CN109908431A - Remaining needle and infusion device - Google Patents
Remaining needle and infusion device Download PDFInfo
- Publication number
- CN109908431A CN109908431A CN201910278252.3A CN201910278252A CN109908431A CN 109908431 A CN109908431 A CN 109908431A CN 201910278252 A CN201910278252 A CN 201910278252A CN 109908431 A CN109908431 A CN 109908431A
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- Prior art keywords
- tube
- remaining needle
- conduit
- sealing element
- puncture
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- 238000001802 infusion Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000008280 blood Substances 0.000 description 20
- 210000004369 blood Anatomy 0.000 description 20
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 210000003462 vein Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000036772 blood pressure Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000023555 blood coagulation Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
It includes: puncture needle tubing that the present invention, which discloses a kind of remaining needle and infusion device, remaining needle,；Conduit tube component, conduit tube component includes tube body and the puncture conduit for being connected to tube body one end, tube body is equipped with opening away from the one end for puncturing conduit, the sealing element for blocking opening is equipped in the inner cavity of tube body, sealing element is additionally provided with fixing piece away from the one end for puncturing conduit, needle tubing is punctured through being connected to fixing piece, sealing element and puncturing conduit, tube body lateral wall is connected with access tube, and access tube is located between sealing element and puncture conduit and is connected with tube body inner cavity；Connecting tube, connecting tube one end are connected to access tube, and the other end of connecting tube is connected with exhaust cap, exhaust cap include be connected to connecting tube connection sleeve and with the ventilated membrane that connect sleeve connection；And liquid stopping clamp, liquid stopping clamp are connected to connecting tube and are used to open or close connecting tube.It is intended to provide a kind of exhaust remaining needle certainly of pressure resistance.
Description
Technical field
The present invention relates to medical equipment technical fields, in particular to remaining needle and infusion device.
Background technique
Infusion refer to by injection by intravenous drip input human body, need to use in infusion process remaining needle as
Medium by conduit and punctures needle tubing and is pierced into vein blood vessel together when use, after conduit enters blood vessel, withdraws from puncture needle manually
Pipe, the flexible conduit indwelling for being coated on puncture needle pipe outer wall is infused in the blood vessel, and the use of remaining needle can be reduced because anti-
The pain for puncturing vein again and generating, while convenient for reducing the workload of medical worker.Due to remaining needle needed before use by
Air in remaining needle drains, and to solve the above-mentioned problems, and medical staff is avoided to occur flurried situation in operation,
Ventilated membrane often is set in the end of remaining needle, which can cannot pass through by blood.Pass through human body itself blood
The pressure of liquid achievees the purpose that exhaust, but is being enhanced in the prior art only suitable for the remaining needle of 150PSI
When inspection, it is desirable that injection rate is fast, injection pressure is big, and common remaining needle will appear no pressure resistance of situation.
Above content is only used for the technical solution that auxiliary understands the application, does not represent and recognizes that above content is existing skill
Art.
Summary of the invention
The main object of the present invention is to provide a kind of remaining needle, it is desirable to provide a kind of exhaust remaining needle certainly of pressure resistance.
To achieve the above object, the present invention proposes that a kind of remaining needle, the remaining needle include:
Puncture needle tubing；
Conduit tube component, the conduit tube component include tube body and the puncture conduit for being connected to described tube body one end, described
Tube body is equipped with opening away from described one end for puncturing conduit, is equipped with the sealing for blocking the opening in the inner cavity of the tube body
Part, the sealing element are additionally provided with fixing piece away from described one end for puncturing conduit, and the puncture needle tubing is described solid through being connected to
Determine part, the sealing element and the puncture conduit, the tube body lateral wall is connected with access tube, and the access tube is located at institute
It states between sealing element and the puncture conduit and is connected with the tube body inner cavity；
Connecting tube, described connecting tube one end are connected to the access tube, and the other end of the connecting tube is connected with exhaust cap,
The exhaust cap includes the connection sleeve for being connected to the connecting tube and the ventilated membrane with the connection sleeve connection；And
Liquid stopping clamp, the liquid stopping clamp are connected to the connecting tube and are used to open or close the connecting tube.
In the embodiment of the application, the pore size filter of the ventilated membrane is 0.1 μm to 0.13 μm.
In the embodiment of the application, the exhaust cap further includes at least two supporting elements, and two supporting elements are all connected with
In the connection sleeve, two supporting elements are connected to the ventilated membrane two sides respectively.
In the embodiment of the application, the exhaust cap further includes reinforcing rib, and the reinforcing rib is connected to the connection
The lateral wall of sleeve.
In the embodiment of the application, the inner cavity of the tube body is additionally provided with annular protrusion, the outside of the sealing element
Wall is equipped with annular engaging slot, and the annular protrusion is matched with the annular engaging slot.
In the embodiment of the application, the remaining needle further includes transition joint, and described transition joint one end is connected to
The connecting tube, the other end of the transition joint are threadedly connected to the connection sleeve.
In the embodiment of the application, the transition joint outer wall is coated with antiskid glue sleeve.
In the embodiment of the application, the access tube and the sealing element are mutually 45 degree of angles.
In the embodiment of the application, the remaining needle further includes operation handle, and the operation handle is connected to described
Needle tubing is punctured close to one end of the fixing piece, the operation handle is for extracting the puncture needle tubing.
The application also proposes a kind of infusion device, including perfusion tube and remaining needle.
Technical solution of the present invention is used to fix the sealing element by the way that fixing piece is arranged in the inner cavity of conduit tube component, thus
It realizes following effect: one, needing to puncture needle tubing after completing puncture working and withdraw from, avoid puncturing needle tubing when withdrawing from for sealing
Part is taken out of together, ensure that the leakproofness of sealing element；Two, after withdrawing from puncture needle tubing, blood can be flowed into remaining needle and will stay
The air set in needle is drained, since blood has certain pressure, avoids blood pressure excessive by the way that fixing piece is arranged in sealing element side
Sealing element is ejected；Three, when carrying out high pressure fluid infusion, the injection pressure of drop reaches 350PSI, avoids because of injection pressure
Power crosses the ejection of senior general's sealing element, to provide good sealing effect.
The other end of connecting tube is connected with exhaust cap, by the way that exhaust cap is directly arranged, no setting is required other transferring elements,
The speed for accelerating exhaust avoids the occurrence of the case where blood stops condensation in remaining needle for a long time and blocks remaining needle blocking and goes out
It is existing.Specifically, first passing through puncture needle tubing when using needle tubing is punctured and being pierced into vein, puncture conduit and puncture needle tubing together
It enters in vein, needle tubing will be punctured at this time and withdrawn from from the other end of tube body, conduit will be punctured and stayed in vein, puncture is withdrawn from
After needle tubing, since human blood-pressure is greater than the pressure of air, so blood can enter in remaining needle, since the end of remaining needle is set
It is equipped with ventilated membrane, ventilated membrane can only allow air to pass through, and with increasing for blood, slowly drain the air in remaining needle, in sky
After gas drains, connecting tube is closed by liquid stopping clamp, blood can not continue into remaining needle at this time, need to only connect medicine at this time
Then liquid opens liquid stopping clamp, ambient pressure is greater than human blood-pressure at this time, and extraneous pressure pushes back blood into the human body, thus
Complete infusion work.By adopting the above technical scheme, when carrying out high-pressure injection, it can guarantee the stability of entire remaining needle, avoid
Occur because pressure is excessive, the no pressure resistance of situation of remaining needle ensure that the stability of entire infusion process.Reduce exhaust simultaneously
Time, avoid blood clotting block remaining needle, for it is subsequent be infused good environment is provided.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of remaining needle of the present invention；
Fig. 2 is conduit tube component partial enlarged view in Fig. 1；
Fig. 3 is the partial enlarged view of exhaust cap in Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Remaining needle | 50 | Exhaust cap |
| 10 | Puncture needle tubing | 51 | Connect sleeve |
| 20 | Conduit tube component | 52 | Ventilated membrane |
| 21 | Tube body | 53a | Supporting element |
| 22 | Puncture conduit | 53b | Supporting element |
| 23 | Sealing element | 54 | Reinforcing rib |
| 24 | Fixing piece | 60 | Transition joint |
| 25 | Access tube | 70 | Antiskid glue sleeve |
| 30 | Connecting tube | 80 | Operation handle |
| 40 | Liquid stopping clamp | 26 | Annular protrusion |
| 231 | Annular engaging slot |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction of institute is only used for explaining each component under a certain particular pose in the embodiment of the present invention
Between relative positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly
It changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating 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 the present invention claims guarantor
Within the scope of shield.
The present invention proposes that a kind of remaining needle 100, the remaining needle 100 include:
Puncture needle tubing 10；
Conduit tube component 20, the conduit tube component 20 include that tube body 21 is led with the puncture for being connected to described 21 one end of tube body
Pipe 22, the tube body 21 are equipped with opening away from described one end for puncturing conduit 22, are equipped with envelope in the inner cavity of the tube body 21
The sealing element 23 of the opening is blocked up, the sealing element 23 is additionally provided with fixing piece 24 away from described one end for puncturing conduit 22, described
Puncture needle tubing 10, which runs through, is connected to the fixing piece 24, the sealing element 23 and the puncture conduit 22, the tube body 21
Lateral wall is connected with access tube 25, the access tube 25 between the sealing element 23 and the puncture conduit 22 and with it is described
The conducting of 21 inner cavity of tube body；
Connecting tube 30, described 30 one end of connecting tube are connected to the access tube 25, the other end connection of the connecting tube 30
There is exhaust cap 50, the exhaust cap 50 includes being connected to the connection sleeve 51 of the connecting tube 30 and connecting with the connection sleeve 51
The ventilated membrane 52 connect；And
Liquid stopping clamp 40, the liquid stopping clamp 40 are connected to the connecting tube 30 and are used to open or close the connecting tube 30.
In this application, it punctures needle tubing 10 to be made of alloy material, punctures needle tubing 10 and skin contact end is and level
Slope surface is slided at the V-type at 40 degree to 50 degree angles in face, in the case where blood flow after guaranteeing to puncture, provides and preferably punctures effect
Fruit, the angle that preferred V slides slope surface is 45 degree.Catheter body 21 uses plastic cement material, using the tube body of plastic cement material
21, there is biggish retractility, save the cost.
It punctures conduit 22 and is connected to 21 one end of tube body, connected by the way of being connected together, using the side being connected together
Formula connection guarantees the stability of connection, avoids puncture conduit 22 to fall off in carrying out high pressure infusion process, causes danger, certain root
It can also be connected by the way of damping connection using other connection types, such as damping connection etc. according to the needs of design, side
Just it is fixed in producing initial stage to conduit 22 is punctured.Tube body 21 is equipped with opening away from the one end for puncturing conduit 22, and setting should
Convenient take out after completing to puncture of opening punctures needle tubing 10.Sealing element 23 is set in the inner cavity of tube body 21, and sealing element 23 is used for
The opening is blocked, after taking out puncture needle tubing 10, guarantees the leakproofness of remaining needle 100.
It is connected by the way of damping connection between sealing element 23 and tube body 21, it is convenient by the way of damping connection
Install or remove sealing element 23.Sealing element 23 is made of elastic material, has certain deformability.Sealing element 23 is away from puncture
One end of conduit 22 is additionally provided with fixing piece 24, is connected by the way of damping connection between fixing piece 24 and tube body 21, into
One step, in order to guarantee the stability of connection, apply glue in the junction of fixing piece 24 and tube body 21, the company of being further ensured that
The stability connect.
The center of fixing piece 24 is equipped with for the circular through hole by puncturing needle tubing 10, and setting circular through hole is conveniently worn
Pricker pipe 10 passes through, and avoids fixing piece 24 and punctures the friction between needle tubing 10, the extraction of needle tubing 10 is punctured convenient for the later period.Exhaust
Cap 50 is connected to one end of connecting tube 30, is connected by the way of being threadedly coupled between exhaust cap 50 and connecting tube 30, using spiral shell
The mode of line connection connects, and avoids exhaust cap 50 from falling off in exhaust process, provides more stable connection effect, certain basis
The needs of design can also be using other connection types, such as snap connection, by the way of snapping connection, it is easy to disassemble and
Connection, reduces the time of operation.
Technical solution of the present invention in the inner cavity of conduit tube component 20 by being arranged fixing piece 24 for fixing the sealing element
23, to realize following effect: one, needle tubing 10 will be punctured by, which needing after completing puncture working, withdraws from, and avoids puncturing when withdrawing from
Needle tubing 10 takes sealing element 23 out of together, ensure that the leakproofness of sealing element 23；Two, after withdrawing from puncture needle tubing 10, blood meeting
It is interior that air in remaining needle 100 is drained to be flowed into remaining needle 100, since blood has certain pressure, by sealing element 23
Side setting fixing piece 24 avoids blood pressure from crossing the ejection of senior general's sealing element 23；Three, when carrying out high pressure fluid infusion, the injection of drop
Pressure reaches 350PSI, avoids because injection pressure crosses the ejection of senior general's sealing element 23, to provide good sealing effect.
The other end of connecting tube 30 is connected with exhaust cap 50, by the way that exhaust cap 50 is directly arranged, other biographies that no setting is required
Component is passed, the speed of exhaust is accelerated, blood is avoided the occurrence of and stops condensation in remaining needle 100 for a long time and block remaining needle
The case where 100 blocking, occurs.Specifically, first passing through puncture needle tubing 10 when using needle tubing 10 is punctured and being pierced into vein, puncture
Conduit 22 and puncture needle tubing 10 enter in vein together, will puncture needle tubing 10 at this time and withdraw from from the other end of tube body 21, will
It punctures conduit 22 to stay in vein, withdraw from after puncturing needle tubing 10, since human blood-pressure is greater than the pressure of air, so blood can be into
Enter into remaining needle 100, since the end of remaining needle 100 is provided with ventilated membrane 52, ventilated membrane 52 can only allow air to pass through, with
Blood increases, and slowly drains the air in remaining needle 100, after air drains, is closed connecting tube 30 by liquid stopping clamp 40
It closes, blood can not continue into remaining needle 100 at this time, need to only connect medical fluid at this time, then open liquid stopping clamp 40, outer at this time
Boundary's pressure is greater than human blood-pressure, and extraneous pressure pushes back blood into the human body, to complete infusion work.Using above-mentioned technology
Scheme can guarantee the stability of entire remaining needle 100 when carrying out high-pressure injection, avoid the occurrence of because pressure is excessive, remaining needle
100 no pressure resistance of situations, ensure that the stability of entire infusion process.The time for reducing exhaust simultaneously, avoid blood clotting
Remaining needle 100 is blocked, provides good environment for subsequent infusion.
In the embodiment of the application, the pore size filter of the ventilated membrane 52 is 0.1 μm to 0.13 μm.
In the present embodiment, ventilated membrane 52 uses hydrophobic membrane, and the barrier of blood is completed by hydrophobic membrane, only allows air logical
Crossing does not allow blood to pass through, to realize the effect of exhaust, the aperture of filtering is arranged between 0.1 μm to 0.13 μm, is being protected
Card blood is intransitable while guaranteeing that air has biggish outlet.Further preferred aperture uses 0.12 μm, using 0.12 μ
The aperture of m guarantee air have it is larger pass through aperture when, avoid the harmful substance in air from entering by the pore size filter and stay
It sets inside needle 100.
In the embodiment of the application, the exhaust cap 50 further includes at least two supporting element 53a, two supporting elements
53a is all connected to the connection sleeve 51, and the two supporting element 53a are connected to 52 two sides of ventilated membrane respectively.
By adopting the above technical scheme, abutting respectively in the two sides of ventilated membrane 52 has supporting element 53a and supporting element 53b, uses
In fixed ventilation film 52, guarantee that ventilated membrane 52 during ventilative, avoids the risk to fall off because of hyperpiesia.Supporting element 53
It is connected to by the way of being connected together in connection sleeve 51, facilitates the installation of early period.It certainly, can also be with according to the needs of design
Using other connection types, for example, by using glue bonding etc..So that supporting element 53 is easier for installation.
In the embodiment of the application, the exhaust cap 50 further includes reinforcing rib 54, and the reinforcing rib 54 is connected to institute
State the lateral wall of connection sleeve 51.
By adopting the above technical scheme, in the outside setting reinforcing rib 54 of connection sleeve 51 for improving entire connection sleeve 51
Intensity, the convenient sleeve 51 that will connect after completing exhaust work is removed while reinforcing connecting sleeve 51.
In the embodiment of the application, the inner cavity of the tube body 21 is additionally provided with annular protrusion 26, the sealing element 23
Lateral wall be equipped with annular engaging slot 231, the annular protrusion 26 is matched with the annular engaging slot 231.
By adopting the above technical scheme, annular protrusion 26 is set in tube body 21, by annular protrusion 26 and is arranged close
Sealing element 23 is fixed in the cooperation of annular engaging slot 231 on 23 lateral wall of sealing, avoids when carrying out high-pressure injection, close
The case where sealing 23 falls off further increases the stability of the work of remaining needle 100.
In the embodiment of the application, the remaining needle 100 further includes transition joint 60, described 60 one end of transition joint
It is connected to the connecting tube 30, the other end of the transition joint 60 is threadedly connected to the connection sleeve 51.
By adopting the above technical scheme, remaining needle 100 further includes transition joint 60, can mistake by the way that transition joint 60 is arranged
The impurity in medical fluid is filtered, the injury to human body is reduced.
In the embodiment of the application, 60 outer wall of transition joint is coated with antiskid glue sleeve 70.
By adopting the above technical scheme, facilitate medical staff to hold in the outer wall cladding antiskid glue sleeve 70 of transition joint 60, keep away
Exempt to skid.
In the embodiment of the application, the access tube 25 is mutually 45 degree of angles with the sealing element 23.
By adopting the above technical scheme, the setting Chinese idiom sealing element 23 of access tube 25 is mutually 45 degree of angles, facilitates medical fluid or medical fluid
Pass through, avoid that blood is avoided there are large turn point to condense in reflux course in turning point between access tube 25 and tube body 21,
Guarantee entirely to retain one's post needle using unobstructed, avoid the occurrence of congestion.
In the embodiment of the application, the remaining needle 100 further includes operation handle 80, and the operation handle 80 connects
In the puncture needle tubing 10 close to one end of the fixing piece 24, the operation handle 80 is for extracting the puncture needle tubing 10.
By adopting the above technical scheme, conveniently exist in one end attended operation handle 80 for puncturing the close fixing piece 24 of needle tubing 10
Puncture needle tubing 10 is taken out after completing puncture working.
The present invention also proposes a kind of infusion device, which includes perfusion tube and remaining needle 100, and specific structure is referring to above-mentioned
Embodiment, since infusion device uses whole technical solutions of above-mentioned all embodiments, the skill with above-described embodiment
All beneficial effects, no longer repeat one by one again brought by art scheme.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of remaining needle, which is characterized in that the remaining needle includes:
Puncture needle tubing；
Conduit tube component, the conduit tube component include tube body and the puncture conduit for being connected to described tube body one end, the pipe sheet
Body is equipped with opening away from described one end for puncturing conduit, is equipped with the sealing element for blocking the opening in the inner cavity of the tube body,
The sealing element is additionally provided with fixing piece away from described one end for puncturing conduit, and the puncture needle tubing, which runs through, is connected to the fixation
Part, the sealing element and the puncture conduit, the tube body lateral wall are connected with access tube, and the access tube is located at described
It is connected between sealing element and the puncture conduit and with the tube body inner cavity；
Connecting tube, described connecting tube one end are connected to the access tube, and the other end of the connecting tube is connected with exhaust cap, described
Exhaust cap includes the connection sleeve for being connected to the connecting tube and the ventilated membrane with the connection sleeve connection；And
Liquid stopping clamp, the liquid stopping clamp are connected to the connecting tube and are used to open or close the connecting tube.
2. remaining needle as described in claim 1, which is characterized in that the pore size filter of the ventilated membrane is 0.1 μm to 0.13 μm.
3. remaining needle as claimed in claim 2, which is characterized in that the exhaust cap further includes at least two supporting elements, described in two
Supporting element is all connected to the connection sleeve, and two supporting elements are connected to the ventilated membrane two sides respectively.
4. remaining needle as claimed in claim 3, which is characterized in that the exhaust cap further includes reinforcing rib, and the reinforcing rib connects
It is connected to the lateral wall of the connection sleeve.
5. remaining needle as claimed in claim 4, which is characterized in that the inner cavity of the tube body is additionally provided with annular protrusion, described
The lateral wall of sealing element is equipped with annular engaging slot, and the annular protrusion is matched with the annular engaging slot.
6. the remaining needle as described in any one of claim 1 to 5, which is characterized in that the remaining needle further includes that filtering connects
Head, described transition joint one end are connected to the connecting tube, and the other end of the transition joint is threadedly connected to the connector sleeve
Cylinder.
7. remaining needle as claimed in claim 6, which is characterized in that the transition joint outer wall is coated with antiskid glue sleeve.
8. remaining needle as claimed in claim 7, which is characterized in that the access tube and the sealing element are mutually 45 degree of angles.
9. remaining needle as claimed in claim 8, which is characterized in that the remaining needle further includes operation handle, the manipulator
Handle is connected to the puncture needle tubing close to one end of the fixing piece, and the operation handle is for extracting the puncture needle tubing.
10. a kind of infusion device, which is characterized in that the remaining needle including perfusion tube and as described in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278252.3A CN109908431A (en) | 2019-04-08 | 2019-04-08 | Remaining needle and infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278252.3A CN109908431A (en) | 2019-04-08 | 2019-04-08 | Remaining needle and infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109908431A true CN109908431A (en) | 2019-06-21 |
Family
ID=66968971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910278252.3A Pending CN109908431A (en) | 2019-04-08 | 2019-04-08 | Remaining needle and infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109908431A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201361314Y (en) * | 2009-02-24 | 2009-12-16 | 佛山市爱迪医疗器械有限公司 | Retaining needle capable of discharging gas automatically |
| CN202961357U (en) * | 2012-11-13 | 2013-06-05 | 邵聪文 | Novel remaining needle |
| CN205084113U (en) * | 2015-10-20 | 2016-03-16 | 南阳医学高等专科学校第一附属医院 | Neurosurgery is with keeping somewhere needle |
| CN205849916U (en) * | 2016-06-24 | 2017-01-04 | 河南驼人贝斯特医疗器械有限公司 | A kind of high pressure-resistant remaining needle |
| US20170239443A1 (en) * | 2016-02-18 | 2017-08-24 | Smiths Medical Asd, Inc. | Closed system catheter |
| CN209827812U (en) * | 2019-04-08 | 2019-12-24 | 深圳安特医疗股份有限公司 | Indwelling needle and infusion device |
-
2019
- 2019-04-08 CN CN201910278252.3A patent/CN109908431A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201361314Y (en) * | 2009-02-24 | 2009-12-16 | 佛山市爱迪医疗器械有限公司 | Retaining needle capable of discharging gas automatically |
| CN202961357U (en) * | 2012-11-13 | 2013-06-05 | 邵聪文 | Novel remaining needle |
| CN205084113U (en) * | 2015-10-20 | 2016-03-16 | 南阳医学高等专科学校第一附属医院 | Neurosurgery is with keeping somewhere needle |
| US20170239443A1 (en) * | 2016-02-18 | 2017-08-24 | Smiths Medical Asd, Inc. | Closed system catheter |
| CN205849916U (en) * | 2016-06-24 | 2017-01-04 | 河南驼人贝斯特医疗器械有限公司 | A kind of high pressure-resistant remaining needle |
| CN209827812U (en) * | 2019-04-08 | 2019-12-24 | 深圳安特医疗股份有限公司 | Indwelling needle and infusion device |
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