Sampling device
By designing a movable sampling component, direct mixing of the sample and buffer solution is achieved, which solves the problem of transfer and mixing required in traditional devices and improves operational convenience and detection accuracy.
Patent Information
- Application Number
- CN202422442697.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-09
AI Technical Summary
Traditional sample collection devices require transferring the sample into a buffer solution for mixing, which is complex to operate and fails to effectively combine the sampling and buffer solution mixing steps.
A sampling device is designed, including a liquid storage bottle, a bottle cap component and a sampling component. The sampling component can move between a sampling position and a testing position. The bottle mouth is sealed during sampling, and the bottle mouth is opened during testing to allow the buffer solution to flush the sampling component, thereby achieving direct mixing of the sample and the buffer solution.
The operation process is simplified, the effective combination of sampling and buffer mixing is achieved, and the convenience and accuracy of detection are improved.
Smart Images
Figure CN223332678U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sample sampling, in particular to a sampling device. Background Art
[0002] With the in-depth development of modern biomedical research, efficient and convenient sample collection and processing technologies have become key links in scientific research and clinical applications. In many sample processing processes, mixing samples with buffer is one of the fundamental steps to ensure sample activity, stability, and subsequent test accuracy.
[0003] After obtaining a sample, traditional sample collection devices must place it in a buffer solution to ensure thorough mixing of the two for subsequent testing. However, these traditional devices can only transfer the sample to the buffer solution after sampling. This multi-step process is not only complex but also fails to effectively integrate the sampling and buffer mixing steps. Utility Model Content
[0004] The purpose of the utility model is to provide a sampling device to alleviate the technical problem that the sample collection device in the prior art can only transfer the sample into a buffer solution after the sample is completed, involves multiple steps, is complicated to operate, and fails to effectively combine the two steps of sampling and mixing the buffer solution.
[0005] The sampling device provided by the utility model comprises a liquid storage bottle, a bottle cover component and a sampling component;
[0006] The liquid storage bottle is used to store buffer solution;
[0007] The bottle cap component is connected to the bottle mouth of the liquid storage bottle;
[0008] One end of the sampling member extends through the bottle cap member into the liquid storage bottle, the sampling member is used to obtain a sample, and the sampling member is configured to be able to perform telescopic movement relative to the liquid storage bottle, so that the sampling member moves between a sampling position and a testing position;
[0009] When the sampling member is in the sampling position, the end of the sampling member close to the liquid storage bottle blocks the bottle opening of the liquid storage bottle;
[0010] When the sampling member is in the testing position, the sampling member moves in a direction extending into the liquid storage bottle, so that the bottle mouth of the liquid storage bottle is opened, and the buffer solution flushes the sampling member and then flows out.
[0011] In an alternative embodiment,
[0012] The bottle cap component includes a bottle cap body and a connecting pipe;
[0013] The bottle cap body is detachably connected to the bottle mouth of the liquid storage bottle. The bottle cap body has an opening, the connecting tube is connected to the opening, the connecting tube is configured as a hollow structure, and the sampling member is configured through the connecting tube.
[0014] In an alternative embodiment,
[0015] The sampling member includes a sampling head;
[0016] The sampling head is used to obtain samples; when in the sampling position, the sampling head extends out of the connecting tube; when in the testing position, the sampling head is entirely placed in the connecting tube.
[0017] In an alternative embodiment,
[0018] The sampling member further includes a communication body;
[0019] The connecting body is connected to one end of the sampling head close to the liquid storage bottle. The connecting body has a plurality of connecting channels, and the connecting channels can allow the buffer solution in the liquid storage bottle to flow into the sampling head.
[0020] In an alternative embodiment,
[0021] When in the sampling position, the communicating body is located in the connecting tube;
[0022] When in the testing position, the communicating body is located in the liquid storage bottle.
[0023] In an alternative embodiment,
[0024] The communication body includes a plurality of support columns;
[0025] One end of each of the plurality of support columns is connected to the sampling head, and a gap is provided between any two adjacent support columns to form the communication channel.
[0026] In an alternative embodiment,
[0027] The sampling member further includes a blocking body;
[0028] The blocking body is connected to one end of the communicating body away from the sampling head. When in the sampling position, the blocking body is located in the bottle mouth of the liquid storage bottle to block the bottle mouth of the liquid storage bottle.
[0029] In an alternative embodiment,
[0030] A sealing groove is provided on the outer circumference of the blocking body, and the sealing groove is used to install a sealing ring so that the blocking body can be sealed with the bottle mouth of the liquid storage bottle.
[0031] In an alternative embodiment,
[0032] The sampling component further includes a protective cover; the protective cover is provided on the connecting tube and the sampling component.
[0033] In an alternative embodiment,
[0034] The liquid storage bottle is made of transparent soft material.
[0035] The sampling device provided by the utility model stores buffer solution in the liquid storage bottle, one end of the sampling component passes through the bottle cap component on the liquid storage bottle and extends into the liquid storage bottle, and the sampling component can move in the direction of extending into the liquid storage bottle or in the direction of extending out of the liquid storage bottle, so that the sampling component moves between the sampling position and the testing position. When sampling, the sampling component is close to the end of the liquid storage bottle to seal the bottle mouth of the liquid storage bottle, and the buffer solution in the liquid storage bottle cannot flow out, and the sampling operation is performed. When testing is required, the sampling component moves in the direction of extending into the liquid storage bottle, the bottle mouth of the liquid storage bottle is opened, and the buffer solution flows out of the bottle mouth of the liquid storage bottle to flush the sampling component. The sample to be tested obtained after flushing can be directly used for detection and judgment whether the sample contains the analyte. The device effectively combines sampling and buffer solution mixing, is more convenient to operate, and alleviates the technical problem that the sample collection device in the prior art can only transfer the sample to the buffer solution after the sampling is completed, involves multiple steps, is complicated to operate, and fails to effectively combine the two steps of sampling and buffer solution mixing. BRIEF DESCRIPTION OF THE DRAWINGS
[0036] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0037] Figure 1 An exploded view of the overall structure of the sampling device provided in an embodiment of the utility model;
[0038] Figure 2 A cross-sectional view of the structure of the sampling device provided by an embodiment of the present utility model when it is in a testing position;
[0039] Figure 3 This is a structural cross-sectional view of the sampling device provided by an embodiment of the present utility model when it is in the detection position.
[0040] Icon: 100-liquid storage bottle; 200-bottle cap component; 210-bottle cap body; 220-connecting tube; 300-sampling component; 310-sampling head; 320-connecting body; 330-sealing body; 340-sealing ring; 400-protective cover. DETAILED DESCRIPTION
[0041] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0042] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0043] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0044] The following is a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.
[0045] like Figure 1 、 Figure 2 and Figure 3 As shown, the sampling device provided in this embodiment includes a liquid storage bottle 100, a bottle cap component 200 and a sampling component 300; the liquid storage bottle 100 is used to store buffer solution, the liquid storage bottle 100 is a bottle-package structure, and has a bottle mouth at the end, the bottle cap component 200 is connected to the bottle mouth of the liquid storage bottle 100, and the bottle cap component 200 and the bottle mouth of the liquid storage bottle 100 can be connected by threads.
[0046] One end of the sampling member 300 passes through the bottle cap member 200 and extends into the liquid storage bottle 100. The sampling member 300 is used to obtain samples, and the sampling member 300 is configured to be able to perform telescopic movement relative to the liquid storage bottle 100 so that the sampling member 300 can move between a sampling position and a testing position.
[0047] When the sampling component 300 is in the sampling position, the sampling component 300 is close to the end of the liquid storage bottle 100 to block the bottle mouth of the liquid storage bottle 100. The bottle mouth of the liquid storage bottle 100 is blocked, and the buffer solution in the liquid storage bottle 100 cannot flow out. The sampling component 300 performs a sample acquisition operation to perform sampling.
[0048] When sampling is completed and testing is required, the sampling component 300 is in the test position, and the sampling component 300 moves in the direction of extending into the liquid storage bottle 100 to open the bottle mouth of the liquid storage bottle 100. The buffer solution is squeezed through the soft bottle body to flush the sampling component 300 and then flows out, so that the buffer solution is fully in contact with and mixed with the sample on the sampling component 300, saving the sample transfer and mixing operation after sampling.
[0049] The sampling device provided by the utility model stores buffer solution in the liquid storage bottle, one end of the sampling component passes through the bottle cap component on the liquid storage bottle and extends into the liquid storage bottle, and the sampling component can move in the direction of extending into the liquid storage bottle or in the direction of extending out of the liquid storage bottle, so that the sampling component moves between the sampling position and the testing position. When sampling, the sampling component is close to the end of the liquid storage bottle to seal the bottle mouth of the liquid storage bottle, and the buffer solution in the liquid storage bottle cannot flow out, and the sampling operation is performed. When testing is required, the sampling component moves in the direction of extending into the liquid storage bottle, the bottle mouth of the liquid storage bottle is opened, and the buffer solution flows out of the bottle mouth of the liquid storage bottle to flush the sampling component. The sample to be tested obtained after flushing can be directly used for detection and judgment whether the sample contains the analyte. The device effectively combines sampling and buffer solution mixing, is more convenient to operate, and alleviates the technical problem that the sample collection device in the prior art can only transfer the sample to the buffer solution after the sampling is completed, involves multiple steps, is complicated to operate, and fails to effectively combine the two steps of sampling and buffer solution mixing.
[0050] Regarding the structure and shape of the bottle cap member 200, specifically:
[0051] The bottle cap component 200 includes a bottle cap body 210 and a connecting tube 220. The bottle cap body 210 is a cap-shaped structure. The bottle cap body 210 is detachably connected to the bottle mouth of the liquid storage bottle 100. Specifically, an internal thread section is provided on the inner wall of the bottle cap body 210, and an external thread section is provided on the bottle mouth of the liquid storage bottle 100. The internal thread section is threadedly connected to the external thread section to realize the threaded connection between the bottle cap body 210 and the bottle mouth of the liquid storage bottle 100.
[0052] The bottle cap body 210 has an opening, which is located in the middle of the bottle cap body 210. One end of the connecting tube 220 is connected to the opening. The connecting tube 220 is set to a hollow structure. The sampling component 300 is set through the connecting tube 220. When in the test position, the sampling component 300 can be placed in the connecting tube 220 as a whole, so that the buffer solution in the liquid storage bottle 100 flows out from the bottle mouth and into the connecting tube 220. The buffer solution is fully contacted and mixed with the sampling component 300 in the connecting tube 220. After mixing, it flows out from the end opening of the connecting tube 220 away from the liquid storage bottle 100.
[0053] Regarding the structure and shape of the sampling member 300, specifically:
[0054] The sampling component 300 includes a sampling head 310; the sampling head 310 is used to obtain samples; when in the sampling position, the sampling head 310 extends out of the connecting tube 220, making it convenient for the user to use the sampling head 310 to obtain samples. When in the testing position, the sampling head 310 is placed as a whole in the connecting tube 220, and the buffer solution in the liquid storage bottle 100 flows out from the bottle mouth to flush the sampling head 310. It should be noted that the specific type of the sampling head 310 depends on the sample to be sampled. The sample can be nasal, oral, saliva, urine, blood, feces and other types. The sampling head 310 is replaced with different types according to the sample to be sampled.
[0055] The sampling component 300 also includes a connecting body 320; the connecting body 320 is connected to one end of the sampling head 310 close to the liquid storage bottle 100, and the connecting body 320 has a plurality of connecting channels, which are evenly spaced along the central axis of the liquid storage bottle 100. The buffer solution in the liquid storage bottle 100 flows into the sampling head 310 through the connecting channels, so that the buffer solution can fully flush the sampling head 310.
[0056] When in the sampling position, the connecting body 320 is located in the connecting tube 220 ; when in the testing position, the connecting body 320 is located in the liquid storage bottle 100 .
[0057] The communication body 320 specifically includes a plurality of support columns; one end of each of the plurality of support columns is connected to the sampling head 310 , and there is a gap between any two adjacent support columns, and the gap forms a communication channel.
[0058] In an optional embodiment, the sampling head 310 and the connecting body 320 are detachably connected, and the detachable connection can be achieved by bonding, so that the sampling head 310 can be freely replaced.
[0059] The sampling component 300 also includes a blocking body 330, which is a cylindrical structure. The blocking body 330 is connected to the end of the connecting body 320 away from the sampling head 310. When in the sampling position, the blocking body 330 is located in the bottle mouth of the liquid storage bottle 100 to block the bottle mouth of the liquid storage bottle 100.
[0060] In an optional embodiment, a sealing groove is provided on the outer circumference of the sealing body 330, and the sealing groove is formed by the outer circumference of the sealing body 330 being recessed inwardly. A sealing ring 340 is installed in the sealing groove. The sealing ring 340 in the sealing groove can contact the inner wall of the bottle mouth of the liquid storage bottle 100, so that the sealing body 330 can be sealed with the bottle mouth of the liquid storage bottle 100, ensuring that the buffer solution in the liquid storage bottle 100 cannot flow out when in the sampling position.
[0061] In an optional embodiment, the sampling member 300 further includes a protective cover 400 ; the protective cover 400 is provided to cover the connecting tube 220 and the sampling member 300 , and when not in use, the protective cover 400 protects the sampling member 300 and prevents the sampling member 300 from being contaminated by the outside world.
[0062] In an optional embodiment, the liquid storage bottle 100 is set to a transparent soft material. When testing is required, the sampling component 300 is moved to the test position. Since the liquid storage bottle 100 is made of soft material, the liquid storage bottle 100 is pressed, and the buffer solution flows out to flush the sampling component 300, and the buffer solution is fully mixed with the sample.
[0063] The sampling device provided in this embodiment can obtain different samples by selecting different sampling heads 310; it realizes multi-purpose functions and can be used to test different samples, solving the problem of single functionality of most products on the market; through the extension and retraction of the sampling component 300, the space of the product is effectively utilized, and a perfect connection between sealing and opening is achieved; this device can fully flush the sample and fully mix it with the buffer solution, thereby improving the accuracy of the test.
[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A sampling device, characterized in that: It comprises a liquid storage bottle (100), a bottle cap component (200) and a sampling component (300); The liquid storage bottle (100) is used for storing buffer solution; The bottle cap component (200) is connected to the bottle mouth of the liquid storage bottle (100); One end of the sampling member (300) passes through the bottle cap member (200) and extends into the liquid storage bottle (100). The sampling member (300) is used to obtain a sample, and the sampling member (300) is configured to be capable of performing telescopic movement relative to the liquid storage bottle (100) so as to move the sampling member (300) between a sampling position and a testing position. When the sampling member (300) is in the sampling position, the sampling member (300) is close to the end of the liquid storage bottle (100) to block the bottle mouth of the liquid storage bottle (100); When the sampling member (300) is in the testing position, the sampling member (300) moves in a direction extending into the liquid storage bottle (100) so that the bottle mouth of the liquid storage bottle (100) is opened, and the buffer solution flushes the sampling member (300) and then flows out.
2. The sampling device according to claim 1, characterized in that The bottle cap component (200) comprises a bottle cap body (210) and a connecting pipe (220); The bottle cap body (210) is detachably connected to the bottle mouth of the liquid storage bottle (100); the bottle cap body (210) has an opening; the connecting tube (220) is connected to the opening; the connecting tube (220) is configured as a hollow structure; and the sampling member (300) is disposed through the connecting tube (220).
3. The sampling device according to claim 2, characterized in that The sampling member (300) includes a sampling head (310); The sampling head (310) is used to obtain a sample; when in the sampling position, the sampling head (310) extends out of the connecting tube (220); when in the testing position, the sampling head (310) is entirely placed in the connecting tube (220).
4. The sampling device according to claim 3, characterized in that The sampling member (300) further includes a communication body (320); The connecting body (320) is connected to one end of the sampling head (310) close to the liquid storage bottle (100), and the connecting body (320) has a plurality of connecting channels, and the connecting channels can allow the buffer solution in the liquid storage bottle (100) to flow into the sampling head (310).
5. The sampling device according to claim 4, characterized in that When in the sampling position, the communication body (320) is located in the connecting tube (220); When in the testing position, the communication body (320) is located in the liquid storage bottle (100).
6. The sampling device according to claim 5, characterized in that The communication body (320) includes a plurality of support columns; One end of each of the plurality of support columns is connected to the sampling head (310), and a gap exists between any two adjacent support columns to form the communication channel.
7. The sampling device according to claim 4, characterized in that The sampling member (300) further includes a blocking body (330); The blocking body (330) is connected to an end of the connecting body (320) away from the sampling head (310). When in the sampling position, the blocking body (330) is located in the bottle mouth of the liquid storage bottle (100) to block the bottle mouth of the liquid storage bottle (100).
8. The sampling device according to claim 7, characterized in that The outer circumference of the blocking body (330) is provided with a sealing groove, and the sealing groove is used to install a sealing ring (340) so that the blocking body (330) can be sealed with the bottle mouth of the liquid storage bottle (100).
9. The sampling device according to claim 2, characterized in that The sampling component (300) further includes a protective cover (400); the protective cover (400) is provided to cover the connecting tube (220) and the sampling component (300).
10. The sampling device according to any one of claims 1 to 9, characterized in that: The liquid storage bottle (100) is made of a transparent soft material.