CN212807651U - Fecal sample collection device with sealing cover - Google Patents

Abstract

The utility model relates to a fecal sample collection device with sealed lid belongs to medical instrument technical field. The utility model comprises a sampling component, a mixing tube, a detecting tube and a sealing cover, wherein the sampling component comprises a cap and a sampling rod; the top of the mixing tube is provided with a through hole for placing the sampling rod, the mixing tube is internally provided with diluent, and the tube body of the mixing tube is a hose; the detection tube is connected below the mixing tube, a filter membrane is arranged at the upper part of the detection tube, a water outlet is arranged below the filter membrane, and diluent can enter the detection tube through the filter membrane; the sealing cover is connected with the detection tube and comprises a cap cover and a sealing plug, and the sealing plug can block the water outlet below the filter membrane. The utility model discloses a simplify excrement and urine collection system's structure, ensure the accuracy of sample test result, and this sealing plug can make excrement and urine sample collection system the intraductal liquid of mixing can not get into the detecting tube in the transportation, also can add the lid again after detecting, avoids the sample to flow back to the mixing chamber, has promoted the convenience and the accuracy that detect.

Description

Fecal sample collection device with sealing cover

Technical Field

The utility model relates to the technical field of medical equipment, in particular to chemical examination device technical field specifically indicates a fecal sample collection system with sealed lid.

Background

The fecal detection is one of clinical routine laboratory test items, for example, fecal occult blood is an early warning for digestive tract abnormality, and the detection of relevant indexes on fecal samples is of great significance for early screening of digestive tract malignant tumors (such as colorectal cancer, gastric cancer, polyp and adenoma).

In the excrement detection process, excrement sampling is usually carried out by means of a collection spoon/sampling rod, and then the collection spoon/rod after the sample collection is arranged in a disposable storage tube body matched with the collection spoon/rod, and is stored in a sealed mode so as to carry out subsequent detection operation. The collection, filtration and detection involve a plurality of devices and are complicated to operate. In the operation process, excrement residues are easy to block a pipettor and a detection instrument to cause liquid suction deviation, and turbidity change in reaction liquid or some non-specific adsorption in a system can be caused to interfere with a detection result, so that the final detection result is influenced. In addition, most detection operators are more exclusive to the operation of directly contacting the stool sample because of the particularity of the stool sample, and how to realize the non-contact stool operation in the detection process is also very important.

Therefore, there is a need for a sampling device to conveniently realize the collection of fecal samples, the preparation and detection of fecal sample liquid, and make the collection and detection of samples more convenient, accurate and sanitary.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at having overcome the shortcoming among the above-mentioned prior art, provide one kind and can be to the effective sampling of excrement and urine sample, the quick and sanitary preparation of excrement and urine sample liquid to and to wait to examine the sealed method of preserving of sample. Greatly simplifies the preparation and the preservation of the excrement sample liquid.

In order to achieve the above object, the present invention has the following configurations:

this faecal sample collection device with sealing lid includes: the sampling component comprises a cap and a sampling rod fixed below the cap; the top of the mixing pipe is provided with a through hole for the sampling rod to be placed in, diluent is arranged in the mixing pipe, and the pipe body of the mixing pipe is a hose; the detection tube is connected below the mixing tube, a filter membrane is arranged at the upper part of the detection tube, a water outlet is arranged below the filter membrane, and the diluent can enter the detection tube through the filter membrane; the sealing cover is connected with the detection tube and comprises a cap cover and a sealing plug fixed above the cap cover, the sealing plug is composed of a sealing rod and a blocking disc fixed above the sealing rod, and the blocking disc can block the water outlet.

In the excrement sample collection device with the sealing cover, the water outlet is circular, and the diameter range is 0.1 cm-1 cm.

In the excrement sample collecting device with the sealing cover, the sealing rod is a cylinder, and the diameter of the sealing rod ranges from 0.1cm to 0.3 cm.

In the excrement sample collection device with the sealing cover, the blocking disc is a cylinder, the diameter of the blocking disc is larger than that of the sealing rod and that of the water outlet, and the diameter range of the blocking disc is 0.2 cm-1.2 cm.

In the excrement sample collection device with the sealing cover, the sealing cover is in threaded sealing connection with the detection pipe.

In the excrement sample collection device with the sealing cover, the sealing cover is connected with the detection pipe through threads or buckles.

The excrement sample collecting device with the sealing cover comprises a sampling part, a mixing pipe, a detection pipe and the sealing cover, wherein the sampling part comprises a cap and a sampling rod fixed below the cap; the top of the mixing tube is provided with a through hole for placing the sampling rod, the mixing tube is internally provided with diluent, and the tube body of the mixing tube is a hose; the detection tube is connected below the mixing tube, a filter membrane is arranged at the upper part of the detection tube, a water outlet is arranged below the filter membrane, and diluent can enter the detection tube through the filter membrane; the sealing cover is connected below the detection tube and comprises a cap cover and a sealing plug fixed above the cap cover, and the sealing plug can block the water outlet below the filter membrane. The utility model discloses a simplify excrement and urine collection system's structure, promoted the operation convenience, ensured the accuracy of sample test result, and this sealing plug can make this excrement and urine sample collection system the intraductal liquid of mixing can not get into the detecting tube in the transportation, for subsequent detection provides the convenience, this sealed lid also can add the lid again after detecting, avoids the sample to flow back to the mixing chamber, can be used to the save of surplus sample, is convenient for reinspection etc..

Drawings

Fig. 1 is a schematic structural view of an embodiment of the fecal sample collecting device of the utility model;

FIG. 2 is a schematic flow chart of the fecal sample collection method of the utility model;

fig. 3 is a schematic structural view of a sealing cover in the fecal sample collecting device of the utility model;

fig. 4 is an external view of the feces sample collection device of the utility model;

description of the symbols:

1, capping; 2, sampling rod; 3, uniformly mixing the mixture; 4, diluting liquid; 5, filtering the membrane; 6, detecting a tube; 7, sealing the cover; 8, a plugging disc; 9 sealing the rod; 10 cap(s).

Detailed Description

In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned.

Please refer to the embodiment shown in fig. 1, which is a schematic structural view of an embodiment of the fecal sample collecting device with a sealing cover of the present invention, and fig. 4 is an external view corresponding to fig. 1.

In the embodiment, the feces sample collection device with the sealing cover comprises a sampling part, wherein the sampling part consists of a cap 1 and a sampling rod 2, and the bottom of the sampling rod 2 is provided with a threaded groove for sampling a feces sample; the blending pipe 3 consists of a sample quantifying component and a blending cavity, a sample quantifying hole with the same diameter as the sampling rod 2 is arranged in the sample quantifying component, and diluent 4 is arranged in the blending pipe 3; the sampling rod 2 can be inserted into the diluent 4 of the blending pipe 3 through a sample quantifying hole; the detection tube 6 adopts threaded connection in the below of mixing pipe 3, 6 inner chambers of detection tube highly be 2.5cm, the diameter is 1cm, the body is the hyaline tube, upper portion is provided with filter membrane 5, the filter fineness of filter membrane 5 is 50 μm, the filter membrane 5 below is provided with the delivery port that the diameter is 0.6cm, the below is provided with sealed lid 7, sealed lid 7 and 6 threaded seal of detection tube are connected, sealed lid 7 comprises sealing plug and cap 10, the delivery port below filter membrane 5 can be stopped up to the sealing plug, the sealing plug comprises sealing rod 9 and jam dish 8, this sealing rod 9 is the cylinder, its diameter is 0.2cm, the jam dish 8 is the cylinder, its diameter is 0.8 cm.

In the method for collecting the fecal sample with the sealing cover by using the preferred device, the diameter of the water outlet can be 0.4cm, and the diameter of the blocking disk 8 can be 0.6 cm.

In the method for collecting the fecal sample with the sealing cover by using the preferred device, the diameter of the water outlet can be 0.8cm, and the diameter of the blocking disk 8 can be 1 cm.

The method for collecting a stool sample by using the device of the embodiment, as shown in fig. 2, comprises the following steps:

(A) collecting a stool sample by using a sampling rod;

(B) inserting the sampling rod into a mixing tube, and mixing the excrement sample with the diluent in the mixing tube;

(C1) and extruding the pipe wall of the mixing pipe to make the sample to be detected enter the detection pipe through the filter membrane.

(C2) Blocking the water outlet below the filter membrane by a sealing plug

In the method for collecting a stool sample with a sealing cover by using the preferred device, the step (a) is specifically as follows: the sampling part comprises cap 1 and sampling stick 2, 2 bottoms of sampling stick be provided with the screw thread slot, the excrement and urine of sampling can inlay in the screw thread slot, make excrement and urine fill up the screw thread slot.

In the method for collecting a stool sample with a sealing cover by using the preferred device, the step (B) is specifically as follows: a sample quantifying component in the blending component is provided with a sample quantifying hole with the same diameter as the sampling rod 2, and the upper part of the sample quantifying hole is a cavity with the diameter larger than that of the sampling rod; the sampling rod 2 after the excrement sample is collected is inserted into the sample quantifying hole, excrement which is only embedded in the thread groove can enter the mixing pipe through the sample quantifying hole, and redundant excrement is left in the cavity at the upper part of the sample quantifying component, so that uniform and quantitative excrement sample collection is realized. The sampling component and the mixing tube 3 are mutually fixed through threads, and the top of the mixing tube 3 and the top of the mixing component are sealed. The mixing method comprises the steps of vibrating and mixing the excrement sample and the diluent 4, inverting the excrement sample collection device, and centrifugally rotating at the rotating speed of 3000r/min for 10 minutes to enable excrement impurities to be precipitated downwards, so that the phenomenon that a filter membrane is blocked during filtering to influence the filtering effect is avoided, and meanwhile, the probability that a detection instrument is blocked or liquid taking is inaccurate due to the fact that a small amount of excrement particles are carried in the filtered sample to be detected can be reduced.

In the method for collecting the fecal sample by using the preferred device, when the filtration precision of the filter membrane 5 is 50 μm and the time is 10 minutes, the centrifugal rotation speed can be 1000r/min, 5000r/min and 10000 r/min; when the rotating speed is 3000r/min and the filtering precision is 50 μm, the time can be 5 minutes or 15 minutes; the filtration precision of the filter membrane 5 can also be selected to be 100 μm, 20 μm or 10 μm.

In the method for collecting a fecal sample with a sealing cover using the preferred device, the step (C1) is specifically: the blending pipe 3 is extruded, the volume of the blending pipe 3 is reduced, a sample to be detected upwards enters the detection pipe 6 through the filter membrane 5, excrement residues are left in the blending pipe 3, the filtering of the sample to be detected is realized, and the filtered sample to be detected is stored in the detection pipe 6.

In the method for collecting a fecal sample with a sealing cover using the preferred device, the step (C2) is specifically: the sealing cover 7 is connected with the mixing tube detection tube 6, and the sealing plug in the sealing cover 7 blocks the water outlet below the filter membrane 5, so that a sample to be detected in the mixing tube 3 cannot enter the detection cavity 6 through the filter membrane 5.

Above-mentioned excrement and urine sampling method is easy and simple to handle, from the storage of excrement and urine sampling to sample liquid and prepare, only needs this utility model's excrement and urine sample collection system alright completion, has retrencied sampling and sample liquid by a wide margin and has prepared the flow and increased the convenience of operation. The whole process of the detection personnel does not need to contact the excrement, the detection personnel is clean and sanitary, and the danger of infectious diseases infected by the excrement is also avoided. Through realize mixing and filtering in sealed excrement and urine sample sampling device, the in-process does not contact external environment, increases substantially the accuracy of testing result. In addition, the liquid to be tested of the sample of the excrement sample collecting device is convenient to transport, the mixing pipe can be plugged in a sealing mode, the liquid to be tested of the sample in the mixing pipe can not enter the detection cavity through the filter membrane when being transported, and convenience is brought to later detection.

In the practical application of the utility model, the use process is as follows:

taking the embodiment shown in fig. 1 and 3 as an example, an inspector holds a sampling component, and sequentially scribes in a grid shape in the uniform vertical direction and the horizontal direction to sample an excrement sample, wherein the excrement sample is adhered to the bottom end of a sampling rod, the sampling rod is inserted into a uniformly mixing component, the sample quantifying component is provided with a sample quantifying hole, the sample is embedded into a threaded groove at the bottom end of the sampling rod through the sample quantifying hole, and redundant excrement is left in an upper cavity of the sample quantifying component to realize accurate quantification of sampling; screwing a cap of the sampling component, hermetically connecting the sampling component with the mixing component, shaking and mixing the excrement sample and the diluent in the mixing component, and then precipitating excrement impurities by adopting centrifugal rotation; connecting a sealing cover with the detection tube, wherein a sealing plug in the sealing cover blocks a water outlet below the filter membrane, so that a sample to be detected cannot enter the detection tube; and taking down the sealing cover, extruding the wall of the mixing cavity to reduce the volume of the mixing cavity, and allowing the liquid to be detected to enter the detection tube through the filter membrane to complete the filtering step, thereby realizing the residue separation of the sample to be detected.

The excrement sample collecting device with the sealing cover adopts an integrated design, the sealing performance is good, the whole process is completed in the inner cavity of the device from sampling to sample liquid, the excrement sample is effectively prevented from polluting a pipe opening or an operation table and the like, the risk of propagation of germs in unclean and dripped samples of a pipe body and the like is caused, the sample treatment is completed in the pipe, and the detection operation is safe, simple and free from contact with the excrement sample in the whole process.

The mixing pipe and the detecting pipe of the excrement sample collecting device with the sealing cover of the utility model are made of transparent materials, so that the collection, the mixing and the filtering process can be visually seen, and convenience is increased for the operation of detection personnel.

Adopted this utility model's excrement and urine sample collection system with sealed lid still is provided with sealed lid, and it can be sealed in the mixing pipe with waiting to examine sample liquid, makes and waits to examine the sample and can not get into the detecting tube in the transportation, for later inspection convenience and improvement accuracy provide, should seal the lid also can add after detecting again and cover, avoids the sample to flow back to the mixing chamber, can be used to the save of surplus sample, is convenient for reinspection etc..

In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims (6)

1. A fecal sample collection device having a sealing cover comprising:

the sampling component comprises a cap and a sampling rod fixed below the cap;

the top of the mixing pipe is provided with a through hole for the sampling rod to be placed in, diluent is arranged in the mixing pipe, and the pipe body of the mixing pipe is a hose;

the detection tube is connected below the mixing tube, a filter membrane is arranged at the upper part of the detection tube, a water outlet is arranged below the filter membrane, and the diluent can enter the detection tube through the filter membrane;

the sealing cover is connected with the detection tube and comprises a cap cover and a sealing plug fixed above the cap cover, the sealing plug consists of a sealing rod and a blocking disc fixed above the sealing rod, and the blocking disc can block the water outlet.

2. The fecal sample collection device with sealing cover of claim 1 wherein the water outlet is circular with a diameter ranging from 0.1cm to 1 cm.

3. The fecal sample collection device having a sealing cover of claim 1 wherein the sealing rod is a cylinder with a diameter ranging from 0.1cm to 0.3 cm.

4. The fecal specimen collecting device with sealing cover according to claim 1 characterized in that the blocking disk is a cylinder with a diameter larger than the sealing rod and the water outlet, the diameter of the blocking disk ranges from 0.2cm to 1.2 cm.

5. The fecal sample collection device having a sealing cover according to claim 1 wherein the sealing cover is sealingly connected to the test tube.

6. The device of claim 1, wherein the sealing cap is threadably or snap-fit to the tube.

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