CN209108308U - The dropping funnel integral filter of disposable transfusion device - Google Patents
The dropping funnel integral filter of disposable transfusion device Download PDFInfo
- Publication number
- CN209108308U CN209108308U CN201820583485.5U CN201820583485U CN209108308U CN 209108308 U CN209108308 U CN 209108308U CN 201820583485 U CN201820583485 U CN 201820583485U CN 209108308 U CN209108308 U CN 209108308U
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- China
- Prior art keywords
- dropping funnel
- current divider
- transfusion device
- disposable transfusion
- filter membrane
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Abstract
The utility model provides the dropping funnel integral filter of disposable transfusion device, belongs to field of mechanical technique.It solves the problems, such as existing disposable transfusion device from only liquid functional lability.It includes being capable of fixing in the filter membrane in dropping funnel and being capable of fixing in the current divider in dropping funnel and between filter membrane and the fluid hole of dropping funnel, current divider is cylindrical in shape, the bottom of current divider is equipped with several tap holes, each tap hole is along current divider periphery EDS maps and runs through flow diverter side wall, is capable of forming out liquid gap between current divider bottom surface and the bottom wall of inner cavity of dropping funnel after current divider is fixed in dropping funnel.It has from only liquid function-stable, advantages of simple structure and simple.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to disposable transfusion device more particularly to disposable transfusion device
Dropping funnel integral filter.
Background technique
Currently, disposable infusion set has clinically obtained comparing being widely applied, it is finished not in time in medical fluid
When removing infusion apparatus or replacement infusion bottle, air may enter to threaten patients ' lives safety in patient body or blood back occur and show
As so as to cause the fear of patient.For this purpose, people improve existing disposable transfusion device, in the dropping funnel lower part of infusion apparatus
Interior setting has hydrophilic filter membrane, once filter membrane is soaked by medical fluid, gas can not then be penetrated, therefore when clinical transfusion, when
After medicine bottle Chinese medicine liquid is finished, state is soaked since filter membrane is in, the gas above filter membrane can not penetrate filter membrane down again,
It keeps liquid full in transfusion catheter below filter membrane, so that film forms the effect of " gas-liquid separation ", that is, reaches from only liquid function
Energy.
However, medical fluid is directly down into transfusion catheter after filter membrane in actual use, this will lead to medicine
Liquid drainage power, which can be concentrated, to be acted at the center of filter membrane, one pulling force for pullling at the center of filter membrane downwards of generation, and mistake
The outer of filter membrane is fixed together with dropping funnel again, and the drainage power of medical fluid is again bigger, thus be easy for causing filter membrane with
It is leaked between dropping funnel, so as to cause the air above filter membrane enters below filter membrane and causes unstable from only liquid function
It is fixed.
Summary of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose the drop of disposable transfusion device
Struggle against integral filter, the technical problem to be solved is that how to reduce drainage power, guarantees the stability from only liquid.
The purpose of this utility model can be realized by the following technical scheme:
The dropping funnel integral filter of disposable transfusion device, including the filter membrane being capable of fixing in dropping funnel, feature
It is, this filter further includes the current divider being capable of fixing in dropping funnel and between filter membrane and the fluid hole of dropping funnel, institute
The current divider stated is cylindrical in shape, and the bottom of current divider is equipped with several tap holes, and each tap hole is along current divider periphery EDS maps and runs through
Flow diverter side wall, between being capable of forming out liquid between current divider bottom surface and the bottom wall of inner cavity of dropping funnel after current divider is fixed in dropping funnel
Gap.
When in use, filter membrane is fixed in dropping funnel at the fluid hole of dropping funnel, while current divider is fixed on dropping funnel
It is interior and between filter membrane and the fluid hole of dropping funnel.Since the bottom of current divider is provided with several tap holes, each tap hole edge
Current divider periphery EDS maps simultaneously run through flow diverter side wall, at the same current divider be fixed in dropping funnel after current divider bottom surface and dropping funnel
Form out liquid gap between bottom wall of inner cavity, such medical fluid can enter in current divider after filter membrane, then through current divider on the outside of
Each tap hole is shunted outward, and the flow direction of medical fluid generates one-shot change at this time.Medical fluid enters current divider and drop from tap hole
It between the inner wall of bucket and flows downward, the flow direction of medical fluid generates secondary change at this time.When medical fluid be flowed into out in liquid gap again from
Liquid gap is flowed into fluid hole out, and the flow direction generation of medical fluid changes three times at this time.Three changes flowed to by medical fluid, so that
The gravity drainage power that medical fluid generates is decomposed, to reduce the gravity drainage power that filter membrane is subject to, is thus guaranteed well
Stability of the dropping funnel from only liquid.
In the dropping funnel integral filter of above-mentioned disposable transfusion device, the outer diameter of the current divider is less than dropping funnel
Internal diameter.
The outer diameter of current divider is set smaller than to the internal diameter of dropping funnel, is to enable medical fluid more to flow into through tap hole
To between current divider and dropping funnel.
In the dropping funnel integral filter of above-mentioned disposable transfusion device, the shunt base is equipped with several convex
Head.
By the way that plush copper is arranged in shunt base, when current divider is fixed in dropping funnel, the lower end surface of plush copper will be against
On the bottom wall of inner cavity of dropping funnel, so that being able to form out liquid gap between current divider bottom surface and the bottom wall of inner cavity of dropping funnel.
In the dropping funnel integral filter of above-mentioned disposable transfusion device, the shunt base is equipped with cavity,
When current divider is fixed in dropping funnel, the fluid hole upper port of dropping funnel is protruded into cavity and was formed between liquid between cavity top surface
Gap.
Cavity is set in shunt base, the upper port of dropping funnel fluid hole is protruded into cavity and formed between cavity top surface
Liquid gap is crossed, can will be located at the air above dropping funnel fluid hole after medical fluid enters in fluid hole in this way and empty.
Compared with prior art, the dropping funnel integral filter of this disposable transfusion device is utilized by setting current divider
Current divider is changed the flow direction of medical fluid, so that the gravity drainage power that medical fluid generates is decomposed, to reduce filter membrane
Thus the gravity drainage power being subject to well ensures stability of the dropping funnel from only liquid function；Meanwhile by shunt base
Cavity is set, and so that the upper port of dropping funnel fluid hole is can extend into cavity makes medical fluid will when entering in fluid hole
Air above dropping funnel fluid hole empties.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the dropping funnel integral filter of this disposable transfusion device.
Fig. 2 is the schematic diagram of current divider in the dropping funnel integral filter of this disposable transfusion device.
Fig. 3 is another angle schematic diagram of current divider in the dropping funnel integral filter of this disposable transfusion device.
In figure, 1, dropping funnel；1a, inlet opening；1b, fluid hole；2, filter membrane；3, current divider；3a, tap hole；3b, cavity；
3c, plush copper；4, go out liquid gap；5, liquid gap is crossed.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the dropping funnel integral filter of disposable transfusion device, dropping funnel 1 has inner cavity, and the top of dropping funnel 1
Portion is equipped with inlet opening 1a, and the bottom of dropping funnel 1 is equipped with fluid hole 1b, and fluid hole 1b is oppositely arranged with inlet opening 1a.This is disposable defeated
The dropping funnel integral filter of liquid device includes the filter membrane 2 being capable of fixing in dropping funnel 1, and filter membrane 2 and fluid hole 1b
Setting direction is perpendicular.
As shown in Figure 1, Figure 2 and Figure 3, the dropping funnel integral filter of this disposable transfusion device further includes being capable of fixing
Current divider 3 in dropping funnel 1, current divider 3 are fixed in dropping funnel 1 rear between filter membrane 2 and the fluid hole 1b of dropping funnel 1.It shunts
Device 3 is cylindrical in shape, and the outer diameter of current divider 3 is less than the internal diameter of dropping funnel 1.The bottom of current divider 3 is equipped with several tap hole 3a, each tap hole
3a is along 3 periphery EDS maps of current divider and through the side wall of current divider 3.The bottom of current divider 3 is equipped with several plush copper 3c, as plush copper 3c
Lower end surface when being resisted against on the bottom wall of inner cavity of dropping funnel 1, will form out liquid between 3 bottom surface of current divider and the bottom wall of inner cavity of dropping funnel 1
Gap 4.3 bottom of current divider is equipped with cavity 3b, and the fluid hole 1b upper port of dropping funnel 1 protrudes into cavity 3b, and on fluid hole 1b
It will form liquid gap 5 between port and the roof of cavity 3b.
Tubular current divider 3 is set between filter membrane 2 and fluid hole 1b, is provided in the bottom of current divider 3 several
Tap hole 3a, each tap hole 3a are along 3 periphery EDS maps of current divider and run through 3 side wall of current divider, while 3 bottom surface of current divider and dropping funnel
Liquid gap 4 is formed out between 1 bottom wall of inner cavity, such medical fluid can enter in current divider 3 after filter membrane 2, then through current divider 3
Each tap hole 3a in outside is shunted outward, and the flow direction of medical fluid generates one-shot change at this time.
Medical fluid is entered between current divider 3 and the inner wall of dropping funnel 1 and is flowed downward from tap hole 3a, at this time the flow direction of medical fluid
Generate secondary change.It is flowed into fluid hole 1b from liquid gap 4 out again when medical fluid is flowed into out in liquid gap 4, at this time medical fluid
Flow direction generates to be changed three times.Three changes flowed to by medical fluid, so that the gravity drainage power that medical fluid generates is decomposed, thus
The gravity drainage power that filter membrane 2 is subject to is reduced, thus well ensure dropping funnel 1 stops liquid function certainly.
Meanwhile cavity 3b is set in 3 bottom of current divider, the upper port of fluid hole 1b protrudes into cavity 3b, it is meant that goes out liquid
The upper port of hole 1b is higher than the bottom wall of inner cavity of dropping funnel 1, will can be located at liquid in this way after medical fluid enters in fluid hole 1b
Air above the 1b of hole empties.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (4)
1. the dropping funnel integral filter of disposable transfusion device, including the filter membrane (2) being capable of fixing in dropping funnel (1),
It is characterized in that, this filter further includes the fluid hole for being capable of fixing in dropping funnel (1) and being located at filter membrane (2) and dropping funnel (1)
Current divider (3) between (1b), the current divider (3) are cylindrical in shape, and the bottom of current divider (3) is equipped with several tap holes (3a),
Each tap hole (3a) is along current divider (3) periphery EDS maps and runs through current divider (3) side wall, when current divider (3) is fixed on dropping funnel (1)
Liquid gap (4) are capable of forming out between current divider (3) bottom surface and the bottom wall of inner cavity of dropping funnel (1) after interior.
2. the dropping funnel integral filter of disposable transfusion device according to claim 1, which is characterized in that point
The outer diameter for flowing device (3) is less than the internal diameter of dropping funnel (1).
3. the dropping funnel integral filter of disposable transfusion device according to claim 2, which is characterized in that point
It flows device (3) bottom and is equipped with several plush coppers (3c).
4. the dropping funnel integral filter of disposable transfusion device according to claim 1 or 2 or 3, which is characterized in that institute
Current divider (3) bottom stated be equipped with cavity (3b), when current divider (3) be fixed on dropping funnel (1) it is interior when dropping funnel (1) fluid hole (1b)
Upper port protrudes into cavity (3b) and formed liquid gap (5) between the top surface cavity (3b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820583485.5U CN209108308U (en) | 2018-04-23 | 2018-04-23 | The dropping funnel integral filter of disposable transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820583485.5U CN209108308U (en) | 2018-04-23 | 2018-04-23 | The dropping funnel integral filter of disposable transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209108308U true CN209108308U (en) | 2019-07-16 |
Family
ID=67195215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820583485.5U Active CN209108308U (en) | 2018-04-23 | 2018-04-23 | The dropping funnel integral filter of disposable transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209108308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516645A (en) * | 2020-11-11 | 2021-03-19 | 庐江来远实业有限公司 | Simple liquid flow divider |
-
2018
- 2018-04-23 CN CN201820583485.5U patent/CN209108308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516645A (en) * | 2020-11-11 | 2021-03-19 | 庐江来远实业有限公司 | Simple liquid flow divider |
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