CN217084997U - Immunochromatographic detection card containing diluent - Google Patents

Abstract

The utility model provides an immunochromatography detection card containing diluent, relating to the technical field of in vitro diagnosis. The immunochromatography detection card containing the diluent comprises a shell bottom, wherein a shell cover is clamped on the shell bottom, a sample adding hole and an observation window are respectively arranged on the shell cover, and a limiting piece for placing a test strip is arranged on the shell bottom; a dilution unit is arranged on the shell cover which is positioned at the sample adding hole and is close to the bottom side of the shell; a drying unit is disposed on the housing cover adjacent to the bottom side of the housing. The diluent is stored in the diluting unit, so that the problems of inconvenience, complex operation, repeated use, easy pollution and the like caused by carrying the diluent independently are avoided. The drying unit sets up in the cap, makes dilution unit, drying unit and test paper strip form a whole between cap and shell bottom, makes the drier play the moisture absorption effect at the testing process to also can avoid appearing the test paper strip moisture absorption under humid condition and lead to the phenomenon that the testing result is high on the high side, promoted the accurate nature of testing result.

Description

Immunochromatographic detection card containing diluent

Technical Field

The utility model relates to an external diagnostic technique field especially relates to an immunochromatography detects card that contains diluent.

Background

In vitro diagnosis refers to the detection of a sample to be detected from a human body to obtain clinical diagnostic information outside the human body. Wherein, the sample to be detected of human body comprises blood, body fluid, tissue and the like.

While in-vitro diagnostic reagents are rapidly developed, various diagnostic items are limited by various factors such as the concentration of the diagnostic reagents or sampling conditions, and the like, and cannot be directly detected, so that a certain diluent needs to be prepared. In the detection process, the project needing the diluent faces the problems of inconvenient carrying of the diluent, complex operation, easy pollution caused by repeated use and the like. The detection result of the chromatographic detection card in the prior art is influenced by the humidity in the environment, and the desiccant and the detection card are usually placed separately, so that the desiccant cannot play a good role in the detection process. Therefore, the phenomenon that the chromatographic test strip absorbs moisture under a humid condition to cause a higher determination result may occur, and the detection result is inaccurate.

Therefore, the above technical problems need to be further solved.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at provides an immunochromatography detects card that contains diluent, has avoided carrying inconvenience, the operation complicacy that the diluent brought alone, used repeatedly easily to pollute the scheduling problem. Meanwhile, the moisture absorption effect in the detection process is solved, the phenomenon that the test strip absorbs moisture to cause a higher determination result under a humid condition can be avoided, and the accuracy of the detection result is improved.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solution:

the utility model provides an immunochromatography detection card containing diluent, which comprises a shell bottom, wherein a shell cover is clamped on the shell bottom;

the shell cover is provided with a sample adding hole and an observation window respectively, and the shell bottom is provided with a limiting piece for placing a test strip;

a dilution unit is arranged on the shell cover which is positioned at the sample adding hole and is close to the bottom side of the shell;

a drying unit is disposed on the housing cover adjacent to the bottom side of the housing.

In some modified embodiments of the first aspect of the present invention, the dilution unit includes:

a dilution tank disposed on the housing cover adjacent the bottom side of the housing;

a sealing cover arranged on the surface of the sample adding hole on the shell cover far away from the bottom side of the shell;

and a dilution space for containing the diluent and mixing the diluent with a sample to be detected of a human body is formed between the diluent tank and the sealing cover.

Further, the dilution tank includes:

a first notch disposed on the housing cover at the sample application aperture proximate the bottom side of the housing;

the second notch is arranged between the shell bottom and the shell cover;

a slot wall disposed between the first slot opening and the second slot opening;

and the sealing unit is arranged on the second notch and can be drawn out.

Further, the diameter of the first notch is larger than that of the second notch, so that the dilution liquid groove is formed in a funnel shape.

Further, the diameter of the second notch is larger than 2 mm.

Further, the sealing unit includes:

the sealing ball is connected to the second notch and seals the second notch;

one end of the pulling piece is connected to the sealing ball, and the other end of the pulling piece extends out of the shell cover.

Furthermore, the shell cover is also provided with a drawing hole for the drawing piece to extend out.

Further, the drying unit includes:

a drying box disposed on the case cover adjacent to the bottom side of the case and containing a drying agent therein;

and the moisture absorption holes are uniformly formed on the drying box close to the bottom side of the shell.

Further, the test strip comprises:

the nitrocellulose membrane is arranged in the limiting piece;

a sample pad disposed on the nitrocellulose membrane proximate to the second notch;

and the absorbent paper is placed on the nitrocellulose membrane close to the moisture absorption hole.

Furthermore, an information code area for placing the query detection information code is further arranged on the surface of the shell cover.

Compared with the prior art, the utility model discloses the immunochromatography that contains the diluent that the first aspect provides detects the card, stores in diluting the unit through the diluent, has avoided carrying inconvenience, the operation complicacy that the diluent brought alone, used repeatedly easily pollutes the scheduling problem. Meanwhile, the drying unit is arranged in the shell cover, so that the drying unit and the test strip are simultaneously distributed between the shell cover and the shell bottom, the dilution unit, the drying unit and the test strip form a whole between the shell cover and the shell bottom, the drying agent plays a role in moisture absorption in the detection process, the phenomenon that the test strip absorbs moisture to cause the measurement result to be higher can be avoided under the humid condition, and the accuracy of the detection result is improved.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. The several embodiments of the present invention are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 schematically shows a schematic view of the outer surface of the cover;

FIG. 2 schematically illustrates an inner surface of the housing cover;

FIG. 3 schematically illustrates an inner surface view of a shell bottom;

FIG. 4 schematically shows a schematic representation of a test strip;

the reference numbers illustrate:

1. a shell cover; 11. a sample application hole; 12. an information code region; 13. an observation window; 14. a clamping column;

2. a dilution unit; 21. a first notch; 22. a trench wall; 23. a second notch; 24. a drawer; 25. a sealing ball;

3. a drying unit; 31. drying the box; 32. a moisture-absorbing aperture;

4. a shell bottom; 41. a limiting member; 42. a clamping hole;

5. a test strip; 51. a sample pad; 52. a nitrocellulose membrane; 53. absorbent paper.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It should be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be 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. The terms "connected" and "coupled" are used broadly and may include, for example, a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. 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. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The utility model provides an embodiment combines fig. 1, fig. 2 and fig. 3, an immunochromatography detection card containing diluent, including the shell bottom 4, the joint hascap 1 on the shell bottom 4.

Theshell cover 1 is provided with asample adding hole 11 and anobservation window 13, the shell bottom 4 is provided with a limitingpart 41 for placing thetest strip 5, and thetest strip 5 is placed in the limitingpart 41.

Thedilution unit 2 is provided on thecase cover 1 on the side close to the case bottom 4 at theloading hole 11.

A dryingunit 3 is arranged on thehousing cover 1 on the side close to the housing bottom 4.

In this embodiment, the diluent is stored in the dilutingunit 2, thereby avoiding the problems of inconvenience, complicated operation, repeated use, easy pollution and the like caused by carrying the diluent alone. Meanwhile, the dryingunit 3 is arranged in theshell cover 1, so that the dryingunit 3 and thetest strip 5 are simultaneously distributed between theshell cover 1 and the shell bottom 4, thereby thedilution unit 2, the dryingunit 3 and thetest strip 5 form a whole between theshell cover 1 and the shell bottom 4, further thedrying unit 3 plays a role in moisture absorption in the detection process, and the phenomenon that thetest strip 5 absorbs moisture to cause the measurement result to be higher can be avoided under the humid condition, and the accuracy of the detection result is improved.

Further, the utility model provides adilution unit 2 includes:

the dilution liquid tank is arranged on theshell cover 1 close to the shell bottom 4 side;

the sealing cover is arranged on the surface of thesample adding hole 11 on theshell cover 1 far away from the shell bottom 4 side;

and a dilution space for containing the diluent and mixing the diluent with a sample to be detected of a human body is formed between the diluent tank and the sealing cover.

In the detection process, only the sealing cover on thesample adding hole 11 needs to be taken off, a human body sample to be detected is added into thesample adding hole 11, so that the sample to be detected enters the dilution liquid tank and is mixed with the dilution liquid in the dilution space, and then the sample to be detected is gently shaken on the horizontal desktop to the target time, and the dilution process of the sample to be detected is completed. The target time is determined according to different samples to be detected, and is generally 3 seconds to 15 seconds.

In a particular embodiment, as shown in fig. 2, the dilution tank comprises:

afirst notch 21 provided in thecase cover 1 at the position of thesample addition hole 11 near the case bottom 4 side;

asecond notch 23 arranged between the case bottom 4 and thecase cover 1;

agroove wall 22 disposed between thefirst notch 21 and thesecond notch 23;

and a sealing unit provided on thesecond notch 23 and capable of being withdrawn.

The diluent is placed in the diluent tank so that the diluent is integrated with thecase cover 1. Wherein, be located theloading hole 11 on thecap 1 and be linked together with the dilution cistern, treat that the sample is diluted inloading hole 11 andfirst notch 21 are directly put intocell wall 22 in the acquisition to treat to detect through taking out make after the sealed unit treat that sample liquid flows out to samplepad 51 in fromsecond notch 23 and detect, replaced loaded down with trivial details dilution and alleviated, avoid the condition of the pollution that used repeatedly diluent caused simultaneously.

Thefirst notch 21 is directed toward the well 11 side and is an entrance of thegroove wall 22. Thesecond notch 23 is an outlet, i.e. a liquid flow port, of thegroove wall 22.

After the sample to be detected is diluted, the sealing unit discharges the diluted sample liquid to be detected from thesecond notch 23.

Preferably, the diameter of thefirst slot 21 is larger than the diameter of thesecond slot 23, so that the dilution liquid tank is formed in a funnel shape. This dilution cistern that leaks hopper-shaped can reduce the volume in dilution space under the dilution prerequisite of the sample of waiting to detect to the completion to the manufacturing cost of immunochromatography detection card has been reduced.

In order to make the diluted sample liquid to be detected flow out of thesecond notch 23 at a constant speed, the diameter of thesecond notch 23 is larger than 2 mm.

As shown in fig. 2, the present invention provides a sealing unit comprising:

a sealingball 25 attached to thesecond notch 23 and sealing thesecond notch 23;

one end of thedrawer 24 is connected to the sealingball 25, and the other end extends out of thehousing cover 1.

After the sample to be detected is diluted, the pullingpiece 24 is pulled out, the pullingpiece 24 drives the sealingball 25 to be pulled out from thesecond notch 23, so that the sample liquid to be detected after being diluted in the dilution liquid tank drops onto thesample pad 51 from thesecond notch 23 to wait for a detection result.

Wherein thedrawer 24 includes, but is not limited to, a pull strip, a pull tab, a pull rod. Depending on the application requirements and application scenarios, thedrawer 24 may be flexible or made of a flexible material that does not break as is known in the art.

Preferably, in order to extend thedrawer 24 outside thehousing cover 1, thehousing cover 1 is also provided with a drawer opening through which thedrawer 24 extends.

As shown in fig. 2, the present invention provides adrying unit 3 including:

adrying box 31 which is provided on thecase cover 1 near the case bottom 4 side and which houses a drying agent;

and moisture absorption holes 32 uniformly provided on thedrying box 31 near the side of the case bottom 4.

The desiccant adsorbs moisture between thecase cover 1 and the case bottom 4 through themoisture absorption hole 32 in thedrying box 31, so that the desiccant can better play a moisture absorption role, and thetest paper 5 in the case bottom 4 is ensured to be kept dry all the time.

As shown in fig. 4, the utility model provides atest strip 5 includes:

anitrocellulose membrane 52 disposed within thestopper 41;

asample pad 51 disposed on thenitrocellulose membrane 52 near thesecond notch 23;

and a waterabsorbent paper 53 placed on thenitrocellulose membrane 52 near themoisture absorption hole 32.

Thetest strip 5 consists of anitrocellulose membrane 52, asample pad 51 andabsorbent paper 53. Since thesample pad 51 is located near thesecond notch 23, the diluted sample liquid to be detected directly drops onto thesample pad 51 from thesecond notch 23.

After the diluted sample liquid to be detected directly drops onto thesample pad 51 from thesecond notch 23, theabsorbent paper 53 absorbs the sample liquid to be detected dropping on the sample pad, so that the sample liquid to be detected dropping on the sample pad flows toward theabsorbent paper 53.

As shown in fig. 1, thecover 1 is further provided with aninformation code area 12 on the surface for placing the inquiry detection information code.

Theinformation code area 12 may be provided with an information code for inquiring the detection information. The information code includes, but is not limited to, a one-dimensional code, a two-dimensional code, a bar code, a hand-written card, and the like.

The utility model discloses in, combine fig. 2 and 3, still be provided withjoint post 14 on the shell bottom 4 that is close toshell lid 1 side, be provided with thejoint hole 42 withjoint post 14 looks joint on theshell lid 1 that is close to shell bottom 4 side.

Carry out the in-process of joint withcap 1 and shell bottom 4, only need press after aligningjoint post 14 andjoint hole 42's position, just can realize the joint betweencap 1 and the shell bottom 4.

In the process of disassembling theshell cover 1 and the shell bottom 4, the disassembly between theshell cover 1 and the shell bottom 4 can be realized only by pulling the clampingcolumns 14 and the clamping holes 42.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An immunochromatography detection card containing diluent, which comprises a shell bottom, wherein a shell cover is clamped on the shell bottom,

the shell cover is provided with a sample adding hole and an observation window respectively, and the shell bottom is provided with a limiting piece for placing a test strip;

a dilution unit is arranged on the shell cover which is positioned at the sample adding hole and is close to the bottom side of the shell;

a drying unit is disposed on the housing cover adjacent to the bottom side of the housing.

2. The immunochromatographic test card containing a diluent according to claim 1, wherein the dilution unit comprises:

a dilution tank disposed on the housing cover adjacent the bottom side of the housing;

a sealing cover arranged on the surface of the sample adding hole on the shell cover far away from the bottom side of the shell;

and a dilution space for containing the diluent and mixing the diluent with a sample to be detected of a human body is formed between the diluent tank and the sealing cover.

3. The immunochromatographic test card containing a diluent according to claim 2, wherein the diluent bath comprises:

a first notch disposed on the housing cover at the sample application aperture proximate the bottom side of the housing;

the second notch is arranged between the shell bottom and the shell cover;

a slot wall disposed between the first slot opening and the second slot opening;

and the sealing unit is arranged on the second notch and can be drawn out.

4. The immunochromatographic test card containing a diluent according to claim 3, wherein the diameter of the first notch is larger than that of the second notch, so that the diluent tank is formed in a funnel shape.

5. The immunochromatographic test card containing a diluent according to claim 4, wherein the diameter of the second notch is larger than 2 mm.

6. The immunochromatographic test card containing a diluent according to claim 3, wherein the sealing unit comprises:

the sealing ball is connected to the second notch and seals the second notch;

one end of the pulling piece is connected to the sealing ball, and the other end of the pulling piece extends out of the shell cover.

7. The immunochromatographic test card containing a diluent according to claim 6, wherein the housing cover is further provided with a drawing hole through which the drawing member is extended.

8. The immunochromatographic test card containing a diluent according to claim 3, wherein the drying unit comprises:

a drying box disposed on the case cover adjacent to the bottom side of the case and containing a drying agent therein;

and the moisture absorption holes are uniformly formed on the drying box close to the bottom side of the shell.

9. The immunochromatographic test card containing a diluent according to claim 8, wherein the strip comprises:

the nitrocellulose membrane is arranged in the limiting piece;

a sample pad disposed on the nitrocellulose membrane proximate to the second notch;

and the absorbent paper is placed on the nitrocellulose membrane close to the moisture absorption hole.

10. The immunochromatographic test card containing a diluting solution according to claim 1, wherein an information code area for placing an inquiry and detection information code is further provided on the surface of the cover.

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