CN113866401A - One minute quick poison detection device - Google Patents
One minute quick poison detection device Download PDFInfo
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- CN113866401A CN113866401A CN202111178163.5A CN202111178163A CN113866401A CN 113866401 A CN113866401 A CN 113866401A CN 202111178163 A CN202111178163 A CN 202111178163A CN 113866401 A CN113866401 A CN 113866401A
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- 238000001514 detection method Methods 0.000 title claims abstract description 124
- 239000002574 poison Substances 0.000 title description 10
- 231100000614 poison Toxicity 0.000 title description 10
- 238000012360 testing method Methods 0.000 claims abstract description 66
- 241000700605 Viruses Species 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims abstract description 19
- 230000000007 visual effect Effects 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims description 35
- 238000012545 processing Methods 0.000 claims description 12
- 231100000820 toxicity test Toxicity 0.000 claims description 11
- 229940079593 drug Drugs 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 6
- 231100000419 toxicity Toxicity 0.000 abstract description 4
- 230000001988 toxicity Effects 0.000 abstract description 4
- 239000000123 paper Substances 0.000 description 51
- 238000006243 chemical reaction Methods 0.000 description 7
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- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
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- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Food Science & Technology (AREA)
- Microbiology (AREA)
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- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
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Abstract
The invention relates to the technical field of drug detection, and particularly discloses a one-minute rapid drug detection device, which comprises: the plug-in virus detection card comprises a sampler for obtaining a sample to be detected, a shell connected with the sampler in a plug-in manner, and detection test paper positioned in the shell; the detection test paper is used for reacting with the sample to be detected; and the portable terminal is detachably connected with the plug-in type virus detection card and is used for acquiring the visual change condition of the detection test paper and generating a detection result according to the visual change condition. The one-minute rapid toxicity detection device provided by the invention can effectively solve the problems that in the prior art, the detection time is too long and careless mistakes are easy to occur depending on the judgment of naked eyes.
Description
Technical Field
The invention relates to the technical field of drug detection, in particular to a one-minute rapid drug detection device.
Background
The traditional poison detection device generally comprises a shell and detection test paper positioned in the shell, wherein a through hole is formed in one end of the shell, a person to be detected contains one end, provided with the through hole, of the traditional poison detection device in a mouth for a period of time, saliva can be soaked onto the detection test paper through the through hole, and the detection test paper can change color if the toxic content in the saliva exceeds the standard.
On one hand, limited by the structural design of the traditional toxicity detection device, the detected personnel generally need to hold the traditional toxicity detection device in the mouth for 3 minutes to collect enough saliva samples for the reaction of the detection test paper, the sample collection time is too long, the situations of dissatisfaction or traffic jam and the like of the detected personnel are easily caused, and the difficulty of general detection work is increased suddenly;
on the other hand, the monitoring personnel can judge the change situation of the visual effect of the detection test paper by means of visual observation, and careless mistakes are easy to occur in emergency situations.
Therefore, the traditional toxicity detection device needs to be improved to solve the problems that the detection time is too long and careless mistakes are easy to occur depending on the judgment of naked eyes.
The above information disclosed in this background section is only included to enhance understanding of the background of the disclosure and therefore may contain information that does not form the prior art that is currently known to one of ordinary skill in the art.
Disclosure of Invention
One objective of the present invention is to provide a one-minute rapid toxicity testing device, which can effectively solve the problems of the traditional toxicity testing device that the testing time is too long and careless mistakes are easily made by naked eyes.
To achieve the above object, the present invention provides a one-minute rapid toxicity test device, comprising:
the plug-in virus detection card comprises a sampler for obtaining a sample to be detected, a shell connected with the sampler in a plug-in manner, and detection test paper positioned in the shell; the detection test paper is used for reacting with the sample to be detected;
and the portable terminal is detachably connected with the plug-in type virus detection card and is used for acquiring the visual change condition of the detection test paper and generating a detection result according to the visual change condition.
Optionally, an end slot is disposed on a surface of the portable terminal, and the pluggable virus detection card is connected to the end slot in a pluggable manner.
Optionally, the housing is provided with an observation window for observing the change of the visual effect of the test paper;
and an information acquisition unit for acquiring the change of the visual effect is arranged in the end slot at a position corresponding to the observation window.
Optionally, the information acquisition unit is a fluorescence sensor or an image sensor.
Optionally, the portable terminal is further provided with:
the data processing unit is connected with the information acquisition unit and is used for processing the data acquired by the information acquisition unit and generating the detection result;
and the end output device is electrically connected with the data processing unit and is used for providing at least one information display of pictures, characters, videos, sounds or light for the supervisory personnel according to the detection result.
Alternatively to this, the first and second parts may,
a detection cavity for storing the detection test paper is arranged in the shell, and a shell slot communicated with the detection cavity is arranged on the end face of one end of the shell;
the sampler comprises a fiber bundle which is connected with the shell slot in a plugging manner and a handheld part which is fixed at one end of the fiber bundle, which is far away from the shell; and the other end of the fiber bundle is used for obtaining the sample to be detected.
Optionally, an inclined channel extending obliquely to communicate the detection cavity with the shell slot is formed at the bottom of the shell slot;
one end of the detection test paper penetrates through the inclined channel and extends into the shell slot.
Optionally, a first limiting boss is fixedly arranged in the shell slot, and a clamping plate is arranged outside the sampler;
when the sampler is inserted into the shell slot, the first limiting boss supports against the clamping plate to limit the sampler from being inserted continuously.
Optionally, a second limiting boss is arranged on one side, away from the detection test paper, of the first limiting boss; the second limiting boss is provided with a plate passing notch;
the sampler is provided with a clamping plate outside, wherein the clamping plate can penetrate through the plate passing gap to enter a limiting gap between the first limiting boss and the second limiting boss.
Optionally, the bottom of the shell slot is further provided with an extrusion boss for extruding the fiber bundle
The invention has the beneficial effects that: on one hand, the sampler can be directly pulled out of an inlet to obtain a sample to be detected and then inserted into the shell again, so that the sample to be detected is directly contacted with the detection test paper, and the obtaining time of the sample to be detected is effectively shortened; on the other hand, the portable terminal is used for automatically judging the change of the visual effect of the detection test paper, so that the dependence on manpower is reduced, the accuracy of a detection result is improved, and the misjudgment risk is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a one-minute rapid toxicity test apparatus according to an embodiment;
FIG. 2 is a schematic cross-sectional view of a plug-in poison test card according to an embodiment;
FIG. 3 is a schematic top view of a lower case provided in the embodiment;
fig. 4 is a schematic illustration of the sampler and the housing according to the embodiment.
In the figure:
100. a plug-in poison detection card; 200. a portable terminal;
1. a housing; 101. an upper shell; 1011. an observation window; 102. a lower case; 1021. a test paper slot; 1022. a drainage baffle; 103. a detection chamber; 104. a housing slot; 105. a first limit boss; 106. extruding the boss; 107. an inclined channel; 108. a second limit boss; 1081. passing through the plate gap; 109. a buffer space;
2. a sampler; 201. a fiber bundle; 202. a hand-held portion; 203. clamping a plate;
3. detecting test paper;
4. an information acquisition unit;
5. a data processing unit;
6. an end output device;
7. and an end slot.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
The invention provides a one-minute rapid virus detection device which is suitable for application scenes of virus absorption detection of a person to be detected by a supervisor, on one hand, the sampling and reaction time can be greatly shortened, and the detection time is further shortened; on the other hand, the automatic judgment of the detection result is realized through the portable terminal, and the misjudgment risk is reduced.
Referring to fig. 1, the one-minute rapid virus detection apparatus provided in the present embodiment includes a pluggable virus detection card 100 and a portable terminal 200.
Referring to fig. 2, the pluggable virus detection card 100 includes a sampler 2 for obtaining a sample to be detected, a housing 1 connected to the sampler 2 in a pluggable manner, and a detection test paper 3 located in the housing 1; the detection test paper 3 is used for reacting with the sample to be detected. The portable terminal 200 is detachably connected to the plug-in virus detection card 100, and is configured to obtain a visual change condition of the detection test paper 3, and generate a detection result according to the visual change condition.
Further, a detection cavity 103 for placing the detection test paper 3 is arranged inside the housing 1, and a housing slot 104 communicated with the detection cavity 103 through an inclined channel 107 is arranged on the end face of one end of the housing 1. Optionally, the housing 1 includes an upper shell 101 and a lower shell 102 that are connected by a snap fit, and after the upper shell 101 and the lower shell 102 are snapped, the detection cavity 103, the inclined channel 107, and the shell insertion slot 104 may be formed therein. Further, the upper case 101 is provided with a viewing window 1011.
The detection test paper 3 is located in the detection cavity 103 and is used for reacting with the sample to be detected. For example, the detection test paper 3 may be a reaction test paper containing fluorescent nanoparticles or a colloidal gold detection test paper 3, and after the detection test paper 3 reacts with a sample to be detected with an excessive toxic content, a change in visual effect such as fluorescence or discoloration may be generated. The change of the visual effect of the test strip 3 can be observed through the observation window 1011. The drugs may be opium, heroin, methamphetamine (methamphetamine), morphine, marijuana, ***e, and other narcotics and psychotropic drugs regulated by national regulations that can induce cravings.
The sampler 2 comprises a fiber bundle 201 connected with the shell slot 104 in a plugging manner and a handheld part 202 fixed at one end of the fiber bundle 201 far away from the shell 1. Wherein, the surface of the hand-held part 202 is provided with anti-slip bosses. Further, the anti-slip boss is a circular point protruding from the surface of the handle 202.
An end slot 7 is formed on one surface of the portable terminal 200, and the pluggable virus detection card 100 is connected with the end slot 7 in a plugging manner. And an information acquisition unit 4 for acquiring the visual effect change is arranged in the end slot 7 at a position corresponding to the observation window 1011. Optionally, the information acquisition unit 4 is a fluorescence sensor or an image sensor. Further, the portable terminal 200 is also provided with a data processing unit 5 and an end output device 6. The data processing unit 5 is connected to the information acquisition unit 4, and is configured to process the data acquired by the information acquisition unit 4 and generate the detection result. The end output device 6 is electrically connected with the data processing unit 5 and is used for providing at least one information display of pictures, characters, videos, sounds or light for the supervisory personnel according to the detection result. Accordingly, the end output device 6 may include at least one of a display screen, a buzzer, or a flashlight.
Optionally, the size of the portable terminal 200 is similar to that of a mobile phone, so that the portable terminal is convenient to carry.
The operation process of the plug-in virus detection card 100 provided by this embodiment is as follows:
firstly, a supervisor pulls out the plug-in type poison detection card 100 from the end slot 7, and then puts the portable terminal 200 into a pocket; then holding the shell 1 with one hand and pinching the holding part 202 of the sampler 2 with the other hand, pulling the sampler 2 out of the shell slot 104, and then putting the other end of the fiber bundle 201 into the mouth of the person to be detected; the water absorption capacity of the fiber bundle 201 is ultra-strong, so that the fiber bundle 201 can be completely soaked by saliva of a detected person within a few seconds, namely, the fiber bundle 201 is full of saliva of the detected person, the detected person opens the mouth, and a supervisor takes out the fiber bundle 201 to complete acquisition of a sample to be detected;
secondly, the supervisor inserts the fiber bundle 201 into the shell slot 104, and then inserts the plug-in type virus detection card 100 back into the end slot 7;
thirdly, the sample to be detected carried by the fiber bundle 201 enters the detection cavity 103 through the inclined channel 107 and reacts with the detection test paper 3 in the detection cavity 103;
the information acquisition unit 4 captures the visual effect change information of the test paper 3 through the observation window 1011, transmits the captured data to the data processing unit 5, the data processing unit 5 processes the data, then displays the detection result through the end output device 6 in a picture and text mode, and the supervisor can know whether the checked person uses drugs by checking the end output device 6.
The plug-in poison detection card 100 that this embodiment provided uses tow 201 directly to take and waits to examine the sample, then will wait to examine the sample and send into in the detection chamber 103 with the reaction of test paper 3, has greatly improved the acquisition rate who waits to examine the sample, and then effectively shortens check-out time, reduces the degree of difficulty of general inspection work.
Optionally, the fiber bundle 201 is made of a hydrophilic material, and has good liquid absorption performance, and can be bent and deformed under pressure, so that a sample to be detected which is sucked is extruded.
In this embodiment, the fiber bundle 201 includes an ultra-fine natural fiber and/or an ultra-fine synthetic fiber. For example, the ultra fine natural fiber may be animal fiber (spider silk, animal hair), plant fiber (cotton, etc.), etc.; the superfine synthetic fiber can be hydrophilic polyester, hydrophilic polyamide, hydrophilic polyacrylonitrile, hydrophilic polypropylene, hydrophilic polyvinyl alcohol, nano cellulose, glass fiber and the like.
Furthermore, the monofilament fineness of the superfine cellulose is 0.3 dtex-1.0 dtex.
Experiments show that the sampling time of the fiber bundle 201 provided by the embodiment is within 10s, and is greatly reduced compared with the original sampling time of 3 min. But also the tow 201 that this embodiment provided can plug the setting, and the sample is convenient and the sample volume is few.
Referring to fig. 2 and 4, in the embodiment, a first limiting boss 105 and a second limiting boss 108 are fixedly disposed in the housing slot 104, wherein the second limiting boss 108 is located on a side of the first limiting boss 105 away from the test paper 3, and the second limiting boss 108 is provided with a plate passing gap 1081.
The exterior of the sampler 2 is provided with a clamping plate 203 which can pass through the plate passing notch 1081 and enter the limiting gap between the first limiting boss 105 and the second limiting boss 108. When inserting tow 201 in the shell slot 104, the messenger cardboard 203 with cross board breach 1081 and align, can make cardboard 203 get into spacing clearance, then make the sampler rotate 90, promptly, make cardboard 203 stagger with crossing board breach 1081, can be with the cardboard restriction in spacing clearance.
At this time, on one hand, the first limiting boss 105 blocks the clamping plate 203 to limit the sampler 2 from being inserted continuously, so as to avoid excessively extruding the fiber bundle 201; on the other hand, the second limiting boss 108 blocks the clamping plate 203 from moving outwards, so that the fiber bundle 201 is continuously in a squeezed state, and the sample to be detected is favorably separated from the fiber bundle 201, enters the shell slot 104 and enters the detection cavity 103 through the inclined channel 107. Wherein, an inclined channel 107 extending obliquely to communicate the detection cavity 103 with the shell slot 104 is arranged at the other end of the slot bottom of the shell slot 104; furthermore, the clamping plate 203 also plays a certain role in blocking flow, so as to prevent the sample to be detected in the shell slot 104 from flowing out.
Referring to fig. 3, two drainage baffles 1022 arranged at intervals are fixedly arranged on one side of the lower shell 102 close to the observation window 1011, and the two drainage baffles 1022 and the inner wall of the lower shell 102 enclose a test paper slot 1021 with an opening facing the observation window 1011.
Optionally, an included angle between the inclined channel 107 and the length direction of the pluggable virus detection card 100 is 10 ° to 90 °.
In this embodiment, after the clamping plate 203 is clamped into the limiting gap, the buffering space 109 is left between the fiber bundle 201 and the inclined channel 107.
It should be noted that, the buffer space 109 and the inclined channel 107 can be used as a buffer area before the sample to be detected enters the detection cavity 103, so as to buffer the sample to be detected in the shell slot 104, thereby avoiding the problem that the reaction of the detection test paper 3 is insufficient (flushing liquid) due to the fact that a large amount of sample to be detected rapidly gushes into the detection cavity 103 after the sampler 2 is squeezed.
It is worth pointing out that setting up test paper groove 1021 can guide the sample of waiting to examine in the detection chamber 103 mainly to flow in test paper groove 1021, has avoided waiting to examine the invalid diffusion of sample in the detection chamber 103, and then improves the concentration of waiting to examine the sample, and this can accelerate the reaction rate of waiting to examine between sample and the detection test paper 3, further shortens check-out time.
Optionally, the width of the detection test paper 3 is 0.5 mm-2.5 mm, and the reaction time can also be shortened by properly reducing the width of the detection test paper 3.
Of course, in some other embodiments, a plurality of supporting bosses may be disposed at intervals on the inner side of the lower casing 102, and after the test paper 3 is placed on each supporting boss, the upper casing 101 is fastened to clamp and fix the test paper 3.
The plug-in virus detection card 100 provided by the embodiment has the following advantages:
firstly, sampling is carried out by adopting the fiber bundle 201 with the superfine fibers, enough samples to be detected can be collected within 10s, and the sampling time is greatly shortened;
the test paper 3 is in a long and narrow structure, so that the required dosage of a sample to be detected is effectively reduced, the reaction is rapid, and the reaction can be completed within 30-40s to obtain a detection result;
the detection test paper 3 is placed in the test paper groove 1021, the flowing speed of a sample to be detected is accelerated through capillary action, and the reaction time is effectively shortened;
the detection test paper 3 is elastically deformed in the inclined channel 107, namely, the detection test paper 3 also forms a certain inclined included angle with the length direction of the plug-in poison detection card 100, so that the contact area between the detection test paper 3 and a sample to be detected is increased, the contact amount between the sample to be detected and the detection test paper 3 is increased in unit time, and the reaction time of the detection test paper 3 is shortened;
the distance between the end face of the first limiting boss 105 abutting against the clamping plate 203 and the end face of the extrusion boss 106 extruding the fiber bundle 201 is smaller than the length of the fiber bundle 201 in a natural state, so that after the sampler 2 is inserted into the shell slot 104, the fiber bundle 201 is subjected to compression bending deformation, a sample to be detected contained in the fiber bundle is extruded, and the sample to be detected can move directionally under the action of pressure, so that the detection test paper 3 does not need to be placed strictly and horizontally as the existing test paper when in work; the detection test paper 3 can adapt to more application scenes;
sixthly, the clamping plate 203 is in interference fit with the shell slot 104, and after the sampler 2 is inserted into the shell slot 104, the clamping plate 203 can be clamped in the shell slot 104 to prevent the sampler 2 from being separated from the shell 1 in the detection process;
the inclined channel 107 can play a role in buffering, so that a sample to be detected is prevented from rapidly entering the detection cavity 103, and the accuracy of a detection result is improved;
and the portable terminal 200 is used for automatic judgment, so that the dependence on manpower is reduced, the accuracy of a detection result is improved, and the misjudgment risk is reduced.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A one minute rapid toxicity test device, comprising:
the plug-in virus detection card comprises a sampler for obtaining a sample to be detected, a shell connected with the sampler in a plug-in manner, and detection test paper positioned in the shell; the detection test paper is used for reacting with the sample to be detected;
and the portable terminal is detachably connected with the plug-in type virus detection card and is used for acquiring the visual change condition of the detection test paper and generating a detection result according to the visual change condition.
2. The one-minute rapid virus detection device according to claim 1, wherein a surface of said portable terminal is provided with an end slot, and said pluggable virus detection card is pluggable into said end slot.
3. The one-minute rapid toxicity test apparatus according to claim 2, wherein the housing is provided with an observation window for observing the change of the visual effect of the test strip;
and an information acquisition unit for acquiring the change of the visual effect is arranged in the end slot at a position corresponding to the observation window.
4. The one-minute rapid toxicity test apparatus according to claim 3, wherein the portable terminal further comprises:
the data processing unit is connected with the information acquisition unit and is used for processing the data acquired by the information acquisition unit and generating the detection result;
and the end output device is electrically connected with the data processing unit and is used for providing at least one information display of pictures, characters, videos, sounds or light for the supervisory personnel according to the detection result.
5. The one-minute rapid toxicity test apparatus according to claim 3 or 4, wherein the information collecting unit is a fluorescence sensor or an image sensor.
6. The one-minute rapid toxicity test apparatus according to claim 1,
a detection cavity for storing the detection test paper is arranged in the shell, and a shell slot communicated with the detection cavity is arranged on the end face of one end of the shell;
the sampler comprises a fiber bundle which is connected with the shell slot in a plugging manner and a handheld part which is fixed at one end of the fiber bundle, which is far away from the shell; and the other end of the fiber bundle is used for obtaining the sample to be detected.
7. The one-minute rapid toxicity test apparatus according to claim 6, wherein the bottom of the housing slot is provided with an inclined channel extending obliquely to communicate the test chamber with the housing slot;
one end of the detection test paper penetrates through the inclined channel and extends into the shell slot.
8. The one-minute rapid toxicity test device according to claim 6 or 7, wherein a first limit boss is fixedly arranged in the casing slot, and a clamping plate is arranged outside the sampler;
when the sampler is inserted into the shell slot, the first limiting boss supports against the clamping plate to limit the sampler from being inserted continuously.
9. The one-minute rapid toxicity test device according to claim 8, wherein a second limit boss is provided on a side of the first limit boss away from the test paper; the second limiting boss is provided with a plate passing notch;
the sampler is provided with a clamping plate outside, wherein the clamping plate can penetrate through the plate passing gap to enter a limiting gap between the first limiting boss and the second limiting boss.
10. The one-minute rapid toxicity test device according to claim 6 or 7, wherein a pressing boss for pressing the fiber bundle is further provided on the bottom of the housing slot.
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| CN202111178163.5A CN113866401B (en) | 2021-10-09 | 2021-10-09 | One minute quick poison detection device |
| EP22877857.7A EP4394381A1 (en) | 2021-10-09 | 2022-09-19 | Rapid drug test method, one-minute rapid drug test device, and distributed drug test system |
| PCT/CN2022/119591 WO2023056837A1 (en) | 2021-10-09 | 2022-09-19 | Rapid drug test method, one-minute rapid drug test device, and distributed drug test system |
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