CN111505269A - Immunochromatographic analysis instrument - Google Patents
Immunochromatographic analysis instrument Download PDFInfo
- Publication number
- CN111505269A CN111505269A CN202010360180.XA CN202010360180A CN111505269A CN 111505269 A CN111505269 A CN 111505269A CN 202010360180 A CN202010360180 A CN 202010360180A CN 111505269 A CN111505269 A CN 111505269A
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- plate
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- test paper
- strip
- colorimetric
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- 238000004458 analytical method Methods 0.000 title abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 51
- 238000003317 immunochromatography Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 238000003556 assay Methods 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 4
- 239000000020 Nitrocellulose Substances 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 229920001220 nitrocellulos Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/5302—Apparatus specially adapted for immunological test procedures
- G01N33/5304—Reaction vessels, e.g. agglutination plates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
Abstract
The invention provides an immunochromatography analysis instrument, which comprises a base plate, a first vertical plate, a second vertical plate, an upper computer, a camera, an electric telescopic rod, a colorimetric plate and a test paper clamping plate, wherein before an analysis test is carried out, test paper is fixed on the test paper clamping plate, a sample is dripped on the test paper clamping plate, the test paper clamping plate is kept still for a period of time and then pushed into a collection cavity between the first vertical plate and the second vertical plate, the upper computer controls the electric telescopic rod to drive the colorimetric plate to slide in a strip-shaped groove, so that different color areas on the colorimetric plate can move to the lower part of the collection cavity, after the camera collects images of the test paper and the color areas of the colorimetric plate, the upper computer carries out color matching, when the color matching is successful, corresponding colors and corresponding concentration information are displayed on a screen of the camera, and because the image information of the test paper and the colorimetric plate is collected simultaneously during the analysis, therefore, the interference of the illumination of the external environment or the air quality and the like to the color is avoided, and the error generated in the analysis process is reduced.
Description
Technical Field
The invention relates to the technical field of immunodetection, in particular to an immunochromatography analysis instrument.
Background
Immunochromatography (immunochromatography) is a rapid diagnostic technique which has been recently developed, and the principle is that specific antibodies are firstly fixed in a certain zone of a nitrocellulose membrane, after one end of the dried nitrocellulose membrane is immersed in a sample (urine or serum), the sample moves forwards along the membrane due to capillary action, when the sample moves to a region where the antibodies are fixed, corresponding antigens in the sample are specifically bound with the antibodies, and if the region is stained with immune colloidal gold or immune enzyme, the region can show a certain color, so that specific immunodiagnosis is realized.
At present, the concentration of a sample is generally judged according to the color category and the depth of a color development area, the adopted method is that a camera collects the color development area and then processes and judges through software, the mode has large errors, contrast colors stored in the software are obtained by testing in an ideal state, and when the camera collects the color development area, the contrast colors can be influenced by ambient illumination, air quality and the like, so that the color development area collected by the camera has large entrance and exit with the actual situation, the finally obtained concentration value of the sample has large errors, and the specific immunodiagnosis is not facilitated.
Disclosure of Invention
Therefore, the invention provides an immunochromatography analyzer which collects the image information of the test paper and the colorimetric plate for comparison, avoids the influence of environmental illumination or air quality on color and reduces the generation of errors.
The technical scheme of the invention is realized as follows:
an immunochromatography analyzer comprises a bottom plate, a first vertical plate, a second vertical plate, an upper computer, a camera, an electric telescopic rod, a colorimetric plate and a test paper clamping plate, wherein a strip-shaped groove is formed in the upper surface of the bottom plate, the colorimetric plate is arranged in the strip-shaped groove in a sliding manner, and the electric telescopic rod is arranged in the strip-shaped groove and is connected with the colorimetric plate; the first vertical plate and the second vertical plate stretch over the strip-shaped groove to form an acquisition cavity, the camera is positioned above the acquisition cavity, the test paper clamping plate is positioned in the acquisition cavity, and the upper computer is arranged on the upper surface of the bottom plate; the colorimetric plate comprises an elastic collision bead and a plurality of color areas, the elastic collision bead is arranged on the upper surface of the colorimetric plate and is positioned between the two color areas, a positioning groove is formed in the lower surface, above the strip-shaped groove, of the second vertical plate, and a first pressing button is arranged in the positioning groove; the host computer is connected with camera, electric telescopic handle and the first button electricity of pressing respectively.
Preferably, the lower surface that the color comparison plate corresponds every colour region is provided with the second and presses the button, the lower surface that the bar groove is located the collection chamber below is provided with the indent groove, be provided with indentation spring, metal pole and electro-magnet in the indent groove, the metal pole is located the indent groove, and its lower bottom surface is connected with indentation spring, the electro-magnet sets up in the indent groove to with the metal pole contact, the host computer is connected with second press button and electro-magnet electricity respectively.
Preferably, the side surface of the strip-shaped groove is provided with a sliding groove, the side surface of the colorimetric plate is provided with a slide bar, and the slide bar is positioned in the sliding groove.
Preferably, the upper surface of the bottom plate is provided with a limiting groove, the limiting groove is parallel to the first vertical plate and communicated with the strip-shaped groove, the lower surface of the test paper clamping plate is provided with a limiting strip, and the limiting strip is positioned in the limiting groove.
Preferably, a limiting block is arranged at the joint of the limiting groove and the strip-shaped groove.
Preferably, the upper surface of the test paper card is provided with a positioning column.
Preferably, still include chucking mechanism, the first riser lower surface is provided with the slider, the bottom plate upper surface is provided with the roll adjustment groove, be provided with the roll adjustment spring in the roll adjustment groove, the roll adjustment spring is connected with the slider, chucking mechanism carries out the chucking to the roll adjustment spring.
Preferably, chucking mechanism includes the dwang, dwang one end penetrates the roll adjustment groove from the bottom plate side to be located the roll adjustment spring top, be provided with the fixture block on the dwang, it is rotatory the dwang makes the fixture block imbed the roll adjustment spring in carry out the chucking to the roll adjustment spring.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an immunochromatography analyzer, after a test paper is fixed on a test paper clamping plate, a colorimetric plate is driven to move in a strip-shaped groove through an electric telescopic rod, a camera collects a color development area on the test paper and a color area of the colorimetric plate, image information is transmitted to an upper computer, the upper computer compares the color development area with the color area of the colorimetric plate, if the colors are not matched, the electric telescopic rod is controlled to drive the colorimetric plate to move, so that different color areas move into a collection cavity, and because the camera collects images of the color development area and the color area of the colorimetric plate simultaneously, the influence of factors such as illumination and air on the colors is avoided, the finally detected sample concentration error is ensured to be small, and the detection result is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of an immunochromatographic assay apparatus of the present invention;
FIG. 2 is a schematic view showing a connection structure of a second vertical plate and a bottom plate of an immunochromatographic assay device of the present invention;
FIG. 3 is a schematic diagram showing the structure of a colorimetric plate of an immunochromatographic assay device according to the present invention;
FIG. 4 is a schematic view showing a connection structure of a first riser and a plate of an immunochromatographic assay apparatus of the present invention;
FIG. 5 is a schematic circuit diagram of an immunochromatographic assay device of the present invention;
in the figure, 1 is the bottom plate, 2 is the first riser, 3 is the second riser, 4 is the host computer, 5 is the camera, 6 is electric telescopic handle, 7 is the color comparison board, 8 is the test paper cardboard, 9 is the bar groove, 10 is the collection chamber, 11 is the elasticity and bumps the pearl, 12 is the colour region, 13 is the constant head tank, 14 is first press button, 15 is the second press button, 16 is the indent, 17 is the indentation spring, 18 is the metal pole, 19 is the electro-magnet, 20 is the spout, 21 is the draw runner, 22 is the spacing groove, 23 is the spacing, 24 is the stopper, 25 is the reference column, 26 is the slider, 27 is the roll adjustment groove, 28 is the roll adjustment spring, 29 is the dwang, 30 is the fixture block.
Detailed Description
For a better understanding of the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the immunochromatography analyzer provided by the invention comprises a base plate 1, a first vertical plate 2, a second vertical plate 3, an upper computer 4, a camera 5, an electric telescopic rod 6, a colorimetric plate 7 and a test paper clamping plate 8, wherein a strip-shaped groove 9 is formed in the upper surface of the base plate 1, the colorimetric plate 7 is slidably arranged in the strip-shaped groove 9, and the electric telescopic rod 6 is arranged in the strip-shaped groove 9 and connected with the colorimetric plate 7; the first vertical plate 2 and the second vertical plate 3 span over the strip-shaped groove 9 to form an acquisition cavity 10, the camera 5 is positioned above the acquisition cavity 10, the test paper clamping plate 8 is positioned in the acquisition cavity 10, and the upper computer 4 is arranged on the upper surface of the bottom plate 1; the colorimetric plate 7 comprises an elastic collision bead 11 and a plurality of color areas 12, the elastic collision bead 11 is arranged on the upper surface of the colorimetric plate, the elastic collision bead 11 is positioned between the two color areas 12, a positioning groove 13 is arranged on the lower surface of the second vertical plate 3 above the strip-shaped groove 9, and a first press button 14 is arranged in the positioning groove 13; the upper computer 4 is respectively and electrically connected with the camera 5, the electric telescopic rod 6 and the first press button 14.
The invention relates to an immunochromatography analyzer, which is used for carrying out immunochromatography analysis on a nitrocellulose membrane test paper and realizing specific immunodiagnosis, before analysis, the test paper is fixed on a test paper clamping plate 8, a sample (urine or serum) is dripped on the test paper, then the test paper is kept still for a period of time, after the test paper has color, an upper computer 4 controls an electric telescopic rod 6 to drive a colorimetric plate 7 to move, so that a first color region 12 on the colorimetric plate 7 moves to one side of the test paper, a camera 5 carries out image acquisition on the colorimetric plate 7 and the test paper, the acquired image information is transmitted to the upper computer 4, the upper computer 4 judges whether the two colors are matched, if the colors are not matched, the upper computer 4 controls the electric telescopic rod 6 to drive the colorimetric plate 7 to further move, so that a second color region 12 enters an acquisition cavity 10, and then the camera 5 acquires an image, with this repetition, stop the drive to electric telescopic handle 6 when judging two colours to host computer 4, host computer 4 can show corresponding colour and the concentration information that corresponds on its screen this moment, realize the immunodiagnosis of specificity, compare in directly gathering test paper image information and judging, owing to gathered test paper and colorimetric plate 7 simultaneously, consequently no matter what kind of change takes place for the illumination and the air quality of external environment, all act on test paper and colorimetric plate 7 simultaneously, consequently, the matching result of colour is comparatively accurate, the production of reduction error.
The colorimetric plate 7 is provided with a plurality of color areas 12, the width of each color area 12 is equal to the width of a collection cavity 10 formed by clamping a first vertical plate 2 and a second vertical plate 3, and in the whole analysis process, different color areas 12 of the colorimetric plate 7 need to be moved to the lower part of the collection cavity 10, so that the colorimetric plate 7 is provided with the electric telescopic rod 6 and is controlled by the upper computer 4, in order to ensure that each color area 12 can be completely moved to the lower part of the collection cavity 10, the lower surface of the second vertical plate 3 is provided with a positioning groove 13, the upper surface of the colorimetric plate 7 between any two color areas 12 is provided with an elastic touch bead 11, when the colorimetric plate 7 slides in the strip-shaped groove 9, the elastic touch bead 11 arranged on the upper surface of the colorimetric plate can be embedded into the positioning groove 13 and trigger a first press button 14 arranged in the positioning groove 13, and when the first press button 14 is triggered, the upper computer 4 controls the electric telescopic rod 6 to stop working, make the regional 12 of the colour that corresponds on the colorimetric board 7 can stop in gathering 10 belows, certain dwell time has been set up simultaneously in host computer 4, this dwell time can supply camera 5 to gather image data and supply host computer 4 to carry out the colour matching judgement, if host computer 4 judges the colour when not matching, then control 6 drive colorimetric boards 7 of electric telescopic handle and remove in bar groove 9, make next colour region 12 remove gather 10 belows, with this repeated colour that until obtaining the matching, whole colorimetric in-process need not artifical the participation, analyst only need wait on one side the result that host computer 4 shows can, realize complete automation process.
Preferably, the colorimetric plate 7 is provided with a second press button 15 corresponding to the lower surface of each color zone 12, the lower surface of the strip-shaped groove 9 below the collecting cavity 10 is provided with a retraction groove 16, the retraction spring 17, a metal rod 18 and an electromagnet 19 are arranged in the retraction groove 16, the metal rod 18 is arranged in the retraction groove 16, the lower bottom surface of the metal rod is connected with the retraction spring 17, the electromagnet 19 is arranged in the retraction groove 16 and contacts with the metal rod 18, and the upper computer 4 is electrically connected with the second press button 15 and the electromagnet 19 respectively.
A retraction groove 16 is arranged at the position of the strip-shaped groove 9 below the collection cavity 10, a metal rod 18 is arranged in the retraction groove 16, the metal rod 18 is connected with the bottom of the retraction groove 16 through a retraction spring 17, an electromagnet 19 is also arranged in the retraction groove 16, the electromagnet 19 is in contact with the metal rod 18, in a normal state, the electromagnet 19 is electrified and magnetized to attract the metal rod 18, so that the metal rod 18 keeps the retraction state in the retraction groove 16, when one color area 12 of the colorimetric plate 7 moves to the collection cavity 10, a second press button 15 correspondingly arranged on the lower surface of the colorimetric plate is arranged right above the retraction groove 16 at the bottom of the strip-shaped groove 9, if the upper computer 4 judges that the color of the color area 12 is matched with the color of the test paper, the upper computer 4 cuts off the electric energy output to the electromagnet 19 to demagnetize the color, so that the metal rod 18 is popped upwards under the action of the retraction spring 17, and extrude second press button 15, host computer 4 receives the signal of telecommunication that second press button 15 sent, directly shows the corresponding colour of colour zone 12 and the sample concentration information that this colour corresponds on the display, because the lower surface of every colour zone 12 has all set up second press button 15, consequently host computer 4 can judge corresponding colour zone 12 according to the signal of telecommunication that different second press button 15 received sent.
Preferably, the side of the strip-shaped groove 9 is provided with a sliding groove 20, the side of the colorimetric plate 7 is provided with a slide bar 21, and the slide bar 21 is located in the sliding groove 20.
When the colorimetric plate 7 slides in the strip-shaped groove 9, the slide bar 21 arranged on the side edge of the colorimetric plate can slide along the slide groove 20 on the side surface of the strip-shaped groove 9.
Preferably, the upper surface of the bottom plate 1 is provided with a limiting groove 22, the limiting groove 22 is parallel to the first vertical plate 2 and communicated with the strip-shaped groove 9, the lower surface of the test paper clamping plate 8 is provided with a limiting strip 23, the limiting strip 23 is located in the limiting groove 22, a limiting block 24 is arranged at the joint of the limiting groove 22 and the strip-shaped groove 9, and the upper surface of the test paper clamping plate 8 is provided with a positioning column 25.
According to the invention, the test paper clamping plate 8 is arranged in a sliding type structure, before analysis, the test paper clamping plate 8 is pulled out from the collection cavity 10, the limiting strip 23 arranged on the lower surface of the test paper clamping plate moves towards the direction far away from the collection cavity 10 along the limiting groove 22, then the test paper to be detected is fixed on the test paper clamping plate 8, the test paper is positioned through the positioning column 25 arranged on the test paper clamping plate 8, after a sample is dripped on the test paper, the test paper clamping plate 8 is pushed to slide along the limiting groove 22, after the limiting strip 23 is contacted with the limiting block 24 at the end part of the limiting groove 22, the test paper clamping plate 8 is stopped being pushed, at the moment, the test paper clamping plate 8 is positioned in the collection cavity 10, and then an immunochromatography analysis test can be carried out after standing for a period.
Preferably, still include chucking mechanism, 2 lower surfaces of first riser are provided with slider 26, 1 upper surface of bottom plate is provided with roll adjustment groove 27, be provided with roll adjustment spring 28 in the roll adjustment groove 27, roll adjustment spring 28 is connected with slider 26, chucking mechanism carries out the chucking to roll adjustment spring 28, chucking mechanism includes dwang 29, dwang 29 one end penetrates roll adjustment groove 27 from bottom plate 1 side to be located roll adjustment spring 28 top, be provided with fixture block 30 on the dwang 29, it is rotatory dwang 29 makes fixture block 30 imbed and carries out the chucking to roll adjustment spring 28 in the roll adjustment spring 28.
In order to be compatible with the use of test paper with various sizes, the first vertical plate 2 is further arranged to be in an adjustable structure, so that the width of the collection cavity 10 changes, when the distance is adjusted, the first vertical plate 2 is pushed first, the sliding block 26 arranged on the lower surface of the first vertical plate slides in the distance adjusting groove 27, the sliding block 26 extrudes the distance adjusting spring 28 in the sliding process, after the position of the first vertical plate 2 is selected, the rotating rod 29 is rotated to be located at one end of the outer portion of the bottom plate 1, the clamping block 30 located on the outer surface of the bottom plate is rotated and embedded into the distance adjusting spring 28, the clamping of the distance adjusting spring 28 is realized, the first vertical plate 2 can be fixed at the position to be adjusted, and corresponding analysis can be carried out after the colorimetric plates 7 with different sizes are replaced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. An immunochromatography analyzer is characterized by comprising a bottom plate, a first vertical plate, a second vertical plate, an upper computer, a camera, an electric telescopic rod, a colorimetric plate and a test paper clamping plate, wherein the upper surface of the bottom plate is provided with a strip-shaped groove, the colorimetric plate is arranged in the strip-shaped groove in a sliding manner, and the electric telescopic rod is arranged in the strip-shaped groove and is connected with the colorimetric plate; the first vertical plate and the second vertical plate stretch over the strip-shaped groove to form an acquisition cavity, the camera is positioned above the acquisition cavity, the test paper clamping plate is positioned in the acquisition cavity, and the upper computer is arranged on the upper surface of the bottom plate; the colorimetric plate comprises an elastic collision bead and a plurality of color areas, the elastic collision bead is arranged on the upper surface of the colorimetric plate and is positioned between the two color areas, a positioning groove is formed in the lower surface, above the strip-shaped groove, of the second vertical plate, and a first pressing button is arranged in the positioning groove; the host computer is connected with camera, electric telescopic handle and the first button electricity of pressing respectively.
2. The immunochromatographic assay instrument according to claim 1, wherein a second push button is provided on the lower surface of the colorimetric plate corresponding to each color zone, a retraction groove is provided on the lower surface of the strip-shaped groove below the collection chamber, a retraction spring, a metal rod and an electromagnet are provided in the retraction groove, the metal rod is located in the retraction groove, the lower bottom surface of the metal rod is connected with the retraction spring, the electromagnet is provided in the retraction groove and contacts with the metal rod, and the upper computer is electrically connected with the second push button and the electromagnet respectively.
3. The immunochromatographic assay apparatus according to claim 1, wherein a slide groove is provided on a side surface of the strip groove, and a slide bar is provided on a side surface of the colorimetric plate, and the slide bar is located in the slide groove.
4. The immunochromatographic assay instrument according to claim 1, wherein a limiting groove is formed in the upper surface of the base plate, the limiting groove is parallel to the first vertical plate and communicated with the strip-shaped groove, and a limiting strip is formed on the lower surface of the test paper card and is located in the limiting groove.
5. The immunochromatographic assay instrument according to claim 4, wherein a stopper is provided at a junction of the stopper groove and the strip-shaped groove.
6. The immunochromatographic assay instrument of claim 1, wherein the upper surface of the test paper card is provided with positioning posts.
7. The immunochromatographic assay instrument according to claim 1, further comprising a clamping mechanism, wherein a sliding block is arranged on the lower surface of the first vertical plate, a distance adjusting groove is arranged on the upper surface of the bottom plate, a distance adjusting spring is arranged in the distance adjusting groove, the distance adjusting spring is connected with the sliding block, and the clamping mechanism clamps the distance adjusting spring.
8. The immunochromatographic assay instrument according to claim 7, wherein the chucking mechanism comprises a rotating rod, one end of the rotating rod penetrates into the distance adjusting groove from the side surface of the bottom plate and is located above the distance adjusting spring, a clamping block is arranged on the rotating rod, and the rotating rod is rotated to enable the clamping block to be embedded into the distance adjusting spring to chuck the distance adjusting spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360180.XA CN111505269B (en) | 2020-04-30 | 2020-04-30 | Immunochromatography analysis instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360180.XA CN111505269B (en) | 2020-04-30 | 2020-04-30 | Immunochromatography analysis instrument |
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| Publication Number | Publication Date |
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| CN111505269A true CN111505269A (en) | 2020-08-07 |
| CN111505269B CN111505269B (en) | 2024-03-29 |
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| CN202010360180.XA Active CN111505269B (en) | 2020-04-30 | 2020-04-30 | Immunochromatography analysis instrument |
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| JP2007285988A (en) * | 2006-04-20 | 2007-11-01 | Wako Pure Chem Ind Ltd | Analyzing device and measuring method |
| JP2012225864A (en) * | 2011-04-22 | 2012-11-15 | Ushio Inc | Analyzer |
| CN202275082U (en) * | 2011-05-06 | 2012-06-13 | 杭州顿力医疗器械股份有限公司 | CCD (Charge Coupled Device) type colloidal gold immunochromatograohic assay diagnostic strip quantitative analysis system |
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| CN111505269B (en) | 2024-03-29 |
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