CN208958787U - A kind of configuration pin and configuration device with function of balancing air pressure - Google Patents
A kind of configuration pin and configuration device with function of balancing air pressure Download PDFInfo
- Publication number
- CN208958787U CN208958787U CN201820137107.4U CN201820137107U CN208958787U CN 208958787 U CN208958787 U CN 208958787U CN 201820137107 U CN201820137107 U CN 201820137107U CN 208958787 U CN208958787 U CN 208958787U
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- filter membrane
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- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000013022 venting Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims description 51
- 230000000505 pernicious effect Effects 0.000 claims description 24
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 35
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 37
- 238000010586 diagram Methods 0.000 description 15
- 229940079593 drug Drugs 0.000 description 13
- 238000007789 sealing Methods 0.000 description 10
- 238000000605 extraction Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000000443 aerosol Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- JGSARLDLIJGVTE-UHFFFAOYSA-N 3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Chemical compound O=C1N2C(C(O)=O)C(C)(C)SC2C1NC(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000012155 injection solvent Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011801 monoporous material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of configuration pin and configuration device with function of balancing air pressure, configuration pin includes: syringe needle and needle stand；The two-chamber channel for being respectively used to ventilation and logical liquid is provided in the syringe needle；It is provided with the upper-side hole close to tip portion and the lower-side hole close to hub portion in venting channels, is provided with liquid-passing hole in logical liquid channel；The position that the needle stand and syringe needle are cooperatively connected is provided with hub interface corresponding with lower-side hole, is used for so that venting channels pass through hub interface and extraneous connection.The configuration pin with function of balancing air pressure can be avoided the formation of positive and negative air-pressure, improve the rate and reliability of medicine ordinance operation by the way that mutually isolated venting channels and logical liquid channel are arranged in syringe needle.
Description
This application claims the submission of on May 26th, 2017 Patent Office of the People's Republic of China, application No. is 201720601617.8, it is practical
New Name is a kind of priority of the Chinese patent application of " configuration pin and configuration device with function of balancing air pressure ", the Shen
Full content please is hereby incorporated by reference in the application.
Technical field
The utility model relates to the field of medical instrument technology, particularly relate to a kind of configuration pin with function of balancing air pressure and
Configuration device.
Background technique
Currently, in the drug using sealing container, such as: when cillin bottle matches liquid, the configuration pin that uses is general single-chamber/mono-
Pore structure.Such single-chamber/single hole needle construction is in the injection solvent in sealing container (such as: cillin bottle), in sealing container
Positive pressure can be generated, hinders the smooth injection of solvent, while having liquid/aerosol splash when extracting needle, it can be to operator
And the personnel in this space bring harm.In addition, using single-chamber/single hole needle out of sealing container the medicine after draw dissolved outward
When liquid, negative pressure can be generated in sealing container, so that extraction medical fluid is become more difficult, and keep working efficiency low.Therefore, inventor exists
Find that the prior art at least has the following deficiencies: currently used configuration pin in sealing container during realizing the application
It is easy to hinder injection or extraction operation due to positive pressure or negative pressure when drug is extracted or injected, in some instances it may even be possible to correlation
Personnel bring harm, and cause the waste of medical fluid.
Utility model content
In view of this, the purpose of this utility model is that proposing a kind of configuration pin with function of balancing air pressure and configuration dress
It sets, enables to the air pressure balance between sealing container and external environment, eliminate since injection or extraction operation are formed just
Pressure or negative pressure, improve the efficiency and safety of medicine ordinance operation, while avoiding the waste of drug.
Based on a kind of above-mentioned purpose configuration pin with function of balancing air pressure provided by the utility model, comprising: syringe needle and
Needle stand；The two-chamber channel for being respectively used to ventilation and logical liquid is provided in the syringe needle；It is provided in venting channels close to needle tip
The upper-side hole divided and the lower-side hole close to hub portion, lead in liquid channel and are provided with liquid-passing hole；The needle stand and syringe needle cooperation connect
The position connect is provided with hub interface corresponding with lower-side hole, is used for so that venting channels pass through hub interface and extraneous connection.
Optionally, the hub interface is connect with external gas collector.
Optionally, the position that the lower-side hole and hub interface are cooperatively connected is provided with vent grooves, the vent grooves
It is inside provided with filter membrane, and makes that there is gap between filter membrane and needle body；The filter membrane is used for flowing into venting channels
Or the gas of outflow is filtered；Wherein, the needle body is the overall structure that needle stand and syringe needle are formed.
Optionally, the configuration pin further includes pernicious gas adsorption filter；The pernicious gas adsorption filter setting
Between the filter membrane and the hub interface, the pernicious gas adsorption filter is for absorbing pernicious gas.
Optionally, the outlet port of the pernicious gas adsorption filter or the hub interface is also connected with harmful gas
Body collection device, for collecting the pernicious gas of discharge.
Optionally, filter membrane support construction can be set in vent grooves, be used to support and protect filter membrane.
Optionally, the vent grooves also can be set on filter membrane protective cover.It is at lower-side hole and hub interface
Through-hole structure, filter membrane protective cover are groove structure；Filter membrane is set in filter membrane protective cover groove.
Optionally, filter membrane support construction can be set in filter membrane protective cover inside grooves, is used to support and protected
Filter membrane.
Optionally, the filter membrane is hydrophobic permeable membrane.
Optionally, the filter membrane surround the outside for being set to the needle body, and has between the filter membrane and needle body
Circular vent grooves.
Optionally, it is additionally provided with shield on the outside of the filter membrane, for protecting filter membrane.
Optionally, the shield is the drum type structure of side hollow out, for providing support and ventilation effect.
Optionally, the two-chamber channel in the syringe needle is formed using injection molding manner, is used for core syringe needle inside simultaneously
And venting channels and logical liquid channel are separated by core.
Optionally, needle body is designed using ovalization.
Present invention also provides a kind of configuration device, the configuration device includes that air pressure is had described in above-mentioned any one
The configuration pin of equilibrium function.
From the above it can be seen that the configuration pin provided by the utility model with function of balancing air pressure is by by syringe needle
Part is provided with two-chamber channel, and one for ventilating, one is used to lead to liquid, is then respectively arranged at the both ends of venting channels
Side opening and lower-side hole are for ventilating.In this way, can be connected in medicine bottle with extraneous when carrying out drug extraction or injection,
And then avoid the problem that positive/negative-pressure, the efficiency and safety of medicine ordinance are improved, medicament residue or splash are avoided.In addition, by
The channel for being used to lead to liquid is spaced from each other with the channel for being used to ventilate in the application, so that not influencing extraction or the note of drug completely
Enter operation, while corresponding liquid medicine can also be separated with gaseous medication, improves the safety and reliability of medicine ordinance.
Therefore, the configuration pin described herein with function of balancing air pressure can be avoided the formation of positive and negative air-pressure, improves drug and matches
Set the rate and reliability of operation.
Detailed description of the invention
Fig. 1 is the structural representation of one embodiment of the configuration pin provided by the utility model with function of balancing air pressure
Figure；
Fig. 1 a is the cross-sectional view of one embodiment of configuration pin syringe needle provided by the utility model；
Fig. 1 b is the cross-sectional view of another embodiment of configuration pin syringe needle provided by the utility model；
Fig. 2 is the structural representation of second embodiment of the configuration pin provided by the utility model with function of balancing air pressure
Figure；
Fig. 3 is the partial structural diagram that needle stand provided by the utility model corresponds to vent grooves；
Fig. 4 is the partial structural diagram that needle stand provided by the utility model corresponds to filter membrane；
Fig. 5 is the partial structural diagram that needle stand provided by the utility model corresponds to shield；
Fig. 6 is the structural representation of the third embodiment of the configuration pin provided by the utility model with function of balancing air pressure
Figure；
Fig. 7 is the structural representation of the 4th embodiment of the configuration pin provided by the utility model with function of balancing air pressure
Figure；
Fig. 8 is the partial sectional view of one embodiment of injection molding core provided by the utility model；
Fig. 9 is the partial sectional view of another embodiment of injection molding core provided by the utility model；
Figure 10 is that the structure of the 5th embodiment of the configuration pin provided by the utility model with function of balancing air pressure is shown
It is intended to；
Figure 11 is that the structure of the 6th embodiment of the configuration pin provided by the utility model with function of balancing air pressure is shown
It is intended to；
Figure 11 a is the cross-sectional view of the third embodiment of configuration pin syringe needle provided by the utility model；
Figure 12 is that the structure of the 7th embodiment of the configuration pin provided by the utility model with function of balancing air pressure is shown
It is intended to；
Figure 13 is that the structure of the 8th embodiment of the configuration pin provided by the utility model with function of balancing air pressure is shown
It is intended to.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.
The application is directed to the problem of being currently easy to appear positive/negative-pressure when configuring drug, proposes a kind of improved structure,
Outer gas in balance while allowing to smoothly inject solvent into sealing container or extract medical fluid from inside to outside from sealing container
Pressure prevents in container air pressure is excessive to cause aerosol/liquid with outside is splashed to when syringe needle is extracted, protects people in operating space
Member's safety improves working efficiency simultaneously.
It is one embodiment of the configuration pin provided by the utility model with function of balancing air pressure shown in referring to Fig.1
Structural schematic diagram.The configuration pin with function of balancing air pressure includes: syringe needle 1 and needle stand 2；It is provided in the syringe needle 1
It is respectively used to the two-chamber channel of ventilation and logical liquid；It is provided in venting channels close to the upper-side hole 11 of tip portion and close to needle stand
Partial lower-side hole 12 leads in liquid channel and is provided with liquid-passing hole 13；The position that the needle stand 2 is cooperatively connected with syringe needle 1 is provided with
Hub interface 21 corresponding with lower-side hole 12 is used for so that venting channels pass through hub interface 21 and extraneous connection.Wherein, described
Syringe needle optionally uses steel double lumen tube.The upper-side hole 11 and lower-side hole 12 can be set on the same line, can also root
Certain dislocation is formed according to needing to be set as being not on same straight line.The position of the upper-side hole 11 and lower-side hole 12 can be with
Corresponding adjustment as needed only needs so that the upper-side hole 11 is located in bottle, the lower-side hole when in syringe needle insertion medicine bottle
12 are located at outside bottle.In this manner it is possible to realize the pumping of drug by leading to liquid channel by the air pressure inside and outside venting channels equalizing vial
It takes or injects.
As can be seen from the above embodiments, the configuration pin with function of balancing air pressure is double by the way that 1 part of syringe needle to be provided with
Chamber channel, one for ventilating, one is used to lead to liquid, is then respectively arranged with upper-side hole 11 and downside at the both ends of venting channels
Hole 12 is for ventilating.In this way, can be connected in medicine bottle with extraneous, and then avoid when carrying out drug extraction or injection
The problem of positive/negative-pressure, improves the efficiency and safety of medicine ordinance, avoids medicament residue or splash.Further, since the application
The channel for being used to lead to liquid is spaced from each other with the channel for being used to ventilate, so that do not influence extraction or the implant operation of drug completely,
Corresponding liquid medicine can also be separated simultaneously with gaseous medication, improve the safety and reliability of medicine ordinance.Therefore, originally
The application configuration pin with function of balancing air pressure can be avoided the formation of positive and negative air-pressure, improve medicine ordinance operation
Rate and reliability.
In some optional embodiments of the application, the hub interface is connect with external gas collector.In this way,
When drug is poisonous substance, can corresponding toxic gas be collected or be carried out by gas collector in time
Filter.Prevent leaking for toxic medicament.Meanwhile collection gas can also avoid pollution of the gas for some particular surroundings in bottle,
Improve safety.
Optionally, the gas collector can be filtering capsule.
In some optional embodiments of the application, 2 part of needle stand is using integrally formed.
In some optional embodiments of the application, the filter membrane uses hydrophobic permeable membrane.In this way, can collect ventilation,
Filtering is integrated, and is prevented solvent/medical fluid/aerosol etc. from flowing out from syringe needle side but is not hindered the circulation of air, is particularly suitable for
In the configuration process of toxic medicament, safety and the waste treatment effeciency of medicine ordinance are improved.
Referring to Fig.1 shown in a and Fig. 1 b, the cross-sectional structure schematic diagram of respectively two kinds different needle head structures.As seen from the figure,
The partition in syringe needle between two channels can be arranged in different location according to the actual needs so that in syringe needle two it is logical
The ratio of channel sized possessed by road or occupied channel size is different, also can thus change the effect of ventilation and logical liquid
Fruit.
It is second embodiment of the configuration pin provided by the utility model with function of balancing air pressure referring to shown in Fig. 2
Structural schematic diagram.The position that the lower-side hole 12 is cooperatively connected with hub interface is provided with vent grooves, the vent grooves
It is inside provided with filter membrane 3, and makes that there is gap between filter membrane 3 and needle body；The filter membrane 3 is used for flowing in venting channels
The gas for entering or flowing out is filtered；Wherein, the needle body is the overall structure that needle stand 2 and syringe needle 1 are formed.That is, by needle
The space enlargement of seat interface position is a vent grooves, so that filter membrane 3 can both be added in vent grooves, but also
So that the vent grooves part between filter membrane 3 and needle body has enough ventilation gaps.In this way, both it is convenient for the circulation of air,
The filter area that filter membrane can be increased again, ventilates more smooth.
Referring to shown in Fig. 3, the partial structural diagram of vent grooves is corresponded to for needle stand provided by the utility model.It can by figure
Know, vent grooves 22 are the groove structure bigger with a space of the mutual connection of lower-side hole, and vent grooves 22 are to rely on
What needle stand was formed.
It should be noted that property does not limit the concrete shape in hole to the application, round or ellipsoidal structure can be.
Referring to shown in Fig. 4, the partial structural diagram of filter membrane is corresponded to for needle stand provided by the utility model.The filtering
Film 3 has circular vent grooves around the outside for being set to the needle body between the filter membrane 3 and needle body.In this way, mistake
Filter membrane 3 can make full use of vent grooves, increase filter area.
Referring to Figure 5, the partial structural diagram of shield is corresponded to for needle stand provided by the utility model.The filter membrane
Outside be additionally provided with shield 4, for protecting filter membrane.Referring to shown in Fig. 3, the shield for mounting strap 4 is provided on needle stand
Cover locking groove 23.In this way, protecting filter membrane 3 not split because of deformation is larger during ventilation by shield 4
Line or rupture, and filter membrane 3 is given with pressure, guarantee filter membrane and needle stand 2 without departing from raising structural stability.
Further, the shield 4 is the drum type structure of side hollow out, for providing support and ventilation effect.In this way, not
It can only assist compressing filter membrane, guarantee the excellent sealing between filter membrane and needle stand；And hollow-out part can make air normal
Circulation, and other non-hollow-out parts then play preferable supporting role to filter membrane.
It is the third embodiment of the configuration pin provided by the utility model with function of balancing air pressure referring to shown in Fig. 6
Structural schematic diagram.Two-chamber channel in the syringe needle is formed using injection molding manner, for by inside core 5 syringe needle and
Venting channels and logical liquid channel are separated by core.In this way, can not only reduce cost, difficulty of processing, but also make technique
More rationally, it is more suitable for being widely applied.
It is the 4th embodiment of the configuration pin provided by the utility model with function of balancing air pressure referring to shown in Fig. 7
Structural schematic diagram.The needle body is designed using ovalization.Doing so can make processing technology more simple, reduce cost.Its
In, the core 5 can according to need the corresponding injection molding shape of adjustment, to form required venting channels 14 and logical liquid channel
15 and corresponding ventilation, liquid-passing hole.
Referring to shown in Fig. 8, for the partial sectional view of injection molding core provided by the utility model.Core can in syringe needle every
Separate out the channel of needs.Referring to shown in Fig. 9, for the structure of another injection molding core.Comparison diagram 8 and Fig. 9 are it is found that outside syringe needle
Shape is also possible to circular configuration, and the different channels formed inside core can according to need accordingly either ellipse
Adjustment.
In the another aspect of the application, a kind of configuration device is additionally provided, the configuration device includes above-mentioned any one
Configuration pin as described in the examples with function of balancing air pressure.Such as: the configuration device is the injection with the configuration pin
Device, the consumptive material with the configuration pin, the dispensing machine with the configuration pin, racking machine with the configuration pin etc..
Referring to Fig.1 shown in 0, Figure 11 and Figure 12, the respectively structural schematic diagram of configuration pin the other three embodiment.Figure
11a is the schematic diagram of another corresponding spike cross-section.
It is the 8th embodiment of the configuration pin provided by the utility model with function of balancing air pressure referring to Fig.1 shown in 3
Structural schematic diagram.On the one hand, according to a statistics about infusion reaction, the particle number in medical fluid is exceeded and is being infused
It is two key factors for causing infusion reaction that gas exclusion in journey Chinese medicine liquid, which is not thorough, the two factors account for all factors
40%.On the other hand, it makes up a prescription being mixed into of molecule in process air, rubber stopper clast, glass chip, undissolved powder medicine
Precipitating of floccule caused by object and medical fluid itself etc..Wherein, 4 μm or more of particle will cause human body different degrees of
Damage.In addition, configuration pin traditional in the configuration of tumour medicine and toxic medicament carry out configuration have toxic and pernicious gas,
It is ejected into configuration space for aerosol, liquid, can configuration personnel be caused with a certain amount of injury.Therefore removal infusion
Harmful substance in the process is particularly important, and in view of this, the application proposes improvement project.As shown in Figure 13, the configuration pin is also
Including harmful gas adsorbing filtration device 6；The pernicious gas adsorption filter 6 is set to the filter membrane 3 and connects with the needle stand
Between mouthful, the pernicious gas adsorption filter 6 is for absorbing pernicious gas.Wherein, it should be noted that nocuousness described in figure
Gas adsorbing filtration device 6 both can be set between filter membrane 3 and hub interface, can also directly adsorb the pernicious gas
The outlet of filter 6 belongs to this as hub interface as long as increasing for the absorption of the pernicious gas in gas passage 14
The design of application, for the structure specifically connected and position, the application is with no restriction.
Further, it is directed to the larger problem of the possible volume of the pernicious gas adsorption filter 6, the application also passes through increasing
Add support and seal member of the filter base 7 as the pernicious gas adsorption filter 6, not only can expand
The area contacted with pernicious gas greatly, and greatly improve the filter efficiency of pernicious gas.In addition, as seen from the figure, the application institute
Needle portion on syringe 8 as syringe can be set to by stating configuration pin, in this way, can realize nocuousness in injection process
The absorption of gas.
Preferably, the outlet port of the pernicious gas adsorption filter or the hub interface is also connected with harmful gas
Body collection device is not shown in figure, for collecting the pernicious gas of discharge.Wherein, the pernicious gas collection device can be
Any available collection containment device, mainly can carry out receiving collection for the pernicious gas of exclusion, then can remove to
Specific place carries out discarded or is recycled, and the application is not intended to limit the specific knot of the pernicious gas collection device
It is configured shape or the relationship with outlet connection.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under the thinking of the utility model, the above reality
Applying can also be combined between the technical characteristic in example or different embodiments, and there are the utility model as described above
Many other variations of different aspect, for simplicity, they are not provided in details.Therefore, all spirit in the utility model
Within principle, any omission, modification, equivalent replacement, improvement for being made etc. should be included in the protection scope of the utility model
Within.
The embodiments of the present invention are intended to cover fall into all such within the broad range of appended claims
Replacement, modifications and variations.Therefore, within the spirit and principle of the utility model, any omission for being made, modification, equivalent
Replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of configuration pin with function of balancing air pressure characterized by comprising syringe needle and needle stand；Setting in the syringe needle
There is the two-chamber channel for being respectively used to ventilation and logical liquid；It is provided in venting channels close to the upper-side hole of tip portion and close to needle stand
Partial lower-side hole leads in liquid channel and is provided with liquid-passing hole；The position that the needle stand and syringe needle are cooperatively connected is provided with and downside
The corresponding hub interface in hole is used for so that venting channels pass through hub interface and extraneous connection.
2. the configuration pin according to claim 1 with function of balancing air pressure, which is characterized in that the lower-side hole and needle stand
The position of Interference fit connection is provided with vent grooves, filter membrane is provided in the vent grooves, and make filter membrane and needle
There is gap between body；The filter membrane is for being filtered the gas flowed into or out in venting channels；Wherein, described
Needle body is the overall structure that needle stand and syringe needle are formed.
3. the configuration pin according to claim 2 with function of balancing air pressure, which is characterized in that further include that pernicious gas is inhaled
Attached filter；The pernicious gas adsorption filter is set between the filter membrane and the hub interface, the nocuousness gas
Body adsorption filter is for absorbing pernicious gas.
4. the configuration pin according to claim 2 with function of balancing air pressure, which is characterized in that the filter membrane is hydrophobic
Ventilated membrane.
5. the configuration pin according to claim 2 with function of balancing air pressure, which is characterized in that the filter membrane surround and sets
It is placed in the outside of the needle body, and there are circular vent grooves between the filter membrane and needle body.
6. the configuration pin according to claim 2 with function of balancing air pressure, which is characterized in that the outside of the filter membrane
It is additionally provided with shield, for protecting filter membrane.
7. the configuration pin according to claim 6 with function of balancing air pressure, which is characterized in that the shield is engraved for side
Empty drum type structure, for providing support and ventilation effect.
8. the configuration pin according to claim 1 with function of balancing air pressure, which is characterized in that the two-chamber in the syringe needle
Channel is formed using injection molding manner, for by inside core syringe needle and by core by venting channels and logical liquid channel every
It opens.
9. the configuration pin according to claim 1 with function of balancing air pressure, which is characterized in that needle body is set using ovalization
Meter.
10. a kind of configuration device, which is characterized in that the configuration device includes described in any one of claim 1-9 has
The configuration pin of function of balancing air pressure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601617 | 2017-05-26 | ||
| CN2017206016178 | 2017-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958787U true CN208958787U (en) | 2019-06-11 |
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ID=63898674
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820137107.4U Active CN208958787U (en) | 2017-05-26 | 2018-01-26 | A kind of configuration pin and configuration device with function of balancing air pressure |
| CN201810079440.9A Active CN108714107B (en) | 2017-05-26 | 2018-01-26 | Configuration needle and configuration device with air pressure balance function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810079440.9A Active CN108714107B (en) | 2017-05-26 | 2018-01-26 | Configuration needle and configuration device with air pressure balance function |
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| Country | Link |
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| CN (2) | CN208958787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714107A (en) * | 2017-05-26 | 2018-10-30 | 信远德怡医疗科技（北京）有限公司 | A kind of configuration pin and configuration device with function of balancing air pressure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111012663B (en) * | 2019-12-20 | 2022-07-15 | 山西医科大学 | Liquid medicine transfer adapter |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4743243A (en) * | 1984-01-03 | 1988-05-10 | Vaillancourt Vincent L | Needle with vent filter assembly |
| CN2077300U (en) * | 1990-12-03 | 1991-05-22 | 谢清毅 | Air filter of infusion/blood-transfusion bottle |
| CN2203882Y (en) * | 1994-11-22 | 1995-07-26 | 蒋文俊 | Disposable air filtration device for transfusion |
| CN2676935Y (en) * | 2004-01-12 | 2005-02-09 | 陈建强 | Cannula type dispensing needle |
| CN2832176Y (en) * | 2005-10-19 | 2006-11-01 | 王维文 | Injection drug feeder with improved structure |
| CN201042519Y (en) * | 2007-05-24 | 2008-04-02 | 山东新华安得医疗用品有限公司 | Disposable medicine dispensing needle |
| CN201135663Y (en) * | 2007-11-16 | 2008-10-22 | 陆盘中 | Disposable air filters for Infusion device |
| CN201127752Y (en) * | 2007-12-27 | 2008-10-08 | 山东新华安得医疗用品有限公司 | Disposable medicine dispensing device |
| CN201127753Y (en) * | 2007-12-27 | 2008-10-08 | 山东新华安得医疗用品有限公司 | Disposable overall plastic medicine dispensing device |
| CN101229400B (en) * | 2008-01-29 | 2010-06-09 | 浙江华福医用器材有限公司 | Medicine feeder |
| CN201543053U (en) * | 2009-10-26 | 2010-08-11 | 王云 | Injection-absorption needle for dosage |
| CN102415947A (en) * | 2011-09-29 | 2012-04-18 | 江苏苏云医疗器材有限公司 | Disposable air-filtering type medicine dissolving needle |
| CN203898856U (en) * | 2014-06-16 | 2014-10-29 | 湖北华世通潜龙药业有限公司 | Double-needle-tube syringe |
| CN208958787U (en) * | 2017-05-26 | 2019-06-11 | 信远德怡医疗科技（北京）有限公司 | A kind of configuration pin and configuration device with function of balancing air pressure |
-
2018
- 2018-01-26 CN CN201820137107.4U patent/CN208958787U/en active Active
- 2018-01-26 CN CN201810079440.9A patent/CN108714107B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714107A (en) * | 2017-05-26 | 2018-10-30 | 信远德怡医疗科技（北京）有限公司 | A kind of configuration pin and configuration device with function of balancing air pressure |
| CN108714107B (en) * | 2017-05-26 | 2024-02-09 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108714107A (en) | 2018-10-30 |
| CN108714107B (en) | 2024-02-09 |
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