CN212432746U - Excrement sample collection device and detection frame - Google Patents

Abstract

The utility model relates to an excrement and urine sample collection system and test stand belongs to medical instrument technical field. The utility model comprises a sampling component, a mixing tube and a detecting tube, wherein the sampling component comprises a cap and a sampling rod fixed under the cap, the top of the mixing tube is provided with a through hole for placing the sampling rod, the bottom of the mixing tube is provided with a filter membrane, diluent is arranged in the mixing tube, and the tube body of the mixing tube is a hose; the detection tube is connected below the mixing tube, and the diluent can enter the detection tube through the filter membrane. The utility model discloses a still include an excrement and urine sample collection device testing stand, this testing stand is provided with at least one fixed position, and this fixed position openly is provided with the opening, and the inboard is provided with protruding structure, inverts foretell excrement and urine sample collection device and puts into fixed position, and this protruding structure extrusion mixing pipe wall makes the diluent permeate filtration membrane get into the test tube. The utility model discloses a simplify excrement and urine collection system's structure, promoted the operation convenience, ensured the accuracy of sample testing result.

Description

Excrement sample collection device and detection frame

Technical Field

The utility model relates to the technical field of medical equipment, in particular to chemical examination device technical field specifically indicates an excrement and urine sample collection system and test rack.

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 sanitary preparation of excrement and urine sample liquid to and accurate convenient excrement and urine sample detection method. Greatly simplifying the processes of preparing and detecting the excrement sample liquid.

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

this faecal sample collection device comprises: 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, the detection tube connect in mixing pipe below, this detection tube upper portion is provided with the filter membrane, the filter membrane below is provided with the delivery port, the bottom is connected with sealed lid, the permeable filter membrane of diluent get into the detection tube.

In the device for collecting the fecal sample, the detection tube is hermetically connected with the mixing tube.

In the device for collecting the fecal sample, the detection tube is connected with the mixing tube by screw threads or buckles. In the device for collecting the fecal sample, the height of the inner cavity of the detection tube is 1.5cm to 2cm, and the diameter is 1cm to 2 cm.

In the device for collecting the fecal sample, the diameter of the inner cavity of the detection tube is 1.4 cm.

In the device for collecting the fecal sample, two ends of the detection tube are opened, and the detection tube is a transparent tube.

In the device for collecting the fecal sample, the filter membrane is a filter membrane with the filtration precision of 50 μm.

In the device for collecting the fecal sample, a sealing cover is arranged below the detection tube and is connected with a sealing plug,

the sealing plug can block the water outlet below the filter membrane.

The utility model discloses a still include one kind and cooperate the excrement and urine sample collection device testing stand that uses with above-mentioned device, it includes: at least one fixed position, the fixed position inboard be provided with protruding structure, with above-mentioned arbitrary excrement and urine sample collection system invert put into this fixed position, this protruding structure extrusion the mixing pipe wall make the mixing pipe volume reduce, the diluent permeate the filter membrane and get into the detection tube that is located the top.

In this excrement and urine sample collection device test rack, including 5 single fixed positions of arranging, every fixed position inboard all is provided with 2 protruding structures.

In the stool sample collecting device detection frame, the height of the bulge structure is 0.3 cm-0.8 cm.

In the excrement sample collecting device detection frame, a data label is arranged on the outer wall of the excrement sample collecting device, an opening is formed in the front face of the fixing position, and when the excrement sample collecting device is placed in the fixing position, the data label is displayed in the position of the opening.

In the excrement sample collecting device detection frame, one side of the back surface of the detection frame is provided with a chamfer with the diameter of more than 7cm, and the corresponding side of the front surface of the detection frame is provided with a chamfer surface.

The excrement sample collecting device comprises a sampling part, a mixing pipe and a detecting pipe, wherein the sampling part 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 connect in mixing pipe below, this detection tube upper portion is provided with the filter membrane, the permeable filter membrane of diluent gets into this detection tube. The utility model discloses a fecal sample collection device testing stand, it is provided with at least one fixed position, and this fixed position openly is provided with the opening, and the inboard is provided with protruding structure, can with fecal sample collection device's sealed lid take off and invert and put into this fixed position, this protruding structure extrusion mixing pipe wall makes mixing pipe volume reduce, makes the diluent permeate filter membrane get into the test tube, is provided with the data label on foretell fecal sample collection device's the outer wall, and the opening of the fixed position of check out test set accessible reads this data label, and generate with the testing result that label information corresponds has increased the convenience of detecting the flow and has ensured the sample test result accuracy. The utility model discloses a simplified excrement and urine sample collection system's structure, promoted its operation convenience, ensured the sample testing result accuracy. The utility model discloses a from the whole in-process that the excrement and urine sample was gathered and was detected, the testing personnel need not direct contact excrement and urine sample, this utility model is clean, sanitary and effectively prevent the infectious disease to spread through excrement and urine.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the fecal sample collecting device of the present invention.

Fig. 2 is a schematic flow chart of the fecal sample collecting method of the utility model.

Fig. 3 is a schematic structural view of the stool sample collection device detection frame of the utility model.

Fig. 4 is a schematic flow chart of the fecal specimen detection method of the utility model.

Fig. 5 is a reference diagram of the usage status of the stool sample collection device and the stool sample collection device testing stand.

Fig. 6 is an external view of the fecal specimen collecting device of the present invention.

FIG. 7 is a diagram showing the specific effect of the sample to be tested after being filtered by centrifugal rotation at different rotation speeds.

FIG. 8 is a diagram showing the specific effect of the sample to be tested after being filtered by centrifugal rotation at different times.

FIG. 9 is a diagram showing the effects of using filtration membranes of different filtration precisions without using centrifugal rotation.

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, fixing the position; 9, a convex structure; 10 data tag.

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 diagram of an embodiment of the fecal sample collecting device of the present invention, and fig. 6 is an external view corresponding to fig. 1.

In the embodiment, the fecal sample collecting device 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 fecal sample; the blending pipe 3 consists of a sample quantifying component, a blending cavity and a filtering component, a sample quantifying hole with the same diameter as the sampling rod 2 is arranged in the sample quantifying component, diluent 4 is arranged in the blending pipe 3, and the sampling rod 2 can be inserted into the diluent 4 of the blending pipe 3 through the sample quantifying hole; the detection tube 6 adopts threaded connection in the below of mixing pipe 3, the detection tube 6 highly be 2cm, the diameter is 1.4cm, the body is the hyaline tube, this detection tube upper portion is provided with filter membrane 5, the filter membrane 5 below is provided with the delivery port, this detection tube below is provided with sealed lid 7, is provided with the sealing plug on the sealed lid 7, the delivery port of filter membrane 5 below can be plugged up to this sealing plug.

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;

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

In the method for collecting a stool sample 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 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 3 through the sample quantifying hole, and redundant excrement is remained in a cavity on the upper part of the sample quantifying component, so that uniform and quantitative excrement sample collection is realized. The sampling component and the blending pipe 3 are mutually fixed through threads, and the top of the blending pipe 3 and the top of the blending component are sealed; the mixing method comprises the steps of shaking and mixing the excrement sample and the diluent, then 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 excrement impurities are prevented from blocking a filter membrane to influence the filtering effect, and meanwhile, the probability of blockage of a detection instrument or inaccurate liquid taking caused by carrying a small amount of excrement particles 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 10000r/min, and the specific situation is shown in FIG. 7; when the rotating speed is 3000r/min and the filtering precision is 50 μm, the time can be 5 minutes or 15 minutes, and the specific situation is shown in FIG. 8; the filtration precision of the filter membrane 5 can also be selected from 100 μm, 20 μm or 10 μm, and FIG. 9 is a specific state diagram when centrifugal rotation is not adopted.

In the method for collecting a stool sample by using the preferred device, the step (C) is specifically as follows: 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 with the filtering precision of 50 mu m, 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.

As shown in fig. 3, in order to realize the more preferred excrement sample collection device test stand embodiment of this utility model, it includes 5 single fixed positions 8 of arranging, and every fixed position 8 inboard is provided with 2 protruding structures 9, and protruding structure height is 0.5cm, puts into this fixed position 8 with foretell excrement sample collection device, and this protruding structure 9 extrudees 3 pipe walls of mixing pipe make 3 volumes of mixing pipe reduce, diluent 4 see through filter membrane 5 and get into test tube 6 in order to accomplish the filtration step, the excrement and urine residue is stayed in mixing pipe 3.

The fecal sample testing method implemented by using the more preferable fecal sample collecting device and fecal sample collecting device testing stand, as shown in fig. 4, includes 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;

(c) placing the excrement sample collection device on a detection frame of the excrement sample collection device in an inverted mode, and enabling the sample to be detected in the mixing tube to enter the detection tube through the filter membrane;

(d) and putting the excrement sample collecting device detection frame into detection equipment for assay.

As shown in fig. 5, in the fecal sample testing method, the step (c) specifically comprises: the mixing pipe of excrement sample collection system is the hose, and the excrement sample collection system who will accomplish (a), (b) step is invertd and is inserted excrement sample collection system test rack, and there is protruding structure 9 fixed position 8 inboard of test rack, and the pipe wall of this protruding structure 9 extrusion excrement sample collection system mixing pipe 3 makes mixing pipe 3 volume reduce, the inspection sample see through filter membrane 5 and get into test tube 6 in order to accomplish the filtration step to leave the excrement and urine residue in mixing pipe 3, the diluent 4 after the filtration is deposited in test tube 6.

In the method for detecting a fecal sample using the preferred device, the step (d) is specifically as follows: and (c) placing the stool sample collecting device detection frame which finishes the step (c) under detection equipment, wherein a data label 10 is arranged on the outer wall of the stool sample collecting device, and the detection equipment can read the data label 10 and generate a detection result corresponding to the label information.

The excrement sampling method is simple and convenient to operate, and can be completed from excrement sampling to sample liquid preparation only by the excrement sample collecting device and the detection frame, so that the sampling and sample liquid preparation processes are greatly simplified, and the convenience of operation is improved. 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 detection method of the excrement sample is simple and convenient to operate and high in accuracy, detection personnel only need to put the detection frame into the detection equipment, the detection equipment automatically reads the label on the outer wall of the excrement collecting device, detection data corresponding to the label are automatically generated, the detection process is simple and convenient, and the result accuracy is high.

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, connecting the sampling component and the mixing component in a sealing way, shaking and mixing the excrement sample and the diluent in the mixing component uniformly, inverting and centrifugally rotating the mixture to enable excrement impurities to be precipitated downwards; in being fixed in excrement and urine sample collection device detection frame with excrement and urine sample collection device inversion, there is protruding structure in the fixed position of detection frame, this protruding structure can extrude the pipe wall of mixing pipe, and the volume of mixing pipe reduces, makes the sample of waiting to examine after the mixing upwards permeate the filter membrane and get into the test tube in order to accomplish filterable step, and faecal residue is stayed in the mixing pipe, has realized waiting to examine the residue separation of sample, can directly arrange the detection frame in the check out test set afterwards and detect. The detection equipment can directly read the data label on the outer wall of the excrement sample acquisition device, and can automatically generate a detection result corresponding to the label information.

Excrement and urine sample collection system adopts the integrated design, and the leakproofness is good, from sampling to the preparation of sample liquid, and whole journey is all accomplished in the device's inner chamber, has effectively stopped excrement and urine sample pollution mouth of pipe or operation panel etc. and has caused the propagation of the germ in unclean, the drippage sample of body etc. and so on the risk, and sample treatment accomplishes intraductally, and the whole safety of detection operation, simple, contactless excrement and urine sample.

The utility model discloses a simple structure and practicality, the collection of completion excrement and urine sample that can be very convenient and the filtration of sample liquid, and this utility model's mixing pipe and detection tube all are the hyaline tube, can audio-visually see the collection, and the mixing filters the flow, and the operation for the measurement personnel increases the facility.

This excrement and urine sample collection system is provided with sealed lid, and it can be sealed in the mixing pipe with waiting to examine the sample liquid, makes and waits to examine the sample and can not get into the detection tube in the transportation, for inspection later provides convenience and improvement accuracy, and this sealed lid also can be with 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..

This excrement and urine sample collection system is with the excrement and urine and the diluent mixing back of gathering, directly put into the test rack alright accomplish the filtration of waiting to examine sample liquid to wait to examine sample liquid after will filtering and deposit in detecting the intracavity, whole process is quick, simple and convenient, the health. The outer wall of the excrement sample collecting device is also provided with a data label, and the detection equipment can automatically read the data label and generate a detection result corresponding to the label information. In the whole process from sampling to detection, the sample to be detected is not contacted with the external environment, so that the detection result is prevented from being influenced by the pollution of the external environment on the detection sample. The utility model has the advantages of sanitation, simple operation and high accuracy.

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 (13)

1. A fecal sample collection device 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, the detection tube connect in mixing pipe below, this detection tube upper portion is provided with the filter membrane, the filter membrane below is provided with the delivery port, the permeable filter membrane of diluent get into the detection tube.

2. The fecal sample collecting device of claim 1 wherein the detection tube is sealingly connected to the mixing tube.

3. The fecal sample collecting device of claim 2 wherein the detection tube is connected with the mixing tube by a screw thread or a snap fit.

4. The fecal sample collection device of claim 1 wherein the test tube has a lumen height ranging from 1.5cm to 2cm and a diameter ranging from 1cm to 2 cm.

5. The fecal sample collection device of claim 4 wherein the detection tube has a lumen diameter of 1.4 cm.

6. The device for collecting a fecal sample according to claim 1 wherein the test tube is open at both ends and the tube body is a transparent tube.

7. The fecal sample collection device of claim 1 wherein the filter is a filter with a filtration precision of 50 μm.

8. The fecal sample collection device of claim 1 wherein the test tube has a sealing cap disposed below it, the sealing cap having a sealing plug attached to it, the sealing plug blocking the outlet port below the filter membrane.

9. The utility model provides a stool sample collection device testing stand which characterized in that includes:

at least one fixed position, the inner side of the fixed position is provided with a convex structure, the excrement sample collection device of any one of claims 1 to 7 is placed in the fixed position in an inverted mode, the convex structure extrudes the pipe wall of the mixing pipe to reduce the volume of the mixing pipe, and the diluent enters the detection pipe above the mixing pipe through the filter membrane.

10. The fecal sample collection device testing stand of claim 9 comprising 5 single aligned fixation sites with 2 raised structures on the inside of each fixation site.

11. The fecal sample collection device test rack of claim 9 or 10 wherein the height of the raised structure protrusions is 0.3cm to 0.8 cm.

12. The stool sample collection device testing stand of claim 9, wherein the outer wall of the stool sample collection device is provided with a data tag, the front surface of the fixing portion is provided with an opening, and when the stool sample collection device is placed in the fixing portion, the data tag is displayed at the position of the opening.

13. The stool sample collection device testing stand of claim 9, wherein a chamfer having a diameter of 7cm or more is provided on one side of the back surface and a chamfer is provided on the opposite side of the front surface.

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