CN108844800B - Disposable parasitic insect egg of excrement gathers film-making device - Google Patents
Disposable parasitic insect egg of excrement gathers film-making device Download PDFInfo
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- CN108844800B CN108844800B CN201811049441.5A CN201811049441A CN108844800B CN 108844800 B CN108844800 B CN 108844800B CN 201811049441 A CN201811049441 A CN 201811049441A CN 108844800 B CN108844800 B CN 108844800B
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- piece
- cylindrical container
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- waste liquid
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- 241001414987 Strepsiptera Species 0.000 title claims description 3
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 28
- 244000045947 parasite Species 0.000 claims abstract description 11
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000002550 fecal effect Effects 0.000 claims abstract description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 14
- 210000004492 nuclear pore Anatomy 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 239000003761 preservation solution Substances 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000005979 Citrus limon Nutrition 0.000 claims description 5
- 244000248349 Citrus limon Species 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 claims description 5
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 5
- 239000008213 purified water Substances 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 4
- 235000013601 eggs Nutrition 0.000 abstract description 33
- 230000003071 parasitic effect Effects 0.000 abstract description 18
- 210000003608 fece Anatomy 0.000 abstract description 12
- 239000010871 livestock manure Substances 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 5
- 238000006124 Pilkington process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 210000004681 ovum Anatomy 0.000 description 13
- 230000005484 gravity Effects 0.000 description 9
- 102000002322 Egg Proteins Human genes 0.000 description 8
- 108010000912 Egg Proteins Proteins 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 208000031513 cyst Diseases 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Landscapes
- Physics & Mathematics (AREA)
- 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)
- External Artificial Organs (AREA)
Abstract
The invention relates to a disposable device for collecting and tabletting faecal parasitic ova. Currently, three methods are generally used for detecting fecal parasites in hospitals: the direct smear method, the float method and the precipitation method have the defects that the worm eggs are easy to oxidize and enzymolysis and have short preservation time. The invention relates to a disposable device for collecting and tabletting parasitic ova of manure, wherein: the waste liquid stopper is fixedly connected with the bottom of the collecting piece through threads, a sponge body and a through hole are fixedly arranged at the top of the collecting piece, the through hole is positioned below the sponge body, the arc-shaped filter screen is fixedly connected with the first supporting block, the conical filter piece is fixedly connected with the second supporting block, the collecting piece is fixedly connected with the bottom of the cylindrical container through threads, the circular cover body is fixedly connected with the top of the cylindrical container through threads, and preservation liquid is arranged in the device. The device has the advantages of simple structure, simple and convenient operation, good sealing performance and high worm egg enrichment rate, and the processes of collection, filtration, egg collection and film production are simplified and concentrated in the device, so that the device has strong practicability.
Description
Technical Field
The invention relates to the technical field of medical acquisition devices, in particular to a disposable device for collecting and tabletting faecal parasitic ova.
Background
Currently, three methods are generally used for detecting fecal parasites in hospitals: direct smear method, float method, precipitation method. The three methods have advantages and disadvantages, and the direct smear method has simple operation and low positive rate. The operation steps of the floatation method and the precipitation method are complex and the detection rate is high.
Principle of precipitation method: the insect eggs are sunk in the water by utilizing the principle that the specific gravity of the insect eggs is greater than that of the liquid. The detection effect is improved by increasing the content of eggs and cysts in unit area, and the defect is that the detection rate of eggs with specific gravity smaller than that of liquid is poorer for the self specific gravity.
Principle of floating method: the eggs or the cysts are floated and collected on the liquid surface by utilizing the principle that the specific gravity of the eggs and the cysts is smaller than that of the liquid, so that the content of the eggs and the cysts in unit area is increased, the detection effect is improved, and the defect that the detection rate of eggs with specific gravity larger than that of the liquid is poor is overcome.
All the three methods have the defect that after the parasitic ova are taken out from the human body excrement and tissues, a plurality of uncontrollable factors exist in the storage and transportation processes before the parasitic ova are placed into a microscope for detection, so that the parasitic ova are oxidized, enzymatically decomposed and the like and are difficult to detect. At present, the parasitic ovum preservation solution is mainly formalin solution which is used as preservation solution, but formalin itself has toxicity, is easy to cause bad damage to detection personnel after long-term use, and has the problems of short time (less than 7 days) for preserving the parasitic ovum and difficult detection and observation.
Disclosure of Invention
(one) solving the technical problems
The invention aims to provide a disposable device for collecting and tabletting parasitic ova in faeces, wherein raw materials of preservation solution comprise sodium chloride, disodium hydrogen phosphate, glycerol, dimethyl dioctadecyl ammonium chloride, absolute ethyl alcohol, lemon yellow and purified water, and the problems that formalin is easy to cause harm to human bodies and the preservation time is short are solved; the waste liquid plug is unscrewed, the preservation liquid flows out from the device, the worm eggs pass through the arc-shaped filter screen and the conical filter piece, and the worm eggs can be blocked by the nuclear pore membrane and remain on the nuclear pore membrane when passing through the cavernous body, so that the defects of a floating method and a sedimentation method are overcome.
(II) technical scheme
The technical scheme of the invention is as follows: a disposable device for collecting and flaking parasitic eggs of manure comprises a waste liquid plug, a waste liquid plug external thread, a collecting piece internal thread, a collecting piece external thread, a cylindrical container internal thread, a sponge body, a through hole, an arc-shaped filter screen, a first supporting block, a cylindrical container, a second supporting block, a conical filter piece, a filter hole, a circular cover body internal thread, a cylindrical container external thread, a circular cover body and preservation liquid; wherein: the waste liquid stopper top is equipped with waste liquid stopper external screw thread, the collecting member inboard is equipped with collecting member internal screw thread, the collecting member outside is equipped with collecting member external screw thread, the waste liquid stopper passes through screw thread and collecting member bottom fixed connection, collecting member top is fixed to be equipped with cavernosum and through-hole, the through-hole is located cavernosum below, cylindrical container inner bottom is equipped with cylindrical container internal screw thread, middle part both sides are equipped with first supporting shoe and second supporting shoe in the cylindrical container, cylindrical container outer top is equipped with cylindrical container external screw thread, arc filter screen and first supporting shoe fixed connection, toper filter piece and second supporting shoe fixed connection, toper filter piece is equipped with the filtration pore, collecting member passes through screw thread and cylindrical container bottom fixed connection, be equipped with the internal screw thread of lid in the circular lid, circular lid passes through screw thread and cylindrical container top fixed connection, be equipped with the preservation liquid in the device.
A disposable manure parasitic ovum collection and flaking device, wherein: the two sides of the waste liquid plug are provided with waste liquid plug seats.
A disposable manure parasitic ovum collection and flaking device, wherein: the two sides of the collecting piece are provided with collecting piece seats.
A disposable manure parasitic ovum collection and flaking device, wherein: the filter pore diameter is 600 μm to 650 μm.
A disposable manure parasitic ovum collection and flaking device, wherein: the diameter of the arc-shaped filter screen is 150 μm to 200 μm.
A disposable manure parasitic ovum collection and flaking device, wherein: the cavernous body is provided with a nuclear pore membrane, and the diameter of the nuclear pore membrane is 7-15 mu m.
A disposable manure parasitic ovum collection and flaking device, wherein: the raw materials of the preservation solution comprise sodium chloride, disodium hydrogen phosphate, glycerol, dimethyl dioctadecyl ammonium chloride, absolute ethyl alcohol, lemon yellow and purified water
(III) beneficial effects
The invention has the advantages that: the waste liquid plug, the collecting piece, the cylindrical container and the circular cover body are connected through threads, so that the device is convenient to unload, the threaded connection has good tightness, the worm eggs are prevented from being oxidized and hydrolyzed, and the preservation solution is prepared from sodium chloride, disodium hydrogen phosphate, glycerol, dimethyl dioctadecyl ammonium chloride, absolute ethyl alcohol, lemon yellow and purified water, so that the preservation time of the worm eggs is prolonged; the eggs pass through the arc-shaped filter screen and the conical filter piece along with the preservation solution to filter impurities, and the eggs can be blocked by the nuclear pore membrane and remain on the nuclear pore membrane when passing through the cavernous body, so that the eggs with light specific gravity and heavy specific gravity can remain on the nuclear pore membrane, and the defects of a floating method and a precipitation method are overcome; the device has the advantages of simple structure, simple and convenient operation, good sealing performance and high worm egg enrichment rate, and the processes of collection, filtration, egg collection and film production are simplified and concentrated in the device, so that the device has strong practicability.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a conical filter element of the present invention.
Reference numerals: the waste liquid plug 1, the waste liquid plug seat 2, the waste liquid plug external thread 3, the collecting piece 4, the collecting piece internal thread 5, the collecting piece seat 6, the collecting piece external thread 7, the cylindrical container internal thread 8, the cavernous body 9, the through hole 10, the arc filter screen 11, the first supporting block 12, the cylindrical container 13, the second supporting block 14, the conical filter piece 15, the filter hole 16, the circular cover internal thread 17, the cylindrical container external thread 18, the circular cover 19 and the preservation liquid 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
1, referring to fig. 1-3, a disposable device for collecting and making a piece of parasitic eggs in manure comprises a waste liquid plug 1, a waste liquid racing external thread 3, a collecting piece 4, a collecting piece internal thread 5, a collecting piece external thread 7, a cylindrical container internal thread 8, a sponge 9, a through hole 10, an arc filter screen 11, a first supporting block 12, a cylindrical container 13, a second supporting block 14, a conical filter piece 15, a filter hole 16, a circular cover internal thread 17, a cylindrical container external thread 18, a circular cover 19 and a preservation liquid 20; wherein: the waste liquid stopper 1 top is equipped with waste liquid stopper external screw thread 3, the collecting member 4 inboard is equipped with collecting member internal screw thread 5, collecting member 4 outside is equipped with collecting member external screw thread 7, waste liquid stopper 1 passes through screw thread and collecting member 4 bottom fixed connection, collecting member 4 top is fixed be equipped with cavernosum 9 and through-hole 10, through-hole 10 is located cavernosum 9 below, the bottom is equipped with cylindrical container internal screw thread 8 in the cylindrical container 13, the middle part both sides are equipped with first supporting shoe 12 and second supporting shoe 14 in the cylindrical container 13, cylindrical container external screw thread 18 is equipped with at cylindrical container 13 top, arc filter screen 11 and first supporting shoe 12 fixed connection, toper filter 15 and second supporting shoe 14 fixed connection, toper filter 15 is equipped with filtration pore 16, collecting member 4 passes through screw thread and cylindrical container 13 bottom fixed connection, be equipped with lid internal screw thread 17 in the circular lid 19 passes through screw thread and cylindrical container 13 top fixed connection, be equipped with preserving fluid 20 in the device.
Example 2 referring to fig. 1 and 2, a disposable device for collecting and tabletting eggs of faecal parasites, wherein: the waste liquid stopper seat 2 is arranged on two sides of the waste liquid stopper 1, so that the weight of the device is supported conveniently and the disassembly is convenient. The procedure is as in example 1.
Embodiment 3, please refer to fig. 1 and 2, a disposable device for collecting and tabletting eggs of parasitic faeces, wherein: the collecting piece seats 6 are arranged on two sides of the collecting piece 4, so that the weight of the device is supported conveniently and the device is detached conveniently. The procedure is as in example 1.
Example 4, please refer to fig. 1, 2 and 3, a disposable device for collecting and tabletting eggs of faecal parasites, wherein: the filter holes 16 have a diameter of 600 μm to 650 μm, and large-particle impurities of the feces are filtered. The procedure is as in example 1.
Example 5 referring to fig. 1 and 2, a disposable device for collecting and tabletting eggs of faecal parasites, wherein: the diameter of the arc-shaped filter screen 11 is 150-200 mu m, and the small particles of the excrement are filtered. The procedure is as in example 1.
Example 6 referring to fig. 1 and 2, a disposable device for collecting and tabletting eggs of faecal parasites, wherein: the sponge 9 is provided with a nuclear pore membrane with the pore diameter of 7-15 μm, and impurities smaller than the pore diameter of the nuclear pore membrane are filtered out. The procedure is as in example 1. Example 7 referring to fig. 1, a disposable device for collecting and tabletting eggs of faecal parasites, wherein: the preservation solution 20 comprises sodium chloride, disodium hydrogen phosphate, glycerol, dimethyl dioctadecyl ammonium chloride, absolute ethyl alcohol, lemon yellow and purified water, and can prolong the retention time of the eggs. The procedure is as in example 1.
Working principle:
adding excrement into the device, adding preserving fluid 20, screwing a round cover 19, shaking the device left and right for 60 seconds, unscrewing a waste liquid plug 1, allowing eggs to flow out of the bottom of the device along with the preserving fluid 20, filtering large-particle impurities of the excrement by the preserving fluid 20 through a conical filter 15, filtering small-particle impurities by an arc-shaped filter screen 11, blocking eggs by a nuclear pore membrane when passing through a cavernous body 9, and discharging impurities smaller than the nuclear pore membrane in diameter along with the preserving fluid 20, thereby ensuring that eggs with light specific gravity and heavy specific gravity are both remained on the nuclear pore membrane, unscrewing a cylindrical container 13 and a collecting piece 4, slightly pressing a glass slide against the cavernous body 9, and then taking the glass slide for proper clinical analysis.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a disposable parasitic insect egg gathers film-making device, including waste liquid stopper (1), waste liquid stopper external screw thread (3), collection piece (4), collection piece internal screw thread (5), collection piece external screw thread (7), cylindrical container internal screw thread (8), cavernosum (9), through-hole (10), arc filter screen (11), first supporting shoe (12), cylindrical container (13), second supporting shoe (14), toper filter piece (15), filtration pore (16), circular lid internal screw thread (17), cylindrical container external screw thread (18), circular lid (19), preservation liquid (20); the method is characterized in that: the top of the waste liquid plug (1) is provided with a waste liquid plug external thread (3), the inner side of the collecting piece (4) is provided with a collecting piece internal thread (5), the outer side of the collecting piece (4) is provided with a collecting piece external thread (7), the waste liquid plug (1) is fixedly connected with the bottom of the collecting piece (4) through threads, the top of the collecting piece (4) is fixedly provided with a sponge body (9) and a through hole (10), the through hole (10) is positioned below the sponge body (9), the sponge body (9) is provided with a nuclear pore membrane, the diameter of the nuclear pore membrane is 7 mu m to 15 mu m, the bottom of the cylindrical container (13) is provided with a cylindrical container internal thread (8), the two sides of the inner middle part of the cylindrical container (13) are provided with a first supporting block (12) and a second supporting block (14), the outer top of the cylindrical container (13) is provided with a cylindrical container external thread (18), the arc-shaped filter screen (11) is fixedly connected with the first supporting block (12), the conical filter piece (15) is fixedly connected with the second supporting block (14), the conical filter piece (15) is provided with a filter hole (16), the collecting piece (4) is fixedly connected with the bottom of the cylindrical container (13) through threads, the circular container (13) through threads (19) is provided with a circular cover (19), the circular cover (19) is provided with a circular cover (19), the internal thread (20) is connected with the internal thread (20), wherein the raw materials of the preservation solution (20) comprise sodium chloride, disodium hydrogen phosphate, glycerol, dimethyl dioctadecyl ammonium chloride, absolute ethyl alcohol, lemon yellow and purified water.
2. A disposable fecal parasite egg collection and preparation device according to claim 1, wherein: the two sides of the waste liquid plug (1) are provided with waste liquid plug seats (2).
3. A disposable fecal parasite egg collection and preparation device according to claim 1, wherein: two sides of the collecting piece (4) are provided with collecting piece seats (6).
4. A disposable fecal parasite egg collection and preparation device according to claim 1, wherein: the filter holes (16) have a diameter of 600 μm to 650 μm.
5. A disposable fecal parasite egg collection and preparation device according to claim 1, wherein: the diameter of the arc-shaped filter screen (11) is 150-200 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049441.5A CN108844800B (en) | 2018-09-10 | 2018-09-10 | Disposable parasitic insect egg of excrement gathers film-making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049441.5A CN108844800B (en) | 2018-09-10 | 2018-09-10 | Disposable parasitic insect egg of excrement gathers film-making device |
Publications (2)
| Publication Number | Publication Date |
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| CN108844800A CN108844800A (en) | 2018-11-20 |
| CN108844800B true CN108844800B (en) | 2023-11-03 |
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| CN201811049441.5A Active CN108844800B (en) | 2018-09-10 | 2018-09-10 | Disposable parasitic insect egg of excrement gathers film-making device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113358427A (en) * | 2021-01-04 | 2021-09-07 | 广州创瑞健康科技有限公司 | Excrement treatment and egg enrichment device and method |
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| CN108844800A (en) | 2018-11-20 |
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