CN107091756B - Fecal sampling head and fecal sampling system - Google Patents
Fecal sampling head and fecal sampling system Download PDFInfo
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- CN107091756B CN107091756B CN201710319544.8A CN201710319544A CN107091756B CN 107091756 B CN107091756 B CN 107091756B CN 201710319544 A CN201710319544 A CN 201710319544A CN 107091756 B CN107091756 B CN 107091756B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention relates to the technical field of intelligent home, in particular to a fecal sampling head and a fecal sampling system. The fecal sampling head comprises a main body, wherein the main body is provided with a spike part and a brush part, one end of the spike part is in a spike structure, and the other end of the spike part is connected with one end of the brush part; the periphery of the brush part is provided with brush hair, and a storage area is formed between the brush hair and the other end of the spike part and is used as a place for storing the collected sample; the brush part also comprises a sampling rod, and the sampling rod is connected with the other end of the brush part. The sampling system comprises the fecal sampling head. The invention obviously improves the user experience, and improves the sampling efficiency by converting repeated reciprocating operation during sampling into automatic rotary motion, and meanwhile, the invention improves the adaptability of the sampling head to different faeces forms, and ensures the accuracy of the test result by improving the sampling quality.
Description
Technical Field
The invention relates to the technical field of intelligent home, in particular to a fecal sampling head and a fecal sampling system.
Background
At present, when fecal testing is carried out, a small amount of samples are mostly picked by bamboo sticks after feces are put into a collection vessel, however, the mode of the bamboo sticks is used in the sampling process, the required amount of samples can be obtained only by short-distance repeated operation, the workload of sampling is increased, the user experience is poor, the sampling efficiency is low, and the samples are easy to pollute in the sampling process, so that larger deviation of the testing result is easy to occur.
Disclosure of Invention
The invention aims to provide a fecal sampling head and a fecal sampling system, which are used for solving the technical problems of poor user experience, low sampling efficiency and easy occurrence of larger deviation of a test result in the prior art.
The invention provides a fecal sampling head which is characterized by comprising a main body, wherein the main body is provided with a spike part and a brush part, one end of the spike part is in a spike-shaped structure, and the other end of the spike part is connected with one end of the brush part; the periphery of the brush part is provided with bristles, and a storage area is formed between the bristles and the other end of the spike part and is used as a place for storing the collected sample;
the brush part is characterized by also comprising a sampling rod, wherein the sampling rod is connected with the other end of the brush part.
Further, the pointed structure is a cone; the conical surface of the cone is provided with a spiral convex pattern structure.
Further, the spiral relief structure is a double-thread; alternatively, the helical relief is a single thread.
Further, the double-thread is provided with a cutting edge; and the single-line thread is provided with a cutting edge.
Further, the number of the bristles is a plurality of bristles; a plurality of bristles are uniformly distributed around the circumference of the brush part to form a bristle area; the cross-sectional diameter of the bristle field gradually decreases along one end of the brush portion toward the other end of the brush portion.
Further, the spike portion and the brush portion are of an integral structure.
Further, the spike portion is detachably connected with the brush portion.
Further, the bristles are inclined toward the direction in which the spikes are located.
Further, the portion of the cone having the largest cross-sectional diameter has protruding wings inclined toward the direction in which the brush part is located.
Further, the extension wings are arranged along the circumference of the cone.
Further, edges of the extending wings are provided with cutting edges, and the number of the cutting edges is at least one.
The invention also provides a sampling system which comprises the fecal sampling head.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a fecal sampling head, which comprises a main body, wherein the main body is provided with a spike part and a brush part, one end of the spike part is in a spike structure, and the other end of the spike part is connected with one end of the brush part; the periphery of the brush part is provided with brush hair, and a storage area is formed between the brush hair and the other end of the spike part and is used as a place for storing the collected sample; the brush part also comprises a sampling rod, and the sampling rod is connected with the other end of the brush part. The pointed structure is arranged at one end of the pointed part, so that the pointed part can be inserted into a sample, and the pointed structure has obvious effect particularly for harder samples; by arranging the bristles, the bristles can be reversed to the other end of the spike part along with the insertion of the spike part due to the free bending characteristic of the bristles, a sample can enter the storage area under the pushing of the cutting edge on the spiral relief structure and the pressure of surrounding feces, and when the spike part is pulled out from the sample, the bristles can be reversed to one end of the spike part, namely the direction of the spike structure, so that the bristles and the storage area can form a closed space, the sample can be reserved in the closed space in the pulling-out process, the sample with the required quantity can be successfully obtained, and the sampling can be completed once. The sampling device has the advantages that the sampling work can be conveniently carried out at home by a user, the user experience is improved, the sampling efficiency is improved by converting repeated reciprocating operation during sampling into automatic rotary motion, meanwhile, the adaptability of the sampling head to different excrement forms is improved, and the accuracy of a test result is ensured by improving the sampling quality.
The invention also provides a sampling system which comprises the fecal sampling head. Based on the analysis, the sampling system provided by the invention obviously improves the user experience, and improves the sampling efficiency by converting repeated reciprocating operation during sampling into automatic rotary motion, and meanwhile, the invention improves the adaptability of the sampling head to different feces forms, and ensures the accuracy of the test result by improving the sampling quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a fecal sampling head according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a fecal sampling head according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a fecal sampling head according to a second embodiment of the present invention;
FIG. 4 is a cross-sectional view of a fecal sampling head according to a third embodiment of the present invention;
fig. 5 is a cross-sectional view of a fecal sampling head according to a fourth embodiment of the present invention.
In the figure:
100-spike; 101-a brush part; 102-sampling rod; 103-brushing; 104-a storage area; 105-helical relief structure; 106-a body; 107-bristle field; 108-extending the wings.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Fig. 1 is a schematic structural diagram of a fecal sampling head according to a first embodiment of the present invention; FIG. 2 is a cross-sectional view of a fecal sampling head according to a first embodiment of the present invention; referring to fig. 1 and 2, a first embodiment of the present invention provides a fecal sampling head, which includes a main body 106, wherein the main body 106 has a spike portion 100 and a brush portion 101, one end of the spike portion 100 is in a spike structure, and the other end of the spike portion 100 is connected with one end of the brush portion 101; the brush part 101 has bristles 103 in the circumferential direction, and a space between the bristles 103 and the other end of the spike part 100 forms a storage area 104 as a place for storing the collected sample, that is, for storing the collected sample.
The stool sampling head further includes a sampling rod 102, and the sampling rod 102 is connected to the other end of the brush part 101.
Specifically, the pointed structure is used for inserting a fecal sample, the brush portion 101 has a circular cross-section, and the bristles are freely bendable and elastic, and can return to their original shape after being bent. The diameter of the brush hair is 0.1-0.5 mm, and the height of the brush hair is 1-12 mm. The storage area 104 is annular and is located at the junction of the spine portion 100 and the brush portion 101. The sampling rod 102 has a diameter of 1mm-5mm. The sampling rod 102 and the brush part 101 may be integrally connected or detachably connected.
According to the fecal sampling head provided by the embodiment of the invention, the pointed structure is arranged at one end of the pointed part 100, so that the pointed part 100 can be inserted into a sample, and particularly for a harder sample, the pointed structure has an obvious effect; by arranging the bristles, the bristles can be reversed to the other end of the spike part along with the insertion of the spike part 100 due to the free bending characteristic, a sample can enter the storage area 104 under the pushing of the cutting edge on the spiral relief structure and the pressure of surrounding feces, and when the spike part 100 is pulled out of the sample, the bristles can be reversed to one end of the spike part, namely the direction of the spike structure, so that the bristles and the storage area 104 can form a closed space, the sample can be reserved in the closed space in the pulling-out process, the required amount of sample can be successfully obtained, the sampling can be completed once, the user experience is improved, the sampling efficiency is improved by converting the repeated reciprocating operation during the sampling into the automatizable rotary motion, and meanwhile, the adaptability of the sampling head to different feces forms is improved, and the accuracy of the result is ensured by improving the sampling quality.
In this embodiment, the pointed structure is a cone; the conical surface of the cone is provided with a spiral relief structure 105.
In particular, in use, the tip of the cone is first inserted into the sample and the cone is rotated so that the spiral relief structure pushes the fecal sample rearward, increasing the pressure in the sample storage area under the influence of the surrounding fecal matter. The conical surface of the cone is concave towards the axis of the cone.
It should be noted that a groove may be further disposed on the conical surface of the cone, so that some samples may be collected in the groove conveniently.
In this embodiment, the helical relief 105 is a two-wire thread; alternatively, the helical relief 105 is a single-thread.
In particular, when single-thread threading is employed, the body can be facilitated to enter the sample by rotation. When a double thread is used, the body is more easily screwed into the sample, and in addition, in the two threads of the double thread, the tooth height of one thread is smaller than that of the other thread, so that a part of the sample can remain on the thread with the smaller tooth height.
In this embodiment, when the helical relief 105 is a double-threaded thread, the double-threaded thread is provided with a cutting edge (not shown); when the helical relief 105 is a single thread, a cutting edge (not shown) is provided on the single thread. The sample can be screwed in more effectively through the cutting edge, and the sample in the storage area 104 can be ensured.
Specifically, the number of cutting edges is plural, and the extending directions of the plurality of cutting edge spiral relief structures 105 are uniformly distributed.
In this embodiment, the number of bristles is a plurality; the plurality of bristles are uniformly arranged around the circumference of the brush part 101 and extend in the axial direction of the brush part 101 to form a bristle field 107; the cross-sectional diameter of the bristle field gradually decreases along one end of the brush part 101 toward the other end of the brush part 101, wherein the cross-section is a plane perpendicular to the axial direction of the brush part 101, the portion with the largest cross-sectional diameter is close to the spike part 100, and the portion with the smallest cross-sectional diameter is far away from the spike part 100, so that more sample can be reserved on the bristle field when thinner sample is collected. There is a space between the boundary of the bristle field near the spike 100 and the portion of the cone having the largest cross-sectional diameter, i.e., the width of the storage region 104 in the axial direction of the brush part 101, the size of the space determining the amount of sample that can be stored.
Referring to fig. 2, in this embodiment, the diameter of the portion of the bristle field having the largest cross-sectional diameter is greater than the diameter of the portion of the cone having the largest cross-sectional diameter, thus ensuring that the bristles cover the storage area 104 when bent.
In this embodiment, the spike 100 is detachably connected to the brush 101. By detachable connection, the different sized spike 100 is facilitated to be replaced.
In an alternative scheme of the embodiment, the spine part 100 is spliced with the brush part 101; specifically, the spike 100 is screwed with the brush 101.
In this embodiment, the bristles are inclined toward the direction in which the spike 100 is located. The bristles may be perpendicular to the axis of the brush part 101, that is, the axis of the bristles may be perpendicular to the axis of the brush part 101 and intersect.
In this embodiment, the material of the main body may be metal or polymer, and the polymer may be polysulfone, polypropylene, polytetrafluoroethylene, polyacrylate, polyethylene, polyvinylidene fluoride or polycarbonate.
Example two
The second embodiment also provides a fecal sampling head, and the fecal sampling head of the second embodiment describes another implementation scheme of the orientation of the bristles, and the technical solution of the first embodiment also belongs to the second embodiment, and the description is not repeated.
FIG. 3 is a cross-sectional view of a fecal sampling head according to a second embodiment of the present invention; referring to fig. 3, in this embodiment, the bristles are inclined in a direction opposite to the direction in which the spike 100 is located, so that some samples can be hooked.
Example III
The third embodiment also provides a fecal sampling head, which describes another implementation of the connection relationship between the spike portion 100 and the brush portion 101, and the technical solution of the first embodiment also belongs to the third embodiment, and will not be repeated.
Fig. 4 is a cross-sectional view of a fecal sampling head according to a third embodiment of the present invention, as shown in fig. 4, in which the spike 100 and the brush 101 are integrally formed; the conical surface of the cone protrudes outwards.
Example IV
The fourth embodiment provides a fecal sampling head, which is a further improvement on the basis of the first embodiment, and the technical solution described in the first embodiment also belongs to the fourth embodiment, and the description of the technical solution described in the first embodiment is not repeated.
Fig. 5 is a cross-sectional view of a fecal sampling head according to a fourth embodiment of the present invention, as shown in fig. 5, in which the portion of the cone with the largest cross-sectional diameter has protruding wings 108, and the protruding wings 108 are inclined toward the direction in which the brush part 101 is located, so that more samples can be collected. The projecting wings are arranged in the circumferential direction of the cone, that is to say, the projecting wings are annular. In addition, the edge of the extending wing can be provided with a cutting edge, so that the cutting effect can be realized. The number of cutting edges extending out of the wing may be plural as desired.
Example five
The fifth embodiment of the invention provides a sampling system, which comprises a sampling bottle and the fecal sampling head provided by any one of the first to fourth embodiments. The fecal sampling head is arranged in the sampling bottle, and after the sample is collected, the sample is filled in the sampling bottle.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments can be used in any combination.
Claims (7)
1. The fecal sampling head is characterized by comprising a main body, wherein the main body is provided with a spike part and a brush part, one end of the spike part is of a cone spike structure, a spiral convex pattern structure is arranged on the conical surface of the cone, and a groove is arranged on the conical surface of the cone; the spiral relief structure is a double-thread; or, the spiral relief structure is a single thread; when the spiral relief structure is a double-thread, the tooth height of one thread is smaller than the tooth height of the other thread; the part with the largest cross-sectional diameter of the cone is provided with an extending wing, and the extending wing is inclined towards the direction of the hairbrush part;
the other end of the spike part is connected with one end of the brush part; the periphery of the brush part is provided with bristles, and a storage area is formed between the bristles and the other end of the spike part and is used as a place for storing the collected sample;
the number of the bristles is multiple, the multiple bristles are uniformly distributed around the circumference of the brush part, and the bristles incline towards the direction of the spike part so as to form a bristle area; the cross-sectional diameter of the bristle field gradually decreases along one end of the brush portion toward the other end of the brush portion;
the brush part is characterized by also comprising a sampling rod, wherein the sampling rod is connected with the other end of the brush part.
2. The stool sampling head according to claim 1, wherein the double-thread has a cutting edge thereon; and the single-line thread is provided with a cutting edge.
3. The fecal sampling head according to any of the claims 1-2, characterized in that the spike is of unitary construction with the brush part.
4. The fecal sampling head according to any of the claims 1-2, wherein the spike is detachably connected to the brush part.
5. The fecal sampling head according to claim 1, wherein the protruding wings are arranged along the circumference of the cone.
6. The stool-sampling head according to claim 5, wherein the edges of the protruding wings are provided with cutting edges, and the number of cutting edges is at least one.
7. A sampling system comprising a fecal sampling head according to any of the claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319544.8A CN107091756B (en) | 2017-05-05 | 2017-05-05 | Fecal sampling head and fecal sampling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319544.8A CN107091756B (en) | 2017-05-05 | 2017-05-05 | Fecal sampling head and fecal sampling system |
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| CN107091756A CN107091756A (en) | 2017-08-25 |
| CN107091756B true CN107091756B (en) | 2023-09-01 |
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| CN201710319544.8A Active CN107091756B (en) | 2017-05-05 | 2017-05-05 | Fecal sampling head and fecal sampling system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562458B (en) * | 2018-01-29 | 2023-12-15 | 深圳碳云智能数字生命健康管理有限公司 | Automatic sampling device and intelligent toilet |
| CN111964963B (en) * | 2020-07-07 | 2023-10-17 | 中山大学 | Bionic sampling device |
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| CN204855176U (en) * | 2015-06-03 | 2015-12-09 | 济南兰洁生物技术有限公司 | Excrement and urine sample collection cup |
| CN205449529U (en) * | 2015-12-22 | 2016-08-10 | 吴祥坤 | Stool sample device |
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| AUPP323798A0 (en) * | 1998-04-28 | 1998-05-21 | Chandler, Howard Milne | Sample collection method |
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|---|---|---|---|---|
| EP0727653A2 (en) * | 1995-02-15 | 1996-08-21 | Wako Pure Chemical Industries, Ltd | Device for sampling feces |
| CN2619252Y (en) * | 2003-04-28 | 2004-06-02 | 钱亚明 | Sampler for human excrement |
| CN2743822Y (en) * | 2004-09-17 | 2005-11-30 | 万志静 | Stool sampling device |
| WO2007069731A1 (en) * | 2005-12-16 | 2007-06-21 | Nipro Corporation | Feces collection container |
| CN201368801Y (en) * | 2008-12-31 | 2009-12-23 | 王绪玲 | Novel stool sampler |
| CN201773015U (en) * | 2010-07-21 | 2011-03-23 | 施慧勇 | Excrement collector |
| CN202255915U (en) * | 2011-09-22 | 2012-05-30 | 复旦大学附属中山医院青浦分院 | Excrement sampling bottle |
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| CN204649456U (en) * | 2015-04-27 | 2015-09-16 | 李全科 | A kind of GI Medicine blood urine just routine inspection stool sampling bottle |
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