JP3233795U - Sample collection and detection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sample collecting and detecting apparatus in which collection, sustained release and detection are realized in one step by designing an integrated structure and detection efficiency is improved.
A measuring device 1 and a liquid storage device are screwed in, a sampling device 2 is arranged between the measuring device and the liquid storage device, and a lid 5 is detachably connected to the top end of a housing 4 and is mounted on the lid. The measuring sheet 6 is inserted, the sponge block 8 is arranged inside the housing, the detection area is formed by the sponge block and the housing, the liquid storage device includes the casing 10, and the nut 13 is screwed into one end of the casing. A liquid storage area is formed inside the nut by an integrally molded partition plate, and the drainage tube is fixed on the partition plate.
[Selection diagram] Fig. 1

Description

The present invention relates to the technical field of a sample collection and detection device, and particularly to a sample collection and detection device.

Techniques for detecting the presence of an analyte in a sample using the principle of immune fixation reaction have been widely applied in various fields. Used to detect analyzes of various biological samples (saliva, blood, urine, serum, sweat, etc.) and monitor illness and human health (hormones, tumors, infections, drugs, etc.) obtain. The basic principle of such detection techniques is based on the specific binding properties between immune molecules such as antibodies and antigens, haptens / antibodies, biotin and antibiotics.

In the field of medical diagnostics, it is common practice to collect and detect a liquid sample using a detector or detection cup to determine if the liquid sample contains an analyte. For such detectors or detection cups, the sample is generally collected in a sample container and a detection reagent sheet is inserted by a relevant technician so that a portion of the reagent sheet is immersed in the sample for a period of time. After that, it is required to take out the reagent sheet and read the detection result.

However, the existing detection devices have problems that most of the detection devices have a separate structure, are operated individually, the operation requirements are relatively high, the structure of the detection device is not compact, and it is inconvenient to carry. ..

Therefore, it is necessary to provide a sample collection and detection device capable of solving the above technical problems.

In order to solve the above technical problems, in the present invention, most of the detection devices in the existing detection devices have a separate structure, are operated individually, the operation requirements are relatively high, and the structure of the detection device is high. Provided is a sample collection and detection device that can solve the problem of not being compact and inconvenient to carry.

The sample collection and detection device provided by the present invention includes a measuring device, a sampling device and a liquid storage device, in which the measuring device and the liquid storage device are screwed in, and the sampling device is a measuring device and a liquid storage device. Arranged in between, the measuring device includes a housing, a lid is detachably connected to the top end of the housing, a measuring sheet is inserted over the lid, and a sponge block is placed inside the housing to form a sponge block. A detection region is formed by the housing and the housing, the liquid storage device includes a casing, a nut is screwed into one end of the casing, a liquid storage region is formed inside the nut by an integrally molded partition plate, and the liquid storage region is formed on the partition plate. A drainage tube is fixedly attached to the casing, a rubber layer is provided inside the casing, and a notch corresponding to the drainage tube is provided on the rubber layer.

Preferably, a transparent region corresponding to the detection region is provided on the housing, facilitating the operator to observe the detection result.

Preferably, the sampling device is a sponge material having a high liquid absorption capacity, and more specifically, the sponge material is a material such as polyester or foam.

Preferably, both ends of the casing are provided with short and long threads, respectively, the short threads being used for screwing into the measuring device and the long threads being used for screwing into the nut.

Preferably, the housing and the lid are screwed together and detachably connected for convenience of use.

Preferably, a rubber seal plug is provided on the nut to facilitate sealing of the liquid inlet.

Compared with related techniques, the sample collection and detection apparatus provided by the present invention has the following beneficial effects.

The present invention designs a pen-type measuring device, sampling device and liquid storage device, and collects and releases the sample by screwing the measuring device and the liquid storage device and designing an integrated structure in which the sampling device is placed at the connection point between the two. And detection is realized in one step, and detection efficiency is improved.

Schematic bottom view of the disassembled structure of the present invention. It is a schematic plan view of the disassembled structure of this invention. It is a schematic structural drawing of the inside of the nut of this invention.

Hereinafter, the present invention will be further described together with the drawings and embodiments.

In a specific implementation process, as shown in FIGS. 1 and 2, the sample collection and detection device includes a measuring device 1, a sampling device 2, and a liquid storage device 3, among which the measuring device 1 and the liquid storage device 3 are included. Is screwed in, the sampling device 2 is placed between the measuring device 1 and the liquid storage device 3, and the operation process is as follows: The sampling device 2 collects a liquid sample or a dry powder sample, and then the liquid. After the sampling device 2 filled with the sample or dry powder sample is placed between the measuring device 1 and the liquid storage device 3, the buffer liquid is discharged from the liquid storage device 3 to the sampling device 2, and the finally mixed liquid is discharged. It is injected into the measuring device 1 for detection.

Specifically, the measuring device 1 includes a tubular housing 4, and screws are provided inside the upper end and the lower end of the housing 4, respectively, and the lid 5 is screwed into the upper screw and can be attached to and detached from the lid 5. The measuring sheet 6 is inserted, and the lower screw is used for screwing with the liquid storage device 3, preferably, a transparent region 7 is provided on the housing 4, and the operator can directly obtain the detection result inside the housing 4 more quickly. A sponge block 8 is provided inside the housing 4 in order to smoothly inject the observable and well-mixed liquid into the measuring device 1, after the buffer liquid and the sample liquid are sufficiently mixed. The sponge block 8 is impregnated with the mixed liquid by utilizing its water absorption, and finally the liquid flows into the detection region 9 of the housing 4 by the transfer of the sponge block 8, and the measurement sheet 6 provided in the detection region 9 is mixed. Reacts with a liquid to represent the detection result.

As the above-mentioned measurement sheet 6, a horizontal flow type detection test sheet capable of detecting various analytical objects can be selected, but of course, another suitable measurement device 1 may be applied to the present invention. , Various measuring devices 1 can be combined and applied to the present invention, and a detection test strip is used as an example, but an analysis product in a sample (for example, an infection such as a drug or a metabolite indicating physical condition, a virus, or a bacterium) is used. The detection test strip for analyzing the source) can be in various forms, such as immunoassay or chemical analysis, and the detection test strip comprises a water-absorbing material having a sample receiving region, a reagent region and a measurement region, and the sample. Is added to the sample receiving region and flows into the reagent region through capillary action. In the reagent region, the presence of the analyte binds the sample to the reagent, after which the sample continues to flow into the detection region 9.

Specifically, the sampling device 2 is a sponge material having a high liquid absorption capacity, and more specifically, the sponge material is a material such as polyester or foam.

In a specific implementation process, as shown in FIG. 3, the liquid storage device 3 includes a tubular casing 10, and one end of the casing 10 is provided with a short screw port 11 for being screwed into the measuring device 1. A long screw port 12 is provided at the other end, a nut 13 is screwed into the long screw port 12, and a liquid storage area 19 for storing a buffer liquid is formed inside the nut 13 by an integrally molded partition plate 14. At the same time, a drainage tube 15 extending inward is fixedly connected on the partition plate 14, the liquid inside the liquid storage region 19 is led out by the drainage tube 15, and the casing 10 is provided with a rubber layer 17 in the central region thereof ( The other end of the drainage tube 15 is in contact with the rubber layer 17 to prevent liquid leakage), and the rubber layer 17 is provided with a notch 16 corresponding to the drainage tube 15, and the notch 16 is usually prevented from passing liquid. The drainage tube 15 enters the other region of the casing 10 through the notch 16 of the rubber layer 17, in which the sampling device 2 that reacts with the liquid is arranged and on the end face of the nut 13. A rubber seal plug 18 is provided from which the buffer can be injected into the liquid storage area 19.

The operating principle of the sample collection and detection device provided by the present invention is as follows: The sampling device 2 collects a liquid sample or a dry powder sample and is filled with the liquid sample or the dry powder sample. Is placed between the measuring device 1 and the liquid storage device 3, and the buffer liquid is released by rotating the nut 13 of the liquid storage device 3 to drive the drainage tube 15 and squeezing the notch 16 of the rubber layer 17. Then, the liquid is allowed to flow into the sampling device 2, and the liquid mixed at the end is injected into the measuring device 1 for detection. And improve the detection efficiency.

In the description of the present invention, the orientation or position indicated by terms such as "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", and "outside". Relationships are intended to illustrate and simplify the description of the present invention based on the orientations or positional relationships shown in the drawings, such devices or devices always having a particular orientation and configured in a particular orientation. And note that it cannot be understood as a limitation of the present invention, rather than indicating or implying that it will be manipulated.

The above is merely an embodiment of the present invention and does not limit the scope of the present invention, and is an equivalent structure or equivalent process modification made from the contents of the specification and drawings of the present invention, or directly or in other technical fields. All indirect applications should be included in the claims for utility model registration.

1 Measuring device 2 Sampling device 3 Liquid storage device 4 Housing 5 Lid 6 Measuring sheet 7 Transparent area 8 Sponge block 9 Detection area 10 Casing 11 Short screw cap 12 Long screw cap 13 Nut 14 Partition plate 15 Drainage tube 16 Notch 17 Rubber layer 18 Rubber seal plug 19 Liquid storage area

Claims (6)

Includes measuring device (1), sampling device (2) and liquid storage device (3).
The measuring device (1) and the liquid storage device (3) are screwed into the measuring device (1) and the liquid storage device (3).
The sampling device (2) is arranged between the measuring device (1) and the liquid storage device (3).
The measuring device (1) includes a housing (4), a lid (5) is detachably connected to the top end of the housing (4), and a measuring sheet (6) is inserted onto the lid (5). , The sponge block (8) is arranged inside the housing (4), and the detection region (9) is formed by the sponge block (8) and the housing (4).
The liquid storage device (3) includes a casing (10), in which a nut (13) is screwed into one end of the casing (10), and liquid is stored inside the nut (13) by an integrally molded partition plate (14). A region (19) is formed, a drainage tube (15) is fixedly mounted on the partition plate (14), a rubber layer (17) is provided inside the casing (10), and the rubber layer (17) is provided. ) Is provided with a notch (16) corresponding to the drainage tube (15). The sample collection and detection apparatus according to claim 1, wherein a transparent region (7) corresponding to the detection region (9) is provided on the housing (4). The sample collecting and detecting device according to claim 1, wherein the sampling device (2) is made of a sponge material having a high liquid absorption capacity. Short screw caps (11) and long screw caps (12) are provided at both ends of the casing (10), and the short screw caps (11) are used for screwing into the measuring device (1), and the long screw caps are used. The sample collecting and detecting apparatus according to claim 1, wherein the mouth (12) is used for screwing into the nut (13). The sample collecting and detecting apparatus according to claim 1, wherein the housing (4) and the lid (5) are connected by a screw. The sample collecting and detecting apparatus according to claim 1, wherein a rubber seal plug (18) is provided on the nut (13).

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