CN205814865U - A kind of three-way valve with filtering function and intravenous injection combination unit - Google Patents
A kind of three-way valve with filtering function and intravenous injection combination unit Download PDFInfo
- Publication number
- CN205814865U CN205814865U CN201620221668.3U CN201620221668U CN205814865U CN 205814865 U CN205814865 U CN 205814865U CN 201620221668 U CN201620221668 U CN 201620221668U CN 205814865 U CN205814865 U CN 205814865U
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- Prior art keywords
- cone joint
- transfusion
- way valve
- filtering function
- tube
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Abstract
This utility model provides a kind of three-way valve with filtering function and intravenous injection combination unit, should include cock with the three-way valve of filtering function；And the first cone joint, the second cone joint and the 3rd cone joint interconnected.Wherein, the first cone joint connects with tube for transfusion；Second cone joint and venipuncture needle connect；3rd cone joint and intravenous injector connect, contaminant filter unit and bubble filter element it is additionally provided with between first cone joint and tube for transfusion, for the medicinal liquid flowed out in tube for transfusion is carried out granulometric impurity filtration and intercepts the bubble in medicinal liquid, ensure that the safety of medicinal liquid, decrease the generation of infusion reaction phenomenon to a certain extent and can the most anti-return blood phenomenon occur, and then adding the safety of transfusion.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of three-way valve with filtering function and containing being somebody's turn to do
The intravenous injection combination unit of three-way valve.
Background technology
According to a statistics about infusion reaction, the particle number in medicinal liquid exceeds standard and in infusion process herb liquid
It is the most thoroughly two key factors causing infusion reaction that gas is got rid of, and the two factor accounts for the 40% of all factors.
Impurity in medicinal liquid mostlys come from following approach: being mixed into of molecule in the process air that makes up a prescription, rubber closure are broken
The produced floccule precipitation of bits, glass chip, undissolved medicine powder and medicinal liquid itself etc..Wherein, more than 4 μm micro-
Human body will be caused infringement in various degree by grain.
Additionally, the gas in eliminating medicinal liquid, anti-return blood phenomenon occur most important to infusion safety.If dealing with ten thousand improperly
One occurs that air enters the conduit of dropping funnel bottom, it will unexpected blood back phenomenon occurs.Blood back phenomenon not only results in conduit
Transfusion cannot be continued due to air embolism, blood coagulation even can be caused to become clot that human body is damaged, and doctor source
How the serious problems such as sexy dye, septicemia, process this problem in treatment clinical course and bring adverse consequences always
It it is a stubborn problem.
But, there is no preferable preventive measure currently for above-mentioned two problems, cure after reaction occurs in patient often
The personnel of protecting take the processing method met an urgent need to alleviate.But for some large hospital, the patient carrying out every day infusing is many
Many, medical personnel cannot pay close attention to the transfusion situation of each patient in real time, and therefore, the process for infusion reaction exists certain
Hysteresis quality, the bad infusion reaction risk caused by above-mentioned two problems exists always.
Utility model content
This utility model is carried out for solving the problems referred to above, by provide a kind of three-way valve with filtering function with
And the intravenous injection combination unit containing this three-way valve, fundamentally solve the problems referred to above.This utility model have employed following skill
Art scheme:
The three-way valve with filtering function that this utility model provides includes cock；And the first circular cone interconnected connects
Head, the second cone joint and the 3rd cone joint.Wherein, the first cone joint connects with tube for transfusion；Second cone joint and
Venipuncture needle connects；3rd cone joint and intravenous injector connect, and are additionally provided with between the first cone joint and tube for transfusion
Contaminant filter unit and bubble filter element.
Further, contaminant filter unit includes that the first protecgulum, the center position of the first protecgulum are provided with outwardly
First pipe, the outer wall of this first pipe is provided with tapped sleeve, described female thread and the port of the 3rd cone joint
Structure matches；First bonnet, its center position is provided with the 4th cone joint outwardly；And contaminant filter film
Sheet, is arranged on the first protecgulum and in space that the first bonnet is formed, for filtering the granulometric impurity in medicinal liquid.
Further, bubble filter element includes that the second protecgulum, the center position of the second protecgulum are provided with outwardly
Second pipe, this second pipe and the 4th cone joint use grafting mode be attached；Second bonnet, its center position sets
Being equipped with the 5th cone joint outwardly, the sleeve on the 5th cone joint and tube for transfusion screws connection；And choke leads to
The unidirectional filter membrane of liquid, is arranged on the second protecgulum and in space that the second bonnet is formed, for intercepting the bubble in medicinal liquid.
Further, contaminant filter diaphragm is flat-plate microfiltration membrane or flat-plate ultrafiltration membrane, and filtering accuracy is 100nm～1 μ
m.It is hydrophilic microporous filter membrane that choke leads to the unidirectional filter membrane of liquid.
Further, the top of the first pipe is stretched out outside sleeve, and the distance of top distance sleeve is 1mm～3mm.The length of sleeve
Degree is 8mm～20mm.
It addition, this utility model additionally provides a kind of intravenous injection combination unit, have: transfusion device, including tube for transfusion；Band
Having the three-way valve of filtering function, wherein one end and tube for transfusion connect, for the medicinal liquid flowed into from tube for transfusion is carried out impurity mistake
Filter and bubble intercept；And venipuncture needle, and other ends connection of three-way valve.
It addition, this utility model additionally provides another kind of intravenous injection combination unit, have: transfusion device, set including front end
Put sleeved tube for transfusion；As above with the three-way valve of filtering function, its 5th cone joint and tube for transfusion screw even
Connect；Venipuncture needle, and the connection of the second cone joint；And intravenous injector, and the 3rd cone joint connection.
Utility model effect and effect
The three-way valve with filtering function provided according to this utility model, due to the first cone joint of three-way valve and defeated
Contaminant filter unit and bubble filter element it is provided with between liquid pipe, miscellaneous for the medicinal liquid flowed out from tube for transfusion is carried out microgranule
Matter filters and intercepts the bubble in medicinal liquid, it is ensured that the safety of medicinal liquid, decreases infusion reaction to a certain extent
The generation of phenomenon also can the most anti-return blood phenomenon occur, and then add the safety of transfusion.
Accompanying drawing explanation
Fig. 1 is the structural representation of the three-way valve with filtering function of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
Fig. 1 is the structural representation of the three-way valve with filtering function of the present embodiment.
Tube for transfusion, venipuncture needle and vein note is comprised as it is shown in figure 1, be arranged on the three-way valve 10 of filtering function
In the intravenous injection combination unit of emitter, including cock 11, first cone joint the 12, second cone joint 13 interconnected with
And the 3rd cone joint 14, contaminant filter unit 15, and bubble filter element 22.
First cone joint 12 is connected with tube for transfusion, is disposed with therebetween contaminant filter unit 15 and bubble
Filter element 22；Second cone joint 13 and venipuncture needle connect；3rd cone joint 14 and intravenous injector connect.
Contaminant filter unit 15 includes first protecgulum the 16, second bonnet 17 and internally positioned, for filtering in medicinal liquid
Granulometric impurity contaminant filter diaphragm 18.The center position of the first protecgulum 16 is provided with the first pipe 19 outwardly, and first
Being provided with tapped sleeve 20 on the outer wall of pipe 19, the port organization of female thread and the 3rd cone joint 14 matches.The
The center position of one bonnet 17 is provided with the 4th cone joint 21 outwardly.In the present embodiment, contaminant filter diaphragm is
Flat-plate microfiltration membrane or flat-plate ultrafiltration membrane, the filtering accuracy of this contaminant filter diaphragm is 100nm～1 μm.The top of the first pipe
Stretching out outside sleeve 20, the distance of top distance sleeve 20 is 1mm～3mm, a length of 8mm～20mm of sleeve.
Bubble filter element 22 includes second protecgulum the 23, second bonnet 24 and internally positioned, for intercepting in medicinal liquid
Bubble choke lead to the unidirectional filter membrane of liquid.The center position of the second protecgulum 23 is provided with the second pipe 25 outwardly, the second pipe
25 and the 4th cone joint 21 use the mode of grafting to be attached.The center position of the second bonnet 24 is provided with outwardly
The 5th cone joint 26, the sleeve on the 5th cone joint 26 and tube for transfusion screws connection.In the present embodiment, choke leads to liquid
Unidirectional filter membrane is hydrophilic microporous filter membrane.
It addition, the present embodiment additionally provides two types intravenous injection combination unit.The intravenous injection group of the first type
Locking device is made up of transfusion device, venipuncture needle and the above-mentioned three-way valve with filtering function, now, and two in three-way valve
Cone joint is in connected state.Tube for transfusion in transfusion device still connects with the 5th cone joint 26, venipuncture needle with and
The cone joint that first cone joint 12 is connected connects.
After medicinal liquid flows out from tube for transfusion, intercept bubble and through contaminant filter unit 15 through bubble filter element 22 successively
After filtering the granulometric impurity in medicinal liquid, then it is injected into the intravenous of patient by venipuncture needle.
The intravenous injection combination unit of the second type is by transfusion device, venipuncture needle, intravenous injector and above-mentioned band
Being made up of the three-way valve of filtering function, now, three cone joints in three-way valve are in connected state.Transfusion in transfusion device
Pipe still connects with the 5th cone joint 26, and venipuncture needle and intravenous injector are connected with two cone joints of residue respectively
Connect.
With the first intravenous injection combination unit, after medicinal liquid flows out from tube for transfusion, also it is successively through bubble filter element
22 intercept bubble and filter the granulometric impurity in medicinal liquid through contaminant filter unit 15.Intravenous injector is for noting in three-way valve
Penetrate other drug, the medicinal liquid mixing in three-way valve and in the tube for transfusion filtered of this medicine, then pass through venipuncture needle
It is injected into the intravenous of patient.
In the present embodiment, the cone joint compared with technology, vein puncture needle head and threeway the most all uses phase
The helmet answering shape is protected.
Embodiment effect and effect
The three-way valve with filtering function provided according to the present embodiment, due to the first cone joint and the transfusion of three-way valve
Contaminant filter unit and bubble filter element it is provided with, for the medicinal liquid flowed out from tube for transfusion is carried out granulometric impurity between pipe
Filter and the bubble in medicinal liquid is intercepted, it is ensured that the safety of medicinal liquid, decreasing infusion reaction to a certain extent existing
The generation of elephant also can the most anti-return blood phenomenon occur, and then add the safety of transfusion.
This utility model is not limited to the scope of detailed description of the invention, from the point of view of those skilled in the art, only
Want various changes to limit and in the spirit and scope of the present utility model that determine in described claim, these changes be aobvious and
Being clear to, all utilize innovation and creation that this utility model conceives all at the row of protection.
Claims (8)
1., with a three-way valve for filtering function, it is arranged on and comprises the quiet of tube for transfusion, venipuncture needle and intravenous injector
In arteries and veins injection combination unit, for the medicinal liquid flowing into described three-way valve from described tube for transfusion is filtered, it is characterised in that bag
Include:
Cock；And
The first cone joint, the second cone joint and the 3rd cone joint interconnected,
Wherein, described first cone joint connects with described tube for transfusion；Described second cone joint and described venipuncture needle are even
Connect；Described 3rd cone joint and described intravenous injector connect,
Contaminant filter unit and bubble filter element it is additionally provided with between described first cone joint and described tube for transfusion.
Three-way valve with filtering function the most according to claim 1, it is characterised in that:
Wherein, described contaminant filter unit includes:
First protecgulum, the center position of described first protecgulum is provided with the first pipe outwardly, the outer wall of described first pipe
On be provided with tapped sleeve, the port organization of described female thread and described 3rd cone joint matches；
First bonnet, the center position of described first bonnet is provided with the 4th cone joint outwardly；And
Contaminant filter diaphragm, is arranged on described first protecgulum and in space that described first bonnet is formed, is used for filtering medicinal liquid
In granulometric impurity.
Three-way valve with filtering function the most according to claim 2, it is characterised in that:
Wherein, described bubble filter element includes:
Second protecgulum, the center position of described second protecgulum is provided with the second pipe outwardly, and described second pipe is with described
4th cone joint uses the mode of grafting to be attached；
Second bonnet, the center position of described second bonnet is provided with the 5th cone joint outwardly, described 5th circle
Sleeve on taper joint and described tube for transfusion screws connection；And
Choke leads to the unidirectional filter membrane of liquid, is arranged on described second protecgulum and in space that described second bonnet is formed, is used for intercepting
Bubble in medicinal liquid.
Three-way valve with filtering function the most according to claim 2, it is characterised in that:
Wherein, described contaminant filter diaphragm is flat-plate microfiltration membrane or flat-plate ultrafiltration membrane, the filtration of described contaminant filter diaphragm
Precision is 100nm～1 μm.
Three-way valve with filtering function the most according to claim 3, it is characterised in that:
Wherein, described choke leads to the unidirectional filter membrane of liquid is hydrophilic microporous filter membrane.
Three-way valve with filtering function the most according to claim 2, it is characterised in that:
Wherein, the top of described first pipe is stretched out outside described sleeve, and described top is 1mm～3mm apart from the distance of described sleeve.
Three-way valve with filtering function the most according to claim 2, it is characterised in that:
Wherein, a length of 8mm～20mm of described sleeve.
8. kind of intravenous injection combination unit, it is characterised in that have:
Transfusion device, arranges sleeved tube for transfusion including front end；
With the three-way valve of filtering function, as stated in claim 3, the sleeve on described 5th cone joint and described tube for transfusion
Screw connection；
Venipuncture needle, and the connection of the second cone joint；And
Intravenous injector, and described 3rd cone joint connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620221668.3U CN205814865U (en) | 2016-03-22 | 2016-03-22 | A kind of three-way valve with filtering function and intravenous injection combination unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620221668.3U CN205814865U (en) | 2016-03-22 | 2016-03-22 | A kind of three-way valve with filtering function and intravenous injection combination unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205814865U true CN205814865U (en) | 2016-12-21 |
Family
ID=58148881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620221668.3U Expired - Fee Related CN205814865U (en) | 2016-03-22 | 2016-03-22 | A kind of three-way valve with filtering function and intravenous injection combination unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205814865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302466A (en) * | 2019-07-23 | 2019-10-08 | 北京医院 | A kind of triple valve with filtering function |
| US11344672B2 (en) | 2017-07-20 | 2022-05-31 | Gemtier Medical (Jiangsu) Inc. | Filter device and filtering infusion container comprising same |
-
2016
- 2016-03-22 CN CN201620221668.3U patent/CN205814865U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11344672B2 (en) | 2017-07-20 | 2022-05-31 | Gemtier Medical (Jiangsu) Inc. | Filter device and filtering infusion container comprising same |
| CN110302466A (en) * | 2019-07-23 | 2019-10-08 | 北京医院 | A kind of triple valve with filtering function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200322 |