Saliva sample collection and storage device, assembly method and collection method

Abstract

The present invention discloses a saliva sample collecting and preserving device, an assembly method and a collecting method, wherein the saliva sample collecting and preserving device comprises a first container body, a second container body and a sealing cover, wherein the first container body is provided with a sealing bottom and an opening top, and the second container body is provided with a sealing bottom and an opening top; the second container body is provided in the first container body, the top of the second container body is detachably sealedly connected to the bottom of the first container body, and a sealed space for accommodating a preservation liquid is formed in the second container body; a space for storing the collected saliva is formed between the first container body and the second container body; the sealing cover is used to seal the top of the first container body after the saliva collection is completed, so as to ensure the sealing of the preservation liquid on the one hand, and on the other hand, the removal of the second container body makes the structure in the first container body simpler and convenient to operate.

Description

Technical Field

[0001] The present invention relates to the technical field of medical testing tools, and more specifically to a saliva sample collecting and storing device, an assembling method and a collecting method. Background Art

[0002] Human gene detection can collect human DNA conveniently, quickly and efficiently, wherein saliva as a sample for detecting DNA belongs to non-harmful sampling, which is simple and easy to operate, and thus is widely used by people. The saliva collection device currently used is mainly divided into two categories, one of which is to divide the collection funnel, saliva collection tube and preservation liquid tube into independent 2-3 components, and the user pours the preservation liquid in the preservation liquid tube into the saliva collection tube after spitting saliva, then unscrews the funnel, covers the lid of the saliva collection tube, and completes the collection of saliva. This type of operation steps is the most cumbersome, and the user experience is not good. With the improvement of technology, the other type is to combine the preservation liquid and the saliva collection tube into one in design, and seal the preservation liquid first by a sealing structure, and then untie or destroy the sealing structure after the saliva is collected to mix the preservation liquid and saliva, but this type of design structure in the prior art is still relatively complicated, the sealing of the preservation liquid is proportional to the difficulty of opening, and the difficulty of assembly and manufacturing is relatively large, and the structure of the preservation device after collecting saliva is also relatively complicated, which affects the user experience. Summary of the invention

[0003] In order to solve the shortcomings of the prior art, the present invention provides a saliva sample collection and preservation device, an assembly method and a collection method. The top end of the second container body is detachably and sealedly connected to the bottom end of the first container body. When the saliva is mixed with the preservation solution, the second container body encapsulating the preservation solution is removed, so that the structure inside the first container body is simpler and more conducive to subsequent detection steps; the preservation solution has good sealing performance and is easy to open, and the difficulty of assembly and manufacturing can be effectively reduced. The preservation device after collecting saliva has a simple structure, which improves the user experience.

[0004] The technical effect to be achieved by the present invention is realized through the following scheme: a saliva sample collection and preservation device, comprising a first container body, a second container body and a sealing cover, the first container body is sealed at the bottom and opened at the top, the second container body is sealed at the bottom and opened at the top; the second container body is arranged in the first container body, the top of the second container body is detachably sealedly connected to the bottom of the first container body and a sealed space for accommodating a preservation liquid is formed in the second container body; a space for storing collected saliva is formed between the first container body and the second container body; the sealing cover is used to seal the top of the first container body after saliva collection is completed.

[0005] Preferably, it also includes a collecting bucket formed at the top of the first container body, the bottom end of the second container body is fixedly connected to the top of the collecting bucket, and a gap is provided at the connection between the bottom end of the second container body and the top of the collecting bucket for saliva in the collecting bucket to flow into the first container body.

[0006] Preferably, the bottom inner wall of the first container body is provided with a first internal thread, and the top outer wall of the second container body is provided with a matching first external thread, and the first internal thread and the first external thread are spirally connected to achieve a sealed and detachable connection between the bottom inner wall of the first container body and the top outer wall of the second container body.

[0007] Preferably, an annular protrusion is further extended from the bottom end of the first container body toward the second container body, and the annular protrusion is connected to the inner side wall of the top end of the second container body by interference fit.

[0008] Preferably, the outer side wall of the annular protrusion and the inner side wall of the top end of the second container body are also provided with inclined surfaces adapted for introduction.

[0009] Preferably, a fixed cover portion for detachably fixing a sealing cover is further extended from the bottom end of the first container body.

[0010] A method for assembling the above-mentioned saliva sample collection and storage device comprises the following steps:

[0011] S1: Place the top opening of the second container body upwards and pour the preservation solution into the second container body;

[0012] S2: The top opening of the first container body is facing downward, and the second container body is arranged in the first container body, and the top end of the second container body is sealed and fixedly connected to the bottom end of the first container body.

[0013] A method for collecting saliva samples using the above-mentioned saliva sample collection and storage device comprises the following steps:

[0014] S3: After the first container body and the second container body are assembled, the top of the first container body is facing upwards, and saliva is collected. The collected saliva enters the space between the first container body and the second container body;

[0015] S4: removing the second container body from the first container body to mix the preservation solution with the saliva;

[0016] S5: Seal the first container body with a sealing cover to complete the collection and storage of saliva.

[0017] Preferably, in step S4, when the second container body is fixedly connected to the collecting bucket, the collecting bucket drives the second container body to be removed from the first container body.

[0018] Preferably, before the sealing cover seals the first container body in step S5, a fixed cover portion for detachably fixing the sealing member is further extended from the bottom end of the first container body, and the sealing cover is detachably fixed on the fixed cover portion.

[0019] The present invention has the following advantages:

[0020] 1. By detachably sealingly connecting the top end of the second container body to the bottom end of the first container body, the sealing of the preservation solution is ensured on the one hand, and on the other hand, when the saliva is mixed with the preservation solution, the second container body encapsulating the preservation solution is removed, so that the structure inside the first container body is simpler and more conducive to subsequent detection steps; the preservation solution has good sealing and is easy to open, and the difficulty of assembly and manufacturing can be effectively reduced. The storage device after collecting saliva has a simple structure, which improves the user experience;

[0021] 2. By connecting the collecting bucket with the second container body, force is applied to the collecting bucket during assembly, and the collecting bucket applies external force to the second container body, so that the second container body is easier to assemble with the first container body and the sealing effect is better; and the collecting bucket drives the removal of the second container body, the structure is simpler, and the operation is more convenient and feasible.

[0022] 3. The bottom inner wall of the first container body is provided with a first internal thread, and the top outer wall of the second container body is provided with a matching first external thread. The first internal thread and the second external thread are spirally connected to achieve a sealed and detachable connection between the bottom inner wall of the first container body and the top outer wall of the second container body. The second container body is unscrewed by the threaded connection, which is easy to operate and has good sealing performance. The second container body is removed together with the collection bucket and will not be retained in the first container body.

[0023] 4. By extending an annular protrusion from the bottom end of the first container body toward the second container body, the annular protrusion is connected with the inner wall of the top end of the second container body by interference fit, thereby more effectively improving the sealing performance between the bottom end of the first container body and the top end of the second container body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the cross-sectional structure of the saliva sample collection and storage device of the present invention before saliva collection;

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the saliva sample collection and storage device of the present invention after saliva collection;

[0026] Figure 3 It is a schematic cross-sectional structural diagram of the first container body in the saliva sample collection and storage device of the present invention;

[0027] Figure 4It is a cross-sectional structural schematic diagram of the second container body and the collection bucket in the saliva sample collection and storage device of the present invention;

[0028] Figure 5 It is a schematic diagram of the top view of the second container body and the collection bucket in the saliva sample collection and storage device of the present invention. DETAILED DESCRIPTION

[0029] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Embodiment 1

[0034] like Figure 1-5As shown, the first embodiment of the present invention provides a saliva sample collection and storage device, including a first container body 100, a second container body 200 and a sealing cover 400. The bottom end 110 of the first container body 100 is sealed and the top end 120 is open, and the bottom end 210 of the second container body 200 is sealed and the top end 220 is open. The second container body 200 is arranged in the first container body 100, the top end 220 of the second container body 200 is detachably sealed and connected to the bottom end 110 of the first container body 100, and a sealed space for accommodating a preservation liquid is formed in the second container body 200, and a space for storing the collected saliva is formed between the first container body 100 and the second container body 200. The sealing cover 400 is used to seal the top end 120 of the first container body 100 after the saliva collection is completed.

[0035] When assembling the saliva sample collection and preservation device of the first embodiment of the present invention, the preservation liquid is first injected into the second container body 200, at which time the top 220 of the second container body 200 faces upward; then the top 120 of the first container body is placed downward, and the second container body 200 is placed in the first container body 100 and sealed at the bottom 110 of the first container body 100, ensuring that the preservation liquid is sealed in the second container body 200, ensuring the sealing of the preservation liquid, and the preservation liquid will not leak into the space outside the second container body 200 and inside the first container body 100. If the preservation liquid leaks, the user may smell an irritating smell, affecting the user's experience.

[0036] As a further improvement of the first embodiment of the present invention, the saliva sample collection and storage device further includes a collection bucket 300 formed at the top 120 of the first container body 100, the bottom 210 of the second container body 200 is fixedly connected to the top 310 of the collection bucket 300, and the connection between the bottom 210 of the second container body 200 and the top 310 of the collection bucket 300 also has a gap d for the saliva collected in the collection bucket 300 to flow into the first container body 100. During assembly, by applying force to the collection bucket 300, the collection bucket 300 applies external force to the second container body 200, and the second container body 200 is easier to assemble with the first container body 100, and the sealing effect is better. When collecting saliva, spit saliva out toward the collection bucket 300 with your mouth, and the saliva flows into the first container body 100 along the gap d. When the saliva reaches a certain amount, force is applied to the collection bucket 300, and the collection bucket 300 applies external force to the second container body 200, so that the second container body 200 is separated from the bottom end 110 of the first container body 100, thereby mixing the preservation solution with the collected saliva; further force is applied to remove the collection bucket 300 and the second container body 200 from the first container body 100, and the opening end of the top end 120 of the first container body 100 is sealed with the sealing cover 400 to complete the sampling.

[0037] The saliva sample collection and storage device of the embodiment of the present invention connects the top end 220 of the second container body 200 to the bottom end 110 of the first container body 100 in a detachable and sealed manner. When the saliva is mixed with the storage solution, the second container body 200 encapsulating the storage solution is removed together with the collection bucket 300, so that the structure inside the first container body 100 is simpler and more conducive to subsequent detection steps. The storage solution of the embodiment of the present invention has good sealing performance and is easy to open, and the difficulty of assembly and manufacturing can also be effectively reduced. The storage device after collecting saliva has a simple structure, which improves the user experience.

[0038] As a further improvement of the embodiment of the present invention, the inner side wall of the bottom end 110 of the first container body 100 is provided with a first internal thread 111, and the outer side wall of the top end 220 of the second container body 200 is provided with a matching first external thread 221. The first internal thread 111 and the first external thread 221 are spirally connected to realize the sealing and detachable connection between the inner side wall of the bottom end 110 of the first container body 100 and the outer side wall of the top end 220 of the second container body 200. The second container body 200 is unscrewed by the threaded connection, which is simple to operate and has good sealing performance. The second container body 200 is removed together with the collection bucket 300 and will not be retained in the first container body 100. More preferably, the bottom end 110 of the first container body 100 also extends toward the second container body 200 with an annular protrusion 112, and the annular protrusion 112 is connected with the inner side wall of the top end 220 of the second container body 200 by interference fit, which more effectively improves the sealing performance between the bottom end 110 of the first container body 100 and the top end 220 of the second container body 200. The outer side wall of the annular protrusion 112 and the inner side wall of the top end 220 of the second container body 200 are also provided with an inclined surface adapted for introduction, so that the top end 220 of the second container body 200 is more convenient for insertion and sealing.

[0039] As a further improvement of the embodiment of the present invention, the bottom end 110 of the first container body 100 is further extended with a fixed cover portion 113 for removably fixing the sealing cover 400. The inner side wall of the sealing cover 400 is provided with a second internal thread 410, the outer side wall of the fixed cover portion 113 is provided with a second external thread 114 adapted to the second internal thread 410, and the outer side wall of the top end 120 of the first container body 100 is provided with a third external thread 121 adapted to the second internal thread 410. When saliva has not been collected, the sealing cover 400 and the fixed cover portion 113 are screwed together through the second internal thread 410 and the second external thread 114 to fix the sealing cover 400 to prevent loss. When the saliva collection is completed, the collection hopper and the second container body 200 are removed, and the sealing cover 400 and the first container body 100 are screwed together through the second internal thread 410 and the third external thread 121 to seal the second container body 200.

[0040] In the embodiment of the present invention, the bottom end 210 of the second container body 200 and the top end 310 of the collecting bucket 300 have a gap d and can be fixedly connected by a plurality of ribs 500 arranged at intervals, four of which are shown in the figure, but not limited thereto.

[0041] The shapes of the first container body 100 and the second container body 200 can be cylinders or other variations of the shape, but should not be limited thereto. The collecting bucket 300 can be a funnel shape that is larger at the top and smaller at the bottom. The top 310 of the collecting bucket 300 is connected to the top 120 of the first container body 100 by extending the top 310 of the collecting bucket 300 into the top 120 of the first container body 100, so as to facilitate the smooth flow of saliva into the first container body 100 without the need for special sealing or fixed connection.

[0042] When the saliva sample collection and preservation device of the embodiment of the present invention is used, the top end 220 of the second container body 200 is first opened upward, and the preservation liquid is placed in the second container body 200. Then, the top end 120 of the first container body 100 is opened downward and extended to cover the second container body 200 so that the top end 220 of the second container body 200 is sealed and fixedly connected to the bottom end 110 of the first container body 100. Then, the assembly of the first container body 100 and the second container body 200 is rotated so that the collection bucket 300 is at the top. The user puts saliva into the collection bucket 300, and the saliva flows into the space inside the first container body 100 and outside the second container body 200 along the collection bucket 300. The collection bucket 300 is then rotated to separate the top end 220 of the second container body 200 from the bottom end 110 of the first container body 100. The separated second container body 200 and the collection bucket 300 are removed from the first container body 100, and the top end 120 of the first container body 100 is sealed with the sealing cover 400 to complete the collection and mixed storage of the saliva sample.

[0043] Embodiment 2

[0044] Embodiment 2 of the present invention provides an assembly method of a saliva sample collection and storage device according to embodiment 1, comprising the following steps:

[0045] S1: The top end 220 of the second container body 200 is opened upward, and a preservation solution is poured into the second container body 200;

[0046] S2: Place the top end 120 of the first container body 100 with the opening facing downward, insert the second container body 200 into the first container body 100 , and seal and fix the top end 220 of the second container body 200 to the bottom end 110 of the first container body 100 .

[0047] The assembly method of a saliva sample collection and preservation device of the second embodiment of the present invention can ensure that the preservation liquid is sealed in the second container body 200, ensuring the sealing of the preservation liquid, and the preservation liquid will not leak into the space outside the second container body 200 and inside the first container body 100. If the preservation liquid leaks, the user may smell an irritating smell, affecting the user's experience.

[0048] Embodiment 3

[0049] Embodiment 3 of the present invention provides a method for collecting saliva samples using the device for collecting and preserving saliva samples described in Embodiment 1, comprising the following steps:

[0050] S3: After the first container body 100 and the second container body 200 are assembled, the top end 120 of the first container body 100 is facing upwards, and saliva is collected. The collected saliva enters the space between the first container body 100 and the second container body 200;

[0051] S4: removing the second container body 200 from the first container body 100 to mix the preservation solution with the saliva;

[0052] S5: Seal the first container body 100 with the sealing cap 400 to complete the collection and storage of saliva.

[0053] In the collection method of the saliva sample collection and preservation device of the embodiment of the present invention, when saliva and the preservation solution are mixed, the second container body 200 encapsulating the preservation solution is removed to mix the preservation solution and the saliva, so that the structure in the first container body 100 is simpler and more conducive to subsequent detection steps.

[0054] As a further improvement of the third embodiment of the present invention, in step S4, when the second container body 200 is fixedly connected to the collection bucket 300, the collection bucket 300 drives the second container body 200 to be removed from the first container body 100. The fixed connection between the collection bucket 300 and the second container body 200 makes the sealing performance of the second container body 200 and the first container body 100 better when they are assembled, and when the second container body 200 is disassembled, the second container body 200 can also be removed more conveniently.

[0055] As a further improvement of the third embodiment of the present invention, the second container body 200 can be removed from the first container body 100 in step S4 by a spiral sealing connection between the first internal thread 111 of the inner side wall of the bottom end 110 of the first container body 100 and the second external thread 114 of the outer side wall of the top end 220 of the second container body 200, which has good sealing performance and is convenient for removing the second container body 200. More preferably, the top end 220 of the second container body 200 is sealedly connected to the bottom end 110 of the first container body 100, and the annular protrusion 112 extending from the bottom end 110 of the first container body 100 is connected to the inner side wall of the top end 220 of the second container body 200 by interference fit, thereby improving the sealing performance of the connection.

[0056] As a further improvement of the embodiment of the present invention, before the sealing cover 400 seals the first container body 100 in step S5, the bottom end 110 of the first container body 100 is further extended with a fixed cover portion 113 for detachably fixing the sealing cover 400, and the sealing cover 400 is detachably fixed on the fixed cover portion 113 to prevent the sealing cover 400 from being lost. The detachable fixing method can be fixed by threaded connection, but is not limited thereto.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention rather than to limit them. Although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for using a saliva sample collection and storage device, characterized in that: The saliva sample collection and preservation device comprises a first container body, a second container body and a sealing cover, characterized in that the bottom end of the first container body is sealed and the top end is open, and the bottom end of the second container body is sealed and the top end is open; the second container body is arranged in the first container body, the top end of the second container body is detachably sealed and connected to the bottom end of the first container body, and a sealed space for accommodating the preservation liquid is formed in the second container body; a space for storing the collected saliva is formed between the first container body and the second container body; the sealing cover is used to seal the top end of the first container body after the saliva collection is completed; it also includes a collection bucket formed at the top end of the first container body, the bottom end of the second container body is fixedly connected to the top end of the collection bucket, and the connection between the bottom end of the second container body and the top end of the collection bucket is also A gap is provided for saliva in the collection bucket to flow into the first container body; the gap is fixedly connected by a plurality of ribs arranged at intervals; a first internal thread is provided on the inner side wall of the bottom end of the first container body, and a first external thread is provided on the outer side wall of the top end of the second container body to match, and the first internal thread is spirally connected with the first external thread to achieve a sealed and detachable connection between the inner side wall of the bottom end of the first container body and the outer side wall of the top end of the second container body; an annular protrusion is also extended from the bottom end of the first container body toward the second container body, and the annular protrusion is connected with the inner side wall of the top end of the second container body by interference fit; the outer side wall of the annular protrusion and the inner side wall of the top end of the second container body are also provided with an inclined surface adapted to be introduced; a fixed cover portion for detachably fixing the sealing cover is also extended from the bottom end of the first container body; the method of use comprises the following steps: S1: Place the top opening of the second container body upwards and pour the preservation solution into the second container body; S2: Place the top opening of the first container body downward, insert the second container body into the first container body, and seal and fix the top of the second container body to the bottom of the first container body; S3: After the first container body and the second container body are assembled, the top of the first container body is facing upwards, and saliva is collected. The collected saliva enters the space between the first container body and the second container body; S4: removing the second container body from the first container body to mix the preservation solution with the saliva; S5: Seal the first container body with a sealing cover to complete the collection and storage of saliva.

2. The method for using the saliva sample collection and storage device according to claim 1, characterized in that: In step S4, when the second container body is fixedly connected to the collecting bucket, the collecting bucket drives the second container body to be removed from the first container body.

3. The method for using the saliva sample collection and storage device according to claim 1, characterized in that: Before the sealing cover seals the first container body in step S5, a fixed cover portion for detachably fixing the sealing member is further extended from the bottom end of the first container body, and the sealing cover is detachably fixed on the fixed cover portion.

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