CN207351745U - A kind of prepackage type weight feed device - Google Patents
A kind of prepackage type weight feed device Download PDFInfo
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- CN207351745U CN207351745U CN201721280611.1U CN201721280611U CN207351745U CN 207351745 U CN207351745 U CN 207351745U CN 201721280611 U CN201721280611 U CN 201721280611U CN 207351745 U CN207351745 U CN 207351745U
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- plunger
- injection tube
- feed device
- tamper
- type weight
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Abstract
The utility model discloses a kind of prepackage type weight feed device, including injection tube and plunger, the plunger is movably set in the injection tube, the liquid outlet of the injection tube is provided with tamper, formed between the tamper and the plunger and behave affectedly in advance, prepackage intracavitary preloaded with liquid and gas, the plunger are provided with close to one end of the tamper and disclose out thing；Promote and intracavity gas are pre-installed described in ram compression, and disclose out thing described in drive and break or disclose out the tamper；The utility model has the advantages of simple structure, can disposably realize the quantitative filling of one or more component agents, can make that inspection is more convenient, reagent pipetting volume accuracy of measurement improves, and is truly realized real-time test.
Description
Technical field
The utility model belongs to medical science, more particularly to a kind of prepackage type weight feed device.
Background technology
Immune diagnostic reagent is analyzed at present, enumerates immunoturbidimetry analytic approach, reagent includes two single components, enumerates：
There is the detergent of haemocyte cracking and strengthen the agglutinant of aggegation effect, enumerate：Polyethylene glycol (PEG) and salt, this
Outside, there are some reagents being made of antibody and preservative, reagent is unstable, it is necessary to use after being usually mixed with two kinds of components
It is preceding to mix to reach optimum efficiency.The limitation of above experiment condition is limited to, immunoturbidimetry reagent is difficult the scene inspection immediately of application
Survey (POCT)；
Enumerating immunoturbidimetry reagent method detection reagent children detection needs to gather peripheral blood, and reagent detection needs siphon to take a blood sample
Pipe, siphon heparin tube are injected bar, reagent 1, reagent 2, reagent cup, two kinds of different accuracy pipettors, suction pipette heads, and are needed
The inspection of inspection section office is sent in clinical department after having gathered sample, entirely goes out the survey report time at 40 minutes or so, particularly exists
Emergency treatment, basic hospital are difficult popularization, cumbersome, and need transfer sample big to different department, operation artifical influence factor；
Traditional typical agents testing process：Siphon sampling pipe collecting sample → sample, which is transferred to, examines section office → will inject bar
It is inserted into siphon sampling pipe → opening reagent cup lid and sample is pushed into reagent cup → adjusting pipettor to 300uL →-installation disposably
→ replacement suction pipette head → adjusting is added in reaction cup with pipettor suction 300uL reagents 1 after liquid-transfering sucker → opening bottle cap
Pipettor is added after installing disposable liquid-transfering sucker → opening bottle cap to 100uL →-with pipettor suction 100uL reagents 2 to react
Cup in → mix after be put into, whole process need 40 minutes or so.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model provides a kind of prepackage type and quantitatively supplies
To device, the quantitative filling of one or more component agents can be disposably realized, can make that inspection is more convenient, reagent pipetting volume amount essence
Degree improves, and is truly realized real-time test.
Technical solution：To achieve the above object, a kind of prepackage type weight feed device provided by the utility model, including note
Shooting cylinder and plunger, the plunger are movably set in the injection tube, and the liquid outlet of the injection tube is provided with tamper, described
Formed between tamper and the plunger and behave affectedly in advance, pre-install intracavitary preloaded with liquid and gas, the plunger is close to the tamper
One end be provided with and disclose out thing；Plunger is promoted, intracavity gas are pre-installed described in ram compression, so as to be disclosed out described in plunger displacement drive
The tamper is broken or disclosed out to thing, continues to press on plunger, preloaded with liquid injection reaction cup.
Further, under the injection tube upright state, the pre- middle gas thickness of behaveing affectedly is a, the point of the pointed column
End and the spacing of the tamper are that b, a and b meet a ＞ b.
Further, under the injection tube upright state, the pre- middle gas thickness of behaveing affectedly is a, the point of the pointed column
End and the spacing of the tamper are b, and the pre- middle gas of behaveing affectedly is c by the thickness after ram compression, meets a-c ＞ b.
Further, the plunger, which connects, discloses out thing, or plunger is integrated with disclosing out thing.
Further, the thing of disclosing out is pointed rod structure, and the tip of the pointed column is set with the tamper spacing.
Further, the cross section of the pointed column is cross, and the pointed column is gradually thicker from plunger end to tip.
Further, the thing offside of disclosing out of the plunger is provided with push rod, and push handle is provided with the push rod.
Further, the single or multiple injection tubes form injecting unit；
Wherein, the injecting unit being made of multiple injection tubes includes at least the first injection tube and the second injection tube；Institute
It is integral side by side or be connected in parallel to each other to state the first injection tube and the second injection tube；Wherein each injection tube does not connect mutually, respectively
The push handle of the injection tube is connected as a single entity or independently of each other.
Further, reaction cup is further included, the outlet end of the injecting unit is corresponding with the liquid feeding end of the reaction cup to be set
Put；Sampler is further included, the sampling end of the sampler is stretched into the reaction cup.
Further, the reaction cup is detachably connected with the injecting unit；The bottom of a cup conducting of the reaction cup is set
There is detection window, the detection window is less than the transparent vessel of the reaction cup cross-sectional area for cross-sectional area.
Further, the inner wall of the injection tube is at least provided with a circle convex locating ring, and the plunger is in locating ring
During place, there is spacing between the tip of the pointed column and the tamper.
Further, or intracavitary powder filler solid and the gas, or the prepackage intracavitary pre-installed is filled with block solid
Body and gas.
Beneficial effect：The utility model has the advantages of simple structure, can disposably realize that the quantitative of one or more component agents adds
Note, can make that inspection is more convenient, reagent pipetting volume accuracy of measurement improves, and be truly realized real-time test；At the same time by traditional complicated reagent
Detecting step is condensed into three steps, and traditional detection time of more than 40 minutes is shortened to 2 minutes or so, if the program can be real
Existing effect is promoted, and the operational efficiency of medical science can be greatly improved.
Brief description of the drawings
Attached drawing 1 is the utility model overall structure diagram；
Attached drawing 2 is two injection tube structure diagrams；
Attached drawing 3 is plunger, push rod and pointed rod structure schematic diagram；
Attached drawing 4 is reaction cup structure diagram；
Attached drawing 5 is single injection tube structure diagram.
Embodiment
In the present embodiment, innovation and creation are used for medical sample detection field, the utility model is made below in conjunction with the accompanying drawings
Further description.
As shown in attached drawing 1 to 4, this programme includes injecting unit and reaction cup 7, the outlet end of the injecting unit with it is described
The liquid feeding end of reaction cup 7 is correspondingly arranged, and the reagent in injecting unit can be flow in reaction cup 7；Sampler 11 is further included, it is described to adopt
Sample device 11 connects the outlet end for being arranged on the injecting unit, while the reaction cup 7 is detachably connected with the injecting unit,
In the present embodiment：The outlet end outer ring of injecting unit is provided with closure gasket groove 16, and the rim of a cup 10 of 7 upper end of reaction cup is placed on
On closure gasket groove 16, the reagent that not only improves dismounting and effectively prevent in reaction cup 7 is spilt；Reaction cup 7 and the injection are single
Under first confined state, the sampling end 8 of sampler 11 is stretched into the reaction cup 7, easy to examination of the sample in reaction cup 7 of collection
Agent is reacted, and is removed 7 post-sampling device 11 of reaction cup and is followed injecting unit, easy to the sampling and installation of sampler 11.
The bottom of a cup conduction detection window 9 of the reaction cup 7, the detection window 9 are transversal less than the reaction cup 7 for cross-sectional area
The transparent vessel of area, reaction cup is also the transparent bodies such as machine glass, high transparency plastics in the present embodiment, and detect window 9 with it is described
Reaction cup 7 forms conjoined structure；Detection window 9 can intuitively judge that the mixing uniformity of reagent and sample and preliminary judgement are reacted
Effect, such as：Idiosyncrasy occurs for specific analyte after sample and 2 hybrid reaction of reagent 1 and reagent, aggegation makes solution
Turbidity increase, optical instrument can be by causing the scattering of light to change after detecting window 9, and the change of light scattering can be obtained by instrument
Measurement, meanwhile, amount of light scatter is directly proportional to the concentration of analyte in sample.
The injecting unit includes single injection tube or injection tube group；The injection tube group includes at least the first injection tube 14
With the second injection tube 13；First injection tube, 14 and second injection tube 13 is integral side by side；Activity is set in each injection tube
Plunger 3 is equipped with, wherein each injection tube does not connect mutually；In the present embodiment, the material such as preferred silica gel of 3 material of plunger, to improve
Sealing performance, plunger 3 are interference fitted with injection tube inner wall, and tamper 6, tamper 6 are provided with the liquid outlet of the injection tube
Outlet is blocked, tamper 6 can increase or decrease size according to liquid outlet aperture, and plug-hole thing material is not particularly limited, but necessary
Plug-hole thing can be disclosed open or broken with pointed column, and outlet can increase or decrease bore as needed, typical tamper 6 in the present embodiment
Enumerate：The modes such as the sealing-plugs of the materials such as plastics, glass, resin, ball sealer, or the plastics that the mode such as heat-sealing, glue bond is sealed
The materials such as film, aluminium-foil paper；Formed between the tamper 6 and the plunger 3 it is pre- behave affectedly 30, behave affectedly in advance in 30 preloaded with liquid and
Gas, the plunger 3 are provided with close to one end of the tamper 6 and disclose out thing；Plunger 3 is promoted, plunger 3 compresses described pre- behave affectedly
Gas in 30, so that disclosing out thing described in 3 displacement of plunger drive breaks or disclose out the tamper 6, continues to press on plunger 3, pre-installs
Liquid injects reaction cup；Plunger 3 described in the present embodiment, which connects, discloses out thing, or plunger 3 is integrated with disclosing out thing.
The thing offside of disclosing out of each plunger 3 is provided with push rod 2, and push handle 1 is provided with the push rod 2；Each injection
The push handle 1 of cylinder is connected as a single entity or independently of each other, it is necessary to which the requirement for having sequencing supplies in the case of specific plurality of reagents
Into reaction cup 7, mutually independent push handle 1 can realize the requirement.
The thing of disclosing out is pointed 4 structure of column, and the tip 5 of the pointed column 4 is set with 6 spacing of tamper；It is described
The cross section of pointed column 4 is cross, and the pointed column 4 is gradually thicker from 3 end of plunger to tip 5, using star section and
Gradually become coarse-texture and be conducive to reagent inflow reaction cup.
Pre- behave affectedly in 30 is filled with liquids and gases or at the same time powder filler solid and gas or fills at the same time at the same time
There are blocks of solid and gas；In the present embodiment：It is described pre- to behave affectedly in 30 while be filled with reagent and gas；The injection tube is erect
Under state, the pre- gas thickness in 30 of behaveing affectedly is a, and the tip 5 of the pointed column 4 and the spacing of the tamper 6 are b, a
Meet a ＞ b with b, since material and thrust limit, gas compression ratio cannot infinitely increase, therefore the pre- gas in 30 of behaveing affectedly
It is c by 3 compressed thickness of plunger, should also meets a-c ＞ b, which ensure that the stroke energy at the tip 5 of pointed column 4
Reach tamper 6；The gas that gas in the present embodiment is stablized for chemical property such as air, nitrogen or inert gases, ensures
Gas is not reacted with liquid reagent.
The inner wall of the injection tube encloses convex locating ring 15 at least provided with one, when the plunger 3 is at locating ring 15,
There is spacing between the tip 5 of the pointed column 4 and the tamper 6；The inner wall cross section of the injection tube is circular, oval
Shape or polygon；Locating ring 15 is used as safe snap ring, for positioning and locking the initial position of plunger 3 and push rod 2.
The sampler 11 is quantitative capillary heparin tube or quantitative blood sampling stick；Capillary on the quantitative capillary heparin tube
Hold as sampling end 8, the fixation styletable on quantitative capillary heparin tube is connecting pin；Sampling circle end on the sampling rod is sampling end
8, the other end is connecting pin；Wherein sampling circle is circular or oval sampling structure, and samples and be provided with notch or non-notch on circle；
The connecting pin of the quantitative capillary heparin tube or quantitative blood sampling stick is installed on the scene 2 of the first injection tube 14 and the second injection tube 13
In mounting hole 12 between liquid mouth.
The method explanation of the device, specifically comprises the following steps：
Step 1, reaction cup 7 is pulled down from injecting unit, reaction cup 7 is reinstalled after 11 collecting sample of sampler；
Step 2, while push rod 2 on the first injection tube 14 and the second injection tube 13, the first injection tube 14 are progressively pressed or
The gas behaveing affectedly with pre- in the second injection tube 13 in 30 is compressed, until two pointed columns 4 poke respectively two liquid outlets go out it is stifled
Plug thing 6, the second reagent in the first reagent and the second injection tube 13 in the first injection tube 14 is under the action of compressed gas point
Do not spray, and flow in reaction cup 7 from two liquid outlets；
Step 3, observation detects window 9 and is put into instrument detection after mixing reaction cup 7.
Supplementary notes：When the injection tube of multiple disjunctors is injected at the same time, can according to pre- 30 amount of liquid of behaveing affectedly, increase or decrease
The tip 5 of pointed column 4 and the distance of tamper 6, or the pre- gas flow behaveing affectedly in 30 of control, so as to reach servicing fluids as needed
The sequencing that body comes out；It is same it is pre- behave affectedly in 30, gas is more, liquid is fewer, and the tip 5 of pointed column 4 can be from blocking
Thing is more remote；Under specific circumstances, the reagent behaveing affectedly in advance in 30 can be adapted for fraction solids, and solid requirement is less than in liquid outlet
Footpath, pointed firmly 4 to promote solids, tamper is broken or disclosed out to solid, and solid comes out from plug-hole thing.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (12)
- A kind of 1. prepackage type weight feed device, it is characterised in that：Including injection tube and plunger (3), plunger (3) activity is set It is placed in the injection tube, the liquid outlet of the injection tube is provided with tamper (6), the tamper (6) and the plunger (3) Between formed and behave affectedly in advance (30), behave affectedly in advance (30) interior preloaded with liquid and gas, the plunger (3) is close to the tamper (6) One end, which is provided with, discloses out thing.
- A kind of 2. prepackage type weight feed device according to claim 1, it is characterised in that：The thing of disclosing out is pointed column (4) structure, tip (5) and the tamper (6) spacing of the pointed column (4) are set.
- A kind of 3. prepackage type weight feed device according to claim 2, it is characterised in that：The injection tube upright state Under, the pre- gas thickness in (30) of behaveing affectedly is a, and the tip (5) of the pointed column (4) and the spacing of the tamper (6) are B, a and b meet a ＞ b.
- A kind of 4. prepackage type weight feed device according to claim 3, it is characterised in that：The injection tube upright state Under, the pre- gas thickness in (30) of behaveing affectedly is a, and the tip (5) of the pointed column (4) and the spacing of the tamper (6) are B, the pre- gas of behaveing affectedly in (30) are c by plunger (3) compressed thickness, meet a-c ＞ b.
- A kind of 5. prepackage type weight feed device according to claim 1, it is characterised in that：Plunger (3) connection is disclosed Open thing, or plunger (3) is integrated with disclosing out thing.
- A kind of 6. prepackage type weight feed device according to claim 4, it is characterised in that：The horizontal stroke of the pointed column (4) Section is cross, and the pointed column (4) is held gradually thicker to tip (5) from plunger (3).
- A kind of 7. prepackage type weight feed device according to claim 1, it is characterised in that：Plunger (3) are disclosed out Thing offside is provided with push rod (2), and push handle (1) is provided with the push rod (2).
- A kind of 8. prepackage type weight feed device according to claim 7, it is characterised in that：The single or multiple injections Cylinder forms injecting unit；Wherein, the injecting unit being made of multiple injection tubes includes at least the first injection tube (14) and the second injection tube (13)；First injection tube (14) and the second injection tube (13) integrally or are connected in parallel to each other side by side；Wherein each note Shooting cylinder does not connect mutually, and the push handle (1) of each injection tube is connected as a single entity or independently of each other.
- A kind of 9. prepackage type weight feed device according to claim 8, it is characterised in that：Further include reaction cup (7), institute The outlet end and the liquid feeding end of the reaction cup (7) for stating injecting unit are correspondingly arranged；Further include sampler (11), the sampler (11) sampling end (8) is stretched into the reaction cup (7).
- A kind of 10. prepackage type weight feed device according to claim 9, it is characterised in that：The reaction cup (7) and institute Injecting unit is stated to be detachably connected；The bottom of a cup conducting of the reaction cup (7) is provided with detection window (9), and the detection window (9) is horizontal stroke Sectional area is less than the transparent vessel of the reaction cup (7) cross-sectional area.
- A kind of 11. prepackage type weight feed device according to claim 2, it is characterised in that：The inner wall of the injection tube At least provided with a circle convex locating ring, the plunger (3) is at locating ring (15) place, the tip (5) of the pointed column (4) There is spacing between the tamper (6).
- A kind of 12. prepackage type weight feed device according to claim 1, it is characterised in that：Or described pre- it behave affectedly (30) Interior powder filler solid and gas, or pre- behave affectedly in (30) are filled with blocks of solid and gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280611.1U CN207351745U (en) | 2017-09-30 | 2017-09-30 | A kind of prepackage type weight feed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280611.1U CN207351745U (en) | 2017-09-30 | 2017-09-30 | A kind of prepackage type weight feed device |
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| Publication Number | Publication Date |
|---|---|
| CN207351745U true CN207351745U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721280611.1U Active CN207351745U (en) | 2017-09-30 | 2017-09-30 | A kind of prepackage type weight feed device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576809A (en) * | 2017-09-30 | 2018-01-12 | 江苏宝卫士生物科技有限公司 | A kind of real-time test device |
| CN113176107A (en) * | 2020-06-04 | 2021-07-27 | 上海之江生物科技股份有限公司 | Sample collection and homogenization pretreatment device |
-
2017
- 2017-09-30 CN CN201721280611.1U patent/CN207351745U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576809A (en) * | 2017-09-30 | 2018-01-12 | 江苏宝卫士生物科技有限公司 | A kind of real-time test device |
| CN107576809B (en) * | 2017-09-30 | 2024-07-23 | 江苏宝卫士生物科技有限公司 | Instant inspection device |
| CN113176107A (en) * | 2020-06-04 | 2021-07-27 | 上海之江生物科技股份有限公司 | Sample collection and homogenization pretreatment device |
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