Detection device

Abstract

The invention relates to a detection device, which comprises a device body and a test element, the detection device also comprises a packaging cavity, and the packaging cavity is fixed on the device body; the device body comprises a first sealing cavity; the packaging cavity and the testing element are both located in the first sealing cavity. The invention further discloses a packaging method and a detection method of the detection device. According to the detection device, packaging and the device are originally combined together for transportation, storage and subsequent detection, and even recovery of the finally used detection device is achieved. The state consistency of the test elements is kept in the process from production to use of an operator by the inspection device; the influence on the detection result caused by the damage of the test element in the process is avoided; meanwhile, the environment is polluted by flowing of samples, and the pollutant propagation risk is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical diagnostic articles, and relates to a detection device, in particular to a detection device with its own packaging. Background Art

[0002] Point-of-care testing (POCT) is an important development direction in clinical laboratory testing. Immunochromatography is one of the commonly used techniques. After being labeled with minute particles such as colloidal gold and stained latex particles, the detection result is visually displayed through an immunological binding reaction. Immunochromatography is mainly applied to rapid diagnosis of diseases, early pregnancy testing, drug abuse monitoring, tumor marker detection, etc. Immunochromatographic diagnosis has the advantages of simple operation, short reaction time, intuitive and easy-to-interpret detection results, convenient sample source, low detection cost, and no need for special equipment, and is suitable for extensive large-scale screening, home testing, and roadside testing.

[0003] Immunochromatographic detection usually adopts a dry reaction. The test strip is sensitive to environmental conditions including light, moisture, etc. Therefore, the test strip is usually individually packaged in an aluminum foil bag, and a desiccant needs to be additionally added to the aluminum foil bag to avoid product failure caused by environmental reasons. In addition, due to the small size and softness of each part of the test strip, to avoid deformation due to transportation extrusion, the test strip generally needs to be placed in a plastic housing to form a detection plate, and then together with the desiccant, it is loaded into an aluminum foil bag. That is, the assembly and packaging of the test strip are cumbersome. It is necessary to first place it under the lower cover of the plastic shell, then fasten the upper cover, then put it into the aluminum foil bag, put in the desiccant, and then seal the aluminum foil bag. There are many processes, and the automated operation is also relatively complex and costly. Therefore, in the packaging process of the test strip, a large amount of labor and equipment costs are consumed, and the efficiency is not high. And in the device for integrating the test strip into a cup for detection, the desiccant is usually directly placed in the cup. When in use, the desiccant needs to be taken out first, and then subsequent detection operations are carried out, resulting in poor user experience. Summary of the Invention

[0004] The present invention provides a detection device, in which the test element and the packaging cavity are sealed in the same space. More preferably, the packaging cavity is fixed on the detection device. The packaging cavity is used to accommodate and fix the desiccant, so that the packaging cavity together with the desiccant in the packaging cavity can directly perform subsequent operations, transportation, storage, and detection. The detection efficiency is improved, the detection error is reduced, and the user experience is enhanced. In addition, the structure of the detection device also solves the problem of extrusion deformation during packaging and transportation, is convenient for detection, and prevents the operator from being contaminated by the sample.

[0005] Specifically, a detection device provided by the present invention includes a device body and a test element. Among them, the detection device further includes a packaging cavity, and the packaging cavity is fixed on the device body; the device body includes a first sealing cavity; both the packaging cavity and the test element are located in the first sealing cavity.

[0006] In the present invention, the packaging cavity is used to accommodate the desiccant. Therefore, the desiccant is also sealed in the first sealed cavity. In some preferred embodiments, the packaging cavity includes a component for accommodating and fixing the desiccant.

[0007] In some preferred embodiments, the device body includes a collection cavity with an open end for collecting and accommodating a sample, a detection cavity for accommodating a test element that is only communicated with the collection cavity, and a cover for sealing the collection cavity and the detection cavity after covering the opening of the collection cavity.

[0008] In some preferred embodiments, the cover covers and seals the opening of the collection cavity so that the collection cavity and the sealed cavity form a first sealed cavity. After the cover covers and seals the opening of the collection cavity, the entire collection device becomes a sealed cavity, that is, the inner wall of the cover, the collection cavity and the detection cavity form a connected first sealed cavity.

[0009] In some preferred embodiments, the packaging cavity is located inside the cover. Therefore, both the packaging cavity and the test element located in the detection cavity are in the same sealed cavity.

[0010] In some preferred embodiments, the component for accommodating and fixing the desiccant is a card plate located on the inner top wall of the cover and clamped on the groove. Specifically, the groove on the inner top wall of the cover is formed by the cover protruding outward.

[0011] In some preferred embodiments, the card plate has one or more through holes. The through holes are used to communicate the packaging cavity with the collection cavity.

[0012] In some preferred embodiments, the card plate has one or two or more protruding posts around it; the edge of the groove has pits for accommodating the protruding posts corresponding to the protruding posts one by one. The protruding posts are clamped into the pits to be fixed, so that the card plate and the groove are fixed.

[0013] In some preferred embodiments, the inner side wall of the cover has a sealing gasket. The sealing gasket is provided inside the cover to make the sealing performance between the cover and the opening of the collection cavity better.

[0014] On the other hand, the device body of another detection device provided by the present invention includes an open housing for accommodating a test element and a packaging cavity and a sealing component for sealing the opening of the housing. In some embodiments, to ensure the storage space for the test element, the housing has a certain hardness.

[0015] In some preferred embodiments, the sealing component seals the housing to form a first sealed cavity of the device body. After the housing and the sealing component are sealed, a first sealed cavity is formed, and both the test element and the packaging cavity are in this sealed cavity. Similarly, the desiccant located in the packaging cavity is also in this first sealed cavity.

[0016] In some preferred embodiments, the housing or the sealing member further includes a sample addition hole and a tearable member for sealing the sample addition hole; the position of the sample addition hole corresponds to the position of the sample area of the test element.

[0017] In some preferred embodiments, the sealing member is another open housing or a sheet. Specifically, there is no requirement for the hardness of the housing and / or the sheet as the sealing member. It can be a material with hardness, such as plastic, PP, etc.; it can also be a soft material, such as tin foil, aluminum foil, and thin film, etc.

[0018] In some preferred embodiments, there is a thermal seal between the housing opening and the sealing member.

[0019] In some preferred embodiments, the tearable member adhesively seals the through hole. Specifically, the tearable member has adhesiveness and can repeatedly adhere to and tear away from the contacting surface in contact with it. The sample addition hole is sealed by the tearable member adhering around the sample addition hole.

[0020] In some preferred embodiments, the housing or the sealing member corresponding to the detection area of the test element has a transparent window. Since the detection result needs to be observed at the detection area, a transparent window is provided on the housing or the sealing member enclosing this area for convenient observation.

[0021] In some preferred embodiments, it further includes an opaque covering member; the opaque covering member covers the transparent window corresponding to the detection area of the test element.

[0022] In some preferred embodiments, there is a baffle inside the housing; the member for accommodating and fixing the desiccant is the depression formed by the baffle and the housing and the protrusion on the inner sidewall of the housing; the desiccant is snap-fitted and fixed in the depression and the protrusion.

[0023] In some preferred embodiments, the housing includes a card slot for fixing the test element; the card slot is formed by two convex strips at the bottom of the housing and the baffle enclosing. Specifically, the distance between the two convex strips is the same as the width of the test element. The two convex strips can be symmetrically arranged at the bottom of the housing or asymmetrically arranged. The setting position of the convex strips only needs to satisfy fixing the test element and facilitating assembly.

[0024] In some preferred embodiments, the baffle is horizontally located inside the housing, the baffle is located at the bottom of the housing and does not contact the sidewall of the housing.

[0025] In some preferred embodiments, the test element in the present invention is a test strip.

[0026] In the present invention, a packaging method for a detection device is further provided. The detection device includes a test element, a housing with an opening, and a sealing member. The housing or the sealing member has a sample addition hole and a tearable member for sealing the sample addition hole. The housing or the sealing member has a transparent window. The specific packaging steps are as follows:

[0027] Install the test element and the desiccant into the housing with an opening respectively;

[0028] Cover the sealing member on the opening of the housing;

[0029] Among them, the sample area of the test element is located at the through hole on the housing or the sealing member; the detection area of the test element is located at the transparent window of the housing or the sealing member;

[0030] Seal the sealing member and the housing to complete the packaging.

[0031] In some preferred embodiments, there is a baffle in the housing. The baffle and the housing enclose a recess, and there are protrusions on the inner side wall of the housing. The desiccant is fixed in the recess and the protrusions.

[0032] In some preferred embodiments, the housing includes a card slot for fixing the test element. The card slot is formed by two symmetric ridges at the bottom of the housing and the baffle enclosing it.

[0033] In some preferred embodiments, the housing is made of a plastic material with hardness; the sealing member is an aluminum foil.

[0034] Specifically, the present invention further provides a detection method for the detection device packaged as above, which is as follows:

[0035] Tear off the tearable member located on the housing or the sealing member to expose the sample addition hole located in the sample area of the test element;

[0036] Drop a sample into the sample area of the test element located in the sample addition hole;

[0037] Let it stand;

[0038] Observe the detection area of the test element to obtain the detection result.

[0039] In some embodiments, the standing time is 1 - 3 minutes.

[0040] In some preferred embodiments, after dropping the sample into the sample area of the test element at the sample addition hole, the tearable member is used to adhesively seal the sample addition hole.

[0041] In some preferred embodiments, an opaque covering member is covered on the transparent window corresponding to the detection area of the test element; the detection area of the test element is observed after peeling off the covering member to obtain the detection result.

[0042] Beneficial effects

[0043] The detection device of the present invention uniquely integrates the packaging with the device, facilitating transportation, storage, subsequent detection, and even the recycling of the used detection device at the end. It maintains the state consistency of the test elements during the process from the production of the inspection device to its use by the operator. It avoids the influence on the detection results caused by the damage of the test elements during this process; at the same time, the sample flow pollutes the environment and reduces the risk of pollutant transmission. Description of the drawings

[0044] Figure 1 It is a schematic structural diagram of the detection device of the present invention;

[0045] Figure 2 is Figure 1 a schematic exploded view of the structure of the detection device of

[0046] Figure 3 A schematic structural diagram of another detection device of the present invention;

[0047] Figure 4 is Figure 3 a schematic exploded view of the structure of the detection device of

[0048] Figure 5 is Figure 3 a schematic view of the interior of the housing of the detection device of

[0049] Reference numerals

[0050] Detection devices 100, 200, collection chamber 110, collection chamber opening 111, collection chamber opening convex block 112, detection chamber 120, cover body 130, buckle piece 131, test element 300, desiccant 500, packaging chamber 400, groove 410, clamping plate 420, through hole 421, convex column 422, detection chamber panel 121, detection chamber bottom plate 122, communication part 123, housing 210, housing window 211, housing sample addition hole 212, tearable part 213, sealing part 220, baffle 214, card slot 215, depression 218, protrusion 216, rib 217, housing side wall 219, first sealing chambers 180, 280 Detailed implementation manners

[0051] In the following detailed description, the reference characters attached to the drawings are a part here, which illustrate in a way of exemplifying specific embodiments that the present invention may implement. We do not exclude that the present invention may also implement other specific embodiments and change the structure of the present invention without departing from the scope of use of the present invention.

[0052] Generally, after the test element is produced until the operator finally uses it for detection, it needs to go through steps such as transportation and storage; in terms of time, it may take 2 - 3 years. Therefore, it is very important to maintain the detection ability of the test element unchanged during long-term storage and transportation. The basic component of the detection device or test element is the test strip, and its main components include glass fiber, nitrocellulose, filter paper, absorbent paper, etc. It is easy to absorb moisture in the air and get damp during long-term storage, thus affecting the detection results. In the existing packaging, the desiccant is placed together with the test element or detection device and then sealed in an aluminum foil bag with isolation properties. When in use, the packaging (aluminum foil bag) is opened, the desiccant is taken out, and then the detection device and test element are used for detection. Such detection operations are cumbersome, and moreover, the randomly discarded desiccant will cause environmental pollution.

[0053] Therefore, the present invention provides a new detection device, which fixes the desiccant on the detection device and seals it in the same space as the test element, that is, the test element and the desiccant are located in the same sealed cavity. The detection device with this new structure not only keeps the test element continuously dry but also does not require cumbersome operations in subsequent detections and can directly perform detections. Specifically, the detection device of the present invention includes a test element 300 and a packaging cavity 400, and the packaging cavity 400 is fixed on the detection device; moreover, the packaging cavity 400 and the test element 300 are located in the same sealed cavity - the first sealed cavity 180, that is, the packaging cavity 400 and the test element 300 are sealed in the same space. The packaging cavity 400 is used to place the desiccant, so that the test element is always in a dry state during packaging, transportation, storage, and detection. And during the entire process of packaging, transportation, storage, and detection, there is no need to take out the desiccant, which is convenient for the operator to use and eliminates environmental pollution caused by randomly discarding the desiccant. Among them, the packaging cavity includes a component for accommodating and fixing the desiccant.

[0054] In a specific embodiment, such as Figure 1 and Figure 2As shown in the figure, a new detection device 100 of the present invention includes a collection chamber 110 for collecting liquid samples and a detection chamber 120. Among them, the collection chamber 110 is communicated with the detection chamber 120 through a communication part 123. The test element 300 is placed in the detection chamber 120. Specifically, the detection chamber 120 includes a detection chamber panel 121 and a detection chamber bottom plate 122. After the test element 300 is fixed on the detection chamber bottom plate 122, the detection chamber panel 121 is covered and fixed to the detection chamber bottom plate 122. A cover body 130 for covering and sealing the collection chamber is provided at the orifice of the collection chamber 110. After the cover body seals the opening 111 of the collection chamber, a first sealed chamber 180 is formed. Since the detection chamber 120 is located within the collection chamber 110, the detection chamber 120, the collection chamber 110, and the test element 300 are sealed together by the cover body 130, that is, sealed by the first sealed chamber 180.

[0055] In a specific embodiment, the test element 300 is a test strip. The number of test elements can be one or multiple, such as Figure 2 shown.

[0056] In the detection device 100 of the present invention, the collection chamber 110 and the detection chamber 120 can be made of plastics, PP, etc. with a certain hardness. Among them, transparent windows are provided at the corresponding positions of the collection chamber and the detection chamber in the detection result display area of the test element 300.

[0057] A structure of a packaging chamber 400 is provided on the cover body 130, which is located at the inner top of the cover body 130. Specifically, as Figure 2 shown, the inner top wall of the cover body 130 protrudes outward to form a groove 410 for accommodating a desiccant 500. A clamping plate 420 is provided at the open end of the groove 410, and the clamping plate 420 is clamped and fixed at the opening of the groove 410 to fix the desiccant 500 in the groove 410. In order to enable the desiccant 500 to dry the test element 300 in the detection chamber 120, through holes 421 are designed on the clamping plate 420, and the through holes 421 communicate the groove 410 with the collection chamber 110 and the detection chamber 120. The number of the through holes 421 can be one or more, and the shape of the through holes 421 is not limited, and can be circular, oval, rectangular, etc. The size of the through holes 421 is limited so as not to exceed the size of the desiccant 500. Since the cover body 130 seals the collection chamber 110 and the detection chamber 120, the test element 300 is located in the detection chamber 120, and the packaging chamber 400 (groove, desiccant, clamping plate) is fixedly located inside the cover body 130, and the inside of the cover body 130 is communicated with the collection chamber 110. Thus, the test element 300 and the packaging chamber 400 are located in the same sealed cavity. During transportation or shelf life, the test strip 300 or the test element and the packaging chamber 400 are located in the same closed space. The cavity where the test strip 300 is located - the detection chamber 120 is gas-connected to the packaging chamber 400 where the desiccant is located, and the desiccant 500 can absorb the permeated water vapor to prevent the test strip 300 from absorbing moisture and denaturing.

[0058] like Figure 2 As shown, the card plate 420 and the groove 410 are fixed by the mutual engagement of the protrusion 422 designed on the card plate and the pit (not shown in the figure) at the edge of the groove opening. Specifically, a plurality of protrusions 422 are symmetrically distributed around the card plate, and pits are distributed one by one at the edge of the groove opening.

[0059] In some embodiments, in order to enhance the sealing effect of the cover 130 on the collection chamber 110, a sealing gasket is designed on the inner wall of the cover 130. The sealing gasket makes the cover 130 and the opening of the collection chamber 110 seal better.

[0060] like Figure 1 and Figure 2 As shown, in the present invention, the cover body 130 is covered on the collection chamber 110 by snapping. Specifically, one side of the cover body 130 is movably connected to the collection chamber 110, and a buckle 131 is designed on the other side corresponding thereto. The buckle 131 has a protrusion (not shown in the figure), and the opening 111 of the collection chamber 110 is designed with another protrusion 112, which corresponds to the buckle protrusion. When the cover body 130 and the buckle 131 are pressed onto the opening 111 of the collection chamber, the protrusion on the buckle 131 is pressed onto the bottom of the protrusion 112 of the collection chamber, and the two are buckled. The cover body 130 and the collection chamber 110 are covered and sealed.

[0061] Next Figure 1 - Figure 2 The specific usage of the detection device 100 is described.

[0062] After the operator gets the detection device 100, he first pries open the buckle 131 on the cover 130 to separate the buckle 131 from the collection chamber opening 111, then lifts up the buckle 131 to separate the cover 130 from the collection chamber opening 111, stands the detection device 100 upright, injects the sample (collects the sample) into the collection chamber 110, and the sample flows from the connection point into the detection chamber 120 and into the sample receiving area of ​​the test element 300 (test strip). The sample continues to flow on the test element 300 and reacts with the reagent on the test element. Finally, the result display is observed in the result display area of ​​the test element 300 to complete the detection.

[0063] In another embodiment provided by the present invention, Figure 3 and Figure 4As shown, another new detection device 200 includes an open housing 210 and a sealing component 220 covering and sealing the housing, wherein the housing 210 is used to accommodate the test element 300 and the packaging cavity 400. The open housing 210 and the sealing component 220 form a first sealed cavity 280, and the test element 300 and the packaging cavity 400 are both sealed in the first sealed cavity 280. During transportation or shelf life, the test strip or the test element 200 is located in the first sealed cavity 280 between the housing and the sealing component, and the area where the test strip is located is connected to the gas of the packaging cavity where the desiccant is located, and the desiccant 500 can absorb the infiltrated water vapor to prevent the test strip 300 from hygroscopic degeneration.

[0064] In some embodiments, in order to ensure that the test element 300 is not damaged during transportation and storage, the housing 210 has a certain hardness. The sealing component 220 can be made of a soft material or a hard material; and the sealing component 220 can be in a sheet shape, covering only the opening of the housing 210; the sealing component 220 can also be another shell shape, and the sealing component 220 covers the housing 210, that is, the two shells are assembled to increase the sealed space.

[0065] The detection device 200 of this embodiment does not need to separate the housing 210 and the sealing component 220 during detection. A sample loading hole 212 and a tearable component 213 for sealing the sample loading hole can be designed on the housing 210 or the sealing component 220; the position of the sample loading hole 212 corresponds to the position of the sample area of ​​the test element 300. Specifically, Figure 3 As shown, the sample loading hole 212 is located at one end of the housing 210, and the tearable component 213 covers the sample loading hole 212. In addition, the tearable component 213 is preferably sticky; the tearable component 213 is bonded around the sample loading hole 212 to seal the sample loading hole 212. In this way, when it is necessary to apply the sample to the test element 300, the tearable component 213 is peeled off to expose the sample loading hole 212, and the sample is added to the sample loading hole 212. In addition, after the sample is added, the tearable component 213 can be glued back to the sample loading hole 212 to avoid contamination of the operator due to careless operation. In some embodiments, the tearable component 213 is a repeatedly bonded adhesive cloth.

[0066] In some embodiments, the housing 210 or the sealing component 220 corresponding to the front of the test element 300 is transparent, or only the portion of the housing 210 or the sealing component 220 corresponding to the test result display area of ​​the test element 300 is transparent, or a transparent window is provided in the housing 210 or the sealing component 220 at the test result display area of ​​the test element 300. This makes it convenient to observe the test results. In a more preferred embodiment, when the test results are not announced to the subject, the transparent housing or the sealing component corresponding to the detection area of ​​the test element 300 is covered with an opaque covering component (not shown in the figure). The opaque covering component is made of a disposable adhesive material. In this way, the subject cannot know the test results, and when necessary, the operator or the detection mechanism will uncover the opaque covering component to observe the test results.

[0067] The components for accommodating and fixing the desiccant in the detection device 200 include a recess 218 formed by a baffle 214 located in the shell, a side wall 219 of the shell, and a bottom wall of the shell, and a protrusion 219 located on the upper part of the side wall 219 of the shell. The recess 218 and the protrusion 216 constitute a packaging cavity 400 for accommodating and fixing the desiccant 500. That is, the desiccant 500 is placed in the recess 218, and the protrusion 216 is engaged to fix the desiccant 500. The shell 210 includes a card slot 215 for fixing the test element 300. The card slot 215 is a card slot that is enclosed on three sides and open on one side. Specifically, the card slot is also enclosed by a baffle 214, a symmetrical convex strip 217 located at the bottom of the shell, and the bottom wall of the shell, such as Figure 5 The test element 300 is fixed in the slot 215, and the desiccant 500 is fixed in the adjacent recess 218, and the height of the baffle 214 between the slot and the recess is less than the height of the housing, or the baffle 214 does not extend to the two side walls 219 of the housing 210, so that the desiccant 500 is connected with the test element 300.

[0068] In some embodiments, the opening of the housing 210 may be sealed between the housing 210 and the sealing component 220 by heat sealing.

[0069] In some other embodiments, the test element 300 is a test strip, such as Figure 4 shown.

[0070] against Figure 3 to Figure 4 The detection device 200 also provides a packaging method, which is as follows:

[0071] The test element 300 and the desiccant 400 are respectively installed in the housing 210 having an opening;

[0072] The sealing member 220 is covered on the opening of the housing 210 to form a seal;

[0073] Among them, the sample area of the test element 300 is made to correspond to the sampling hole 212 on the housing 210 or the sealing member 220; the detection area of the test element 300 is made to correspond to the transparent portion 211 of the housing 210 or the sealing member 220; the test element 300 (test strip) is placed in the card slot 215 such that the sample receiving area of the test element 300 is away from one end of the desiccant 400; the desiccant 400 is placed into the recess 217 and pressed below the protrusion 217 on the side wall of the housing for fixation;

[0074] The sealing member 220 and the housing 210 are sealed to complete the packaging; specifically, the sealing member 220 is aluminum foil, and the opening between the aluminum foil 220 and the housing 210 is sealed by hot pressing.

[0075] For Figure 3 to Figure 4 the detection device 200, a detection method is also provided as follows:

[0076] During detection, the tearable member 213 located on the housing or the sealing member is torn off to expose the sampling hole 212 in the sample area of the test element 300;

[0077] A sample is dropped into the sample area of the test element 300 in the sampling hole 212; among them, the tearable member 213 can also be re-bonded to the sampling hole 212;

[0078] Let it stand for 1 - 3 minutes;

[0079] Observe the detection area of the test element 300 to obtain the detection result.

[0080] That is, after the detection is completed, the detection result can be directly read through the transparent housing 210 or the tearable member 220. Or, when there is an opaque covering member, according to needs, the detection result can be shown to the subject (uncovering the opaque covering member covering the observation window), or not shown to the subject. Finally, the opaque covering member is removed by the detection agency to read the detection result.

[0081] It is also possible to cover a part of the tearable member 213 after the detection is completed, so that the sampling hole 212 is sealed again, and the entire detection device 200 is also sealed again, which can avoid excessive sample flow from contaminating the environment and reduce the risk of pollutant transmission.

Claims

1. A detection device, comprising a device body and a test element, characterized in that, The detection device further includes a packaging chamber, which is fixed to the device body; the device body includes a first sealing chamber; both the packaging chamber and the test element are located in the first sealing chamber.

2. The detection device according to claim 1, characterized in that, The packaging chamber includes a component for accommodating and fixing the desiccant.

3. The detection device according to claim 1 or 2, characterized in that, The device body includes an open-ended collection chamber for collecting and accommodating a sample, a detection chamber for accommodating the test element that is only communicated with the collection chamber, and a cover for covering the opening of the collection chamber to seal the collection chamber and the detection chamber.

4. The detection device according to claim 3, wherein The cover covers and seals the opening of the collection chamber so that the collection chamber and the sealing chamber form a first sealing chamber.

5. The detection device according to claim 3, characterized in that, The packaging chamber is located inside the cover.

6. The detection device according to claim 5, characterized in that, The component for accommodating and fixing the desiccant is a card board located on the inner top wall of the cover and clamped on the groove.

7. The detection device according to claim 6, wherein, One or more through holes are provided on the card board.

8. The detection device according to claim 6, wherein One or two or more protruding posts are provided around the card board; concave pits for accommodating the protruding posts corresponding to the protruding posts one by one are provided at the opening edge of the groove.

9. The detection device according to claim 1 or 2, characterized in that, The device body includes a housing for accommodating the test element and the opening of the packaging chamber and a sealing component for sealing the opening of the housing.

10. The detection device according to claim 9, characterized in that, After the sealing component seals the housing, the device body forms a first sealing chamber.

11. The detection device according to claim 10, characterized in that, A sample addition hole and a tearable component for sealing the sample addition hole are further provided on the housing or the sealing component; the position of the sample addition hole corresponds to the position of the sample area of the test element.

12. The detection device according to claim 10, characterized in that, A transparent window is provided on the housing or the sealing component corresponding to the detection area of the test element.

13. The detection device according to claim 10, wherein A baffle is provided inside the housing; the component for accommodating and fixing the desiccant is a depression formed by the baffle and the housing and a protrusion located on the inner side wall of the housing; the desiccant is clamped and fixed in the depression and the protrusion.

14. The detection device according to claim 13, wherein A card slot for fixing the test element is provided inside the housing; the card slot is formed by enclosing two protruding strips at the bottom of the housing and the baffle.

15. The detection device according to claim 13, characterized in that, The baffle is horizontally located inside the housing, the baffle is located at the bottom of the housing and does not contact the side wall of the housing.

16. A packaging method for a detection device, characterized in that, The detection device includes a test element, as well as a housing with an opening and a sealing component; wherein, a sample addition hole and a tearable component for sealing the sample addition hole are provided on the housing or the sealing component; a transparent window is provided on the housing or the sealing component; the specific packaging steps are as follows: Install the test element and the desiccant into the housing with an opening respectively; Cover the sealing component onto the opening of the housing; Among them, the sample area of the test element is located at the through hole on the housing or the sealing component; the detection area of the test element is located at the transparent window on the housing or the sealing component; Seal the sealing component and the housing to complete the packaging.

17. The packaging method according to claim 16, characterized in that, A baffle is provided inside the housing; a depression is formed by the baffle and the housing, a protrusion is provided on the inner side wall of the housing, and the desiccant is fixed in the depression and the protrusion.

18. The packaging method according to claim 17, characterized in that, A card slot for fixing the test element is provided inside the housing; the card slot is formed by enclosing two symmetric protruding strips at the bottom of the housing and the baffle.

19. A detection method of the detection device according to any one of claims 16-18, characterized in that, It includes the following steps: Tear the tearable component located on the housing or the sealing component to expose the sample addition hole located in the sample area of the test element; Drop the sample into the sample area of the test element located in the sample addition hole; Let it stand; Observe the detection area of the test element to obtain the detection result.

20. The detection method according to claim 19, wherein After dropping the sample into the sample area of the test element at the sample addition hole, bond and seal the sample addition hole with the tearable component.

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