Sampling device for gene detection

Abstract

The utility model discloses a sampling device for gene detection, which belongs to the technical field of medical detection and comprises a storage component and a separated liquid injection component, a telescopic collection component matched with the storage component to collect saliva is mounted at the upper end of the storage component, and the separated liquid injection component comprises a liquid storage component and a support component. By means of the mode, after saliva collection is completed, the process of injecting the preservation liquid and mixing the sample liquid can be in a sealed state, pollution of the sample liquid is reduced, the stability of the device is further improved through threaded connection, the preservation liquid injection device and the collection device are integrated after being connected, and mixing, preservation and sampling are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical detection, in particular to a sampling device for gene detection. Background Art

[0002] In the prior art, a collection funnel is usually connected to a sampling tube, saliva is spit into the funnel container, the funnel is rotated to separate it from the collection tube below, a preservation solution is added to the collection tube, a sealing cap is taken out and the cap is tightened, the collected saliva sample is sealed, and the collection tube is reversed or turned upside down to mix the saliva and the saliva preservation solution so that the saliva is fully mixed.

[0003] Among many existing technologies, Chinese patent application CN215227862U discloses a portable saliva collection device for genetic testing, including a collection funnel, a lower tube body and a dripper upper tube. The top of the collection funnel is connected to a collection tube mouth, the bottom of the collection funnel is connected to a rotating circular tube, a connecting tube is movably installed on the outside of the rotating circular tube, an end of the rotating circular tube away from the collection funnel is connected to a drainage tube, a telescopic tube is fixedly installed on the outside of the collection funnel, the top of the lower tube body is connected to an upper tube body, the bottom of the dripper upper tube is connected to a dripper lower tube, and a conical guide tube is fixedly installed inside the dripper upper tube and the dripper lower tube.

[0004] However, the connecting parts in this patent application are relatively simple, and saliva is directly added to the diluent for mixing. The sampled mixed liquid has poor effect and poor preservation. It will still come into contact with air during sampling, and the sampling process of the mixed liquid loses a certain degree of effectiveness.

[0005] Based on this, the utility model designs a sampling device for gene detection to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a sampling device for gene detection.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A sampling device for gene detection, comprising a storage component and a separate liquid injection component, wherein a telescopic collection component used in conjunction with the storage component to collect saliva is installed on the upper end of the storage component, and the separate liquid injection component comprises a liquid storage component and a support component;

[0009] The liquid storage assembly comprises a sealing cover, a liquid storage cylinder, an upper film and a lower film; the inner wall of the sealing cover is detachably connected to the outer wall of the upper end of the liquid storage cylinder, the upper end surface of the liquid storage cylinder is fixedly connected to the upper film that closes its upper end, and the lower end surface of the liquid storage cylinder is fixedly connected to the lower film that closes its lower end;

[0010] The support assembly includes a support cylinder, a liquid guide block, a handle, and a groove; the inner wall of the support cylinder is detachably connected to the outer wall of the lower end of the liquid storage cylinder, the liquid guide block is fixedly connected to the lower end of the support cylinder, the outer wall of the liquid guide block is in close contact with the inner wall of the lower end of the liquid storage cylinder, the handle is fixedly installed on the outer wall of the support cylinder, a groove is provided on the outer wall of the lower end of the support cylinder, the outer wall of the support cylinder can be detachably connected to the storage assembly in a matching manner, and the outer wall of the lower end of the support cylinder can be clamped with the telescopic collection assembly in a matching manner;

[0011] Furthermore, the storage assembly includes a collection tube and a connection cavity; a connection cavity is fixedly installed on the upper end surface of the collection tube, and the inner wall of the connection cavity is detachably connected to the outer wall of the support cylinder.

[0012] Furthermore, the telescopic collection assembly includes a telescopic funnel and a convex block; the lower pipe orifice of the telescopic funnel is fixedly connected to the inner wall of the collection tube, and a convex block for clamping with the groove in a matching manner is fixedly connected to the inner wall of the lower pipe orifice of the telescopic funnel.

[0013] Furthermore, the storage assembly further includes a first internal thread; a first internal thread is provided on the inner wall of the connection cavity, and a first external thread capable of being threadedly connected with the first internal thread in a matching manner is provided on the outer wall of the support cylinder; the liquid storage assembly further includes a second internal thread and a second external thread; a second internal thread is provided on the inner wall of the sealing cover, and a second external thread for being threadedly connected with the second internal thread in a matching manner is provided on the upper end outer wall of the liquid storage cylinder; the liquid storage assembly further includes a third external thread, and the support assembly further includes a third internal thread; a third external thread is provided on the outer wall of the lower end of the liquid storage cylinder, and a third internal thread for being threadedly connected with the third external thread in a matching manner is provided on the inner wall of the support cylinder.

[0014] Furthermore, the size of the telescopic funnel is smaller than that of the connection cavity, and the height is higher than that of the connection cavity when stretched to the maximum state.

[0015] Furthermore, a circular liquid guide hole is provided in the middle of the liquid guide block.

[0016] Furthermore, two conical blocks are fixedly installed at the upper end of the liquid guide block.

[0017] Furthermore, the thread directions of the second internal thread and the second external thread are the same as those of the third external thread and the third internal thread.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: 1. When the present utility model is in use, saliva flows into the storage component through the telescopic collection component. When it is necessary to add the preservation solution, by controlling the handle, the support cylinder is connected to the connection cavity, and the liquid storage cylinder is controlled to be connected to the support cylinder. When the liquid storage cylinder moves downward, the lower film is punctured by the liquid guide block, and the preservation solution in the liquid storage cylinder flows out through the liquid guide block, flows through the telescopic collection component, enters the storage component, and is mixed with saliva to form a sample solution; when it is necessary to shake the saliva and the mixed solution evenly, at this time, the lower end of the support cylinder is tightly clamped with the inner wall of the collection tube, the inner wall of the connection cavity is threadedly connected with the outer wall of the support cylinder, and the sealing cover threadedly connected with the liquid storage cylinder through the second internal thread and the second external thread isolates the outside contact, realizing the sealing performance during the process of preserving saliva. The saliva and the preservation solution are shaken evenly by turning upside down, so as to obtain a sample solution with less pollution; when it is necessary to collect the sample solution, the sealing cover is rotated and opened, and the upper film is punctured with a cotton swab, so as to dip and obtain the sample solution in the storage component;

[0019] 2. When the present utility model is in use, both saliva and the preservation solution are stored in the collection tube. The connection cavity is connected with the outer wall of the support cylinder to realize the stable connection of the device; when it is necessary to collect saliva, saliva is added through the telescopic funnel. The saliva flows out from the lower pipe orifice of the telescopic funnel and enters the collection tube; the convex block is engaged with the lower groove of the support cylinder to ensure the stability of the sampling device during the shaking process;

[0020] 3. When the present utility model is in use, by rotating the handle, the connection cavity and the support cylinder are threadedly connected, making the connection more tight and stable; the sealing cover is threadedly connected with the liquid storage cylinder, and the sealing performance is better; by controlling the connection of the third external thread and the third internal thread, the liquid storage cylinder gradually moves downward and uses the liquid guide block to puncture the lower film, so that the preservation solution flows out of the liquid storage cylinder;

[0021] 4. When the present utility model is in use, the telescopic funnel is compressed by the support cylinder, and its size is smaller than that of the connection cavity. The outer wall of the support cylinder can be threadedly connected with the inner wall of the connection cavity as much as possible, increasing the connection range and making the device more stable; when the telescopic funnel is higher than the connection cavity, it is convenient for saliva to enter the telescopic funnel;

[0022] 5. When the present utility model is in use, after the liquid guide block punctures the lower film, there is no need to lift the liquid storage cylinder, and the preservation solution directly flows into the collection tube through the circular guide hole, making the addition of the preservation solution faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 Stereoscopic view of a sampling device for gene detection of the present utility model Figure 1 ;

[0025] Figure 2 Front view of a sampling device for gene detection of the present utility model;

[0026] Figure 3 Along Figure 2 Section view along the A-A direction of Figure 1 ;

[0027] Figure 4 Along Figure 2 Section view along the A-A direction of Figure 2 ;

[0028] Figure 5 Partial sectional view of the liquid storage component of the present utility model along Figure 2 the A-A direction of Figure 3 ;

[0029] Figure 6 is Figure 4 The enlarged view at B in

[0030] The reference numerals in the figure respectively represent:

[0031] 1. Storage component; 11. Collection tube; 12. Connection cavity; 13. First internal thread; 2. Telescopic collection component; 21. Telescopic funnel; 22. Protrusion; 3. Detachable liquid injection component; 31. Liquid storage component; 311. Sealing cover; 312. Second internal thread; 313. Second external thread; 314. Liquid storage cylinder; 315. Third external thread; 316. Upper film; 317. Lower film; 32. Support component; 321. Support cylinder; 322. Third internal thread; 323. Liquid guide block; 324. Handle; 325. First external thread; 326. Groove. Specific embodiments

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0033] The "left", "right", "front", "rear", "upper", and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0034] Embodiment 1: In some embodiments, please refer to the accompanying drawings of the specificationFigures 1 - 6 , a sampling device for gene detection, including a storage component 1, and also including a separable liquid injection component 3. An upper end of the storage component 1 is installed with a telescopic collection component 2 for collecting saliva in cooperation with the storage component 1. The separable liquid injection component 3 includes a liquid storage component 31 and a support component 32;

[0035] The liquid storage component 31 includes a sealing cover 311, a liquid storage cylinder 314, an upper thin film 316 and a lower thin film 317; an inner wall of the sealing cover 311 is detachably connected to an outer wall of an upper end of the liquid storage cylinder 314. An upper end surface of the liquid storage cylinder 314 is fixedly connected with an upper thin film 316 that closes its upper end, and a lower end surface of the liquid storage cylinder 314 is fixedly connected with a lower thin film 317 that closes its lower end;

[0036] The support component 32 includes a support cylinder 321, a liquid guiding block 323, a handle 324 and a groove 326; an inner wall of the support cylinder 321 is detachably connected to an outer wall of a lower end of the liquid storage cylinder 314. The liquid guiding block 323 is fixedly connected to a lower end of the support cylinder 321. An outer wall of the liquid guiding block 323 is in close contact with an inner wall of a lower end of the liquid storage cylinder 314. The handle 324 is fixedly installed on an outer wall of the support cylinder 321. A groove 326 is formed in an outer wall of a lower end of the support cylinder 321. An outer wall of the support cylinder 321 can be detachably connected to the storage component 1 in cooperation, and a lower end outer wall of the support cylinder 321 can be clamped with the telescopic collection component 2.

[0037] When the utility model is in use, saliva flows into the storage component 1 through the telescopic collection component 2. When it is necessary to add a preservation liquid, by controlling the handle 324, the support cylinder 321 is connected to the connection cavity 12, and the liquid storage cylinder 314 is controlled to be connected to the support cylinder 321. When the liquid storage cylinder 314 moves downward, the lower thin film 317 is punctured by the liquid guiding block 323, and the preservation liquid in the liquid storage cylinder 314 flows out through the liquid guiding block 323, flows through the telescopic collection component 2, and enters the storage component 1 to be mixed with the saliva to form a sample solution; when it is necessary to collect the sample solution, the sealing cover 311 is rotated and opened, and the upper thin film 316 is punctured with a cotton swab, so as to dip and obtain the sample solution in the storage component 1.

[0038] The storage component 1 includes a collection tube 11 and a connection cavity 12; an upper end surface of the collection tube 11 is fixedly installed with a connection cavity 12, and an inner wall of the connection cavity 12 is detachably connected to an outer wall of the support cylinder 321.

[0039] When the utility model is in use, both saliva and the preservation liquid are stored in the collection tube 11, and the connection cavity 12 is connected to the outer wall of the support cylinder 321 to realize the stable connection of the device.

[0040] The telescopic collection component 2 includes a telescopic funnel 21 and a convex block 22; a lower pipe orifice of the telescopic funnel 21 is fixedly connected to an inner wall of the collection tube 11, and a convex block 22 for clamping with the groove 326 in cooperation is fixedly connected to an inner wall of the lower pipe orifice of the telescopic funnel 21.

[0041] When the utility model is in use, when saliva needs to be collected, saliva is added through the telescopic funnel 21, and the saliva flows out from the lower pipe orifice of the telescopic funnel 21 and enters the collection tube 11; the convex block 22 is engaged with the lower groove 326 of the support cylinder 321 to ensure the stability of the sampling device during the shaking process.

[0042] The storage component 1 further includes an internal thread 13; an internal thread 13 is provided on the inner wall of the connection cavity 12, and an external thread 325 that can be threadedly connected with the internal thread 13 is provided on the outer wall of the support cylinder 321; the liquid storage component 31 further includes an internal thread 312 and an external thread 313; an internal thread 312 is provided on the inner wall of the sealing cover 311, and an external thread 313 that is threadedly connected with the internal thread 312 is provided on the upper outer wall of the liquid storage cylinder 314; the liquid storage component 31 further includes an external thread 315, and the support component 32 further includes an internal thread 322; an external thread 315 is provided on the lower outer wall of the liquid storage cylinder 314, and an internal thread 322 that is threadedly connected with the external thread 315 is provided on the inner wall of the support cylinder 321.

[0043] When the utility model is in use, by rotating the handle 324, the connection cavity 12 and the support cylinder 321 are threadedly connected, making the connection tighter and more stable; the sealing cover 311 is threadedly connected with the liquid storage cylinder 314, with better sealing performance; by controlling the connection of the external thread 315 and the internal thread 322, the liquid storage cylinder 314 gradually moves downward and uses the liquid guiding block 323 to pierce the lower film 317, so that the preservation liquid flows out from the liquid storage cylinder 314; when it is necessary to shake the saliva and the mixed liquid, at this time, the lower end of the support cylinder 321 is tightly engaged with the inner wall of the collection tube 11, the inner wall of the connection cavity 12 is threadedly connected with the outer wall of the support cylinder 321, and the sealing cover 311 threadedly connected with the liquid storage cylinder 314 through the internal thread 312 and the external thread 313 isolates the outside contact, realizing the sealing performance during the saliva preservation process, and shaking the saliva and the preservation liquid up and down, thereby obtaining a sample solution with less contamination.

[0044] The size of the telescopic funnel 21 is smaller than that of the connection cavity 12, and the height is higher than that of the connection cavity 12 when stretched to the maximum state.

[0045] When the utility model is in use, the telescopic funnel 21 is compressed in shape by the support cylinder 321, and the size is smaller than that of the connection cavity 12. The outer wall of the support cylinder 321 can be threadedly connected with the inner wall of the connection cavity 12 as much as possible, increasing the connection range and making the device more stable; when the telescopic funnel 21 is higher than the connection cavity 12, it is convenient for saliva to enter the telescopic funnel 21.

[0046] A circular guide hole is provided in the middle of the liquid guiding block 323.

[0047] When the utility model is in use, after the liquid guide block 323 pierces the lower film 317, there is no need to lift the liquid storage cylinder 314, and the preservation liquid directly flows into the collection tube 11 through the circular guide hole, making the addition of the preservation liquid more rapid.

[0048] Embodiment 2: In some embodiments, such as Figure 3 , Figure 4 and Figure 6 shown, as a preferred embodiment of the utility model, two tapered blocks are fixedly installed at the upper end of the liquid guide block 323.

[0049] When the utility model is in use, the tapered blocks can effectively pierce the lower film 317 while the liquid storage cylinder 314 rotates and descends, making the rupture process of the lower film 317 more convenient.

[0050] Embodiment 3: In some embodiments, such as Figures 1 - 6 shown, as a preferred embodiment of the utility model, the thread directions of the second internal thread 312 and the second external thread 313 are the same as those of the third external thread 315 and the third internal thread 322.

[0051] When the sealing cover 311 is rotated and closed, the liquid storage cylinder 314 and the support cylinder 321 are also connected synchronously, making the connection process more convenient.

[0052] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A sampling device for gene detection, comprising a storage component (1), characterized in that: It further includes a separable liquid injection assembly (3). An upper end of the storage assembly (1) is provided with a telescopic collection assembly (2) that cooperates with the storage assembly (1) to collect saliva. The separable liquid injection assembly (3) includes a liquid storage assembly (31) and a support assembly (32). The liquid storage assembly (31) includes a sealing cover (311), a liquid storage cylinder (314), an upper thin film (316), and a lower thin film (317). An inner wall of the sealing cover (311) is detachably connected to an outer wall of an upper end of the liquid storage cylinder (314). An upper end face of the liquid storage cylinder (314) is fixedly connected with an upper thin film (316) that closes its upper end, and a lower end face of the liquid storage cylinder (314) is fixedly connected with a lower thin film (317) that closes its lower end. The support assembly (32) includes a support cylinder (321), a liquid guiding block (323), a handle (324), and a groove (326). An inner wall of the support cylinder (321) is detachably connected to an outer wall of a lower end of the liquid storage cylinder (314). The liquid guiding block (323) is fixedly connected to a lower end of the support cylinder (321). An outer wall of the liquid guiding block (323) is in fitting connection with an inner wall of a lower end of the liquid storage cylinder (314). The handle (324) is fixedly installed on an outer wall of the support cylinder (321). A groove (326) is formed in an outer wall of a lower end of the support cylinder (321). An outer wall of the support cylinder (321) can be detachably connected to the storage assembly (1), and an outer wall of a lower end of the support cylinder (321) can be snap-connected to the telescopic collection assembly (2).

2. The sampling device for gene detection according to claim 1, wherein The storage assembly (1) includes a collection tube (11) and a connection cavity (12). An upper end face of the collection tube (11) is fixedly installed with a connection cavity (12). An inner wall of the connection cavity (12) is detachably connected to an outer wall of the support cylinder (321).

3. The sampling device for gene detection according to claim 2, wherein The telescopic collection assembly (2) includes a telescopic funnel (21) and a convex block (22). A lower pipe orifice of the telescopic funnel (21) is fixedly connected to an inner wall of the collection tube (11). An inner wall of a lower pipe orifice of the telescopic funnel (21) is fixedly connected with a convex block (22) that is snap-connected to the groove (326).

4. The sampling device for gene detection according to claim 3, characterized in that, The storage assembly (1) further includes an internal thread one (13). An internal thread one (13) is formed in an inner wall of the connection cavity (12), and an external thread one (325) that can be threadedly connected to the internal thread one (13) is formed in an outer wall of the support cylinder (321).

5. The sampling device for gene detection according to claim 4, wherein The liquid storage assembly (31) further includes an internal thread two (312) and an external thread two (313). An internal thread two (312) is formed in an inner wall of the sealing cover (311), and an external thread two (313) that is threadedly connected to the internal thread two (312) is formed in an outer wall of an upper end of the liquid storage cylinder (314).

6. The sampling device for gene detection according to claim 5, wherein, The liquid storage assembly (31) further includes an external thread three (315), and the support assembly (32) further includes an internal thread three (322). An external thread three (315) is formed in an outer wall of a lower end of the liquid storage cylinder (314), and an internal thread three (322) that is threadedly connected to the external thread three (315) is formed in an inner wall of the support cylinder (321).

7. The sampling device for gene detection according to claim 6, wherein The size of the telescopic funnel (21) is smaller than that of the connection cavity (12), and its height is higher than that of the connection cavity (12) when in the maximum stretched state.

8. The sampling device for gene detection according to claim 7, wherein A circular liquid guide hole is formed in the middle of the liquid guide block (323).

9. The sampling device for gene detection according to claim 8, characterized in that, Two conical blocks are fixedly installed at the upper end of the liquid guide block (323).

10. The sampling device for gene detection according to claim 9, wherein The thread directions of the second internal thread (312) and the second external thread (313) are the same as those of the third external thread (315) and the third internal thread (322).

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