Stool sampling detection device

Abstract

The utility model provides a kind of excrement sampling detection device, the excrement sampling detection device includes inner sleeve, and one end of the inner sleeve is sealed by closed assembly;Outer sleeve, the inner sleeve is arranged in the outer sleeve, and the spacing of both defines detection area, and test strip is provided in the detection area;Puncture assembly, the puncture assembly is movably arranged in the outer sleeve, and it is suitable for breaking the closed assembly by the puncture assembly;Driving assembly, the driving assembly is movably connected to the outer sleeve, and the puncture assembly is broken by the driving assembly acting on the closed assembly;Sampling assembly, the sampling assembly is suitable for being connected to the other end of the inner sleeve, and the sampling assembly, the inner sleeve and the closed assembly jointly define cavity, and sample processing fluid is provided in the cavity.

Description

Technical Field

[0001] This utility model relates to the field of medical devices, specifically to a fecal sampling and detection device. Background Technology

[0002] In recent years, integrated fecal sampling and testing devices have been increasingly used for fecal sampling and self-testing due to their advantages such as ease of operation, high accuracy, and low risk of contamination. Examples include occult blood testing and Helicobacter pylori testing. Occult blood in feces, in particular, occurs when red blood cells in the blood are digested, broken down, and destroyed after gastrointestinal bleeding, resulting in bleeding that is not detectable by the naked eye or microscope. Many diseases, such as colorectal cancer, colitis, peptic ulcers, and intestinal polyps, are asymptomatic in their early stages, presenting only with occult blood in the feces. Therefore, fecal sampling and testing are of great significance for the early diagnosis and population screening of these diseases.

[0003] With the increasing popularity of integrated fecal sampling and testing devices, related products are being continuously improved. Those skilled in the art are dedicated to improving the ease of use of the products to facilitate user operation, simplifying the structure to further reduce production costs, and making them easier to assemble to improve production efficiency, etc. Utility Model Content

[0004] In view of this, the present invention provides a fecal sampling and detection device that is easy to use, has a simple structure, and is easy to assemble. The fecal sampling and detection device includes:

[0005] An inner sleeve, one end of which is sealed by a sealing component;

[0006] An outer sleeve, wherein an inner sleeve is disposed within the outer sleeve, and the distance between the two defines a detection area, wherein a test strip is disposed within the detection area;

[0007] A puncture assembly, movably disposed within the outer sheath and adapted to puncture the closure assembly;

[0008] A driving component, movably connected to the outer sheath, acts on the puncture component to puncture the closure component;

[0009] A sampling assembly, adapted to be connected to the other end of the inner sleeve, and the sampling assembly, the inner sleeve, and the sealing assembly together define a cavity containing a sample processing solution.

[0010] Furthermore, the puncture assembly includes a piston portion and a puncture portion connected thereto, the piston portion cooperating with the inner diameter of the outer sleeve and adapted to move along the length extension direction of the outer sleeve.

[0011] Furthermore, the puncture assembly includes a protrusion, and the driving assembly acts on the protrusion.

[0012] Furthermore, the drive assembly is rotatably connected to the outer sleeve, and the drive assembly is provided with a slope structure. By rotating the drive assembly to adjust the contact position between the slope structure and the protrusion, the protrusion is driven to move closer to the closing assembly.

[0013] Furthermore, the piston portion is inclined on the side near the sealing assembly to facilitate the flow of the sample processing liquid to the location of the test strip.

[0014] Furthermore, the inner sleeve and the outer sleeve are respectively provided with matching snap-fit ​​structures.

[0015] Furthermore, the sampling component is provided with a buckle, and the outer sleeve is provided with a strip-shaped buckle hole that cooperates with the buckle. One end of the strip-shaped buckle hole is provided with a through groove extending along the length direction of the inner sleeve, so as to allow the buckle to disengage through the through groove and move away from the strip-shaped buckle hole.

[0016] Furthermore, the drive assembly and the outer sleeve are respectively provided with matching limiting structures to limit the range of motion of the drive assembly.

[0017] Furthermore, the test strip is connected to the outside of the inner sleeve.

[0018] Furthermore, multiple test strips are provided, each suitable for different testing items.

[0019] The fecal sampling and testing device of this utility model is easy to operate, has a simple overall structure that is easy to manufacture and assemble. In particular, the sample processing liquid can be directly added and sealed through the bottom port of the inner sleeve, which increases the operating space and effectively reduces the difficulty of adding liquid and sealing. The components are basically connected by snap-fit, which further reduces the assembly difficulty of the overall product.

[0020] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a fecal sampling and detection device according to an embodiment of the present invention;

[0022] Figure 2 yes Figure 1 An exploded view of the fecal sampling and testing device, showing the transparent outer tube;

[0023] Figure 3 yes Figure 1 Another schematic diagram of the fecal sampling and testing device, in which the outer tube and inner tube are transparently displayed, but the test strip is not shown;

[0024] Figure 4 yes Figure 2 A schematic diagram of the outer tube of the fecal sampling and testing device;

[0025] Figure 5 and Figure 6 They are Figure 4 A schematic diagram of the structure at both ends of the outer sleeve;

[0026] Figure 7 yes Figure 2 A schematic diagram of the inner sleeve of a fecal sampling and testing device;

[0027] Figure 8 yes Figure 7 A schematic diagram of the structure after the test strip and sealing assembly are installed on the inner sleeve;

[0028] Figure 9 yes Figure 2 A schematic diagram of the puncture component of a fecal sampling and testing device;

[0029] Figure 10 yes Figure 2 A schematic diagram of the drive assembly of a fecal sampling and detection device;

[0030] Figure 11 yes Figure 2 A schematic diagram of the sampling components of a fecal sampling and detection device;

[0031] Figure 12 and Figure 13 These are schematic diagrams showing the initial position of the puncture assembly during installation and the position of the puncture sealing assembly, respectively.

[0032] Explanation of reference numerals in the attached figures:

[0033] 10—Detection area,

[0034] 20—cavity,

[0035] 100—Inner sleeve,

[0036] 110—ring-shaped protrusion,

[0037] 120—Snap fastener

[0038] 130—Positioning slot,

[0039] 200—outer tube,

[0040] 210—Circular steps,

[0041] 220—Hookhole,

[0042] 230—Positioning hole,

[0043] 240—Cylindrical buckle,

[0044] 250—Limit block,

[0045] 260—Strip-shaped buckle hole,

[0046] 270—through groove,

[0047] 300—Puncture Components

[0048] 310—Piston section,

[0049] 320—Puncture site,

[0050] 330—Protrusion,

[0051] 400—Driver Components

[0052] 410—Hookhole,

[0053] 420—Slope structure,

[0054] 430—Guide groove,

[0055] 440—Positioning protrusion,

[0056] 500—Sampling component,

[0057] 510—Sealing part,

[0058] 520—Sampling rod,

[0059] 521—Threaded section,

[0060] 530—Snap fastener

[0061] 600—Test strip,

[0062] 700—Closed component. Detailed Implementation

[0063] In the description of the embodiments of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on the utility model. The accompanying drawings are schematic diagrams or conceptual diagrams, and the relationships between the thickness and width of each part, as well as the proportional relationships between each part, etc., are not entirely consistent with their actual values.

[0064] Figures 1 to 3 A schematic diagram of a fecal sampling and detection device according to an embodiment of the present invention is shown, including an inner tube 100, an outer tube 200, a puncture component 300, a drive component 400, and a sampling component 500.

[0065] like Figure 4 , Figure 5 and Figure 7 As shown, both the inner sleeve 100 and the outer sleeve 200 are cylindrical in shape, with the inner sleeve 100 housed within the outer sleeve 200. An annular protrusion 110 is provided at one end of the inner sleeve 100 near its opening. The outer diameter of the annular protrusion 110 is adapted to the inner diameter of the outer sleeve 200. An annular step 210, which mates with the annular protrusion 110, is provided inside the outer sleeve 200. When the inner sleeve 100 and the outer sleeve 200 are installed together, the annular protrusion 110 abuts against the annular step 210, thereby defining the axial installation position of the inner sleeve 100 within the outer sleeve 200. Meanwhile, the inner sleeve 100 is provided with a buckle 120 near its opening, and the outer sleeve 200 is provided with a buckle hole 220 that mates with the buckle 120. When the buckle 120 is aligned with the buckle hole 220, and the inner sleeve 100 is inserted into the outer sleeve 200 until the annular protrusion 110 abuts against the annular step 210, the buckle 120 enters the buckle hole 220, thereby restricting the relative rotation of the inner sleeve 100 and the outer sleeve 200. Finally, through the mating annular protrusion 110 and annular step 210, as well as the buckle 120 and buckle hole 220, the inner sleeve 100 can be fixedly connected to the outer sleeve 200.

[0066] After the inner sleeve 100 and the outer sleeve 200 are fixedly connected, the distance between them defines the detection area 10. That is, the detection area 10 is defined by the outer surface of the inner sleeve 100 and the inner surface of the outer sleeve 200. (Refer to...) Figure 3 The detection area 10 contains a test strip 600, such as... Figure 7 and Figure 8As shown, a positioning groove 130 is provided on the outer side of the inner sleeve 100. The test strip 600 is fixedly connected to the outer side of the inner sleeve 100 through the positioning groove 130, so that the test strip 600 is confined in the detection area 10. In this embodiment, two test strips 600 are provided, which are used for different detection items. In practical applications, one or more test strips 600 can be set according to the detection needs, and there is no limitation here.

[0067] like Figure 8 As shown, the other end of the inner sleeve 100 relative to its opening is sealed by a sealing component 700, which is adapted to be punctured by the puncture component 300. In this embodiment, the sealing component 700 is made of aluminum foil, which is bonded to the port of the inner sleeve 100, such as using hot melt adhesive or other adhesives. In other embodiments, the sealing component 700 is a sealing plug, which is inserted into the aforementioned port of the inner sleeve 100 to form a seal. A thin layer structure is used in the middle of the sealing plug to make it suitable for being punctured by the puncture component 300. The thin layer structure can be integrally formed with the sealing plug, such as when the sealing plug is made of materials such as rubber or silicone, the thickness of the sealing plug in the middle position is reduced to be suitable for being punctured by the puncture component 300. Alternatively, the thin layer structure can be attached to the main body of the sealing plug, such as using aluminum foil, silicone paper, or polymer film.

[0068] like Figure 9 As shown, the puncture assembly 300 includes a piston portion 310, a puncture portion 320, and a protrusion 330, which are respectively disposed on opposite sides of the piston portion 310. The puncture assembly 300 is disposed within the outer sleeve 200. The outer diameter of the piston portion 310 is adapted to the inner diameter of the outer sleeve 200, thereby enabling the puncture assembly 300 to move axially along the outer sleeve 200. An O-ring is also provided on the piston portion 310 to ensure a slightly tight fit between the piston portion 310 and the inner diameter of the outer sleeve 200, preventing the puncture assembly 300 from sliding within the outer sleeve 200. A certain external force is required to drive the puncture assembly 300 to move axially along the outer sleeve 200.

[0069] like Figure 6 As shown, the bottom of the outer tube 200 is provided with a positioning hole 230 that mates with the protrusion 330 of the puncture component 300. The installation position of the puncture component 300 in the outer tube 200 is such that the protrusion 330 passes through the positioning hole 230 and one side of the piston part 310 abuts against the bottom of the outer tube 200. When the puncture component 300 is installed in the above position and the inner tube 100 is installed in the outer tube 200, there is a gap between the puncture component 300 and the sealing component 700 at the port of the inner tube 100. Specifically, the puncture part 320 of the puncture component 300 does not touch the sealing component 700.

[0070] The drive assembly 400 is located at the end of the outer sheath 200, specifically near the end close to the puncture assembly 300, such as... Figure 6 and Figure 10 As shown, the outer tube 200 is provided with an outwardly extending cylindrical buckle 240 at this end, and the drive assembly 400 is provided with a buckle hole 410 that cooperates with the cylindrical buckle 240. Thus, the drive assembly 400 can be connected to the outer tube 200 by cooperating with the cylindrical buckle 240 and the buckle hole 410, and the drive assembly 400 can rotate around the cylindrical buckle 240, that is, it can rotate around the axial direction of the outer tube 200.

[0071] like Figure 10 As shown, the drive assembly 400 has a slope structure 420 on the side near the puncture assembly 300. When the drive assembly 400 is installed on the outer sleeve 200, i.e., when the drive assembly 400 is in the installed state, the protrusion 330 of the puncture assembly 300 corresponds to the lower part of the slope structure 420. When the drive assembly 400 is needed to drive the puncture assembly 300, the drive assembly 400 is rotated, so that the contact between the protrusion 330 and the slope structure 420 gradually transitions from the lower part to the higher part of the slope structure 420. During this process, the puncture assembly 300 is also moved towards the closing assembly 700 as the slope of the slope structure 420 extends, until the puncture part 320 punctures the closing assembly 700. That is, the height difference of the slope structure 420 needs to be greater than the initial distance between the puncture part 320 and the closing assembly 700, and sufficient to allow the puncture part 320 to be pushed to the position of puncturing the closing assembly 700.

[0072] like Figure 6 and Figure 10As shown, a limiting structure is provided at the docking position of the drive assembly 400 and the outer sleeve 200 to limit the rotation range of the drive assembly 400. Specifically, a guide groove 430 is provided on the drive assembly 400, and a protruding limiting block 250 that cooperates with the guide groove 430 is provided on the outer sleeve 200. When the limiting block 250 is located in the guide groove 430, rotating the drive assembly 400 in any direction will eventually cause the limiting block 250 to abut against one side wall of the guide groove 430, thereby limiting the further rotation of the drive assembly 400. A positioning protrusion 440 is also provided in the guide groove 430. The positioning protrusion 440 and one side wall of the guide groove 430 together limit the installation position of the limiting block 250. This installation position limits the relative position of the drive assembly 400 and the outer sleeve 200 in the circumferential direction. At the same time, the positioning protrusion 440 also makes it difficult for the limiting block 250 to fall out of the above-mentioned installation position. A certain external force is required to drive the drive assembly 400 to rotate. When the limiting block 250 is in the above-mentioned installation position, the protrusion 330 of the piercing component 300 corresponds to the lower part of the slope structure 420. During subsequent use, the drive component 400 is rotated, and the contact between the protrusion 330 and the slope structure 420 gradually transitions from the lower part of the slope structure 420 to the higher part, until the limiting block 250 abuts against the other side wall of the guide groove 430. At this time, the advancing distance of the drive component 400 to the piercing component 300 is sufficient to allow the piercing part 320 to pierce the sealing component 700.

[0073] like Figure 11 As shown, the sampling assembly 500 includes a sealing part 510 and a sampling rod 520. During installation, the sampling assembly 500 is inserted into the inner sleeve 100. The inner wall contour of the upper section of the inner sleeve 100 conforms to the outer contour of the sealing part 510, thereby facilitating the sealing of the opening of the inner sleeve 100 through the sealing part 510. An O-ring is also provided on the sealing part 510 to improve the sealing effect. At this time, the assembly 500, the inner sleeve 100, and the sealing assembly 700 together define a sealed cavity 20, which contains a sample processing solution. (Reference) Figure 3 .

[0074] The sampling rod 520 is an overall slender cylindrical structure. One end of the sampling rod 520 is provided with a threaded part 521, which facilitates the collection of fecal samples. The threaded part 521 is located entirely within the cavity 20, and the sample processing liquid in the cavity 20 covers the threaded part 521, so that the collected fecal samples can have sufficient contact with the sample processing liquid.

[0075] One end of the sampling component 500 is also provided with a buckle 530, and the outer sleeve 200 is provided with a strip-shaped buckle hole 260 that cooperates with the buckle 530. By placing the buckle 530 in the strip-shaped buckle hole 260, the depth of the sampling component 500 entering the inner sleeve 100 is limited, and the sampling component 500 cannot be easily pulled out. In this embodiment, the strip-shaped buckle hole 260 does not extend in a straight line. Its two ends have a height difference. At the end closer to the opening of the outer sleeve 200, a through groove 270 extending along the length direction of the inner sleeve 100 is provided on the inner side of the outer sleeve 200, so that the buckle 530 can directly enter the strip-shaped buckle hole 260 from the through groove 270. Then, by rotating the sampling component 500, the buckle 530 reaches its other end along the extension direction of the strip-shaped buckle hole 260, thereby forming a locking structure. When it is necessary to remove the sampling component 500, first rotate the sampling component 500 so that the buckle 530 reaches the other end of the strip buckle hole 260, that is, the end where the through groove 270 is located. Then pull the sampling component 500 out of the inner sleeve 100. At this time, since the buckle 530 is aligned with the through groove 270, there is no resistance or little resistance between the buckle 530 and the strip buckle hole 260, so the sampling component 500 can be pulled out of the inner sleeve 100 more easily.

[0076] refer to Figure 12 and Figure 13 After the sealing component 700 is punctured by the puncture component 300, the sample processing liquid originally in the cavity 20 flows from it to the puncture component 300 and is carried on the puncture component 300, specifically on the end face of the piston part 310 near the sealing component 700. At this time, the cavity 20 is connected to the detection area 10, and the sample processing liquid is also submerged to the bottom of the detection area 10, and can contact one end of the test strip 600 set in the detection area 10, thereby realizing the detection of the sample processing liquid (which has been mixed with the collected feces) by the test strip 600. In this embodiment, the end face of the piston part 310 near the sealing component 700 is inclined, and its inclination direction is suitable for the sample processing liquid to flow to the location of the test strip 600, which also helps more sample processing liquid to contact one end of the test strip 600.

[0077] The fecal sampling and detection device in this embodiment has a relatively simple structure and is easy to assemble. The specific assembly method includes the following steps:

[0078] 1. Insert the sampling component 500 into the inner tube 100 to close the opening of the inner tube 100. Invert the two and add a predetermined amount of sample processing liquid from the other end of the inner tube. Then, use the sealing component 700 to close the port.

[0079] 2. Insert the puncture component 300 into the outer tube 200 until it reaches the bottom, so that the protrusion 300 passes through the positioning hole 230 and the piston part 300 abuts against the bottom of the outer tube 200.

[0080] 3. Insert the cylindrical buckle 240 of the outer tube 200 into the buckle hole of the drive assembly 400 to connect the outer tube 200 and the drive assembly 400. When inserting, the limiting block 250 of the outer tube 200 should be aligned with the installation position defined by the positioning protrusion 440 of the drive assembly 400 and one side wall of the guide groove 430. When the limiting block 250 is in the above installation position, the protrusion 330 of the piercing assembly 300 corresponds to the lower part of the slope structure 420 of the drive assembly 400.

[0081] 4. Fix the test strip 600 in the positioning groove 130 on the outside of the inner sleeve 100. In this embodiment, two test strips 600 are provided.

[0082] 5. Insert the inner sleeve 100 into the outer sleeve 200. When inserting, align the buckle 120 of the inner sleeve 100 with the buckle hole 220 of the outer sleeve 200. Connect the inner sleeve 100 and the outer sleeve 200 through the buckle 120 and the buckle hole 220. At the same time, when inserting the inner sleeve 100, align the buckle 530 of the sampling component 500 with the through groove 270 of the outer sleeve 200. When the inner sleeve 100 and the outer sleeve 200 are snapped together, the buckle 530 also enters one end of the strip buckle hole 260 of the outer sleeve 200 through the through groove 270. Then rotate the sampling component 500 so that the buckle 530 rotates to the other end of the strip buckle hole 260, thereby locking the sampling component 500.

[0083] This completes the assembly of the fecal sampling and detection device in this embodiment.

[0084] The method of using the fecal sampling and detection device of this utility model is as follows:

[0085] 1. Rotate the sampling component 500, rotate the buckle 530 to connect one end of the strip buckle hole 260 to the through groove 270, and pull the sampling component 500 out of the inner sleeve 100.

[0086] 2. Insert the sampling rod 520 of the sampling component 500 into five different locations of the solid feces in sequence for sampling, each time inserting it to the upper part of the thread 521 of the sampling rod 520.

[0087] 3. Return the sampling component 500 to the locked position connected to the inner sleeve 100.

[0088] 4. Shake the fecal sampling and testing device approximately 10-20 times to ensure that the fecal sample comes into full contact with the sample processing solution in the chamber 20 and forms a mixture.

[0089] 5. Rotate the drive assembly 400 to its limit position. During this process, the drive assembly 400 pushes the puncture assembly 300 toward the sealing assembly 700 until the puncture part 320 punctures the sealing assembly 700.

[0090] 6. The mixed liquid flowing out of the cavity 20 flows to the bottom of the detection area 10 and comes into contact with the test strip 600, and is absorbed by the test strip 600. Let it stand and wait for the color change of the test strip 600 to determine the test result.

[0091] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A fecal sampling and detection device, characterized in that, include: An inner sleeve, one end of which is sealed by a sealing component; An outer sleeve, wherein an inner sleeve is disposed within the outer sleeve, and the distance between the two defines a detection area, wherein a test strip is disposed within the detection area; A puncture assembly, movably disposed within the outer sheath and adapted to puncture the closure assembly; A driving component, movably connected to the outer sheath, acts on the puncture component to puncture the closure component; A sampling assembly, adapted to be connected to the other end of the inner sleeve, and the sampling assembly, the inner sleeve, and the sealing assembly together define a cavity containing a sample processing solution.

2. The fecal sampling and detection device as described in claim 1, characterized in that, The puncture assembly includes a piston portion and a puncture portion connected thereto. The piston portion is fitted with the inner diameter of the outer sleeve and is adapted to move along the length extension direction of the outer sleeve.

3. The fecal sampling and detection device as described in claim 1, characterized in that, The puncture assembly includes a protrusion, and the driving assembly acts on the protrusion.

4. The fecal sampling and detection device as described in claim 3, characterized in that, The drive assembly is rotatably connected to the outer sleeve, and the drive assembly is provided with a slope structure. By rotating the drive assembly to adjust the contact position between the slope structure and the protrusion, the protrusion is driven to move closer to the closing assembly.

5. The fecal sampling and detection device as described in claim 2, characterized in that, The piston portion is inclined on the side near the sealing assembly to facilitate the flow of the sample processing liquid to the location of the test strip.

6. The fecal sampling and detection device as described in claim 1, characterized in that, The inner sleeve and the outer sleeve are respectively provided with matching snap-fit ​​structures.

7. The fecal sampling and detection device as described in claim 1, characterized in that, The sampling component is provided with a buckle, and the outer sleeve is provided with a strip-shaped buckle hole that cooperates with the buckle. One end of the strip-shaped buckle hole is provided with a through groove extending along the length direction of the inner sleeve, so as to allow the buckle to disengage through the through groove and move away from the strip-shaped buckle hole.

8. The fecal sampling and detection device as described in claim 1, characterized in that, The drive component and the outer sleeve are respectively provided with matching limiting structures to limit the range of motion of the drive component.

9. The fecal sampling and detection device as described in claim 1, characterized in that, The test strip is attached to the outside of the inner sleeve.

10. The fecal sampling and detection device as described in claim 1, characterized in that, It is equipped with multiple test strips, each of which is suitable for different tests.

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