CN220983304U

CN220983304U - Immunochromatography test dropper

Info

Publication number: CN220983304U
Application number: CN202322544544.1U
Authority: CN
Inventors: 缪丰东; 王春; 祝凯
Original assignee: Meian Innovative Medical Technology Wuxi Co ltd
Current assignee: Meian Innovative Medical Technology Wuxi Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-17
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses an immunochromatography test dropper, which comprises a pipe orifice and a dropper, wherein the pipe orifice is installed and connected to the top end of the dropper.

Description

Immunochromatography test dropper

Technical Field

The utility model relates to the technical field of immunochromatography test, in particular to an immunochromatography test dropper.

Background

The immunochromatography test technology is based on the principle of antigen-antibody specific binding, when antigen/antibody in a sample is combined with antigen/antibody marked by colloidal gold in the process of lateral movement, an antigen-antibody complex is formed, forward flow is continued, and antigen/antibody on NC membrane detection line is combined to form the complex, if the content of antigen/antibody in the sample is greater than detection sensitivity, whether the sample is positive or negative is determined by detecting the existence of the color of a line.

In the existing immunochromatography test, a plastic dropper is often used for sample dilution and sample addition, a liquid-transfering device is usually used for quantitatively sucking samples for the accuracy of experimental results, and the samples containing impurities are required to be preprocessed to avoid interference tests, so that the operation is complex, the sampler and the dropper are used independently, and the problem that the samples are polluted is increased intangibly.

Disclosure of utility model

The utility model aims to provide an immunochromatography test dropper, which aims to solve the problems that in the prior art, a plastic dropper is often used for sample dilution and sample loading in the existing immunochromatography test, a liquid-transfering device is usually used for quantitatively sucking samples, and samples containing impurities are required to be preprocessed to avoid interference test, so that the operation is complex, a sampler and the dropper are used independently, and sample staining is increased intangibly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an immunochromatography test burette, includes mouth of pipe and burette, mouth of pipe erection joint is on the top position of burette, the top outside terminal surface of burette is provided with the external screw thread, the outside of external screw thread is located and is provided with the cap on the burette, the orificial upper end is provided with the bottle lid, be provided with the connecting hole in the middle of the upper end of bottle lid, the inboard of connecting hole is located and is provided with extraction element on the bottle lid, the inboard of burette is provided with the diluent, the bottom end of cap is provided with filter unit, the outside a week of filter unit is provided with down the spiral cover.

The extraction assembly comprises a pulling ring, a connecting block, a pulling rod, a straw with scales and a piston, wherein the pulling ring is arranged at the top end of the connecting block, the straw with scales is arranged at the lower end of the connecting block, the pulling rod is arranged on the pulling ring and positioned on the inner side of the straw with scales, the piston is arranged at the end head of the bottom end of the pulling rod, and the straw with scales is connected to the bottle cap.

The filter assembly comprises a through hole, filter cotton and a threaded short pipe, wherein the through hole is formed in the inner side of the threaded short pipe, the filter cotton is arranged on the threaded short pipe and located on the inner side of the through hole, and the threaded short pipe is connected to the dropper.

Wherein, burette and filter component pass through the rotatory mode connection installation of screw thread, just filter component connects on the bottom position of diluent.

Wherein, the quantitative diluent is injected into the dropper in advance.

The extraction assembly is fixedly connected with the bottle cap, and the extraction assembly is connected to the inner side of the bottle cap.

In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:

1. According to the utility model, through the combination of the extraction assembly, the bottle cap, the dropper, the diluent and the filtering assembly, the device is integrally arranged, the quantitative suction of a sample can be realized, the operation is convenient, the accuracy of the result is improved, when the device is used, the pipe cap is opened, the pulling ring at the upper end of the connecting block is held by hand, the pulling rod is pulled to the bottommost end, the suction pipe with scales is ensured to be emptied, the bottle cap is further unscrewed, the bottle cap and the suction pipe with scales are an integral assembly, so that the whole is convenient to take, the suction pipe with scales is aligned with the sample, the pulling rod is lifted, under the action of the piston, the sample is adsorbed and extracted, after the extraction, the bottle cap is covered back onto the dropper, the bottle cap is screwed with an external thread, the pulling rod is pushed, the sample is injected into the dropper, the whole device is shaken, the sample and the diluent is uniformly diluted, after a period of time, the lower rotating cap is opened, the upper part of the dropper is pressed by a finger, the liquid flows out through the through-hole at the inner side of the thread short pipe, and when the inner side of the thread short pipe is provided with the filter cotton, interference and impurities in the liquid can be trapped, and the impurities in the liquid can be avoided.

2. According to the utility model, through the structure of the filter assembly, interference substances and impurities in liquid can be trapped when the filter assembly is used, the influence is avoided, when the filter assembly is installed, firstly, the filter cotton is filled into the through hole at the inner side of the threaded short pipe, then the threaded short pipe is rotated to be rotationally connected to the dropper, so that the filter assembly is more convenient to install in a threaded rotation mode, and is convenient to rotationally connect with the lower spiral cover through the threaded short pipe for sealing, so that cross contamination after the filter assembly is discarded is avoided, and when the filter assembly is used, the filter cotton is arranged at the inner side of the threaded short pipe, so that the interference substances and impurities in the liquid can be trapped, and the influence is avoided.

Drawings

FIG. 1 is a schematic diagram of an exploded perspective view of an immunochromatographic test dropper according to the present utility model;

FIG. 2 is an enlarged structural schematic diagram of an area A of the immunochromatographic test dropper of the present utility model;

FIG. 3 is a schematic diagram of an extraction assembly of an immunochromatographic test dropper according to the present utility model;

FIG. 4 is a schematic diagram of a filter assembly of an immunochromatographic test dropper according to the present utility model.

In the figure: 1. a lower rotary cover; 2. an extraction assembly; 21. pulling out the ring; 22. a connecting block; 23. a pulling rod; 24. straw with graduation; 25. a piston; 3. a bottle cap; 4. a tube cap; 5. a pipe orifice; 6. an external thread; 7. a dropper; 8. a diluent; 9. a filter assembly; 91. a through hole; 92. filtering cotton; 93. a threaded short pipe; 10. and a connection hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Example 1

Referring to figures 1, 2 and 3, an immunochromatographic test dropper comprises a nozzle 5 and a dropper 7, wherein the nozzle 5 is installed and connected at the top end position of the dropper 7, the outer end face of the outer side of the top end of the dropper 7 is provided with an external thread 6, the outer side of the external thread 6 is positioned on the dropper 7 and provided with a pipe cap 4, the upper end of the nozzle 5 is provided with a bottle cap 3, the middle of the upper end of the bottle cap 3 is provided with a connecting hole 10, the inner side of the connecting hole 10 is positioned on the bottle cap 3 and provided with an extraction assembly 2, the inner side of the dropper 7 is provided with a diluent 8, the bottom end of the pipe cap 4 is provided with a filter assembly 9, the outer side of the filter assembly 9 is provided with a lower rotary cap 1, before use, a quantitative diluent 8 is injected into the dropper 7 in advance for diluting samples, when the dropper is used, the pipe cap 4 is opened, a pulling ring 21 is held by hand, a pulling rod 23 is pulled to the bottommost end, and the suction rod 24 is ensured to be emptied with a scale 24, further unscrewing the bottle cap 3, and the bottle cap 3 and the graduated suction tube 24 are an integral component, so that the whole bottle cap is convenient to take, then aligning the graduated suction tube 24 with a sample, and lifting the pulling rod 23, under the action of the piston 25, so that the sample is adsorbed and extracted, and during extraction, the graduated suction tube 24 is printed with graduations, so that the sample can be quantitatively extracted, after extraction, the bottle cap 3 is covered back onto the dropper 7, the bottle cap 3 is screwed with the external thread 6, then the pulling rod 23 is pushed, the sample is injected into the dropper 7, then the whole device is shaken, the sample and the diluent 8 are evenly mixed and diluted, after a period of time, the lower rotating cap 1 is opened, the upper part of the dropper 7 is pressed by a finger, so that the liquid flows out through the through hole 91 at the inner side of the threaded short tube 93, and when the liquid flows out, the inner side of the threaded short tube 93 is provided with the filter cotton 92, so that interference and impurities in the liquid can be intercepted, the influence is avoided, and after the use, the pipe cap 4 is screwed with the lower spiral cover 1 to be discarded, so that cross contamination is avoided.

In the utility model, an extraction component 2 is fixedly connected with a bottle cap 3, the extraction component 2 is connected at the inner side of the bottle cap 3, the extraction component 2 comprises a pull ring 21, a connecting block 22, a pull rod 23, a straw 24 with scales and a piston 25, the pull ring 21 is arranged at the top end of the connecting block 22, the straw 24 with scales is arranged at the lower end of the connecting block 22, the pull rod 23 is arranged on the pull ring 21 at the inner side of the straw 24 with scales, the piston 25 is arranged at the end of the bottom end of the pull rod 23, the straw 24 with scales is connected with the bottle cap 3, when in use, the pipe cap 4 is opened, the pull ring 21 at the upper end of the connecting block 22 is manually held, the pull rod 23 is pulled to the bottommost end, the straw 24 with scales is ensured to be emptied, the bottle cap 3 is further unscrewed, the bottle cap 3 and the graduated straw 24 are an integral component, so that the whole is convenient to take, the graduated straw 24 is aligned with a sample, the pulling rod 23 is lifted, under the action of the piston 25, so that the sample is adsorbed and extracted, after the sample is extracted, the bottle cap 3 is covered back onto the dropper 7, the bottle cap 3 is screwed and connected with the external thread 6, the pulling rod 23 is pushed, the sample is injected into the dropper 7, the whole device is shaken, the sample and the diluent 8 are uniformly mixed and diluted, after a period of time, the lower screw cap 1 is opened, the upper part of the dropper 7 is pressed by a finger, so that liquid flows out through the through hole 91 at the inner side of the threaded short tube 93, and when the liquid flows out, the filter cotton 92 is arranged at the inner side of the threaded short tube 93, so that interference objects and impurities in the liquid can be intercepted, and influence is avoided.

In the utility model, a quantitative diluent 8 is injected into the dropper 7 in advance, and before the dropper 7 is used, the quantitative diluent 8 is injected into the dropper 7 in advance for diluting a sample.

Working principle: before use, pour into quantitative diluent 8 in the burette 7 in advance for to the dilution action of sample, when using, open the pipe cap 4, handheld pull ring 21, dial pull rod 23 to the bottom, ensure to take graduation straw 24 evacuation, further unscrew bottle lid 3, and bottle lid 3 and graduation straw 24 are whole subassembly, thereby make things convenient for whole take, afterwards will take graduation straw 24 to the sample, and pull rod 23 is promoted, under the effect of piston 25 in order to adsorb the extraction to the sample, and during the extraction, because of having the graduation on the graduation straw 24, thereby can quantitatively extract the sample, and after the extraction, cover bottle lid 3 back onto burette 7, make bottle lid 3 and external screw thread 6 screwing be connected, afterwards promote pull rod 23, pour the sample into burette 7, then shake the device is whole, make sample and diluent 8 mixing evenly and diluting, after a period, open down spiral cover 1, through the finger press 7 top, make liquid flow through the inboard through screw 93 through hole 91, and when flowing out, the inboard of screw 93 is equipped with the filter cotton 92, thereby can be used for carrying out cross-over the impurity to the liquid in the nipple 93, avoid the cross-over cap is used to be prevented from being abandoned with the pipe cap 1.

Example two

Referring to fig. 1 and 4, in this embodiment, compared with the first embodiment, the dropper 7 and the filter assembly 9 are connected and installed in a threaded rotation manner, and the filter assembly 9 is connected to the bottom end of the diluent 8, the filter assembly 9 includes a through hole 91, a filter cotton 92 and a threaded short tube 93, the through hole 91 is disposed inside the threaded short tube 93, the filter cotton 92 is disposed inside the through hole 91 on the threaded short tube 93, and the threaded short tube 93 is connected to the dropper 7.

Working principle: when installing filter component 9, at first, pack the filter pulp 92 into the inboard through-hole 91 of screw thread nozzle stub 93, afterwards rotate screw thread nozzle stub 93, make its swivelling joint on burette 7, connect the installation through the mode of screw thread rotation like this, it is more convenient in the installation, and be convenient for carry out swivelling joint with lower spiral cover 1 through screw thread nozzle stub 93, be used for sealedly, avoid using and discard the back and cause cross contamination, and during the use, be equipped with filter pulp 92 through screw thread nozzle stub 93 inboard, thereby can hold back interference article and impurity in the liquid, avoid producing the influence.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The immunochromatography test dropper comprises a nozzle (5) and a dropper (7), and is characterized in that: the utility model discloses a dropper, including mouth of pipe (5), nozzle (10), filter element (9), connecting hole (10) are provided with in the middle of the upper end of mouth of pipe (5), the inboard of connecting hole (10) is located and is provided with extraction element (2) on bottle lid (3), the inboard of dropper (7) is provided with diluent (8), the bottom end department of filter element (9) is provided with filter element (9) on the outer side of outer screw (6) is located dropper (7), the outside a week of filter element (9) is provided with down spiral cover (1).

2. An immunochromatographic test dropper as defined in claim 1, wherein: the extraction component (2) comprises a pulling ring (21), a connecting block (22), a pulling rod (23), a straw with scales (24) and a piston (25), wherein the pulling ring (21) is arranged at the top end of the connecting block (22), the straw with scales (24) is arranged at the lower end of the connecting block (22), the pulling rod (23) is arranged on the pulling ring (21) and positioned on the inner side of the straw with scales (24), the piston (25) is arranged at the end head of the bottom end of the pulling rod (23), and the straw with scales (24) is connected to the bottle cap (3).

3. An immunochromatographic test dropper as defined in claim 1, wherein: the filter assembly (9) comprises a through hole (91), filter cotton (92) and a threaded short tube (93), wherein the through hole (91) is formed in the inner side of the threaded short tube (93), the filter cotton (92) is arranged on the threaded short tube (93) on the inner side of the through hole (91), and the threaded short tube (93) is connected to the dropper (7).

4. An immunochromatographic test dropper as defined in claim 1, wherein: the dropper (7) and the filter component (9) are connected and installed in a threaded rotation mode, and the filter component (9) is connected to the bottom end position of the diluent (8).

5. An immunochromatographic test dropper as defined in claim 1, wherein: the dropper (7) is pre-filled with a fixed amount of diluent (8).

6. An immunochromatographic test dropper as defined in claim 1, wherein: the extraction component (2) is fixedly connected with the bottle cap (3), and the extraction component (2) is connected to the inner side of the bottle cap (3).