CN209173086U - A kind of infusion connector - Google Patents
A kind of infusion connector Download PDFInfo
- Publication number
- CN209173086U CN209173086U CN201821213442.4U CN201821213442U CN209173086U CN 209173086 U CN209173086 U CN 209173086U CN 201821213442 U CN201821213442 U CN 201821213442U CN 209173086 U CN209173086 U CN 209173086U
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- fluid
- barrier flaps
- dividing walls
- port
- infusion connector
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Abstract
The utility model discloses a kind of infusion connector comprising coupling, interior joint chair and barrier flaps.Wherein, it is equipped with liquid stream road in coupling；Interior joint chair and coupling are tightly connected, and feed liquor runner is equipped in interior joint chair, are equipped with the dividing walls for blocking feed liquor runner in feed liquor runner, dividing walls be equipped with the fluid hole that liquid stream road is connected to out, be formed with chamber between feed liquor runner and out liquid stream road；Barrier flaps are set to chamber, and barrier flaps are equipped with the fluid-through port through barrier flaps, and fluid-through port is arranged in a staggered manner with fluid hole.Technical solutions of the utility model improve the structure of barrier flaps, effectively prevent leakage.
Description
Technical field
The utility model relates to disposable medical instrument technical field, in particular to a kind of infusion connector.
Background technique
Disposable transfusion device is common medical treatment consumptive materials in clinic.It needs to establish vein and medical fluid by aseptic process
Between channel, be used for venous transfusion.Disposable drain apparatus generally by intravenous needle or injection needle, needle guard, infusion tube,
The part such as liquid medicine filter, flow regulator, Murphy's dropper, bottle plug puncture unit, air filter connection composition, by with one
Secondary property intravenous infusion needle matches, for clinical gravity type infusion.
Infusion connector is set between transfusion needle and Murphy's dropper, is arranged generally proximate to transfusion needle.This is because just
In normal situation, medical fluid is since atmospheric pressure effect is flow in Murphy's dropper from infusion bottle, the head of liquid in Murphy's dropper
Greater than vein pressure, medical fluid is flow in vein blood vessel along infusion tube.However, when being only left a small amount of medical fluid in Murphy's dropper
When, it easily forms vein pressure and head of liquid quite or is greater than head of liquid, if transfusion needle is extracted or closed not in time flow velocity
Adjuster will cause venous return into infusion tube, blood return phenomenon occur, easily causes air embolism and can not continue defeated
Liquid.Therefore, using infusion connector, with the elasticity barrier when hydraulic column pressure is equal to or less than vein pressure, in infusion connector
Movement, which occurs, for piece in time cuts off infusion channel, so that the vein pressure in vein pressure and infusion tube keeps balance, prevents
The generation of blood return phenomenon.
Currently, the elastic barrier flaps in infusion connector are mainly made of silica gel, mode mainly has: first is that by elastic barrier flaps
It is movably set in the cavity that coupling and interior joint chair grafting are formed, in closure and fluid-through port are arranged in elastic barrier flaps, when
Hydraulic when being greater than vein pressure, elastic barrier flaps, which are floated, concurrently gives birth to elastic deformation far from interior joint chair, and fluid-through port and infusion channel connect
It is logical；When it is hydraulic be equal to or less than vein pressure when, the floating of elastic barrier flaps makes closure block infusion channel.However elasticity barrier
The floating of piece is allowed to be easy to appear deviation when resetting, and leads to that infusion channel cannot be blocked completely, causes leakage.Or make elasticity
Barrier flaps are fixed in the cavity of coupling and interior joint chair grafting, and elastic barrier flaps are equipped with one end movable part connected to it,
One end of movable part is detached from elastic barrier flaps so that infusion channel is connected to by hydraulic action, and when hydraulic action is smaller, movable part is extensive
Complex deformation cuts off infusion channel.But movable part resets completely because being difficult to caused by long-time deformation, leads to leakage, influences infusion apparatus
Normal use.
Utility model content
The main purpose of the utility model is to provide a kind of infusion connector, it is intended to which the structure for improving barrier flaps prevents leakage.
To achieve the above object, the utility model proposes infusion connector, comprising: coupling, it is interior be equipped with liquid stream road；It is interior
Joint chair is tightly connected with the coupling, and feed liquor runner is equipped in the interior joint chair, is equipped with described in blocking in the feed liquor runner
The dividing walls of feed liquor runner, the dividing walls be equipped with it is described go out the fluid hole that is connected to of liquid stream road, the feed liquor runner with it is described
Chamber is formed between liquid stream road out；Barrier flaps, are set to the chamber, and the barrier flaps are equipped with the logical liquid through the barrier flaps
Mouthful, the fluid-through port is arranged in a staggered manner with the fluid hole.
Preferably, the barrier flaps are made of elastic material.
Preferably, the outer peripheral surface of the barrier flaps is close to the inner wall of the chamber.
Preferably, the surface of the barrier flaps towards the dividing walls is abutted with the dividing walls, and the barrier flaps deviate from
The surface of the dividing walls is abutted with the inner wall of the chamber.
Preferably, the end face of the dividing walls towards the barrier flaps corresponds to the fluid-through port and is convexly equipped with blocking column.
Preferably, the free end end face court of the blocking column deviates from the tapered slot of direction concave shape of the barrier flaps.
Preferably, the fluid hole is equipped with multiple, and the fluid hole is uniformly arranged in the periphery of the blocking column.
Preferably, the end face of the barrier flaps towards the dividing walls is convexly equipped with annular convex platform, and the annular convex platform is in institute
State the outer periphery that the projection in dividing walls is located at the fluid hole.
Preferably, the end face of the annular convex platform towards the dividing walls is convexly equipped with multiple pillars.
Preferably, the pillar is uniformly arranged.
Technical solutions of the utility model seal interior joint chair and coupling by using coupling, interior joint chair and barrier flaps
Connection.It is equipped with feed liquor runner in interior joint chair, is equipped with liquid stream road in coupling, is formed with chamber between feed liquor runner and out liquid stream road
Room, barrier flaps are set to chamber.And in being equipped with the dividing walls for blocking feed liquor runner in feed liquor runner, dividing walls are equipped with liquid
Hole, barrier flaps are equipped with the fluid-through port through the barrier flaps, the fluid-through port are arranged in a staggered manner with fluid hole.In the fluid column pressure of medical fluid
When power is greater than vein pressure, medical fluid pushes barrier flaps to keep it mobile to the direction far from dividing walls, so that fluid hole and fluid-through port
Connection；When head of liquid is equal to or less than vein pressure, barrier flaps are because the effect by vein pressure is towards the side of dividing walls
To movement, and it is bonded the blocking to be formed to fluid hole and fluid-through port with dividing walls, blocks liquid medicine flow, prevent leakage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of one embodiment of infusion connector of the utility model；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the sectional view of A-A in Fig. 1；
Fig. 4 is the structural schematic diagram of interior one embodiment of joint chair in a kind of infusion connector of the utility model；
Fig. 5 is the structural schematic diagram at another visual angle of interior joint chair in Fig. 4；
Fig. 6 is the structural schematic diagram of one embodiment of coupling in a kind of infusion connector of the utility model；
Fig. 7 is the structural schematic diagram of one embodiment of barrier flaps in a kind of infusion connector of the utility model.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Infusion connector | 10 | Interior joint chair |
| 11 | Feed liquor runner | 12 | Dividing walls |
| 121 | Fluid hole | 122 | Block column |
| 123 | Cone tank | 13 | Chamber |
| 20 | Coupling | 21 | Liquid stream road out |
| 22 | Changeover portion | 23 | Annular groove |
| 30 | Barrier flaps | 31 | Fluid-through port |
| 32 | Annular convex platform | 33 | Pillar |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
The utility model proposes a kind of infusion connectors.
Fig. 1 is please referred to 7.
In the utility model embodiment, which includes coupling 20, interior joint chair 10 and barrier flaps 30.Wherein,
It is equipped with liquid stream road 21 in coupling 20；Interior joint chair 10 is tightly connected with coupling 20, is equipped with feed liquor runner 11 in interior joint chair 10,
The dividing walls 12 for blocking feed liquor runner 11 are equipped in feed liquor runner 11, dividing walls 12 are equipped with and liquid stream road 21 is connected to out fluid hole
121, chamber 13 is formed between feed liquor runner 11 and out liquid stream road 21；Barrier flaps 30 are set to chamber 13, and barrier flaps 30 are equipped with and pass through
The fluid-through port 31 of barrier flaps 30 is worn, fluid-through port 31 is arranged in a staggered manner with fluid hole 121.
Specifically, infusion connector 1 includes interior equipped with the coupling 20 for going out liquid stream road 21 and interior interior equipped with feed liquor runner 11
Joint chair 10, and feed liquor runner 11 and between liquid stream road 21 it is formed with chamber 13 out.It is connected in infusion tube in infusion connector 1,
Interior joint chair 10 is connected to one end in infusion tube far from transfusion needle, and coupling 20 is connected in infusion tube close to transfusion needle
One end.Medical fluid flows into feed liquor runner 11 from infusion tube, and liquid stream road 21 is flowed into out after chamber 13, is flowed into from coupling 20 defeated
It is input in vein after liquid hose.Meanwhile it is tightly connected interior joint chair 10 with coupling 20, infusion connector 1 is sealed, is prevented
Leakage.In the present embodiment, by the way of grafting, make coupling 20 that there is the annular groove 23 for being parallel to outer peripheral wall, makes interior
In the corresponding insertion annular groove 23 of the external annulus of joint chair 10, is realized and be tightly connected by tight fit.It of courses, other can also be used
Mode.
In order to balance head of liquid and vein pressure, in setting barrier flaps 30 in chamber 13.Barrier flaps 30, which are equipped with, runs through it
Fluid-through port 31, fluid-through port 31 is preferably disposed on the middle part of barrier flaps 30, so that 31 periphery of fluid-through port of barrier flaps 30 can be equal
Even stress.Meanwhile the dividing walls 12 for blocking feed liquor runner 11 are equipped in feed liquor runner 11, dividing walls 12 are equipped with fluid hole 121,
Fluid hole 121 is arranged in a staggered manner with fluid-through port 31.On the one hand, medical fluid flows into feed liquor runner 11, passes through medical fluid shape after fluid hole 121
At the head of liquid for being greater than vein pressure, keep barrier flaps 30 mobile to the direction far from dividing walls 12 under differential pressure action, out liquid
There is gap between hole 121 and fluid-through port 31, so that feed liquor runner 11 is connected to chamber 13, liquid is through fluid hole 121, fluid-through port
Chamber 13 is flowed into after 31, then flows into out liquid stream road 21.When the pressure difference between head of liquid and vein pressure is gradually reduced, barrier
Piece 30 is mobile towards the direction of dividing walls 12 by the gas pressure of vein pressure, and is bonded with dividing walls 12, makes fluid hole 121
Gap between fluid-through port 31 disappears, and has blocked the runner between feed liquor runner 11 and chamber 13, realizes the close of medical fluid runner
Envelope, not only prevents leakage, while also maintaining the balance between head of liquid and vein pressure, avoids blood back.
On the other hand, by using dividing walls 12 in feed liquor runner 11, reduction passes through the medicinal liquid flow of fluid hole 121,
To control the pressure difference of head of liquid and vein pressure, to realize control to 30 moving range of barrier flaps, make barrier flaps 30 with
Dividing walls 12 have preferable fiting effect, effectively prevent leakage.
In addition, also having changeover portion 22 between chamber 13 and out liquid stream road 21, the internal diameter of changeover portion 22 is towards far from barrier
The direction of piece 30 is in tapered setting.With by reduce the flowing space, increase the flow resistance of medical fluid, thus make medical fluid flow velocity and
Flow reduces, and meets and uses needs.
Technical solutions of the utility model by using coupling 20, interior joint chair 10 and barrier flaps 30, make interior joint chair 10 with it is outer
Connector 20 is tightly connected.Be equipped with feed liquor runner 11 in interior joint chair 10, be equipped with liquid stream road 21 in coupling 20, feed liquor runner 11 with
Chamber 13 is formed between liquid stream road 21 out, barrier flaps 30 are set to chamber 13.And in feed liquor runner 11 be equipped with block into
The dividing walls 12 in liquid stream road 11, dividing walls 12 are equipped with fluid hole 121, and barrier flaps 30 are equipped with the fluid-through port through the barrier flaps 30
31, the fluid-through port 31 is arranged in a staggered manner with fluid hole 121.With when the head of liquid of medical fluid is greater than vein pressure, medical fluid is pushed
Barrier flaps 30 keep it mobile to the direction far from dividing walls 12, so that fluid hole 121 is connected to fluid-through port 31；When head of liquid etc.
In or when being less than vein pressure, barrier flaps 30 because the direction of the effect by vein pressure towards dividing walls 12 is mobile, and with point
Blocking of the fitting formation of wall 12 to fluid hole 121 and fluid-through port 31 is flowed, liquid medicine flow is blocked, prevents leakage.
Refering to Fig. 2 and Fig. 3, barrier flaps 30 are made of elastic material.Using the deformation nature of elastic material, in medical fluid
When applying pressure to barrier flaps 30, deformation occurs and makes fluid hole 121 and logical liquid to the direction far from dividing walls 12 for barrier flaps 30
Gap is generated between mouth 31, feed liquor runner 11 is connected to liquid stream road 21 out；Pressure difference between head of liquid and vein pressure subtracts
In the case where small, barrier flaps 30 restore rapidly deformation due to the medical fluid pressure being subject to reduces, and barrier flaps 30 are bonded with dividing walls 12,
And then making fluid hole 121 and the covered blocking simultaneously of fluid-through port 31, feed liquor runner 11 is blocked with liquid stream road 21 out.In this respect
Under, the floating of barrier flaps 30 in the chamber can be reduced, or by fixing barrier flaps 30, directly prevent barrier flaps 30 from occurring floating
It is dynamic, fluid hole 121 and the relative position of fluid-through port 31 are fixed, is conducive to barrier flaps 30 and pressure difference variation is realized quickly, accurately
Reaction, improve infusion connector 1 sensitivity.Silica gel, polyethylene (PE), polyvinyl alcohol (PVA) etc. can be used in elastic material, by
There is preferable biocompatibility, hypotoxicity, and stable chemical performance in silica gel, will not react with liquid, it is usually preferred to
Silica gel.It is illustrated for barrier flaps 30 made of the silica gel below.
Refering to Fig. 3, barrier flaps 30 are fixed at chamber 13, keep the outer peripheral surface of barrier flaps 30 and the inner wall of chamber 13 tight
Patch.It avoids and generates gap between barrier flaps 30 and the inner wall of chamber 13, effectively prevent circumference of the barrier flaps 30 in chamber 13
Direction is floated, and is not only fixed fluid hole 121 and the position of fluid-through port 31, is also prevented medical fluid from flowing out to out liquid by gap
Runner 21 is concentrated medical fluid and is flowed out from fluid-through port 31.In other embodiments, also assembly knot can be set in the inner wall of chamber 13
Structure, such as card slot or grab realize the fixation to barrier flaps 30 by the assembly of barrier flaps 30 and assembling structure.It can also make to hinder
The inner wall of partition 30 and chamber 13 is in integral structure, etc..
In addition, refering to Fig. 3 and Fig. 7 barrier flaps 30 can also abutted towards the surface of dividing walls 12 with dividing walls 12, obstruct
Piece 30 is abutted away from the surface of dividing walls 12 with the inner wall of chamber 13.Barrier flaps 30 are made to be fixed on chamber in the flow direction of medical fluid
In 13, prevent barrier flaps 30 from floating.Also, extend the outer peripheral surface of barrier flaps 30 along the flow direction of medical fluid, it is certain to be formed
Return liquid space.
Refering to Fig. 4 and Fig. 5, the end face of dividing walls 12 towards barrier flaps 30 corresponds to fluid-through port 31 and is convexly equipped with blocking column 122.It is logical
The cooperation for crossing blocking column 122 and fluid-through port 31, makes feed liquor runner 11 be connected to or block with liquid stream road 21 out.It blocks column 122 and leads to
The fit system of liquid mouth 31 can there are many, such as make block column 122 it is tapered, and diameter towards far from dividing walls 12 direction
Successively decrease, blocking 122 part of column is made to be arranged in fluid-through port 31；Or make to block 122 cylinder of column, block the end of 122 free end of column
Face is greater than fluid-through port 31, and by end face covering fluid-through port 31, by feed liquor runner 11 and out, liquid stream road 21 is blocked.In the present embodiment, make
The end face of column 122 and the sizableness of fluid-through port 31 are blocked, makes to block column 122 and fluid-through port 31 by the way of interference fit,
When head of liquid is greater than vein pressure, barrier flaps 30 are acted on by the pressure of medical fluid, and 31 periphery of fluid-through port is to far from dividing walls
12 direction deformation, fluid-through port 31 and blocking column 122 are detached from, and fluid hole 121 is connected to fluid-through port 31.Be equal in head of liquid or
When less than vein pressure, 31 periphery of fluid-through port restores deformation, and the free end extruding of fluid-through port 31 and blocking column 122 generates interference and matches
It closes, blocks fluid-through port 31, cannot flow through medical fluid.Using blocking column 122, the direct patch of barrier flaps 30 Yu dividing walls 12 is avoided
It closes, so that with small contact area when blocking column 122 and fluid-through port 31 cooperate, thus needed for reducing barrier flaps 30 deformation occurs
Active force.It avoids the active force for being detached from barrier flaps 30 because binding face is excessive larger, barrier flaps 30 is be easy to cause to be detached from again
When can not be detached from since suction is larger so that infusion connector 1 block, be not available.
Further, refering to Fig. 4, the free end end face for blocking column 122 is recessed to form cone towards the direction away from barrier flaps 30
Shape slot 123.On the one hand, since medical fluid is attached to outer surface and the barrier flaps 30 of blocking column 122, when fluid-through port 31 and blocking column
When 122 cooperations make the free end for blocking column 122 squeeze and block fluid-through port 31, medical fluid can increase fluid-through port 31 and blocking column 122
Between suction-operated, and block column 122 end area it is bigger, suction-operated is stronger.Again by fluid-through port 31 and blocking column
When 122 disengaging, the head of liquid greater than adsorption capacity is needed to form, so that blocking column 122 and fluid-through port 31 are detached from difficulty, is made
It is blocked at fluid-through port 31, infusion connector 1 is not available.Therefore, reduce the end face of blocking 122 free end of column using cone tank 123
Area reduces the adsorption capacity between blocking column 122 and fluid-through port 31, to block the disengaging of column 122 Yu fluid-through port 31, guarantees to produce
Product normal use.On the other hand, reduced by the area for contacting blocking column 31 with barrier flaps 30, it is possible to increase blocking squeezes logical liquid
The pressure in barrier flaps 30 is acted on when mouth 31, so that the sealing effect between blocking column 122 and fluid-through port 31 is strengthened, into one
Step prevents leakage.
Refering to Fig. 4, fluid hole 121 be equipped with it is multiple, and fluid hole 121 uniformly be arranged in blocking column 122 periphery.By setting
Multiple evenly arranged fluid holes 121 are set, medical fluid is made to act on 31 periphery of fluid-through port and uniform force, to enable barrier flaps 30
Enough quickly deformation occurs, is quick on the draw, and has preferable using effect.Round hole, irregularly-shaped hole etc. can be used in fluid hole 121；Number
Amount can be set as needed, such as 2,4,5 etc..In the present embodiment, infusion hole number is 4, liquid can be made to flow
To barrier flaps generate pressure in the field of load of the deformation limit of 31 periphery of fluid-through port, realize preferable deformation effects.?
The flow that can guarantee liquid meets clinical use needs.
Refering to Fig. 7, the end face of barrier flaps 30 towards dividing walls 12 is convexly equipped with annular convex platform 32, and annular convex platform 32 is in dividing walls
Projection on 12 is located at the outer periphery of fluid hole 121.Medical fluid to be limited in the space between dividing walls 12 and annular convex platform 32
Flowing.By reducing the flowing space, concentrate medical fluid, and then enhance the flowing pressure of medical fluid, the pressure for being subject to barrier flaps 30
Increase, being conducive to barrier flaps 30, deformation occurs.
Further, refering to Fig. 7, the end face of annular convex platform 32 towards dividing walls 12 is convexly equipped with multiple pillars 33.Due to ring
Medical fluid is limited in the space that annular convex platform 32 is formed with dividing walls 12 by shape boss 32, is matched in fluid-through port 31 and blocking column 122
When conjunction, annular convex platform 32 is bonded with dividing walls 12.Binding face is annular convex platform 32 towards the end face of dividing walls 12, binding face
Greatly, so that medical fluid needs to form the impulse force greater than adhesive force and can just make barrier flaps 30 deformation occurs, fluid-through port 31 and blocking column 122
Separation, separation easy to form are difficult.Therefore, by the way that multiple pillars 33 are arranged, make pillar 33 and the fitting area of dividing walls 12 compared with
It is small, to achieve the effect that adhesive force reduces, convenient for the separation of fluid-through port 31 and blocking column 122, prevent from blocking, have preferable
Using effect.The quantity of pillar 33 is set as needed, such as 2,3,5, and in the present embodiment, 33 quantity of pillar is 6
It is a.
In addition, making pillar 33 uniformly arrange, so that barrier flaps 30 are uniform by the active force of medical fluid, so that pillar 33 is uniform
Stress is conducive to the separating effect for improving barrier flaps 30 and dividing walls 12.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of infusion connector characterized by comprising
Coupling, it is interior to be equipped with liquid stream road；
Interior joint chair is tightly connected with the coupling, and feed liquor runner is equipped in the interior joint chair, is equipped with resistance in the feed liquor runner
Break the dividing walls of the feed liquor runner, the dividing walls be equipped with and it is described go out the fluid hole that is connected to of liquid stream road, the feed liquor runner
Chamber is formed between the liquid stream road out；
Barrier flaps, be set to the chamber, the barrier flaps be equipped with through the barrier flaps fluid-through port, the fluid-through port with it is described
Fluid hole is arranged in a staggered manner.
2. infusion connector as described in claim 1, which is characterized in that the barrier flaps are made of elastic material.
3. infusion connector as claimed in claim 2, which is characterized in that the inner wall of the outer peripheral surface of the barrier flaps and the chamber
It is close in face.
4. infusion connector as claimed in claim 2, which is characterized in that the barrier flaps towards the dividing walls surface with it is described
Dividing walls abut, and the barrier flaps are abutted away from the surface of the dividing walls with the inner wall of the chamber.
5. the infusion connector as described in any one of claim 2 to 4, which is characterized in that the dividing walls are towards the barrier
The end face of piece corresponds to the fluid-through port and is convexly equipped with blocking column.
6. infusion connector as claimed in claim 5, which is characterized in that the free end end face of the blocking column is towards away from the resistance
The tapered slot of direction concave shape of partition.
7. infusion connector as claimed in claim 5, which is characterized in that the fluid hole is equipped with multiple, and the fluid hole is equal
The even periphery for being arranged in the blocking column.
8. infusion connector as claimed in claim 7, which is characterized in that end face projection of the barrier flaps towards the dividing walls
There is annular convex platform, the annular convex platform is located at the outer periphery of the fluid hole in the projection in the dividing walls.
9. infusion connector as claimed in claim 8, which is characterized in that the end face of the annular convex platform towards the dividing walls is convex
Equipped with multiple pillars.
10. infusion connector as claimed in claim 9, which is characterized in that the pillar is uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213442.4U CN209173086U (en) | 2018-07-27 | 2018-07-27 | A kind of infusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213442.4U CN209173086U (en) | 2018-07-27 | 2018-07-27 | A kind of infusion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173086U true CN209173086U (en) | 2019-07-30 |
Family
ID=67358605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821213442.4U Active CN209173086U (en) | 2018-07-27 | 2018-07-27 | A kind of infusion connector |
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| Country | Link |
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| CN (1) | CN209173086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169083A (en) * | 2020-10-16 | 2021-01-05 | 上海必趣医疗科技有限公司 | Needleless administration joint with neutral pressure |
-
2018
- 2018-07-27 CN CN201821213442.4U patent/CN209173086U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169083A (en) * | 2020-10-16 | 2021-01-05 | 上海必趣医疗科技有限公司 | Needleless administration joint with neutral pressure |
| CN112169083B (en) * | 2020-10-16 | 2022-09-27 | 上海必趣医疗科技有限公司 | Needleless administration joint with neutral pressure |
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