CN219385139U - Be used for high-efficient collection of excrement and urine sample and preprocessing device - Google Patents
Be used for high-efficient collection of excrement and urine sample and preprocessing device Download PDFInfo
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- CN219385139U CN219385139U CN202223371533.XU CN202223371533U CN219385139U CN 219385139 U CN219385139 U CN 219385139U CN 202223371533 U CN202223371533 U CN 202223371533U CN 219385139 U CN219385139 U CN 219385139U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a high-efficiency excrement sample collecting and preprocessing device, which belongs to the technical field of medical instruments and particularly relates to a high-efficiency excrement sample collecting and preprocessing device, comprising an excrement collecting assembly, an excrement collecting assembly and a sample storage assembly, wherein the excrement collecting assembly is detachably connected with the top end of the excrement collecting assembly.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a device for efficiently collecting and preprocessing a fecal sample.
Background
The fecal nucleic acid detection is a new detection item which is developed in recent years, and the pathophysiological changes of intestinal tracts can be known by detecting host free nucleic acid and intestinal microbial nucleic acid in the feces, so that the fecal nucleic acid detection is used for diagnosis (such as noninvasive early diagnosis of colorectal cancer), treatment (such as fecal flora transplantation treatment) and the like of intestinal diseases. The correct sample collection and preparation are the first step of the detection work and are also the key steps for ensuring the accuracy of the detection result. At present, most of the feces collection of medical institutions is that a patient scrapes the feces by using a disposable collection spoon and then loads the feces into a collection box, and after the feces are sent to a test room, the test staff picks the feces in the collection box and performs related operations such as host or intestinal microbial nucleic acid extraction after dilution treatment. However, this acquisition method has a number of drawbacks: the collection process is not sanitary enough, and the fecal sample is easy to pollute in the steps of collection, transportation and storage, so that the detection result is influenced; the patient can not necessarily meet the requirement of sample multipoint acquisition in the acquisition process, and the detection result can be influenced; the collected feces are not easy to remain, and the emitted smell affects the environment and causes discomfort to detection personnel; the collected solid feces contain a plurality of large-particle dietary fibers, food residues and the like, which can influence the efficiency of nucleic acid extraction and increase the working difficulty of detection personnel.
The prior Chinese patent CN207528471U discloses a novel fecal collection processor, although the patent has the following advantages:
1. the utility model can meet the requirement of fecal sample collection required by biomedical projects such as fecal nucleic acid detection, fecal flora classification or separation and the like; the solid sampling brush and the sampling tube are combined together, and the sample can be conveniently and reliably collected no matter whether the sample is liquid fecal water or milky or pasty solid fecal.
2. The utility model ensures that a series of operations such as feces collection, dilution and preservation, coarse filtration and the like are compactly connected and are performed in a closed and concentrated way, so that the sample collection flow is standardized, the operation is convenient and fast, the working efficiency is improved, and meanwhile, the collected samples are accurate in quantification and easy to store and transport.
3. According to the solid sampling brush, the requirement of multipoint sample collection can be met by brushing the surface sampling method of the excrement, and the accuracy of the excrement detection result is improved.
4. When the excrement collector is used, the drip tube cap can serve as a handle, and the sealing cover also plays a role of an isolation barrier, so that excrement is prevented from contacting skin, and safety, sanitation and no pollution during sample collection are ensured.
5. The filter can filter out large particulate matters such as dietary fibers, food residues and the like in the excrement, and is convenient for subsequent inspection operations such as nucleic acid extraction, flora separation and the like.
6. The product adopts double sealing measures of the screw thread and the sealing gasket, so that the safety and the sanitation of the feces and the sample preservation solution in the transportation process are ensured.
But this patent is when handling excrement and urine, need separate excrement and urine collector and excrement and urine collecting pipe, and the back is separated, is connected excrement and urine collecting pipe and sample storage tube again, and this can lead to its operation step comparatively complicated to can influence excrement and urine's treatment effeciency.
Therefore, the utility model relates to a device for efficiently collecting and preprocessing a fecal sample.
Disclosure of Invention
The present utility model has been made in view of the above and/or problems with existing devices for efficient collection and pretreatment of fecal samples.
It is therefore an object of the present utility model to provide a device for efficient collection and pretreatment of faecal samples, which solves the above mentioned problems.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
the device comprises a fecal collecting assembly, a fecal collecting assembly and a sample storage assembly, wherein the fecal collecting assembly is detachably connected with the top end of the fecal collecting assembly, and the bottom end of the fecal collecting assembly is detachably connected with the top end of the sample storage assembly;
the sample storage component comprises a storage tube and a flow control component arranged at the top of the storage tube, and the flow control component is detachably connected with the excrement collection component;
the flow control assembly comprises a first connecting plate and a second connecting plate, wherein the second connecting plate is fixedly arranged at the top of the storage tube, the first connecting plate is rotationally connected to the second connecting plate through the connecting assembly, a limiting assembly is arranged between the first connecting plate and the second connecting plate, a sealing ring is arranged at the joint of the first connecting plate and the second connecting plate, first through holes are formed in the two ends of the inner wall of the first connecting plate, filter screens are fixedly arranged at the inner wall of the first through holes, second through holes are formed in the inner walls of the two ends of the second connecting plate, the second through holes are arrayed in a cross shape, a connecting pipe is fixedly arranged at the top of the first connecting plate, and the excrement collecting assembly is connected with the inner wall threads of the connecting pipe.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the excrement collecting assembly comprises a collecting pipe and a piston which is connected with the inner wall of the collecting pipe in a sliding mode, a sealing ring is arranged at the joint between the collecting pipe and the piston, a lifting rod is fixedly installed on the piston, a driving block is fixedly installed at the top of the lifting rod, limiting plates are fixedly installed at two ends of the lifting rod, and the limiting plates are connected with the inner wall of the collecting pipe in a sliding mode.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the bottom of the collecting pipe is fixedly provided with an extension pipe, and a plurality of fixed sampling brushes are arranged on the extension pipe.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the top of collection pipe fixed mounting fixed block, fixed block threaded connection is on the top inner wall of excrement and urine collection subassembly.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the excrement collection assembly comprises a collection pipe and sample preservation liquid arranged inside the collection pipe, wherein limiting rods are fixedly installed on two sides of the inner wall of the top end of the collection pipe, the inner wall of the top end of the collection pipe is connected with a fixing block in a threaded mode, the fixing block is in contact with the limiting rods, and the bottom end of the collection pipe is connected with the inner wall of the connection pipe in a threaded mode.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the connecting assembly comprises an annular sliding block fixedly installed at the bottom of the first connecting plate and an annular sliding groove formed in the inner wall of the top end of the second connecting plate, the annular sliding block is connected with the inner wall of the annular sliding groove in a sliding mode, and the cross sections of the annular sliding groove and the annular sliding block are T-shaped.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the limiting assembly comprises a U-shaped plate, limiting grooves are formed in inner walls of two ends of the U-shaped plate, and a plurality of limiting columns are fixedly installed on the first connecting plate and the second connecting plate.
As a preferred embodiment of the present utility model, a device for efficient collection and pretreatment of fecal samples, wherein: the inner wall joint of U shaped plate first connecting plate with the second connecting plate, and the inner wall joint spacing post of spacing groove.
Compared with the prior art:
the flow control assembly solves the problems that at present, when fecal treatment is carried out, the fecal collector and the fecal collecting pipe are required to be separated, and after separation, the fecal collecting pipe and the sample storage pipe are connected, so that fecal treatment efficiency is greatly improved, meanwhile, the fecal collecting assembly is connected with the top end of the fecal collecting assembly, and the bottom end of the fecal collecting assembly is connected with the top end of the sample storage assembly, so that the structure is prevented from being detached and transported, and the phenomenon that a certain assembly is lost is avoided.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;
FIG. 4 is a schematic top view of a second connecting plate structure according to the present utility model;
FIG. 5 is a bottom view of a first connector plate according to the present utility model;
FIG. 6 is a schematic view of the U-shaped plate structure of the present utility model;
fig. 7 is a schematic top view of the connection of the lifting rod and the limiting plate of the utility model.
In the figure: the stool collection unit 2, the collection tube 21, the piston 22, the lifting rod 23, the limiting plate 24, the driving block 25, the fixing block 26, the extension tube 27, the fixed sampling brush 28, the stool collection unit 3, the collection tube 31, the sample preservation liquid 32, the limiting rod 33, the sample storage unit 4, the storage tube 41, the flow control unit 42, the first connection plate 422, the second connection plate 423, the first through hole 424, the filter screen 425, the second through hole 426, the connection tube 427, the annular chute 4821, the annular slider 4822, the U-shaped plate 4291, the limiting groove 4292, and the limiting post 4293.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a high-efficiency fecal sample collecting and preprocessing device, referring to fig. 1-7, comprising a fecal collecting assembly 2, a fecal collecting assembly 3 and a sample storing assembly 4, wherein the fecal collecting assembly 2 is detachably connected with the top end of the fecal collecting assembly 3, and the top end of the bottom end sample storing assembly 4 of the fecal collecting assembly 3 is detachably connected.
The excrement collecting assembly 2 comprises a collecting tube 21 and a piston 22 which is connected with the inner wall of the collecting tube 21 in a sliding mode, a sealing ring is arranged at the joint between the collecting tube 21 and the piston 22, a lifting rod 23 is fixedly installed on the piston 22, a driving block 25 is fixedly installed at the top of the lifting rod 23, limiting plates 24 are fixedly installed at two ends of the lifting rod 23, the limiting plates 24 are connected with the inner wall of the collecting tube 21 in a sliding mode, an extension tube 27 is fixedly installed at the bottom of the collecting tube 21, a plurality of fixed sampling brushes 28 are arranged on the extension tube 27, a fixing block 26 is fixedly installed at the top end of the collecting tube 21, and the fixing block 26 is connected with the inner wall of the top end of the excrement collecting assembly 3 in a threaded mode.
The excrement collection assembly 3 comprises a collection pipe 31 and sample preservation liquid 32 arranged in the collection pipe 31, wherein limit rods 33 are fixedly arranged on two sides of the inner wall of the top end of the collection pipe 31, the inner wall of the top end of the collection pipe 31 is in threaded connection with a fixed block 26, the fixed block 26 is in contact with the limit rods 33, the bottom end of the collection pipe 31 is in threaded connection with the inner wall of a connecting pipe 427, and the sample preservation liquid 32 can effectively inhibit the activity of biological enzymes in excrement in a period of time under the condition that a fresh excrement sample cannot be deeply frozen, so that the purpose of preserving nucleic acid and intestinal flora in excrement is achieved.
The sample storage component 4 includes the bin pipe 41 and installs the flow control component 42 at the bin pipe 41 top, the last detachable connection excrement and urine collection subassembly 3 of flow control component 42, flow control component 42 includes first connecting plate 422 and second connecting plate 423, the top fixed mounting second connecting plate 423 of bin pipe 41, pass through the connecting component rotation on the second connecting plate 423 and connect first connecting plate 422, and be equipped with spacing subassembly between first connecting plate 422 and the second connecting plate 423, the junction of first connecting plate 422 and second connecting plate 423 is equipped with the sealing washer, first through-hole 424 has all been seted up at the inner wall both ends of first connecting plate 422, the inner wall fixed mounting filter screen 425 of first through-hole 424, the second through-hole 426 has all been seted up at the both ends inner wall of second connecting plate 423, second through-hole 426 is the cross with first through-hole 424 and arranges, the top fixed mounting connecting pipe 427 of first connecting plate 422, the inner wall threaded connection excrement and urine collection subassembly 3 of connecting pipe 427.
The connecting assembly comprises an annular sliding block 4822 fixedly arranged at the bottom of the first connecting plate 422 and an annular sliding groove 4821 formed in the inner wall of the top end of the second connecting plate 423, the inner wall of the annular sliding groove 4821 is connected with the annular sliding block 4822 in a sliding mode, and the cross sections of the annular sliding groove 4821 and the annular sliding block 4822 are T-shaped.
The spacing subassembly includes U-shaped board 4291, and spacing groove 4292 has all been seted up to U-shaped board 4291's both ends inner wall, and a plurality of spacing posts 4293 of equal fixed mounting on first connecting plate 422 and the second connecting plate 423, the inner wall joint first connecting plate 422 of U-shaped board 4291 and second connecting plate 423, and the inner wall joint spacing post 4293 of spacing groove 4292, the inner chamber height of U-shaped board 4291 is the high sum of first connecting plate 422 and second connecting plate 423.
Working principle: when solid manure is required to be collected, the fixed block 26 is separated from the collecting pipe 31, the collecting pipe 21 is held by hand after the solid manure is separated, the fixed sampling brush 28 brushes a manure sample on the surface of the solid manure, after the solid manure is collected, the fixed block 26 is connected to the collecting pipe 31 in a threaded manner, when the fixed block 26 is connected to the collecting pipe 31 in a threaded manner, the fixed sampling brush 28 is positioned in the sample preservation liquid 32, meanwhile, the collecting pipe 31 is shaken for a plurality of times, so that the manure sample and the sample preservation liquid 32 are mixed, when the liquid manure is required to be collected, the fixed block 26 is separated from the collecting pipe 31, after the fixed block is separated, the extending pipe 27 extends into the manure water, after the extending pipe is extended, the driving block 25 moves to the outside, so that the piston 22 moves to the outside in the collecting pipe 21, when the piston 22 moves to the outside in the collecting pipe 21, the manure water is sucked into the collecting pipe 21, the solid manure is collected, after the fixed block 26 is connected to the collecting pipe 31 in a threaded manner, and after the solid manure sample is connected to the collecting pipe 31, the driving block 25 is pressed, so that the manure sample in the squeezed 21 is mixed with the sample preservation liquid 32 through the piston 22, and the sample preservation liquid is simultaneously mixed;
during processing, the U-shaped plate 4291 is taken down, the first connecting plate 422 is rotated until the first through hole 424 is aligned with the second through hole 426, after the first through hole 424 is aligned with the second through hole 426, the limiting groove 4292 is clamped with the limiting post 4293, thereby clamping one sides of the first connecting plate 422 and the second connecting plate 423 on the U-shaped plate 4291, limiting the positions of the first connecting plate 422 and the second connecting plate 423, preventing the first connecting plate 422 from rotating, after that, the first connecting plate 422 is put into a centrifuge rotor, the filter screen 425 filters large granular substances such as dietary fibers and food residues in feces during centrifugation, the rest of the large granular substances enter the sample storage tube 103, after centrifugation, the collecting tube 21 is taken down, residual feces are cleaned, after cleaning, the U-shaped plate 4291 is taken down, the first connecting plate 422 is rotated until the first through hole 424 and the second through hole 426 are arranged in a cross shape, after staggering, the limiting groove 4292 and the limiting post 4293 are clamped, and limiting the positions of the first connecting plate 422 and the second connecting plate 423 are limited.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The high-efficiency collection and pretreatment device for the fecal samples comprises a fecal collection assembly (2), a fecal collection assembly (3) and a sample storage assembly (4), and is characterized in that the fecal collection assembly (2) is detachably connected with the top end of the fecal collection assembly (3), and the bottom end of the fecal collection assembly (3) is detachably connected with the top end of the sample storage assembly (4);
the sample storage component (4) comprises a storage tube (41) and a flow control component (42) arranged at the top of the storage tube (41), and the flow control component (42) is detachably connected with the excrement collection component (3);
the flow control assembly (42) comprises a first connecting plate (422) and a second connecting plate (423), the second connecting plate (423) is fixedly installed at the top of the storage tube (41), the first connecting plate (422) is rotationally connected to the second connecting plate (423) through the connecting assembly, a limiting assembly is arranged between the first connecting plate (422) and the second connecting plate (423), a sealing ring is arranged at the joint of the first connecting plate (422) and the second connecting plate (423), first through holes (424) are formed in two ends of the inner wall of the first connecting plate (422), filter screens (425) are fixedly installed on the inner wall of the first through holes (424), second through holes (426) are formed in two ends of the second connecting plate (423), the second through holes (426) are arrayed in a cross shape with the first through holes (424), connecting pipes (427) are fixedly installed at the top of the first connecting plate (422), and the inner walls of the connecting pipes (427) are connected with excrement collecting assemblies (3) in a threaded mode.
2. The efficient fecal sample collecting and preprocessing device according to claim 1, characterized in that the fecal collecting assembly (2) comprises a collecting tube (21) and a piston (22) which is connected with the inner wall of the collecting tube (21) in a sliding way, a sealing ring is arranged at the joint between the collecting tube (21) and the piston (22), a lifting rod (23) is fixedly arranged on the piston (22), a driving block (25) is fixedly arranged at the top of the lifting rod (23), limiting plates (24) are fixedly arranged at the two ends of the lifting rod (23), and the limiting plates (24) are connected with the inner wall of the collecting tube (21) in a sliding way.
3. The device for efficiently collecting and preprocessing the fecal samples according to claim 2, characterized in that an extension tube (27) is fixedly arranged at the bottom of the collecting tube (21), and a plurality of fixed sampling brushes (28) are arranged on the extension tube (27).
4. A device for efficient collection and pretreatment of fecal samples according to claim 2, characterized in that the top end of the collection tube (21) is fixedly provided with a fixing block (26), said fixing block (26) being screwed on the top end inner wall of the fecal collection assembly (3).
5. The efficient fecal sample collecting and preprocessing device according to claim 1, characterized in that the fecal collecting assembly (3) comprises a collecting pipe (31) and a sample preservation liquid (32) arranged inside the collecting pipe (31), wherein limit rods (33) are fixedly arranged on two sides of the top end inner wall of the collecting pipe (31), the top end inner wall of the collecting pipe (31) is in threaded connection with a fixing block (26), the fixing block (26) is in contact with the limit rods (33), and the bottom end of the collecting pipe (31) is in threaded connection with the inner wall of a connecting pipe (427).
6. The device for efficiently collecting and preprocessing fecal samples according to claim 1, characterized in that the connecting assembly comprises an annular sliding block (4822) fixedly installed at the bottom of the first connecting plate (422) and an annular sliding groove (4821) arranged on the inner wall of the top end of the second connecting plate (423), the inner wall of the annular sliding groove (4821) is slidably connected with the annular sliding block (4822), and the cross sections of the annular sliding groove (4821) and the annular sliding block (4822) are all T-shaped.
7. The device for efficiently collecting and preprocessing the fecal samples according to claim 1, wherein the limiting assembly comprises a U-shaped plate (4291), limiting grooves (4292) are formed in inner walls of two ends of the U-shaped plate (4291), and a plurality of limiting columns (4293) are fixedly mounted on the first connecting plate (422) and the second connecting plate (423).
8. The device for efficient collection and pretreatment of fecal samples according to claim 7, characterized in that the inner wall of the U-shaped plate (4291) is clamped with the first connecting plate (422) and the second connecting plate (423), and the inner wall of the limiting groove (4292) is clamped with the limiting column (4293).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223371533.XU CN219385139U (en) | 2022-12-15 | 2022-12-15 | Be used for high-efficient collection of excrement and urine sample and preprocessing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223371533.XU CN219385139U (en) | 2022-12-15 | 2022-12-15 | Be used for high-efficient collection of excrement and urine sample and preprocessing device |
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| CN219385139U true CN219385139U (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817123A (en) * | 2017-11-14 | 2018-03-20 | 上海市杨浦区中心医院 | Novel faeces Acquisition Processor |
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2022
- 2022-12-15 CN CN202223371533.XU patent/CN219385139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817123A (en) * | 2017-11-14 | 2018-03-20 | 上海市杨浦区中心医院 | Novel faeces Acquisition Processor |
| CN107817123B (en) * | 2017-11-14 | 2024-01-09 | 上海市杨浦区中心医院 | Novel fecal collection processor |
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