CN204085944U - Fecal sample collector and fecal sample gather external member and toilet - Google Patents

Abstract

The utility model belongs to the field of medical inspection equipment and provides a stool sample collector, which includes a sampling tube for sucking a stool sample, a protection tube for protecting the upper end of the sampling tube, and a cover for the upper end of the protection tube to protect The lower end of the cylinder is provided with a through hole, and the upper end of the sampling tube is inserted into the protection cylinder through the through hole. A suction bag or a suction cylinder connected with the sampling tube can also be arranged in the protection cylinder. The stool sample collector can prevent the stool sample from being disturbed and polluted by the external environment, and is applicable to equipment for automatically collecting the stool sample. The utility model also provides a feces sample collection kit, which includes a sample tube and the above-mentioned stool sample collector, the sampling tube is inserted in the sample tube, and the protective tube is sealed and joined with the sample tube. The utility model also provides a toilet, which includes a barrel body, the above stool sample collection kit, and a clamping device for clamping and operating the stool sample collector. The toilet can realize fully automatic collection of fecal samples.

Description

Stool sample collector and stool sample collection kit and toilet

technical field

The utility model belongs to the field of medical testing equipment, in particular to a stool sample collector, a stool sample collection kit and a toilet.

Background technique

Stool (feces) routine examination is one of the three routine inspection items of medical examination (blood routine, urine routine, and stool routine). Stool routine examination is an important basis for the diagnosis of intestinal parasitic diseases and medical protozoan diseases, an important way for diarrhea diagnosis, differential diagnosis, etiological examination and etiological examination, and an indispensable method for digestive tract tumor screening. At the same time, routine stool testing is of great significance to the study of stool metagenomics, the prevention and treatment of diseases and the development of new drugs. The first step in routine stool testing is the collection of stool samples. At present, most stool samples are collected directly by human hands with simple tools (such as wooden sticks or cotton swabs). This method is easy to feel uncomfortable, and the collected samples are easy to be polluted by the outside world. Although there are some auxiliary tools in the prior art that are specially used for collecting fecal samples, these auxiliary tools still need to be operated manually to complete the sample collection, and the collected samples are also easily disturbed and polluted by external factors.

In addition, the utility model patent "toilet with feces sample collection function" (patent number 201320503711.1) provides a toilet with feces sample collection function. The toilet collects feces samples through a sampler. Although the sampler can Fecal samples are collected, but its structure cannot protect the collected fecal samples well, and it is easily disturbed and polluted by external factors. At the same time, according to the characteristics of automation technology requirements, this sampler is not conducive to fully automated sample collection. realization.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a stool sample collector that can prevent the stool sample from being disturbed and polluted by the external environment, which is suitable for automatic collection of stool samples and is conducive to the realization of automatic work .

The feces sample collector provided by the utility model is achieved in this way. A stool sample collector includes: a sampling tube for sucking a stool sample, a protective cylinder for protecting the upper end of the sampling tube and a cover for the The cover on the upper end of the protective tube, the two ends of the sampling tube are respectively provided with an upper nozzle and a lower nozzle, the protective tube has a cylinder cavity, and the lower end of the protective tube is provided with a tube for the upper end of the sampling tube to be inserted into. The upper end of the sampling tube is inserted into the through hole and penetrates into the cylinder cavity, the upper end of the protection cylinder is provided with a cylinder mouth, and the cylinder cover is closed on the cylinder mouth.

Further, the stool sample collector may also include a suction bag for providing suction force for the sampling tube and elastically compressible and resettable along its longitudinal direction, the suction bag is arranged in the cylinder cavity, so The suction bag has a cavity, the side wall of the suction bag is wavy and wrinkled, the lower end of the suction bag is provided with a suction nozzle, and the upper nozzle of the sampling tube is connected to the suction nozzle. .

Further, the stool sample collector may also include a suction cylinder for providing suction force for the sampling tube, the suction cylinder is arranged in the cylinder cavity, and the suction cylinder includes a sleeve, a piston And a core rod that can move along its axial direction in the sleeve, the sleeve has a movable chamber, the upper end of the sleeve is provided with an opening, the lower end of the sleeve is provided with a suction hole, and the sampling tube The upper nozzle of the upper nozzle is connected to the suction hole, the piston is adapted to the inner wall of the movable chamber, the piston is arranged at the lower end of the core rod, and the lower end of the core rod is inserted into the movable chamber Inside, the upper end of the core rod is provided with a head for bearing push and pull force.

Furthermore, the canister cover is engaged with the protective canister in a buckle.

Furthermore, the cylinder cover is threadedly engaged with the protection cylinder.

Preferably, the ring wall at the lower end of the sampling tube is provided with a burr structure for picking up stool samples.

The stool sample collector provided by the utility model has the following technical effects:

In the feces sample collector provided by the utility model, the upper end of the sampling tube is inserted into the protection cylinder, and the outer wall of the protection cylinder can be used as the force surface of the clamping force. The stool sample collector is clamped to protect the sampling tube. In addition, the cover is closed at the mouth of the protection cylinder to form a closed cylinder cavity, which can effectively protect the sampling tube that has collected the feces samples from interference and pollution of the external environment, and ensure the purity of the samples. The upper nozzle of the sampling tube is located in the cavity of the protection cylinder, which can be connected to the external suction device or the internal suction device provided by the stool sample collector. It has high flexibility and strong adaptability. It is conducive to the realization of automatic collection of stool samples.

The utility model also provides a stool sample collection kit, which includes a sample tube and the above-mentioned stool sample collector, the sample tube has a lumen for the lower end of the sample tube to be inserted into, and the upper end of the sample tube is provided with a The outer wall of the lower end of the protection tube is adapted to the joint port, the sampling tube is inserted into the lumen, and the lower end of the protection tube is inserted into the joint port and sealingly engaged with the joint port.

Further, the inner wall of the joint is provided with an internal thread, and the outer wall of the lower end of the protective tube is provided with an external thread adapted to the internal thread.

The stool sample collection kit provided by the utility model has the following technical effects:

The feces sample collection kit provided by the utility model realizes comprehensive protection of the sampling tube by adding a sample tube set at the lower end of the feces sample collector, so that the sampling tube is not disturbed and damaged by the outside world, and the sample in the sampling tube Free from external contamination and maintain its purity. In addition, the stool sample collection kit also facilitates the turnover and storage of stool samples.

The utility model also provides a toilet, which includes: a barrel body, the above stool sample collection set, a clamping device for clamping and operating the stool sample collector, the stool sample collection set and the clamping The devices are all arranged in the barrel body.

Further, the clamping device is provided with a suction machine that can provide suction force for the sampling tube, the suction machine is provided with a suction port, and the upper nozzle of the sampling tube is connected to the suction port.

The toilet provided by the utility model has the following technical effects:

The toilet provided by the utility model can realize fully automatic collection of feces samples by adopting the above-mentioned feces sample collection kit. The collection process is simple and convenient, and the collected feces samples are not affected or polluted by external factors.

Description of drawings

Fig. 1 is the schematic diagram of the first embodiment of the stool sample collection kit in the utility model;

Fig. 2 is the schematic diagram of the second embodiment of the stool sample collection kit in the utility model;

Fig. 3 is the schematic diagram of the third embodiment of the stool sample collection kit in the utility model;

Fig. 4 is a cross-sectional view of the protection cylinder in the embodiment of the present invention;

Fig. 5 is a cross-sectional view of the sample tube in the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1, the embodiment of the present utility model provides a stool sample collector 1, as the first embodiment of the utility model about the stool sample collector 1, which includes: a sampling tube 11 for sucking a stool sample , the protective tube 12 for protecting the upper end of the sampling tube 11 and the cover 13 covering the upper end of the protective tube 12, the two ends of the sampling tube 11 are respectively provided with an upper nozzle 111 and a lower nozzle 112, so The protective tube 12 has a cylinder chamber 121 (see Figure 4), the lower end of the protective tube 12 is provided with a through hole 122 for the upper end of the sampling tube 11 to be inserted, and the upper end of the sampling tube 11 is inserted into the The through hole 122 penetrates into the barrel cavity 121 , and the upper end of the protection barrel 12 is provided with a barrel opening 123 , and the barrel cover 13 is covered on the barrel opening 123 .

When the feces are sampled, the lower end of the sampling tube 11 is inserted into the feces, and the feces are sucked into the tube, wherein the sampling tube 11 can be provided with a suction force (suction force) by an external suction device, and the suction device is provided in the pipe of the sampling tube 11. Low air pressure, external atmospheric pressure squeezes feces into the sampling tube 11, thereby achieving the effect of absorbing feces. It should be noted that the suction force of the sampling tube 11 is not necessarily provided by an external suction device, but can also be provided by an internal suction device built into the stool sample collector 1 . When clamping the stool sample collector 1 , the outer wall of the protection tube 12 can be used as a force bearing surface, and the clamping device or human hands do not need to directly touch the sampling tube 11 , thereby protecting the sampling tube 11 . After the feces are sucked into the sampling tube 11, the cover 13 covers the mouth 123 of the protective tube to form a closed cavity 121 to further protect the upper end of the sampling tube 11 from external factors.

In the feces sample collector 1 provided by the embodiment of the present utility model, the upper end of the sampling tube 11 is inserted into the protection cylinder 12, and the outer wall of the protection cylinder 12 can be used as the bearing surface of the clamping force, and the clamping device or human hands do not need to directly The stool sample collector 1 can be clamped by touching the sampling tube 11 , thereby protecting the sampling tube 11 . In addition, the cylinder cover 13 is closed at the mouth 123 of the protection cylinder to form a closed cylinder cavity 121, which can effectively protect the sampling tube 11 that has collected the feces sample from the interference and pollution of the external environment, and ensure the purity of the sample. . The upper nozzle 111 of the sampling tube is located in the cylinder cavity 121 of the protection cylinder, which can be connected to the external suction device or the internal suction device provided by the stool sample collector 1. It has high flexibility and adapts to Strong performance, which is conducive to the realization of automatic collection of stool samples.

Referring to FIG. 2 , as the second embodiment of the stool sample collector 1 of the present invention, on the basis of the first embodiment, the stool sample collector 1 also includes a tube for the sampling tube 11 A suction bag 14 that provides suction force and can be elastically compressed and reset along its longitudinal direction, the suction bag 14 is arranged in the cylinder cavity 121, the suction bag 14 has a cavity, the The side wall is in the shape of corrugations. The lower end of the suction bag 14 is provided with a suction nozzle 141 , and the upper nozzle 111 of the sampling tube is connected to the suction nozzle 141 . It can be understood that the suction bag 14 in this embodiment is actually a specific implementation of the internal suction device mentioned in the first embodiment. Before sucking the feces sample, the suction bag 14 is squeezed longitudinally (in the automatic sampling process, the suction bag 14 can be squeezed by a specific extrusion device), and the wavy wrinkled side wall of the suction bag 14 becomes elastic. deformation, the suction bag 14 is compressed, and the air in the bag cavity is squeezed out. At this time, the lower nozzle 112 of the sampling tube 11 is inserted into the feces, and then the squeezing force is released, and the wave-shaped wrinkled shape of the suction bag 14 The side wall is reset, and low air pressure is formed in the sac cavity, thereby sucking the stool sample into the sampling tube 11 . The side wall of the suction bag 14 is wavy and wrinkled, and can be compressed longitudinally, which can absorb feces samples more effectively, and can also realize automatic sampling more easily, meeting the requirements of automatic sampling.

Referring to FIG. 3 , as the third embodiment of the stool sample collector 1 of the present invention, on the basis of the first embodiment, the stool sample collector 1 also includes a tube for the sampling tube 11 The suction cylinder 15 that provides the suction force, the suction cylinder 15 is arranged in the cylinder cavity 121, the suction cylinder 15 includes a sleeve 151, a piston 152 and can be inside the sleeve 151 along its axial direction Movable core rod 153, the sleeve 151 has a movable chamber, the upper end of the sleeve 151 is provided with an opening 1511, the lower end of the sleeve 151 is provided with a suction hole 1512, the upper nozzle 111 of the sampling tube is connected to the The suction hole 1512 is connected, the piston 152 is adapted to the inner wall of the movable chamber, the piston 152 is arranged at the lower end of the core rod 153, and the lower end of the core rod 153 is inserted into the movable chamber Inside, the upper end of the core rod 153 is provided with a head 154 for bearing push-pull force. The suction cylinder 15 in this embodiment is actually a suction device similar to a syringe, and it is also a specific implementation of the internal suction device mentioned in the first embodiment. Before sucking the feces sample, first push the core rod 153 longitudinally (in the automatic sampling process, the core rod 153 can be pushed by a specific push-pull device), and after the air in the movable chamber of the sleeve 151 is completely squeezed out, the The lower nozzle 112 of the sampling tube 11 is inserted into the feces, and then the core rod 153 is pulled longitudinally (in the automatic sampling process, the core rod 153 can be pulled by a specific push-pull device), and a low air pressure is formed in the movable cavity of the sleeve 151, Thus, the stool sample is drawn into the sampling tube 11 . The suction cylinder 15 is a syringe-like device with mature manufacturing technology and is easy to produce; the core rod 153 can move longitudinally, which can absorb feces samples more effectively, and can also realize automatic sampling more easily, meeting the requirements of automatic sampling.

Further, in various embodiments of the present utility model, the connection between the cylinder cover 13 and the protection cylinder 12 may be snap-fit or threaded. Of course, other feasible structures can also be used for combination between the cylinder cover 13 and the protection cylinder 12 .

In the practice of feces sample collection, it can be found that the sampling tube 11 is difficult to suck the excessively solid and dry feces into the pipe. In order to smoothly collect samples of this type of feces, the utility model provides an effective solution. Referring to Fig. 1-Fig. 3, as a preferred embodiment of the present invention, the ring wall at the lower end of the sampling tube 11 is provided with a burr structure 113 for picking up stool samples. Specifically, in this embodiment, the burr structure 113 is distributed at 1 cm from the end of the sampling tube 11 . The burr structure 113 is an outwardly protruding structure, which can be conical or mace-like. When the lower end of the sampling tube 11 is inserted into solid and hard feces and then pulled out, the feces will adhere to the burr structure. 113, the burr structure 113 can pick up feces, thereby realizing the sample collection of feces.

Continue to refer to Fig. 1-Fig. 3, the utility model embodiment also provides a kind of fecal sample collection set 2, it comprises sample tube 21 and above-mentioned fecal sample collector 1, see Fig. 5, described sample tube 21 has described The lower end of the sampling tube 11 is inserted into the lumen 211, and the upper end of the sample tube 21 is provided with an interface 212 adapted to the outer wall of the lower end of the protection cylinder 12, and the sampling tube 11 is inserted into the lumen 211 , the lower end of the protection tube 12 is inserted into the joint opening 212 and sealed with the joint opening 212 . Since the above-mentioned stool sample collector 1 has three implementations, therefore, the stool sample collection kit 2 will naturally also have three implementations.

After the stool sample collector 1 completes the sample collection, the lower end of the sampling tube 11 can be inserted into the lumen 211 of the sample tube 21, and at the same time, the protective tube 12 is combined with the joint port 212 of the sample tube 21 to form a closed lumen 211, so that , the lower end of the sampling tube 11 can be completely protected by the sample tube 21, so that it will not be disturbed by the outside world, and the sample will not be polluted by the outside world.

The feces sample collection kit 2 provided by the utility model realizes the comprehensive protection of the sampling tube 11 by adding the sample tube 21 sleeved on the lower end of the feces sample collector 1, so that the sampling tube 11 is not disturbed and destroyed by the outside world, The sample in the sampling tube 11 is not polluted by the outside, and its purity is maintained. In addition, the stool sample collection kit 2 also facilitates the turnover and storage of stool samples.

Referring to FIG. 4 and FIG. 5 , the inner wall of the joint 212 is provided with an internal thread 2121 , and the outer wall of the lower end of the protection tube 12 is provided with an external thread 124 adapted to the internal thread 2121 . The protective cylinder 12 and the sample tube 21 are combined by a screw structure, which has good sealing performance and facilitates the assembly of the two. Of course, other structures can also be used for combination between the two, such as snap-fit combination.

The embodiment of the utility model also provides a toilet (not shown in the figure), which includes: a barrel body, the above-mentioned stool sample collection kit 2, a clamping device for clamping and operating the stool sample collector 1, the Both the stool sample collection set 2 and the clamping device are arranged in the barrel. It is worth noting that the above-mentioned clamping device is not only used to clamp the stool sample collector 1, but also can be used to turn around, move, and rotate the stool sample collector 1, and can also be used to squeeze the suction bag 14, Push and pull the suction cylinder 15 .

The toilet provided by the embodiment of the utility model can realize fully automatic collection of feces samples by using the above-mentioned stool sample collection kit 2. The collection process is simple and convenient, and the collected stool samples are not affected or polluted by external factors.

Specifically, the clamping device is provided with a suction machine that can provide suction force for the sampling tube 11. The suction machine is provided with a suction port, and the upper nozzle 111 of the sampling tube is connected to the suction port. . It can be understood that the suction machine is actually the external suction device mentioned in the first embodiment of the above-mentioned stool sample collector 1, if the suction machine is used to provide suction force for the sampling tube 11, then there is no need to use The above-mentioned internal suction device (ie, the suction bag 14 and the suction cylinder 15).

It should be noted that the toilet provided by the embodiment of the utility model can also be equipped with various auxiliary equipment or specifically design the structure of the barrel body according to actual needs, so as to realize the automatic collection of feces samples more comprehensively, such as adding a storage device for storing feces samples. The collector 1 and the storage device of the sample tube 21, etc.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modification, equivalent replacement or improvement made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A stool sample collector, comprising: a sampling tube for sucking a stool sample, a protective tube for protecting the upper end of the sampling tube and a cover for the upper end of the protective tube, the The two ends of the sampling tube are respectively provided with an upper nozzle and a lower nozzle. The protective cylinder has a cylinder cavity. The lower end of the protective cylinder is provided with a through hole for the upper end of the sampling tube to be inserted. The upper end of the sampling tube is Inserted in the through hole and penetrated into the tube cavity, the upper end of the protection tube is provided with a tube mouth, and the tube cover is closed on the tube mouth. 2. The stool sample collector according to claim 1, further comprising a suction bag for providing suction force for the sampling tube and elastically compressible and resettable along its longitudinal direction, the suction bag is provided with In the cylinder cavity, the suction bag has a cavity, the side wall of the suction bag is wavy and wrinkled, the lower end of the suction bag is provided with a suction nozzle, and the upper tube of the sampling tube is The mouth is connected with the suction nozzle. 3. The stool sample collector according to claim 1, further comprising a suction cylinder for providing suction force for the sampling tube, the suction cylinder is arranged in the cylinder chamber, and The suction cylinder includes a sleeve, a piston and a core rod that can move along its axial direction in the sleeve, the sleeve has a movable chamber, the upper end of the sleeve is provided with an opening, and the lower end of the sleeve is provided with a There is a suction hole, the upper nozzle of the sampling tube is connected to the suction hole, the piston is adapted to the inner wall of the movable chamber, the piston is arranged at the lower end of the core rod, and the core rod The lower end is inserted into the movable cavity, and the upper end of the core rod is provided with a head for bearing push-pull force. 4 . The stool sample collector according to claim 1 , wherein the cartridge cover snaps into engagement with the protective cartridge. 5 . 5. The feces sample collector according to claim 1, wherein the cap is threadedly engaged with the protective tube. 6. The stool sample collector according to any one of claims 1-5, characterized in that: the ring wall at the lower end of the sampling tube is provided with a burr structure for picking up the stool sample. 7. A stool sample collection kit, characterized in that it comprises a sample tube and the stool sample collector according to any one of claims 1-6, the sample tube has a lumen for inserting the lower end of the sampling tube, The upper end of the sample tube is provided with an interface adapted to the outer wall of the lower end of the protection tube, the sampling tube is inserted into the lumen, the lower end of the protection tube is inserted into the interface and is connected to the The seam is in sealing engagement. 8 . The stool sample collection kit according to claim 7 , wherein an internal thread is provided on the inner wall of the joint, and an external thread adapted to the internal thread is provided on the outer wall of the lower end of the protective tube. 9. A toilet, characterized in that it comprises: a bucket body, the stool sample collection set according to claim 7 or 8, a clamping device for clamping and operating the stool sample collector, and the stool sample collection Both the kit and the clamping device are arranged in the barrel. 10. The toilet according to claim 9, characterized in that: said clamping device is provided with a suction machine that can provide suction force for said sampling tube, said suction machine is provided with a suction port, and said sampling tube The upper nozzle is connected to the suction port.