquid medicine filter membrane 14, and precision liquid medicine filter membrane 14 filters out
Particle rejection rate more than normal pore size is not less than 90%.
It is detachable setting between flow regulator 16 and infusion tube 5, the adjusting of liquid droping speed may be implemented.
The infusion process of the disposable precision filter infusion set of the utility model is:
The outer circle taper joint 18 of infusion apparatus and the inner circle taper joint of transfusion needle are tightened；
Bottle plug puncture unit is inserted into medical liquid container by the protective case for removing bottle plug puncture unit；
Air inlet seat 3 is opened, dropping funnel upper end gland is opened, medical fluid flows into dropping funnel by dropper, dropping funnel is flowed into after dropping funnel
Lower end pipeline, closing dropping funnel upper end gland (must not be again turned on, otherwise make dropping funnel pressure rise the case where such as dosing will in dropping funnel
Will lead to automatic storing liquid-sheet disintegration and liquid medicine contamination), being emptied at this time by exhaust pipe 11 in managing can be infused after gas；
Dropping funnel is kept upright as far as possible in infusion process, and inclination must not exceed 30 °；
When needing dosing, it is added from liquid injecting piece using asepsis injector.
The beneficial effect of the disposable precision filter infusion set of the utility model is:
It may be implemented to be vented automatically and stop liquid, it securely and reliably, while by the way that precision liquid medicine filter membrane is arranged inside dropping funnel, can
To filter the particle of 2 μm, 3 μm or 5 μm of normal pore size or more, secondary filter is realized, rejection rate is not less than 90%, improves filtering
Effect and filter efficiency improve transfusion nursing quality.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of disposable precision filter infusion set characterized by comprising pass through the sequentially connected bottle stopper of infusion tube
Puncture outfit, dropping funnel, flow regulator and injection member,
Bottle plug puncture unit is arranged in one of end of infusion tube, and injection member is arranged in the other end of infusion tube, bottle stopper
It is disposed with air inlet seat on puncture outfit, air-filtering membrane is disposed at the air inlet of air inlet seat, between bottle plug puncture unit and dropping funnel
Three-way connection is additionally provided on infusion tube,
Dropping funnel includes dropping funnel upper casing and dropping funnel lower casing interconnected, and dropping funnel upper casing is at inlet and dropping funnel lower casing is close to out
It is arranged with dropper, dropping funnel upper casing and dropping funnel lower casing at liquid mouth to connect by dropper and the infusion tube of two sides, inside dropping funnel also
It is disposed with pressing ring, the position of close liquid outlet is additionally provided with precision liquid medicine filter membrane inside dropping funnel lower casing,
It there also is provided flow regulator on infusion tube between dropping funnel and injection member, injection member is connected with outer by infusion tube
Cone joint.
2. disposable precision filter infusion set according to claim 1, which is characterized in that infusion tube passes through threeway
Connector can connect one or two bottle plug puncture unit, be connected with protective sleeve for bottle stopper puncture outfit on bottle plug puncture unit.
3. disposable precision filter infusion set according to claim 2, which is characterized in that bottle plug puncture unit is plastics
Bottle plug puncture unit, combination one of steel needle bottle plug puncture unit or plastic-steel bottle plug puncture unit.
4. disposable precision filter infusion set according to claim 1, which is characterized in that bottle plug puncture unit and threeway
Tongs are also connected on infusion tube between connector, tongs and infusion tube are detachable connection.
5. disposable precision filter infusion set according to claim 1, which is characterized in that the row of being also connected on dropping funnel
Tracheae, exhaust pipe are plugged on inside dropping funnel from dropping funnel upper casing, and exhaust tube end is disposed with gland, are arranged at the gas outlet of exhaust pipe
There is automatic storing liquid film.
6. disposable precision filter infusion set according to claim 1, which is characterized in that dropper and dropping funnel upper casing and
It is to be tightly connected between the infusion tube of dropping funnel lower casing two sides.
7. disposable precision filter infusion set according to claim 1, which is characterized in that on precision liquid medicine filter membrane
Nominal filtration media pore diameters are 2 μm, 3 μm or 5 μm.
8. disposable precision filter infusion set according to claim 1, which is characterized in that flow regulator and infusion
It is detachable setting between hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690588.8U CN209437780U (en) | 2018-10-18 | 2018-10-18 | Disposable precision filter infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690588.8U CN209437780U (en) | 2018-10-18 | 2018-10-18 | Disposable precision filter infusion set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209437780U true CN209437780U (en) | 2019-09-27 |
Family
ID=68010264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821690588.8U Active CN209437780U (en) | 2018-10-18 | 2018-10-18 | Disposable precision filter infusion set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209437780U (en) |
-
2018
- 2018-10-18 CN CN201821690588.8U patent/CN209437780U/en active Active
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