Detection device
By integrating the chamber shell, lysis buffer container, reservoir, and sampling device into the detection device, the sample and buffer solution can be mixed in a closed container, solving the problem of sample contamination and improving the simplicity and accuracy of the detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ASSURE TECH (HANGZHOU) CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-06-09
AI Technical Summary
In medical testing, sample mixing and sampling are cumbersome, and samples are easily contaminated, leading to inconvenience and inaccurate results.
A detection device was designed, including a cavity shell, a lysis buffer container, a reservoir, and a sampling element. The sampling element is used to pick up the sample and insert it into the lysis buffer container. The sealing membrane is cut open by the blade of the reservoir, allowing the buffer solution and the sample to mix in the sealed container. The mixed sample solution comes into contact with the test strip to carry out a colorimetric reaction, thus avoiding sample leakage and contamination.
It simplifies the operation process, avoids leakage and contamination of sample solution, and improves the accuracy and reliability of testing.
Smart Images
Figure CN224341540U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical testing technology, and in particular to a testing device. Background Technology
[0002] Medical testing typically requires staff to mix samples in a specific container, then drop the mixed specimen onto a testing device. The immunoassay principle is used to detect the presence of the analyte in the sample, thus completing the testing process. This process is not only cumbersome, but the sample mixing and subsequent sampling expose the sample to air, increasing the risk of sample spillage and even contamination. Utility Model Content
[0003] The purpose of this invention is to provide a detection device to alleviate the technical problems of inconvenient operation and easy sample contamination in existing detection devices.
[0004] In a first aspect, the detection device provided by this utility model includes: a cavity shell, a lysis buffer container, a liquid reservoir, and a sampling element;
[0005] The lysis buffer container is installed inside the cavity shell, and a gap cavity is formed between the lysis buffer container and the cavity shell, and a test strip is provided in the gap cavity;
[0006] The reservoir is movably connected to the cavity shell or the lysis buffer container, and the open end of the lysis buffer container is provided with a blade opposite to the reservoir.
[0007] The sampling device can be detachably inserted into the lysis solution container.
[0008] In conjunction with the first aspect, the present invention provides a first possible implementation of the first aspect, wherein the lysis solution container is provided with a stopper cap opposite to the sampling element;
[0009] As the sampling element is pushed into the lysis buffer container, it pushes against the stopper cap and causes the stopper cap to detach from the lysis buffer container.
[0010] In conjunction with the first aspect, this utility model provides a second possible implementation of the first aspect, wherein the reservoir is slidably fitted to the lysis liquid container, or the reservoir and the lysis liquid container are connected by a threaded connection.
[0011] In conjunction with the second possible implementation of the first aspect, the present invention provides a third possible implementation of the first aspect, wherein the lysis buffer container has a container portion and a bushing portion connected to the container portion;
[0012] The container part is inserted into the cavity shell, and the bushing part is connected to the cavity shell by a threaded connection;
[0013] The liquid reservoir is slidably fitted or threadedly connected to the bushing, and a first sealing ring is installed between the liquid reservoir and the bushing.
[0014] In conjunction with the third possible implementation of the first aspect, this utility model provides a fourth possible implementation of the first aspect, wherein a second sealing ring is installed between the inner wall of the cavity shell and the bushing portion.
[0015] In conjunction with the first aspect, this utility model provides a fifth possible implementation of the first aspect, wherein the sampling member includes: a rod and an end cap connecting the rod;
[0016] The rod passes through the reservoir and is detachably inserted into the lysis solution container.
[0017] In conjunction with the fifth possible implementation of the first aspect, this utility model provides a sixth possible implementation of the first aspect, wherein the end cap is fitted onto the liquid reservoir.
[0018] In conjunction with the fifth possible implementation of the first aspect, this utility model provides a seventh possible implementation of the first aspect, wherein the rod comprises: a first rod segment, a threaded rod segment, and a third rod segment, wherein the first rod segment, the threaded rod segment, and the third rod segment are connected in sequence;
[0019] With the threaded rod section engaged with the liquid reservoir, the rod is fixed axially relative to the liquid reservoir;
[0020] After the threaded rod segment is disengaged from the reservoir, the first rod segment slides axially into the reservoir.
[0021] In conjunction with the seventh possible implementation of the first aspect, this utility model provides an eighth possible implementation of the first aspect, wherein the third rod segment is provided with a sampling groove for dipping in a sample.
[0022] In conjunction with the first aspect, this utility model provides a ninth possible implementation of the first aspect, wherein the end of the reservoir facing the blade is sealed by a sealing membrane.
[0023] This utility model embodiment brings the following beneficial effects: a lysis buffer container is installed inside the chamber shell, and a gap cavity is formed between the lysis buffer container and the chamber shell. A test strip is placed in the gap cavity. A reservoir is movably connected to the chamber shell or the lysis buffer container. The open end of the lysis buffer container is provided with a blade opposite to the reservoir. A sampling element is detachably inserted into the lysis buffer container. The sampling element can be used to pick up the sample and insert it into the lysis buffer container. The reservoir can be operated relative to the lysis buffer container. The blade can cut the reservoir, allowing the buffer solution to flow into the lysis buffer container. This allows the sample and buffer solution to mix in the closed lysis buffer container. The mixed sample solution comes into contact with the test strip in the gap cavity, causing the test strip to produce a corresponding color. The operation is relatively simple and can avoid the sample solution from dripping out or being contaminated by external dirt, which is beneficial to improving the detection accuracy.
[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of this utility model, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0026] Figure 1 A cross-sectional view of the detection device provided in an embodiment of this utility model;
[0027] Figure 2 A schematic diagram of the lysis buffer container of the detection device provided in this embodiment of the present invention.
[0028] Icons: 001 - Cavity shell; 002 - Lysis solution container; 201 - Knife section; 202 - Plug cap; 203 - Container section; 204 - Bushing section; 003 - Reservoir; 301 - Sealing membrane; 004 - Sampling component; 401 - Rod; 402 - End cap; 411 - First rod segment; 412 - Threaded rod segment; 413 - Third rod segment; 005 - Gap cavity; 006 - First sealing ring; 007 - Second sealing ring. Detailed Implementation
[0029] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] 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 the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, the terms "first," "second," and "third" are only used to describe differences in name and should not be construed as indicating or implying relative importance. Physical quantities in formulas, unless otherwise specified, should be understood as basic quantities of the International System of Units (SI) base units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation, or integration.
[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] like Figure 1 and Figure 2 As shown, the detection device provided in this embodiment of the present invention includes: a cavity shell 001, a lysis buffer container 002, a reservoir 003, and a sampling element 004; the lysis buffer container 002 is installed inside the cavity shell 001, and a gap cavity 005 is formed between the lysis buffer container 002 and the cavity shell 001, and a test strip is provided in the gap cavity 005; the reservoir 003 is movably connected to the cavity shell 001 or the lysis buffer container 002, and the open end of the lysis buffer container 002 is provided with a blade 201 opposite to the reservoir 003; the sampling element 004 is detachably inserted into the lysis buffer container 002.
[0033] During testing, the sampling element 004 first picks up the sample and then inserts it into the lysis buffer container 002. Next, the reservoir 003 is moved relative to the chamber shell 001 or the lysis buffer container 002, causing a vulnerable part on the reservoir 003 to contact the blade 201. This cuts the reservoir 003, allowing the internal buffer solution to flow into the lysis buffer container 002. The sample and buffer solution mix within the lysis buffer container 002 and then come into contact with the test strip in the gap chamber 005, enabling the test strip to develop the corresponding color. During the test, the sample solution does not need to be exposed to air; the sample and buffer solution are mixed within the sealed lysis buffer container 002, preventing sample leakage and contamination, thus improving detection accuracy.
[0034] It should be noted that the chamber shell 001 can be made entirely or partially transparent to allow observation of the color development results of the test strip inside. Alternatively, the chamber shell 001 and the lysis buffer container 002 can be separated after testing to observe the test strip inside the chamber shell 001.
[0035] Alternatively, in an optional embodiment, a hole can be made in the side wall of the lysis buffer container 002 to connect to the inner cavity of the cavity shell 001, through which the mixed sample solution can contact the test strip.
[0036] In this embodiment of the invention, the lysis buffer container 002 is provided with a stopper 202 opposite to the sampling member 004; the sample and buffer solution are fully mixed in the lysis buffer container 002, and after the mixing is completed by shaking, the sampling member 004 is pushed into the lysis buffer container 002, the sampling member 004 pushes against the stopper 202 and causes the stopper 202 to detach from the lysis buffer container 002, thereby releasing the fully mixed sample solution into the chamber shell 001, and the test results are more accurate.
[0037] like Figure 1 As shown, in an optional embodiment, the reservoir 003 is slidably fitted to the lysis buffer container 002, or the reservoir 003 and the lysis buffer container 002 are connected by a threaded connection.
[0038] When the reservoir 003 is slidably fitted into the lysis buffer container 002, pressing can drive the reservoir 003 to slide relative to the lysis buffer container 002, thereby enabling the blade 201 to perform a piercing action to release the buffer solution; when the reservoir 003 and the lysis buffer container 002 are threadedly fitted, the reservoir 003 needs to be rotated relative to the lysis buffer container 002, and the threaded fit causes the reservoir 003 to move axially relative to the lysis buffer container 002, thereby enabling the blade 201 to perform piercing and cutting actions.
[0039] In addition, the end of the reservoir 003 facing the blade 201 is sealed by the sealing membrane 301, which reduces the force required for the blade 201 to pierce and cut the sealing membrane 301, making the testing operation easier.
[0040] like Figure 1 and Figure 2 As shown, the lysis buffer container 002 has a container portion 203 and a bushing portion 204 connecting the container portion 203; the container portion 203 is inserted into the cavity shell 001, and the bushing portion 204 is connected to the cavity shell 001 by a threaded connection; the reservoir 003 is slidably fitted or threadedly connected to the bushing portion 204, and a first sealing ring 006 is installed between the reservoir 003 and the bushing portion 204. The bushing portion 204 and the container portion 203 are connected by a perforated device to allow the buffer solution to enter the container portion 203 through the perforation. The first sealing ring 006 ensures a tight seal between the reservoir 003 and the bushing portion 204, preventing external air or contaminants from entering the container portion 203 and contaminating the sample solution.
[0041] Furthermore, a second sealing ring 007 is installed between the inner wall of the cavity shell 001 and the bushing part 204. The second sealing ring 007 can prevent outside air or other contaminants from entering the gap cavity 005. The sample liquid and the test strip react in a fully enclosed state, and the test results are more accurate.
[0042] like Figure 1 As shown, in an optional embodiment, the sampling component 004 includes: a rod 401 and an end cap 402 connecting the rod 401; the rod 401 passes through the reservoir 003 and is detachably inserted into the lysis buffer container 002. The reservoir 003 is separated from its inner cavity by the hole in the rod 401, resulting in a more compact detection device structure.
[0043] Furthermore, the end cap 402 is fitted onto the liquid reservoir 003, making the relative positions of the rod 401, end cap 402, and liquid reservoir 003 more stable.
[0044] In an optional embodiment, the rod 401 includes a first rod segment 411, a threaded rod segment 412, and a third rod segment 413, which are connected sequentially. With the threaded rod segment 412 engaged with the reservoir 003, the rod 401 is axially fixed relative to the reservoir 003. Pushing the end cap 402 causes the rod 401 and the reservoir 003 to move axially together, allowing the blade 201 to puncture the sealing membrane 301. Subsequently, the threaded rod segment 412 is screwed off from the reservoir 003, and the first rod segment 411 slides axially into the reservoir 003. Continuing to push the end cap 402 causes the rod 401 to slide relative to the reservoir 003, and the end of the third rod segment 413 pushes against the bottom of the lysis solution container 002, thereby creating an opening at the bottom of the lysis solution container 002 and releasing the sample solution into the gap cavity 005.
[0045] In an optional embodiment, the bottom end of the lysis buffer container 002 can be configured as a thin-walled structure that is easily punctured by the third rod segment 413. Of course, when the stopper 202 is interference-fitted to the bottom end of the lysis buffer container 002, the third rod segment 413 can also push the stopper 202 away from the opening at the bottom end of the lysis buffer container 002, thereby completing the release of the sample solution.
[0046] In an optional embodiment, the third rod segment 413 is provided with a sampling groove for picking up samples. The sampling groove may extend along a spiral line, or multiple annular sampling grooves may be arranged at intervals along the axial direction of the third rod segment 413, which can increase the amount of sample that the third rod segment 413 can pick up.
[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A detection device, characterized in that, include: The chamber shell (001), the lysis buffer container (002), the reservoir (003), and the sampling device (004); The lysis buffer container (002) is installed inside the cavity shell (001), and a gap cavity (005) is formed between the lysis buffer container (002) and the cavity shell (001), and a test strip is provided in the gap cavity (005); The reservoir (003) is movably connected to the cavity shell (001) or the pyrolysis liquid container (002), and the open end of the pyrolysis liquid container (002) is provided with a blade (201) opposite to the reservoir (003); The sampling component (004) is detachably inserted into the lysis solution container (002).
2. The detection device according to claim 1, characterized in that, The lysis buffer container (002) is provided with a stopper (202) opposite to the sampling member (004); As the sampling element (004) is pushed into the lysis solution container (002), the sampling element (004) pushes against the stopper cap (202) and causes the stopper cap (202) to detach from the lysis solution container (002).
3. The detection device according to claim 1 or 2, characterized in that, The reservoir (003) is slidably fitted to the pyrolysis liquid container (002), or the reservoir (003) and the pyrolysis liquid container (002) are connected by a threaded connection.
4. The detection device according to claim 3, characterized in that, The lysis buffer container (002) has a container section (203) and a bushing section (204) connected to the container section (203); The container part (203) is inserted into the cavity shell (001), and the bushing part (204) is connected to the cavity shell (001) by a threaded connection; The reservoir (003) is slidably fitted or threadedly connected to the bushing (204), and a first sealing ring (006) is installed between the reservoir (003) and the bushing (204).
5. The detection device according to claim 4, characterized in that, A second sealing ring (007) is installed between the inner wall of the cavity shell (001) and the bushing portion (204).
6. The detection device according to claim 1, characterized in that, The sampling component (004) includes: a rod (401) and an end cap (402) connecting the rod (401); The rod (401) passes through the reservoir (003) and is detachably inserted into the pyrolysis liquid container (002).
7. The detection device according to claim 6, characterized in that, The end cap (402) is fitted onto the liquid reservoir (003).
8. The detection device according to claim 6, characterized in that, The rod (401) includes: a first rod segment (411), a threaded rod segment (412), and a third rod segment (413), wherein the first rod segment (411), the threaded rod segment (412), and the third rod segment (413) are connected in sequence; With the threaded rod segment (412) engaged with the reservoir (003), the rod (401) is fixed axially relative to the reservoir (003); After the threaded rod segment (412) is de-threaded from the reservoir (003), the first rod segment (411) slides axially onto the reservoir (003).
9. The detection device according to claim 8, characterized in that, The third rod segment (413) is provided with a sampling groove for dipping samples.
10. The detection device according to claim 1, characterized in that, The end of the reservoir (003) facing the blade (201) is sealed by a sealing membrane (301).