CN216051759U

CN216051759U - Immunochromatographic test card

Info

Publication number: CN216051759U
Application number: CN202121508199.0U
Authority: CN
Inventors: 杨聪; 唐逸杰; 房广志
Original assignee: Shenzhen Cornley Bio Medical Co ltd
Current assignee: Shenzhen Cornley Bio Medical Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-03-15
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses an immunochromatographic test card which comprises a shell and a test strip accommodated in the shell, wherein one end of the shell is provided with a connecting part for connecting a driving device. This immunochromatography test card is through setting up the connecting portion that is used for connecting drive arrangement at one end for it can realize automatic operations such as plug-in card, conveying, getting the card under drive arrangement's drive, and the existence of this connecting portion is held when easily operating personnel gets to put the test card. The immunochromatography test card provided by the utility model can meet the automatic operation requirements of an automatic incubation and detection integrated machine, realizes the full process automation of card feeding, card inserting incubation, card taking incubation, card conveying to a detection inlet and card throwing after detection, realizes one-key operation, and reduces the labor intensity of detection personnel.

Description

Immunochromatographic test card

Technical Field

The utility model belongs to the technical field of immunochromatography, and particularly relates to an immunochromatography test card.

Background

The immunochromatography technology is an analysis method combining the immunological technology and the chromatographic technology, and has the advantages of high detection speed, simple operation and low cost, so that the immunochromatography technology is gradually and widely applied to important fields of clinical detection, environmental monitoring, food safety and the like in recent years. At present, the immunochromatography technology generally performs detection through a detection card, the detection card generally comprises a shell and a test strip arranged in the shell, a fluorescent substance is combined on the test strip, and specific immunoassay is realized by observing the change of color on the test strip.

However, the existing immunochromatography test card can only be used for an incubation device and an immunity detector, and can only be manually inserted and taken, the whole-course manual operation of a tester is required, the existing immunochromatography test card cannot be applied to an automatic incubation and detection all-in-one machine, and the automation degree is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the defects in the prior art at least to a certain extent, and provides an immunochromatography test card suitable for an automatic incubation and detection all-in-one machine.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides an immunochromatographic test card which comprises a shell and a test strip accommodated in the shell, wherein one end of the shell is provided with a connecting part for connecting a driving device.

Preferably, the surface of the shell is provided with a label position, and the label position is provided with a test label.

Preferably, the shell comprises an upper cover and a bottom shell which are mutually buckled and connected, a limiting part is arranged in the bottom shell, and the test strip is arranged in the limiting part in a matching manner; the upper cover is provided with a limiting part corresponding to the position of the test strip.

Preferably, the upper cover is provided with a sample adding hole and a detection window, and the connecting part, the sample adding hole and the detection window are sequentially arranged.

Preferably, the surfaces of the sample adding hole and the test strip at the detection window are provided with liquid guide members.

Preferably, the surface of the bottom shell is provided with a guide groove, and two ends of the shell are provided with guide parts; the connecting part is a connecting through hole.

Preferably, the stopper portion includes: the first end wall and the second end wall are arranged at two ends of the bottom shell, the first broken wall is connected with a first limiting side wall, the second end wall is connected with a second limiting side wall, and at least one group of limiting ribs are arranged between the first limiting side wall and the second limiting side wall.

Preferably, the stopper includes: the detection window is arranged between the first pressing rib and the second pressing rib; an upper cover retaining wall is further arranged in the upper cover, and the upper cover retaining wall is arranged in parallel with the first pressing rib, the second pressing rib and the third pressing rib.

Preferably, the bottom surface in the bottom shell is provided with a first supporting part, a drainage part and a second supporting part in sequence, the first supporting part is provided with an inclined plane facing the second supporting part and having an angle of 3-5 degrees, and the drainage part is provided with an inclined plane facing the second supporting part and having an angle of 1-2 degrees.

Preferably, the upper cover and the bottom shell are connected through a connecting assembly, and the connecting assembly comprises a connecting column and a hole column which are matched with each other; and an indicating part is arranged at one end of the upper cover, which is far away from the connecting part.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the immunochromatographic test card provided by the utility model comprises a shell and a test strip accommodated in the shell, wherein one end of the shell is provided with a connecting part for connecting a driving device. This immunochromatography test card is through setting up the connecting portion that is used for connecting drive arrangement at one end for it can realize automatic operations such as plug-in card, conveying, getting the card under drive arrangement's drive, and the existence of this connecting portion is held when easily operating personnel gets to put the test card. The immunochromatography test card provided by the utility model can meet the automatic operation requirements of an automatic incubation and detection integrated machine, realizes the full process automation of card feeding, card inserting incubation, card taking incubation, card conveying to a detection inlet and card throwing after detection, realizes one-key operation, and reduces the labor intensity of detection personnel.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic structural diagram of an immunochromatographic test card provided in an embodiment of the present invention;

FIG. 2 is an exploded view of an immunochromatographic test card provided in an embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of the bottom case of the immunochromatographic test card provided in the embodiment of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the upper cover of the immunochromatographic test card provided in the embodiment of the present invention;

FIG. 5 is a schematic bottom view of an immunochromatographic test card provided in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of an immunochromatographic test card provided in an embodiment of the present invention;

the reference numbers in the figures denote: 1-a housing; 11-a connecting portion; 12-a grip portion; 13-tag bit; 14-upper cover; 141-first beading; 142-a second bead; 143-third beading; 144-upper cover retaining wall; 145-wells; 146-a detection window; 147-connecting column; 15-a bottom shell; 151-first end wall; 152-a second end wall; 153-a first stop wall; 154-a second stop wall; 155-limiting ribs; 156-a first support; 157-a drainage portion; 158-a second support; 159-guide groove; 1510-well column; 16-a first inclined surface; 17-a second inclined surface; 18-an indication part; 2-test paper strip; 21-liquid guide.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

Referring to fig. 1-6, the present embodiment provides an immunochromatographic test card, which includes a housing 1 and a test strip 2 accommodated in the housing for performing an immune reaction, wherein the test strip 2 is a conventional immune test strip. One end of the shell 1 is provided with a connecting part 11 for connecting a driving device, the connecting part 11 is used for connecting driving devices such as a driving motor and the like, and the middle actions such as card feeding, transmission, card inserting incubation, card taking, card detection, card throwing and the like are completed under the driving of the driving motor, and the connecting part 11 is arranged on the immunochromatography test card, so that the connection with the driving device is realized, the automatic operation requirements of sample incubation and detection are met, and the labor intensity and the labor cost are reduced.

Specifically, connecting portion 11 is for seting up the through-hole in 1 one end of shell in this embodiment, and the drive arrangement accessible is installed the bayonet lock of adaptation and is connected with the through-hole block, and then drives the immunochromatography test card and accomplishes operations such as plug-in card, get the card, transport, and the shape of through-hole can be circular, rectangle or other shapes, can realize being connected with the buckle of bayonet lock can. In this embodiment, preferably, the exterior of the connecting portion 11 is further provided with a holding portion 12, and the holding portion 12 may be an oval-shaped sinking groove, and the oval-shaped sinking groove is configured to facilitate fitting of fingers, thereby facilitating holding of the test card.

The surface of the shell 1 is also provided with a label position 13, the label position 13 is used for attaching a label or a two-dimensional code label marked with test item information, the label or the two-dimensional code label is convenient to detect, the test item information is compared with the preset test item information, and the card can be inserted after the test is consistent.

The shell 1 specifically includes upper cover 14 and drain pan 15 that mutual lock is connected, wherein sets up spacing portion in the drain pan 15, and 2 adaptations of test strip are spacing in spacing portion, and the position that corresponds test strip 2 in the upper cover 14 is equipped with the locating part, and through the adaptation setting of spacing portion and locating part, test strip 2 fastens in the space that closes is enclosed in spacing portion and locating part, prevents that test strip 2 is not hard up, off normal in transportation or the test procedure.

The spacing portion specifically includes in this embodiment: the test strip storage device comprises a first end wall 151 and a second end wall 152 which are arranged at the head end and the tail end of the bottom shell 15, wherein the first end wall 151 and the second end wall 152 are distributed in parallel along the length direction of the bottom shell 15, the length direction of the first end wall 151 and the length direction of the second end wall 152 are perpendicular to the length direction of the bottom shell, the first end wall 151 is connected with a first limiting wall 153, the second end wall 152 is connected with a second limiting wall 154, the first limiting wall 153 and the second limiting wall 154 are arranged between the first end wall 151 and the second end wall 152 and are perpendicular to the first end wall 151 and the second end wall 152, the first limiting wall 153 and the second limiting wall 154 respectively comprise two parallel wall surfaces, the two parallel wall surfaces are arranged at intervals, the intervals are matched with the width of the test strip, and the test strip 2 is contained in a space surrounded by the first end wall 151, the second end wall 152, the first limiting wall 153 and the second limiting wall 154. Still be provided with at least a set of spacing muscle 155 between first spacing lateral wall 153 and the spacing lateral wall 154 of second, in this embodiment, spacing muscle 155 is two sets of, and two sets of spacing muscle 155 interval parallel arrangement, the spacing muscle of every group include two relative and spacing muscle that the interval set up, and two relative one sides of spacing muscle are pressed in the test paper strip top, play limiting displacement. The test strip is fully prevented from deviating in the shell by limiting the left side and the right side of the test strip 2 through the limiting wall and limiting the limiting rib from the top of the test strip 2.

Correspondingly, be provided with the locating part in the upper cover 14, the locating part specifically includes: along 14 length direction intervals of upper cover 14 and parallel arrangement's first ribbing 141, second ribbing 142 and third ribbing 143, first ribbing, second ribbing 142 and third ribbing 143 all are the cuboid structure, and length direction sets up with the length direction of upper cover 14 is perpendicular, and the setting of first ribbing 141, second ribbing 142 and third ribbing 143 further plays the effect of being fixed in drain pan 15 with it from test paper strip 2 top. Still be provided with upper cover retaining wall 144 in the upper cover 14, upper cover retaining wall 144 and first ribbing 141, second ribbing 142 and third ribbing 143 parallel arrangement, and be located the one end of keeping away from first ribbing 141, second ribbing 142 and third ribbing 143, upper cover retaining wall 144 parallel arrangement in order promptly, upper cover 14 and drain pan 15 lid close the back, first ribbing 141, second ribbing 142 and third ribbing 143, upper cover retaining wall 144 compress tightly the test paper strip from four spaced positions and are fixed in the drain pan 15.

In order to add a sample to the test strip 2 in the test card and observe an immune reaction on the test strip 2, the upper cover 14 is further provided with a sample adding hole 145 and a detection window 146, the connecting portion 11, the sample adding hole 145 and the detection window 146 are sequentially arranged at intervals, the sample adding hole 145 is arranged between the upper cover blocking wall 144 and the third rib 143, and the detection window 146 is arranged between the second rib 142 and the third rib 143.

In order to make the sample flow smoothly and improve the detection efficiency, the position of the test strip 2 corresponding to the detection window 146 and the sample adding hole 145 is marked to be further provided with the liquid guiding piece 21, the liquid guiding piece 21 is a sponge strip attached to the test strip 2, the liquid guiding piece 21 plays a role in controlling the liquid flow direction of the tested sample on one hand, and the test strip is convenient to position and clamp on the other hand.

In this embodiment, in order to obtain a better chromatography effect and reduce the installation difficulty of the test strip 2, the bottom surface of the bottom case 15 is sequentially provided with the first supporting portion 156, the drainage portion 157 and the second supporting portion 158, wherein the first supporting portion 156 and the second supporting portion 158 are higher than the drainage portion 157, the area of the second supporting portion 158 is larger than that of the first supporting portion 156 and the drainage portion 157, one side of the first supporting portion 156 close to the drainage portion 157 is provided with an inclined plane facing the second supporting portion 158 and facing downward, the angle of the inclined plane is 3 to 5 °, one side of the drainage portion 157 close to the second supporting portion 158 is provided with an inclined plane facing the second supporting portion 158 and facing upward, and the angle of the inclined plane is 1 to 2 °. Through the arrangement of the two inclined planes, the chromatography efficiency is improved.

Furthermore, in order to make the immunochromatographic test card more easily inserted into the sample inlet of the incubator or the detector, a guide groove 159 is further formed on the side of the bottom case 15 away from the top cover 14, the guide groove 159 is preferably a rectangular groove, and the guide groove 159 not only plays a role in guiding the insertion of the card, but also plays a role in heat conduction. For the convenient degree of improvement card of advancing one portion, shell 1 both ends still are provided with the guide part, and the guide part is for setting up in the direction inclined plane at shell 1 both ends, specifically including setting up in the first inclined plane 16 of top cap 14 one end top surface, still including setting up in keeping away from first inclined plane 16 one end, and be located the second inclined plane 17 of the shell 1 left and right sides.

In order to realize tight connection between the upper cover 14 and the bottom case 15, the upper cover 14 and the bottom case 15 are connected by a set of connecting components, each connecting component comprises a connecting column 147 arranged in the upper cover 14 and a hole column 1510 arranged at a position corresponding to the connecting column 147, when the upper cover 14 is buckled with the bottom case 15, the connecting column 147 is inserted into the hole column 1510, and the connecting columns 147 are in interference fit with the hole columns 1510, so that the connection is stable.

In order to prevent the test card from being inserted reversely, the side of the upper cover 14 away from the connecting portion 11 is further provided with an indicating portion 18, which is preferably an arrow mark, and the arrow mark is arranged lower than the surface of the upper cover 14, so that the identification and the automatic assembly detection are easy.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. The immunochromatographic test card is characterized by comprising a shell and a test strip accommodated in the shell, wherein one end of the shell is provided with a connecting part for connecting a driving device.

2. The immunochromatographic test card of claim 1, wherein the housing surface is provided with a label site, and the label site is provided with a test label.

3. The immunochromatographic test card of claim 2, wherein the housing comprises an upper cover and a bottom case which are connected with each other in a buckling manner, a limiting part is arranged in the bottom case, and the test strip is arranged in the limiting part in a matching manner; the upper cover is provided with a limiting part corresponding to the position of the test strip.

4. The immunochromatographic test card of claim 3, wherein the upper cover is provided with a sample application hole and a detection window, and the connecting part, the sample application hole and the detection window are arranged in sequence.

5. The immunochromatographic test card of claim 4, wherein the surfaces of the test strip at the sample application hole and the detection window are provided with liquid-guiding members.

6. The immunochromatographic test card of claim 5, wherein a guide groove is formed on the surface of the bottom case, and guide parts are arranged at both ends of the case; the connecting part is a connecting through hole.

7. The immunochromatographic test card of claim 6, wherein the stopper portion comprises: the first end wall is connected with a first limiting side wall, the second end wall is connected with a second limiting side wall, and at least one set of limiting ribs is arranged between the first limiting side wall and the second limiting side wall.

8. The immunochromatographic test card of claim 7, wherein the stopper comprises: the detection window is arranged between the first pressing rib and the second pressing rib; an upper cover retaining wall is further arranged in the upper cover, and the upper cover retaining wall is arranged in parallel with the first pressing rib, the second pressing rib and the third pressing rib.

9. The immunochromatographic test card of claim 8, wherein a first support part, a drainage part and a second support part are sequentially provided on the inner bottom surface of the bottom case, the first support part has an inclined surface at an angle of 3-5 ° facing the second support part, and the drainage part has an inclined surface at an angle of 1-2 ° facing the second support part.

10. The immunochromatographic test card of claim 9, wherein the upper cover and the bottom case are connected by a connection assembly including connection posts and hole posts fitted to each other; and an indicating part is arranged at one end of the upper cover, which is far away from the connecting part.