Multi-site quantitative excrement collection tube

Abstract

The utility model discloses a multi-site quantitative excrement collection tube which comprises a tube body, a plurality of sampling tubes and a plurality of sampling tubes, the tube cover detachably covers the tube body, and the tube cover is provided with a collection channel and extends into the accommodating cavity; the collecting rod comprises a scale section and a collecting section which are connected with each other, the scale section is provided with a plurality of scale points in the axial direction, the collecting section is provided with a collecting groove extending in a threaded mode, the collecting section extends into the containing cavity through the collecting channel, an extrusion block is arranged on the inner wall of the collecting channel, and the extrusion block is connected with the scale points. And the extrusion block is used for extruding the sample in the collection groove into the accommodating cavity. The utility model solves the problems that the risk of directly contacting a sample by a detector is high, and the collection tube cannot simultaneously collect at multiple sites and quantitatively.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a multi-site quantitative fecal collection tube. Background Technology

[0002] In the field of medical devices, stool sample testing plays a vital role in clinical diagnosis. Recent years have seen a new phase in research on gut microbiota and human health, and microorganisms in stool samples may be potential diagnostic markers. Therefore, accurate stool sample collection is crucial. Stool collection tubes are instruments used by medical institutions or testing departments to collect, transport, and test stool samples during stool examinations.

[0003] The existing collection tube includes a tube body, a cap, and a collection tube. The tube body is connected to the cap, and the collection tube passes through the cap, with one end extending into the lower part of the tube body and the other end protruding outside the cap. The upper end of the collection tube is fitted with the collection tube cap. This fully enclosed stool sample collection and transport tube has a drawback when used by laboratory personnel for stool sample examination: ① Because laboratory personnel need to open the collection tube cap and remove all stool samples before proceeding with the pretreatment process for subsequent testing, they frequently come into contact with the stool samples, increasing the possibility of bacterial infection and reducing their work efficiency. ② The stool collection process requires picking 2-3g of stool containing pus, blood, or mucus (or 1-3ml of flocculent material for liquid stool) and placing it in a sterile stool container for testing. If there is no mucus or pus, multiple samples are collected from the stool for testing. Most stool collection tubes cannot perform multi-site quantitative collection. Utility Model Content

[0004] The main purpose of this invention is to provide a multi-site quantitative fecal collection tube, which aims to solve the problem that the collection tube cannot collect data from multiple sites and in quantitative quantities at the same time due to the high risk of contact for testing personnel.

[0005] To achieve the above objectives, this utility model proposes a multi-site fecal quantitative collection tube, comprising:

[0006] The tube body has a receiving cavity;

[0007] A tube cap, which can be detachably fitted onto the tube body, is provided with a collection channel and extends into the receiving cavity;

[0008] The sampling rod includes a scale section and a sampling section connected together. The scale section has multiple scale points arranged along the axial direction. The sampling section has a sampling groove that extends in a threaded manner. The sampling section extends into the receiving cavity through the sampling channel. The inner wall of the sampling channel is provided with a squeezing block. The squeezing block is used to squeeze the sample in the sampling groove into the receiving cavity.

[0009] Optionally, the width of the extrusion block is the same as the depth of the collection groove, and the extrusion block extends into the collection groove.

[0010] Optionally, the collection channel extends in a cylindrical shape into the receiving cavity, and the extrusion block is arranged in a threaded manner along the inner wall of the collection channel.

[0011] Optionally, the length of the acquisition channel is less than the length of the acquisition segment.

[0012] Optionally, the scale segment is provided with a scale groove extending in a thread along the axial direction, and a plurality of scale points are distributed along the scale groove.

[0013] Optionally, the outer side of the tube cap is provided with two baffles, the scale segment is located between the two baffles, and the end of the baffle is provided with a positioning protrusion that engages with the scale groove.

[0014] Optionally, both the pipe cap and the pipe body are provided with mating threaded openings, and the pipe cap and the pipe body are detachably threaded together.

[0015] Optionally, the sampling rod further includes a screw shank fixedly connected to the scale segment, the screw shank being for the user to grip and rotate, and the side circumferential surface of the screw shank being provided with anti-slip texture.

[0016] Optionally, the tube body further includes a preservation solution located within the receiving cavity and used to preserve the sample.

[0017] Optionally, the preservation solution may also contain grinding beads for grinding the sample within the containment cavity.

[0018] The beneficial effects of this invention are as follows: multiple scale points are set on the collection rod, and a threaded collection groove is used. By rotating the collection rod, the squeezing block squeezes the sample in the collection groove into the receiving cavity. The scale points are observed by moving the scale segments to quantitatively extract the sample. Each scale point corresponds to a collection groove of equal length. By moving to different scale points, the collection groove collects samples from different locations, thus enabling the collection tube to collect fecal samples from multiple points. This allows the testing personnel to perform quantitative sample collection at multiple sites, avoiding contact with the sample during the collection process. This improves both the quality of fecal sample collection and the work efficiency of the testing personnel. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the multi-site fecal quantitative collection tube of this utility model;

[0021] Figure 2 This is an exploded structural diagram of the multi-site fecal quantitative collection tube of this utility model;

[0022] Figure 3 This is a schematic cross-sectional view of the multi-site fecal quantitative collection tube of this utility model.

[0023] Label Explanation:

[0024] 1. Tube body; 11. Receiving cavity; 12. Threaded end; 13. Preservative solution; 14. Grinding beads;

[0025] 2. Pipe cap; 21. Collection channel; 211. Extrusion block; 22. Baffle; 221. Positioning protrusion;

[0026] 3. Data collection rod; 31. Scale section; 311. Scale point; 312. Scale groove; 32. Data collection section; 321. Data collection groove; 33. Screw shank;

[0027] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0030] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, if the word "and / or" appears throughout the text, it means including three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0031] One embodiment of this utility model proposes a multi-site quantitative fecal collection tube, referencing... Figures 1 to 3 ,include:

[0032] The tube body 1 has a receiving cavity 11; the tube cap 2 is detachably fitted onto the tube body 1, and the tube cap 2 is provided with a collection channel 21 that extends into the receiving cavity 11; the collection rod 3 includes a scale section 31 and a collection section 32 connected to each other, the scale section 31 is provided with a plurality of scale points 311 along the axial direction, the collection section 32 is provided with a collection groove 321 extending in a threaded manner, the collection section 32 extends into the receiving cavity 11 through the collection channel 21, and the inner wall of the collection channel 21 is provided with a squeezing block 211, the squeezing block 211 is used to squeeze the sample in the collection groove 321 into the receiving cavity 11.

[0033] In this embodiment, the multi-site quantitative fecal collection tube has multiple scale points 311 set at the scale section 31 of the collection rod 3, and uses a threaded collection groove 321. By rotating the collection rod 3, the squeezing block 211 squeezes the sample in the collection groove 321 into the receiving cavity 11. By moving the scale section 31, the scale points 311 are observed to quantitatively extract fecal samples. Each scale point 311 corresponds to a collection groove 321 of equal length. By moving to different scale points 311, the collection groove 321 collects samples from different locations, so that the fecal collection tube can collect fecal samples from multiple points. This allows the testing personnel to perform multi-site quantitative sample collection, avoiding contact with the sample during the collection process, which improves both the quality of fecal sample collection and the work efficiency of the testing personnel. Specifically, the tube body 1 has a receiving cavity 11 for containing samples. The shape of the tube cap 2 corresponds to the opening shape of the receiving cavity 11. The tube cap 2 is detachable and fits onto the tube body 1 to seal the receiving cavity 11, thereby ensuring that the sample inside the receiving cavity 11 is not contaminated by external factors. The collection rod 3 is used to collect samples and transfer them into the receiving cavity 11. The tube cap 2 has a collection channel 21 on its lower side for the collection rod 3 to pass through. When the tube cap 2 is closed onto the tube body 1, the collection channel 21 extends into the receiving cavity 11. The collection rod 3 includes a scale section 31 and a collection section 32 connected together. The connection method can be an integral fixed connection or a detachable connection, etc. The scale section 31 is provided with multiple scale points 311. The side of the collection segment 32 is provided with a collection groove 321 that extends in a spiral rotation. The distance between two adjacent scale points 311 is the same. When the scale segment 31 moves from one scale point 311 to another scale point 311, the collection groove 321 moves synchronously and equally. The squeezing block 211 squeezes out an equal amount of sample from the collection groove 321 into the receiving cavity 11 according to the change in scale point 311. This allows the inspector to extract samples quantitatively as needed. By positioning at different scale points 311, the collection groove 321 extends to different lengths to collect samples from different points, which meets the needs of multi-point collection tube. In addition, it can also record samples at different positions in the collection groove 321 according to the scale point 311.

[0034] Furthermore, the width of the squeezing block 211 is the same as the depth of the collection groove 321, and the squeezing block 211 extends into the collection groove 321. The squeezing block 211 protrudes from the inner wall of the collection channel 21. In this embodiment, during collection, the collection rod 3 and the tube cap 2 are first separated from the tube body 1. The end of the collection segment 32 away from the scale segment 31 is inserted into the sample. When it is pulled out, the sample is retained in the collection groove 321. The collection segment 32 after collection is reinserted into the receiving cavity 11. Since the width of the squeezing block 211 extending into the collection groove 321 is equal to the depth of the collection groove 321, the squeezing block 211 fits against the inner wall of the collection groove 321, so that the squeezing block 211 will not miss any sample when squeezing out. Rotating the collection segment 32, the squeezing block 211 slides along the spiral collection groove 321, thereby squeezing out the sample in the collection groove 321 from the end opening of the collection groove 321. It can be understood that in order to completely squeeze out the sample in the collection groove 321, the cross-sectional shape of the squeezing block 211 can be the same as the cross-sectional shape of the collection groove 321, so that the squeezing block 211 fits completely against the groove wall of the collection groove 321.

[0035] Furthermore, the collection channel 21 extends cylindrically into the receiving cavity 11, and the squeezing block 211 is threaded along the inner wall of the collection channel 21. The collection channel 21 extends cylindrically from the inner side of the tube cap 2. When the tube cap 2 is closed on the tube body 1, the collection channel 21 extends into the receiving cavity 11. In this embodiment, the squeezing block 211 is located on the inner wall of the collection channel 21 and extends into the collection groove 321. The radial distance of the collection channel 21 is equal to the radial distance of the collection section 32 to prevent the collection section 32 from swaying left and right in the collection channel 21. The squeezing block 211 extends threadedly from one end of the collection channel 21 to the other end. The thread shape of the squeezing block 211 is the same as the thread shape of the collection groove 321, thereby ensuring that the squeezing block 211 is engaged in the collection groove 321. It should be noted that in other embodiments, the extrusion block 211 can also be a protrusion structure. For example, the extrusion block 211 is a block-shaped structure protruding from the inner wall of the collection channel 21. There are two extrusion blocks 211, which are offset from each other in the axial direction of the collection channel 21. Since the collection groove 321 extends spirally on the side of the collection section 32, the collection groove 321 is only located on one side of the collection section 32 on the same horizontal plane. Therefore, the two extrusion blocks 211 that are offset from each other can ensure that both are located in the collection groove 321 at the same time. The two extrusion blocks 211 are located on both sides of the collection section 32, so that the collection section 32 is subjected to balanced force when it is extruded.

[0036] Furthermore, the length of the collection channel 21 is less than the length of the collection segment 32. In this embodiment, when the collection segment 32 is fully inserted into the receiving cavity 11, the end of the collection segment 32 extends out of the collection channel 21, thereby ensuring that the end of the collection segment 32 has sufficient space to be inserted into the sample for sample collection. When the collection segment 32 is inserted into the sample, the collection slots 321 at different positions will collect samples from different positions, thereby enabling the collection segment 32 to complete multi-point sampling. The purpose is to improve the detection rate of bacteria and viruses in fecal samples without blood or mucus. After collection is completed, the collection rod 3 is transferred into the receiving cavity 11, and the collection rod 3 is rotated to rotate upward. The squeezing block 211 slides along the thread of the collection slot 321, so that the sample in the collection slot 321 is squeezed out and enters and exits the receiving cavity 11, thereby completing sample collection and quantitative distribution. The preservation solution placed in the receiving cavity 11 in time can pre-treat the fecal sample to avoid the degradation of nucleic acid at room temperature, and can also avoid the risk of biological contamination to operators during sample processing. It is understandable that the acquisition channel 21 should not be too short, so as to prevent the sample from falling out from the middle of the acquisition segment 32 when squeezed. The optimal solution is that the length of the acquisition segment 32 extending out of the acquisition channel 21 is equal to the scale length of the scale segment 31, so that each scale point 311 can correspond to an equal amount of sample.

[0037] Furthermore, the scale segment 31 is provided with a scale groove 312 extending threadedly along the axial direction, and a plurality of scale points 311 are distributed along the scale groove 312. The scale groove 312 is connected to the collection groove 321. The scale groove 312, with scale points 311 extending threadedly, is arranged from one end to the other. The user can quantitatively collect samples based on the positional changes of the scale points 311. The scale groove 312 is designed to extend threadedly, so that the scale groove 312 can cooperate with the threaded collection groove 321 to observe the scale points 311 during rotation and lifting. It can be understood that the scale groove 312 can also be set as a closed annular groove structure with multiple intervals.

[0038] Furthermore, two baffles 22 are provided on the outer side of the tube cap 2, the scale segment 31 is located between the two baffles 22, and the end of the baffle 22 is provided with a positioning protrusion 221 that engages with the scale groove 312. In this embodiment, the positioning protrusion 221 is engaged in the threaded scale groove 312. When the scale segment 31 is rotated, the positioning protrusion 221 slides along the scale groove 312, thereby causing the scale segment 31 to move upward while rotating circumferentially. Multiple scale points 311 are distributed along the scale groove 312. When the scale segment 31 moves, the scale point 311 that the positioning protrusion 221 abuts can be clearly observed. The scale groove 312 and the collection groove 321 are not connected. A stop is provided at one end of the scale groove 312 near the collection groove 321 to separate the scale groove 312 and the collection groove 321. When the scale segment 31 moves upward until the stop abuts the positioning protrusion 221, the stop prevents the collection rod 3 from moving further upward to prevent it from leaving the collection channel 21.

[0039] It should be noted that the baffle 22 consists of two arc-shaped plate structures, and the height of the baffle 22 is not less than the extension length of the scale groove 312. When the acquisition segment 32 is fully inserted into the acquisition channel 21, the positioning protrusion 221 is exactly located at the highest position of the scale groove 312. In addition, the radial distance of the scale segment 31 is greater than the radial distance of the acquisition channel 21 to prevent the scale segment 31 from entering the acquisition channel 21 and making it impossible to observe the data.

[0040] Furthermore, both the cap 2 and the tube body 1 are provided with mutually mating threaded openings 12, and the cap 2 and the tube body 1 are detachably threadedly connected. The cap 2 covers the tube body 1 to close the receiving cavity 11. In this embodiment, the cap 2 is circular and the tube body 1 is cylindrical. The tube body 1 has a circumferentially surrounding threaded opening 12 on the outer edge of the opening of the receiving cavity 11, and the cap 2 also has a corresponding circumferentially extending threaded opening 12. The cap 2 and the tube body 1 are rotated through the threaded openings 12 to achieve a detachable connection between them. It should be noted that in other embodiments, the tube body 1 can be set as a cuboid structure, and the cap 2 can also be a rectangular structure. In this case, the cap 2 and the tube body 1 can be detachably connected by a locking mechanism.

[0041] Furthermore, the sampling rod 3 also includes a screw shank 33 fixedly connected to the scale segment 31. The screw shank 33 is for the user to grip and rotate, and the side circumferential surface of the screw shank 33 is provided with anti-slip texture. The screw shank 33 is located at the end of the scale segment 31 away from the sampling segment 32. The screw shank 33 is cylindrical for the user to rotate, thereby driving the scale segment 31 and the sampling segment 32 to rotate. In this embodiment, the side circumferential surface of the screw shank 33 is provided with anti-slip texture to enhance the friction between the user's fingers and the tube cap 2. The radial width of the screw shank 33 is greater than the radial width of the scale segment 31 to facilitate the user's grip on the screw shank 33 and achieve better force application. It should be noted that the screw shank 33 can also be a plate-shaped lever, as long as it facilitates the user to rotate the sampling rod 3.

[0042] Furthermore, the tube body 1 also includes a preservation solution 13, which is located within the receiving cavity 11 and used to preserve the sample. The preservation solution 13 is used to preserve the fecal sample and inhibit the growth of bacteria and viruses, prevent the degradation of microbial nucleic acids in the sample, and maintain the stability and integrity of the sample. The preservation solution 13 includes salts, preservatives, and protein stabilizers, etc. It is understood that the preservation solution 13 can also be appropriately adjusted according to the needs of sample testing.

[0043] Furthermore, the preservation solution 13 is also provided with grinding beads 14, which are used to grind the sample in the receiving cavity 11. The grinding beads 14 are used to physically break up large particles and cellular tissues in the sample, releasing the genetic material within the cells, which facilitates subsequent nucleic acid extraction and analysis, thereby improving the sensitivity of subsequent detection. When the fecal sample is placed in the preservation solution 13, the grinding beads 14 in the preservation solution 13 are rolled by shaking the tube 1, thereby grinding the fecal sample. The grinding beads 14 are usually made of hard materials, such as ceramic beads, stainless steel beads, and glass beads. The size and material of the grinding beads 14 can be selected according to the sample type and experimental requirements.

[0044] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A multi-site quantitative fecal collection tube, characterized by, include: The tube body has a receiving cavity; A tube cap, which can be detachably fitted onto the tube body, is provided with a collection channel and extends into the receiving cavity; The sampling rod includes a scale section and a sampling section connected together. The scale section has multiple scale points arranged along the axial direction. The sampling section has a sampling groove that extends in a threaded manner. The sampling section extends into the receiving cavity through the sampling channel. The inner wall of the sampling channel is provided with a squeezing block. The squeezing block is used to squeeze the sample in the sampling groove into the receiving cavity.

2. The multi-site quantitative fecal collection tube of claim 1, wherein, The width of the extrusion block is the same as the depth of the collection groove, and the extrusion block extends into the collection groove.

3. The multi-site fecal quantitative collection tube according to claim 2, characterized in that, The collection channel extends in a cylindrical shape into the receiving cavity, and the extrusion block is arranged in a threaded manner along the inner wall of the collection channel.

4. The multi-site fecal quantitative collection tube according to claim 3, characterized in that, The length of the acquisition channel is less than the length of the acquisition segment.

5. The multi-site quantitative fecal collection tube of claim 1, wherein, The scale segment is provided with a scale groove extending in a thread along the axial direction, and a plurality of scale points are distributed along the scale groove.

6. The multi-site fecal quantitative collection tube according to claim 5, characterized in that, Two baffles are provided on the outer side of the tube cap, and the scale segment is located between the two baffles. The end of the baffle is provided with a positioning protrusion that engages with the scale groove.

7. The multi-site fecal quantitative collection tube according to claim 1, characterized in that, Both the pipe cap and the pipe body are provided with matching threaded openings, and the pipe cap and the pipe body are detachably threadedly connected.

8. The multi-site fecal quantitative collection tube according to claim 1, characterized in that, The collection rod also includes a screw shank fixedly connected to the scale segment. The screw shank is for the user to hold and rotate, and the side circumferential surface of the screw shank is provided with anti-slip texture.

9. The multi-site quantitative fecal collection tube of claim 1, wherein, The tube also includes a preservation solution located within the receiving cavity and used to preserve the sample.

10. The multi-site fecal quantitative collection tube according to claim 9, characterized in that, The preservation solution also contains grinding beads, which are used to grind the sample in the containment cavity.

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