CN207528471U - Novel faeces Acquisition Processor - Google Patents

Abstract

The utility model discloses a novel stool collection processor, which belongs to the technical field of medical equipment. It includes a stool collection tube, a stool collector, a sample storage tube, a filter, and a sample storage tube sealing cap. The lower end of the feces collector is equipped with a sampling brush and a sampling tube to realize multi-point collection of solid or liquid feces samples; the feces collector and the feces collection tube are sealed and combined to realize dilution and mixing of the sample, sealed storage and transportation; the feces collection tube, The filter and the sample storage tube realize coarse filtration of the sample through sealing; the sample storage tube and the sealing cover of the sample storage tube realize the sealed preservation and transportation of the sample through the sealing combination. The new fecal collection processor makes a series of tasks such as multi-point collection of fecal samples, dilution storage and coarse filtration compactly connected, and is carried out in a closed and centralized manner, which makes the sample collection process standardized, easy to operate, and improves work efficiency. At the same time, the collected samples are quantitatively accurate. , Safe and pollution-free, easy to store and transport.

Description

New type of feces collection processor

technical field

The utility model belongs to the technical field of medical devices, in particular to a novel stool collection processor.

Background technique

Fecal nucleic acid detection is a new detection item that has emerged in recent years. Through the detection of host free nucleic acid and intestinal microbial nucleic acid in feces, some pathophysiological changes in the intestinal tract can be understood, so that it can be used for the diagnosis of intestinal diseases (such as knot Non-invasive early diagnosis of rectal cancer) and treatment (such as fecal microbiota transplantation treatment) and other aspects. Correct sample collection and preparation is the first step in the testing work, and it is also a key step to ensure the accuracy of the test results. At present, most of the stool collection in medical institutions is to let patients scrape the stool with a disposable collection spoon and put it into the collection box. Microbial nucleic acid extraction and other related operations.

However, this collection method has many disadvantages: the collection process is not hygienic enough, and fecal samples are prone to contamination during collection, transportation, and storage, which affects the test results; patients may not be able to collect samples at multiple points during the collection process. This will also affect the test results; the collected feces are not easy to store, and the smell will affect the environment and cause discomfort to the testing personnel; the collected solid feces contain many large particles of dietary fiber, food residue, etc., which will affect nucleic acid extraction. The efficiency also increases the work difficulty of the inspectors.

Chinese patent CN 203811408 U discloses a disposable stool sample collection processor, the disposable stool sample collection processor can connect the two steps of sample collection and dilution processing together to complete, compared with the traditional stool sampler, in use It is more convenient, but there are still some shortcomings: first, in order to achieve the purpose of multi-point collection, the disposable stool sample collection processor must take samples at different positions of the stool several times, and the operation is more cumbersome; The sampling rod of the disposable stool sample collection processor cannot be used for the collection of liquid feces and water samples; third, the samples obtained after being processed by the disposable stool sample collection processor may still be mixed with impurities such as large particles of dietary fiber, and cannot Do effective coarse filtration.

Therefore, it is very necessary to design a new type of feces collection processor that can compactly connect a series of tasks such as multi-point collection of feces samples, dilution storage and coarse filtration, and carry out airtight and centralized processing when feces sampling is tested.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a novel feces collection processor that can compactly connect a series of tasks such as multi-point collection of feces samples, dilution storage, and coarse filtration, and carry out airtight and centralized operations to solve the current problems. It has the above-mentioned problems of the feces collector, and provides convenience for downstream fecal nucleic acid extraction and intestinal flora separation.

In order to achieve the above object, the utility model provides the following technical solutions:

A novel stool collection processor, comprising a stool collection tube, a stool collector, a sample storage tube, a filter, and a sealing cover for the sample storage tube;

The feces collector includes a liquid sampling tube, a solid sampling brush, and a sealing cover; the upper part of the liquid sampling tube has a dropper cap; the sealing cover is provided with a through hole adapted to the outer peripheral size of the liquid sampling tube The liquid sampling tube is clamped in the sealing cover through the through hole, and the dropper cap is located above the sealing cover, and the tube body of the liquid sampling tube is located below the sealing cover; the middle and lower part of the outer tube wall of the liquid sampling tube A solid sampling brush is provided; the feces collector is a disposable sampling tool, and the feces collector is equipped with two sampling tools, a solid sampling brush and a liquid sampling tube, which can realize multi-point collection of solid or liquid feces samples;

When collecting samples, the sample preservation solution is placed in the stool collection tube; the stool collection tube is sealed and fixed with the stool collector through the above-mentioned sealing cover; and the liquid level of the sample preservation solution inside the stool collection tube is higher than that on the stool collector. The upper part of the solid sampling brush to facilitate the mixing of the sample preservation solution and the stool specimen;

The filter is provided with a filter medium; the filter medium does not distinguish the direction of liquid entry and exit;

As an example but not a limitation, the filter medium is two layers of 100-mesh (particle size: 165 μm) nylon filter screen.

When separating the sample, the feces collection tube and the sample storage tube are respectively sealed and fixed on the upper and lower sides of the filter medium through the filter;

When the sample is stored, the sample storage tube sealing cover is sealed and fixed with the sample storage tube.

Further, the tube wall of the liquid sampling tube is transparent, and a sampling volume indicating area is arranged on the upper part of the tube wall.

Further, the tube wall of the sample storage tube is transparent, and scale marks are provided on the tube wall.

Preferably, a first sealing gasket is arranged in the sealing cover of the stool collector;

A second sealing gasket is arranged in the sealing cover of the sample storage tube.

Preferably, the feces collection tube and the sealing cap are fixed with threads; and/or

The feces collection tube and the sample storage tube are respectively threaded with the filter; and/or

The sealing cover of the sample storage tube and the sample storage tube are fixed by threads.

Preferably, the bottom of the sample storage tube is designed in a conical shape, so as to facilitate the thorough subsequent sampling.

Preferably, the bottom of the feces collection tube is a round-bottomed self-supporting design, so as to facilitate operations such as loading and sealing the feces sample with one hand.

As an example and not limitation, the height of the stool collection tube combined with the stool collector is 82 mm, and the diameter is 17.5 mm; the stool collection tube, the sample storage tube and the filter are combined The final height is 120mm, and the diameter is 17.5mm, which can be completely placed in the centrifuge rotor; the combined height of the sample storage tube and the sealing cover of the sample storage tube is 63mm, and the diameter is 17.5mm. These dimensions are for a 15ml centrifuge rotor.

Compared with the traditional stool sampler, the utility model has the following advantages:

(1) The utility model can meet the fecal sample collection required by biomedical projects such as fecal nucleic acid detection, fecal flora classification or separation; the solid sampling brush and sampling tube are combined together, no matter the sample is liquid feces or Milky and mushy solid feces can be collected conveniently and reliably.

(2) The utility model allows a series of tasks such as feces collection, dilution storage and coarse filtration to be closely connected, and is carried out in a closed and centralized manner, which makes the sample collection process standardized, easy to operate, and improves work efficiency. At the same time, the collected samples are quantitatively accurate and easy to use. Storage and transportation.

(3) The solid sampling brush of the present utility model can meet the requirements of multi-point collection of samples by brushing the surface of feces for sampling, and improves the accuracy of feces detection results.

(4) When the feces collector of the present utility model is in use, the dropper cap can serve as a handle, and the sealing cover also acts as an isolation barrier, thereby preventing feces from touching the skin, ensuring safety, hygiene and pollution-free sample collection.

(5) The filter of the present utility model can filter out large particles such as dietary fiber and food residue in feces, which is convenient for subsequent inspection operations such as nucleic acid extraction and bacterial group separation.

(6) This product adopts double sealing measures of thread and sealing gasket to ensure the safety and sanitation of feces and sample preservation solution during transportation.

Description of drawings

Fig. 1 is a schematic structural view of the feces collection pipe provided by the present invention.

Fig. 2 is a schematic structural view of the feces collector provided by the present invention.

Fig. 3 is an enlarged view of the horizontal section of the feces collector provided by the utility model provided with a solid sampling brush.

Fig. 4 is a schematic structural view of the sample storage tube provided by the present invention.

Fig. 5 is a schematic structural view of the filter provided by the present invention.

Fig. 6 is a schematic horizontal cross-sectional view of the filter provided by the present invention.

Fig. 7 is a schematic structural view of the sealing cover of the sample storage tube provided by the present invention.

Fig. 8 is a combination effect diagram of the feces collection pipe and the collector provided by the utility model.

Fig. 9 is a combination effect diagram of the feces collection tube, filter and sample storage tube provided by the present invention.

Fig. 10 is a combination effect diagram of the sample storage tube and the sealing cap provided by the present invention.

Explanation of reference signs

101-stool collection tube; 102-stool collector; 103-sample storage tube; 104-filter; 105-sample storage tube sealing cover; 1-first outer wall thread; 2-collection tube body; 3-dropper cap ;4-Sealing cover; 5-First thread groove; 6-First sealing gasket; 7-Sampling volume indicator area; 8-Solid sampling brush; 9-Liquid sampling tube; 10-Second outer wall thread; 11-Storage tube Tube body; 12-graduation line; 13-upper thread groove; 14-filter medium; 15-lower thread groove; 16-second sealing gasket; 17-second thread groove; 18-sample preservation solution.

Detailed ways

The technical solution of the new feces collection processor provided by the utility model will be further described below in conjunction with specific embodiments and accompanying drawings. In conjunction with the following description, the advantages and features of the utility model will be more clearly.

It should be noted that the embodiments of the present utility model have better implementability, and are not intended to limit the present utility model in any form. The technical features or combinations of technical features described in the embodiments of the present utility model should not be regarded as isolated, and they can be combined with each other to achieve better technical effects. The scope of the preferred embodiments of the present invention may also include other implementations, which should be understood by those skilled in the art to which the embodiments of the present invention belong.

Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values.

The drawings of the utility model are all in very simplified form and use inaccurate proportions, and are only used to facilitate and clearly illustrate the purpose of the utility model embodiment, and are not limiting conditions for the utility model to be implemented. Any modification of structure, change of proportional relationship or adjustment of size shall fall within the scope covered by the technical contents disclosed in this utility model without affecting the effect and purpose of this utility model. Inside. In addition, the same symbols appearing in the drawings of the present utility model represent the same features or components, and can be applied in different embodiments.

As shown in Figures 1 to 10, the utility model provides a novel stool collection processor. The novel stool collection processor includes a stool collection tube 101 , a stool collector 102 , a sample storage tube 103 , a filter 104 and a sample storage tube sealing cover 105 .

As shown in Figure 1, the feces collection pipe 101 includes a collection pipe body 2; the upper end of the collection pipe body 2 is open, and the nozzle is provided with a first outer wall thread 1; the bottom of the collection pipe body 2 is a round bottom self-standing Design; the collection tube body 2 stores a sample preservation solution 18 . The role of the sample preservation solution 18 is to effectively inhibit the activity of biological enzymes in the feces for a period of time when the fresh feces samples cannot be deep-frozen immediately, so as to achieve the purpose of preserving nucleic acids and intestinal flora in the feces.

As shown in Figure 2, the stool collector 102 includes a liquid sampling tube 9, a solid sampling brush 8, and a sealing cover 4; wherein, the top of the liquid sampling tube 9 has a dropper cap 3; the sealing cover 4 includes a top wall and a side wall, and The inside is provided with a first sealing gasket 6 close to the top wall, and the inner side of the side wall is provided with a first thread groove 5; The through hole of the liquid sampling tube 9 passes through the through hole and is clamped in the sealing cover 4, and the dropper cap 3 is located above the sealing cover 4, and the body of the liquid sampling tube 9 is located below the sealing cover 4; the liquid The tube wall of sampling tube 9 is transparent, and the tube wall upper part of liquid sampling tube 9 is provided with sampling amount indicating area 7, and the outer tube wall middle and lower part of liquid sampling tube 9 is provided with solid sampling brush 8 (as shown in Figure 3) . As an example and not limitation, the bristles of the solid sampling brush 8 may be vertically arranged with the tube body of the liquid sampling tube 9 . In the present utility model, the stool collector 102 is a disposable sampling tool, and the stool collector 102 is provided with two sampling tools, a solid sampling brush 8 and a liquid sampling tube 9 .

As shown in Figure 4, the sample storage tube 103 includes a storage tube body 11; the upper end of the storage tube body 11 is open, and the mouth of the tube is provided with a second outer wall thread 10; the tube wall of the storage tube body 11 is transparent, And the tube wall of the storage tube body 11 is provided with a scale line 12; the bottom of the storage tube body 11 is tapered.

As shown in Figures 5 and 6, the filter 104 includes a filter medium 14 and a filter side wall; wherein, the filter side wall is a cylindrical ring structure, and an upper threaded groove 13 and a lower screw groove 13 are respectively arranged in the filter side wall. The thread groove 15 ; the filter medium 14 is arranged in the side wall of the filter, and is located between the upper thread groove 13 and the lower thread groove 15 . In the present invention, the filter medium 14 on the filter 104 does not distinguish the direction of liquid in and out. As an example but not a limitation, the filter medium is two layers of 100-mesh (particle size: 165 μm) nylon filter screen.

As shown in FIG. 7 , a second sealing gasket 16 is provided inside the sealing cover 105 of the sample storage tube, and a second threaded groove 17 is provided in the side wall thereof.

Further, as shown in Figure 8, the first outer wall thread 1 at the top of the feces collection pipe 101 and the first thread groove 5 inside the sealing cover 4 of the feces collector 102 have a structure that matches each other, and the cooperation of the two can realize feces collection. The seal between the tube 101 and the stool collector 102 is fixed. As an example but not a limitation, the combined height of the stool collecting tube 101 and the stool collector 102 is 82 mm, and the diameter is 17.5 mm. It should be noted that after the stool collection tube 101 is combined with the stool collector 102 , the liquid level of the sample preservation solution 18 inside the stool collection tube 101 is higher than the upper part of the solid sampling brush 8 on the stool collector 102 .

Further, as shown in FIG. 9 , the upper thread groove 13 of the filter 104 and the first outer wall thread 1 at the top of the feces collection pipe 101 have a structure that matches each other, and the cooperation of the two can realize the sealing of the feces collection pipe 101 and the filter 104 Fixation: The lower thread groove 15 of the filter 104 and the second outer wall thread 10 at the top of the sample storage tube 103 have a structure that matches each other, and the cooperation of the two can realize the sealing and fixing of the sample storage tube 103 and the filter 104 . As an example and not limitation, the upper threaded groove 13 and the lower threaded groove 15 of the filter 104 can have the same specifications; the combination of the stool collection pipe 101, the filter 104, and the sample storage pipe 103 has a height of 120 mm and a diameter of 17.5 mm.

Further, as shown in FIG. 10 , the second outer wall thread 10 at the top of the sample storage tube 103 and the second thread groove 17 of the sample storage tube sealing cap 105 have a structure that matches each other. The sealing of the storage tube sealing cap 105 is fixed. As an example and not limitation, the combined height of the sample storage tube 103 and the sample storage tube sealing cap 105 is 63 mm, and its diameter is 17.5 mm. These dimensions are for a 15ml centrifuge rotor.

The using method of the novel stool collection processor described in the utility model is:

When sampling (the initial state is shown in Figure 8), first grasp the collection tube body 2 of the feces collection tube 101 (wherein the sample preservation solution 18 is pre-stored) and the sealing cover 4 of the feces collector 102, and unscrew the feces collector 102. If it is a solid feces sample, hold the dropper cap 3 of the feces collector 102 with the thumb, index finger and middle finger, use the solid sampling brush 8 to brush the feces sample on the surface of the solid feces, and then send the solid sampling brush 8 into the feces In the collection tube 101, tighten the seal cap 4 of the stool collection tube 101 and the stool collector 102 to seal it, shake the stool collection tube 101 for a few times, and allow the stool sample to mix with the pre-stored sample preservation solution 18; For the specimen, squeeze the dropper cap 3 of the feces collector 102 with the thumb, forefinger, and middle finger, and insert the lower end of the liquid sampling tube 9 into the feces after exhausting the air, loosen the pinched dropper cap 3, and suck the feces sample On the rear liquid sampling tube 9, there is a sampling quantity indicator area 7, which can quantitatively absorb feces samples, and send the liquid sampling tube 9 into the feces collection tube 101. When the end of the liquid sampling tube 9 is located above the liquid level of the pre-stored sample preservation solution , squeeze the dropper cap 3 again, add the feces sample in the liquid sampling tube 9 to the sample preservation solution 18, loosen the pinched dropper cap 3, and tighten the seal between the feces collection tube 101 and the feces collector 102 The cover 4 is sealed, and the feces collection tube 101 is shaken for a few times to allow the feces water sample to mix with the sample preservation solution 18 . The first outer wall thread 1 at the top of the feces collection pipe 101 is closely combined with the first thread groove 5 on the sealing cover 4 of the feces collector 102, and the first sealing gasket 6 on the sealing cover 4 of the feces collector 102 ensures the sealing performance. It facilitates the storage and transportation of samples.

During processing, place the feces collection tube 101 on a multifunctional oscillator to fully mix the feces sample and the sample preservation solution 18, then hold the collection tube body 2 of the feces collection tube 101 and the sealing cover 4 of the feces collector 102 tightly, and turn the Exit the feces collector 102. Put one end of the filter 104 on the top of the feces collection pipe 101, and tighten it so that the first outer wall thread 1 on the top of the feces collection pipe 101 is closely combined with the upper thread groove 13 on the filter 104; then put the other end of the filter 104 On the top of the sample storage tube 103 , screw it tightly so that the second outer wall thread 10 on the top of the sample storage tube 103 is closely combined with the lower screw groove 15 on the filter 104 . At this time, the stool collection tube 101, the filter 104 and the sample storage tube 103 are combined into one (as shown in FIG. 9 ). Place the sample storage tube 103 into the rotor of the centrifuge with the posture below. During centrifugation, the filter medium 14 will filter out large particles such as dietary fiber and food residue in the feces, and the rest will enter the sample storage tube 103 . After centrifugation, hold the tube body 11 and the filter 104 of the sample storage tube 103 tightly respectively, unscrew the combination of the filter 104 and the feces collection tube 101, and close the sample storage tube 103 with the sample storage tube sealing cover 105 (as shown in Fig. 10), the second outer wall thread 10 on the top of the sample storage tube 103 is closely combined with the second threaded groove 17 on the sample storage tube sealing cover 105, and the second sealing gasket 16 on the sample storage tube sealing cover 105 ensures that It improves the sealing performance and facilitates the storage and transportation of samples.

Therefore, the novel stool collection processor described in the embodiment of the present invention has the following technical advantages:

The lower end of the feces collector is equipped with a solid sampling brush and a sampling tube, which can realize multi-point collection of solid or liquid feces samples; the feces collector and the feces collection tube are combined through a sealed thread, which can realize dilution, mixing and sealed storage of the samples and transportation; the combination of feces collection tube, filter and sample storage tube through sealing thread can realize coarse filtration of samples; the combination of sample storage tube and sample storage tube sealing cap through sealing thread can realize sealed storage and transportation. The new fecal collection processor makes a series of tasks such as multi-point collection of fecal samples, dilution storage and coarse filtration compactly connected, and is carried out in a closed and centralized manner, which makes the sample collection process standardized, easy to operate, and improves work efficiency. At the same time, the collected samples are quantitatively accurate. , safe and pollution-free, easy to store and transport. The utility model collects and processes samples, which can provide convenience for downstream fecal nucleic acid extraction, intestinal flora separation and the like.

The above are only preferred implementations of the utility model, and are not intended to limit the utility model in any form. According to the technical essence of the utility model, all technical solutions under the thinking of the utility model all belong to the protection scope of the utility model, specifically, without departing from the principle of the utility model, any modifications made to the above examples, Equal replacements and improvements, etc., are all regarded as the protection scope of the present utility model.

Claims (7)

1. A novel stool collection processor, characterized in that: comprising a stool collection tube (101), a stool collector (102), a sample storage tube (103), a filter (104), a sample storage tube sealing cover (105) ; The stool collector (102) comprises a liquid sampling tube (9), a solid sampling brush (8), a sealing cover (4); the top of the liquid sampling tube (9) has a dropper cap (3); the sealing The cover (4) is provided with a through hole adapted to the peripheral size of the liquid sampling tube (9); the liquid sampling tube (9) passes through the through hole and is clamped in the sealing cover (4), and the dropper The cap (3) is located above the sealing cover (4), and the body of the liquid sampling tube (9) is located below the sealing cover (4); the middle and lower part of the outer tube wall of the liquid sampling tube (9) is provided with a solid sampling brush (8); When collecting the sample, place the sample preservation solution (18) in the stool collection tube (101); the stool collection tube (101) is sealed and fixed by the above-mentioned sealing cover (4) and the stool collector (102); and the stool collection tube (101) The liquid level of the internal sample preservation solution (18) is higher than the top of the solid sampling brush (8) on the stool collector (102); A filter medium (14) is arranged in the filter (104); When separating the sample, the feces collection tube (101) and the sample storage tube (103) are respectively sealed and fixed on the upper and lower sides of the filter medium (14) through the filter (104); When storing samples, the sample storage tube sealing cover (105) is sealed and fixed with the sample storage tube (103). 2. The novel stool collection processor according to claim 1, characterized in that: the pipe wall of the liquid sampling pipe (9) is transparent, and a sampling volume indication area (7) is arranged on the top of the pipe wall. 3. The novel stool collection processor according to claim 1, characterized in that: the tube wall of the sample storage tube (103) is transparent, and a scale line (12) is arranged on the tube wall. 4. The novel stool collection processor according to claim 1, characterized in that: a first sealing gasket (6) is arranged in the sealing cover (4) of the stool collection device (102); A second sealing gasket (16) is arranged inside the sealing cover (105) of the sample storage tube. 5. The novel stool collection processor according to claim 1, characterized in that: the stool collection pipe (101) and the sealing cover (4) are fixed by threads; and/or The feces collection tube (101), the sample storage tube (103) and the filter (104) are respectively threaded; and/or The sample storage tube sealing cover (105) and the sample storage tube (103) are fixed by threads. 6. The novel stool collection processor according to claim 1, characterized in that: the bottom of the sample storage tube (103) is tapered. 7. The novel stool collection processor according to claim 1, characterized in that: the bottom of the stool collection pipe (101) is a round-bottom self-supporting design.