CN113376365A - Sample detection card and sample detection method - Google Patents
Sample detection card and sample detection method Download PDFInfo
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- CN113376365A CN113376365A CN202110571566.XA CN202110571566A CN113376365A CN 113376365 A CN113376365 A CN 113376365A CN 202110571566 A CN202110571566 A CN 202110571566A CN 113376365 A CN113376365 A CN 113376365A
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- 238000005070 sampling Methods 0.000 claims abstract description 54
- 238000010521 absorption reaction Methods 0.000 claims abstract description 37
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 28
- 239000012491 analyte Substances 0.000 claims abstract description 6
- 239000011111 cardboard Substances 0.000 claims description 49
- 238000012360 testing method Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004587 chromatography analysis Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
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- 239000012530 fluid Substances 0.000 claims description 4
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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
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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
- G01N33/558—Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
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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
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56911—Bacteria
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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
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56983—Viruses
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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
- G01N33/72—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood pigments, e.g. haemoglobin, bilirubin or other porphyrins; involving occult blood
- G01N33/721—Haemoglobin
- G01N33/726—Devices
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Abstract
The invention discloses a sample detection card and a sample detection method, wherein the sample detection card is matched with a sampling rod for use to detect an analyte in a sample and comprises a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are connected and can relatively rotate so as to enable the sample detection card to be in an open state or a closed state, the closed state is a state that the front surface of the first clamping plate is covered by the front surface of the second clamping plate, a chromatographic reagent strip is arranged on the front surface of the first clamping plate, an accommodating groove is arranged on the front surface of the second clamping plate, a liquid suction block is arranged in the accommodating groove, a sample treatment liquid is absorbed by the liquid suction block, a display area is arranged on the second clamping plate corresponding to the chromatographic reagent strip, and when the sample detection card is in the closed state, the chromatographic reagent strip is aligned with the accommodating groove. The invention has simple structure, when in detection, the sampling head of the sampling rod is pressed on the liquid absorption block in the accommodating groove, and then the first clamping plate or the second clamping plate is rotated to close the sample detection card, so that the sample can be detected, the use is very convenient, and the detection efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of sample detection, in particular to a sample detection card and a sample detection method.
Background
The current medical technology field generally needs to involve the detection of medical samples, such as blood samples, urine samples, saliva samples, etc., so as to be able to use the detection results of the medical samples as reference, thereby evaluating the health status of patients, whether diseases are suffered, and comprehensively determining the subsequent treatment schemes, etc.
However, the existing sample detection card is very inconvenient to use, the operation process of a worker is complicated when the sample detection card is used for detecting a medical sample, and the quick detection cannot be realized, so that the detection efficiency is low.
Disclosure of Invention
The present invention provides a sample detection card and a sample detection method for solving the above technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a sample test card, uses in order to detect the analyte in the sample with the sampling stick cooperation, sample test card includes first cardboard and second cardboard, first cardboard is connected and can rotate relatively so that sample test card is open mode or closed state, the closed state does the front of first cardboard by the state that the front of second cardboard covered, the front of first cardboard is equipped with chromatography reagent strip, the front of second cardboard is equipped with the storage tank, the imbibition piece has been placed in the storage tank, the imbibition piece adsorbs there is sample treatment fluid, correspond on the second cardboard chromatography reagent strip is equipped with the display area, when sample test card is in closed state, chromatography reagent strip and storage tank align mutually.
Preferably, the sampling rod comprises a rod part and a sampling head arranged at one end of the rod part, the front surface of the second clamping plate is further provided with a positioning through groove for embedding and positioning the rod part, and one end of the positioning through groove is communicated with the accommodating groove.
Preferably, the side wall of the positioning through groove is provided with an elastic clamping part for clamping the rod part.
Preferably, the front surface of the second clamping plate is provided with a first shielding piece capable of sealing the notch of the accommodating groove.
Preferably, the front surface of the first clamping plate is provided with a second shielding piece, and a sealing space for sealing the chromatographic reagent strip is formed between the second shielding piece and the first clamping plate.
Preferably, the front surface of the first clamping plate and/or the front surface of the second clamping plate are provided with connecting parts, and the first clamping plate is connected with the second clamping plate through the connecting parts so as to keep the sample detection card in a closed state.
Preferably, the first clamping plate and the second clamping plate are of an integrated structure, and the first clamping plate is rotatably connected with the second clamping plate through a crease.
Preferably, the display area is a display window arranged on the second clamping plate; or the display area is a transparent display area.
Preferably, chromatography reagent strip is including the application of sample district, detection zone and the district that absorbs water that connects gradually, the display area corresponds the setting with the detection zone, when sample detection card is in the closed condition, the storage tank aligns with the application of sample district.
Preferably, the material of the liquid absorption block is sponge or cotton.
In addition, the invention also provides a sample detection method, which adopts a sampling rod and the sample detection card as described in any one of the above, wherein the sampling rod comprises a rod part and a sampling head arranged at one end of the rod part, and the method comprises the following steps:
s1: collecting a sample through the sampling wand;
s2: pressing the sampling head on the liquid absorption block in the accommodating groove, so that the sample treatment liquid on the liquid absorption block seeps out and is mixed with the sample on the sampling head, and the sample is peeled off from the sampling head by the sample treatment liquid to form intermediate liquid;
s3: holding the sampling wand and the second card relatively stationary, and rotating the first card or the second card to close the sample detection card, allowing the intermediate fluid to flow onto the chromatographic reagent strip;
s4: and reading the detection result through the display area.
Compared with the prior art, the invention has the following beneficial effects:
the sample detection card is simple in structure, when in detection, the sampling head of the sampling rod is pressed on the liquid absorption block in the accommodating groove, and then the first clamping plate or the second clamping plate is rotated to close the sample detection card, so that the sample can be detected, the collected sample does not need to be manually dripped with a sample treatment liquid, the operation is simple, the use is very convenient, and the detection efficiency is greatly improved; in addition, the liquid absorption block in the accommodating groove is used as a carrier of the sample processing liquid, so that the sample processing liquid cannot flow randomly.
Drawings
FIG. 1 is a schematic structural diagram of a sample detection card according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of the sample detection card according to the first embodiment of the present invention in an open state (in the figure, the first shielding sheet and the second shielding sheet are torn off);
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
FIG. 4 is a cross-sectional view of the sample detection card of the first embodiment of the present invention in a closed state (in which the first and second shielding sheets are torn off);
FIG. 5 is a schematic structural view illustrating the second card board with its back side facing upward when the sample detection card is in the closed state according to the first embodiment of the present invention;
FIG. 6 is a schematic view of a sample card and a sample wand according to a first embodiment of the present invention;
fig. 7 is a schematic structural view of the sample detection card according to the second embodiment of the present invention in an open state (the first and second shielding sheets are hidden in the drawing).
The reference numerals are explained below:
10-a first clamping plate, 20-a second clamping plate, 201-a containing groove, 2011-a clamping block, 202-a positioning through groove, 203-an elastic clamping part, 30-a chromatographic reagent strip, 301-a sample adding area, 302-a detection area, 303-a water absorption area, 40-a liquid absorption block, 50-a crease, 60-a first shielding sheet, 70-a second shielding sheet, 80-a connecting part, 90-a display window, 100-a sampling rod, 1001-a rod part and 1002-a sampling head.
Detailed Description
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the sample detection card and the sample detection method according to the present invention are not limited to the embodiments.
Example one
Referring to fig. 1 to 6, a sample test card of the present invention is used in cooperation with a sampling stick 100 to test an analyte in a sample, the sampling stick 100 is used to collect the sample, the sample test card includes a first clamping board 10 and a second clamping board 20, the first clamping board 10 is rotatably connected to the second clamping board 20, the first clamping board 10 and the second clamping board 20 can rotate relatively to make the sample test card in an open state or a closed state, the closed state is a state in which a front surface of the first clamping board 10 is covered by a front surface of the second clamping board 20, a chromatographic reagent strip 30 is disposed on the front surface of the first clamping board 10, a receiving groove 201 is disposed on the front surface of the second clamping board 20, an elastic liquid absorption block 40 is disposed in the receiving groove 201, the liquid absorption block 40 fully absorbs a sample processing liquid, a display area (not shown in the figure) is disposed on the second clamping board 20 corresponding to the chromatographic reagent strip 30, when the sample test card is in the closed state, the chromatographic reagent strip 30 is aligned with the receiving tank 201.
Specifically, the sample in this embodiment refers to a biological sample (such as blood, plasma, serum, urine, lymph, saliva, or the like), the analyte may be a virus, a bacterium, a human hemoglobin, or the like, the first card board 10 has a front surface and a back surface, the front surface of the first card board 10 and the back surface of the first card board 10 are two opposite surfaces, the second card board 20 has a front surface and a back surface, the front surface of the second card board 20 and the back surface of the second card board 20 are two opposite surfaces, the front surfaces of the first card board 10 and the second card board 20 in fig. 1 and 2 are both upward, the liquid absorption block 40 is made of a sponge (specifically, a medical sponge), the sample processing liquid is a lysate, the accommodation groove 201 is circular, the liquid absorption block 40 is set to be a circular structure matched with the accommodation groove 201, a fixture block 2011 for clamping the liquid absorption block 40 is arranged on the inner wall of the accommodation groove 201, as shown in fig. 2 and fig. 6, two fixture blocks 2011 are arranged on the inner wall of the accommodation groove 201, and two fixture blocks 2011 are arranged oppositely, and the liquid absorption block 40 is placed in the containing groove 201 and clamped between the two fixture blocks 2011, so that the liquid absorption block 40 can be prevented from falling from the containing groove 201 in the using process. Of course, in other embodiments, the pipette block 40 may be made of cotton or other materials capable of adsorbing liquid, and the sample processing solution may be a high pH liquid or any other liquid that can separate the sample from the sampling wand 100 and assist the sample in performing chromatography on the chromatographic reagent strip 30 to complete antigen-antibody reaction.
Referring to fig. 1, 2 and 6, in the present embodiment, the first card board 10 and the second card board 20 are of an integrated structure, the first card board 10 and the second card board 20 are connected together by a fold 50, the first card board 10 is rotatably connected to the second card board 20 by the fold 50, and the first card board 10 and the second card board 20 are made of paper, plastic or other materials.
In this embodiment, the display area (not shown) is a transparent display area, and specifically, the entire second card board 20 is made of transparent plastic, so that the display area is a transparent display area, and the material of the first card board 10 is the same as that of the second card board 20. Of course, in other embodiments, only the portion of the display area may be made of a transparent material, so that the display area is a transparent display area, and the portion of the second card board 20 located outside the transparent display area may be made of another material.
Referring to fig. 2, 4 and 6, in the present embodiment, the chromatographic reagent strip 30 includes a sample application region 301, a detection region 302 and a water absorption region 303 connected in sequence, and the display region is disposed corresponding to the detection region 302, so that after the sample detection card is closed, the detection result displayed on the detection region 302 can be read through the display region; when the sample detection card is in a closed state, the containing groove 201 is aligned with the sample addition region 301.
Referring to fig. 1 to 6, in this embodiment, the sampling rod 100 includes a rod portion 1001 and a sampling head 1002 disposed at one end of the rod portion 1001, the front surface of the second clamping plate 20 is further provided with a positioning through groove 202 for the rod portion 1001 to be embedded and positioned, one end of the positioning through groove 202 is communicated with the accommodating groove 201, the side wall of the positioning through groove 202 is provided with an elastic clamping portion 203 for clamping the rod portion 1001, when in use, the sampling head 1002 of the sampling rod 100 is pressed on the liquid absorption block 40 in the accommodating groove 201, and the rod portion 1001 of the sampling rod 100 is pressed into the positioning through groove 202 by applying force, the positioning through groove 202 can prevent the rod portion 1001 from moving and dislocating, so as to prevent the sampling head 1002 from moving and dislocating, and the rod portion 1001 is clamped by the elastic clamping portion 203, the elastic clamping portion 203 elastically deforms and generates a certain resistance to the rod portion 1001, thereby preventing the rod portion 1001 from falling from the positioning through groove 202.
Specifically, in this embodiment, two side walls of the positioning through groove 202 are respectively provided with an elastic clamping portion 203, the two elastic clamping portions 203 are disposed oppositely, the elastic clamping portion 203 and the second card board 20 are integrated, and the material of the elastic clamping portion 203 is also transparent plastic.
Referring to fig. 1, in the embodiment, the front surface of the second clamping plate 20 is provided with the first shielding sheet 60 capable of sealing the notch of the accommodating groove 201, and the first shielding sheet 60 can prevent the liquid absorption block 40 from being polluted, so as to ensure the accuracy of the detection result; the front of the first clamping plate 10 is provided with a second shielding piece 70 capable of covering the chromatographic reagent strip 30, a sealing space for sealing the chromatographic reagent strip 30 is formed between the second shielding piece 70 and the first clamping plate 10, and the chromatographic reagent strip 30 can be prevented from being polluted. Of course, in other embodiments, the sample detection card may be sealed by a packaging bag to prevent the pipette block 40 and the chromatographic reagent strip 30 from being contaminated.
Specifically, in this embodiment, the first shielding sheet 60 and the second shielding sheet 70 are both aluminum foils, the first shielding sheet 60 can also seal the notch of the positioning through slot 202, the first shielding sheet 60 can cover part of the front surface of the second clamping plate 20, the first shielding sheet 60 is fixed to the front surface of the second clamping plate 20 through gluing or heat sealing, the second shielding sheet 70 can cover part of the front surface of the first clamping plate 10, and the second shielding sheet 70 is fixed to the front surface of the first clamping plate 10 through gluing or heat sealing. Of course, in other embodiments, the first shielding piece 60 can cover the whole front surface of the second card 20, and the second shielding piece 70 can cover the whole front surface of the first card 10.
In this embodiment, a separating member (not shown in the figure) is disposed between the first shielding sheet 60 and the liquid absorption block 40, and the separating member can separate the first shielding sheet 60 from the liquid absorption block 40 to prevent the first shielding sheet 60 and the liquid absorption block from directly contacting with each other, specifically, the separating member is a separating film disposed on the first shielding sheet 60, and the separating film is located on one surface of the first shielding sheet 60 facing the liquid absorption block 40. Of course, in other embodiments, the isolation component may also be a pressing piece disposed on the second chuck plate 20, and the pressing piece can press the liquid absorption block 40 in the containing groove 201 and separate the liquid absorption block 40 from the first shielding sheet 60.
Referring to fig. 1, 2 and 6, in the present embodiment, the front surface of the first card board 10 is provided with a connecting portion 80, and when the sample detection card is in the closed state, the first card board 10 is connected to the second card board 20 through the connecting portion 80 so as to keep the sample detection card in the closed state. Specifically, the connecting portion 80 is a double-sided tape, and the sample detection card is held in a closed state by adhesively fixing the first card board 10 and the second card board 20 by the double-sided tape. Of course, in other embodiments, the connecting portion 80 may also be a hook and loop fastener, a buckle, or other connecting structure, as long as it can relatively fix the first card board 10 and the second card board 20 to keep the sample detection card in the closed state.
The embodiment also provides a sample detection method, which adopts the sampling rod 100 and any one of the sample detection cards to detect a sample, wherein the sampling rod 100 comprises a rod part 1001 and a sampling head 1002 arranged at one end of the rod part 1001, and the method comprises the following steps:
s1: a sample is collected via the sampling wand 100.
After sampling, the sampling head 1002 carries the sample.
S2: the first masking strip 60 is torn from the second card 20 and the second masking strip 70 is torn from the first card 10.
As shown in fig. 1 or fig. 2, in this embodiment, the sample detection card is in an open state in an initial state, and the first blocking plate 10 or the second blocking plate 20 is pressed and the first shielding sheet 60 and the second shielding sheet 70 are directly torn off.
S3: as shown in fig. 6, the sampling head 1002 of the sampling rod 100 is pressed on the liquid absorption block 40 in the containing groove 201, so that the sample processing liquid on the liquid absorption block 40 seeps out and is mixed with the sample on the sampling head 1002, and the sample is peeled from the sampling head 1002 by the sample processing liquid to form an intermediate liquid; at the same time, the force is applied to press the rod part 1001 of the sampling stick 100 into the positioning through groove 202, and the rod part 1001 is clamped by the elastic clamping part 203.
S4: the sample stick 100 and the second clamping plate 20 are kept fixed relative to each other, and the sample detection card is closed by rotating the first clamping plate 10 or the second clamping plate 20, and the intermediate solution is allowed to flow onto the sample addition part 301 of the chromatographic reagent strip 30.
The positioning through groove 202 can prevent the rod part 1001 from moving and dislocating, and the elastic clamping part 203 can generate certain resistance on the rod part 1001 to prevent the rod part 1001 from falling off from the positioning through groove 202, so that the sampling stick 100 and the second clamping plate 20 can be relatively fixed; the sample detection card is closed by rotating the first clamping plate 10 or the second clamping plate 20, and the first clamping plate 10 and the second clamping plate 20 are connected through the connecting part 80 so as to keep the sample detection card in a closed state, at this time, the liquid absorption block 40, the sampling head 1002 and the sample adding region 301 are aligned, one side of the sampling head 1002 is in contact with the liquid absorption block 40, and the other side of the sampling head 1002 is in contact with the sample adding region 301 of the chromatographic reagent strip 30, so that the intermediate liquid can flow onto the sample adding region 301 of the chromatographic reagent strip 30. Of course, in other embodiments, the sampling wand 100 can be held stationary relative to the second catch plate 20 by pressing by hand or by other securing means.
S5: and after the sample detection card is set for a set time, reading a detection result through the display area.
Standing the sample detection card for a set time, allowing the intermediate solution to flow to the detection area 302 and the water absorption area 303, and if the amount of the intermediate solution is insufficient, further pressing the liquid absorption block 40 (for example, pressing the position of the back surface of the second clamping plate 20 corresponding to the accommodating groove 201 to further press the liquid absorption block 40), so that the sample treatment solution further seeps out and is mixed with the sample to form the intermediate solution; if the sample contains the analyte, a detection line visible to the naked eye is formed on the detection zone 302, and the detection result is viewed through the display area with the back side of the second card 20 facing upward.
Example two
The present embodiment is substantially the same as the first embodiment, and the difference is only that:
referring to fig. 7, in the present embodiment, the display area is a display window 90 formed on the second clamping plate 20, the receiving groove 201 is rectangular, and the liquid absorption block 40 is configured to have a rectangular structure matching with the receiving groove 201.
In this embodiment, the structures and principles of the remaining portions not described are consistent with the embodiment, and are not described herein again.
In other embodiments, the front surface of the second card board is provided with the connecting portion, or the front surface of the first card board and the front surface of the second card board are both provided with the connecting portion, which can also achieve the purpose of the invention.
Compared with the prior art, the sample detection card has a simple structure, the sampling head of the sampling rod is pressed on the liquid absorption block in the accommodating groove during detection, and then the first clamping plate or the second clamping plate is rotated to close the sample detection card so as to detect the sample, so that the sample treatment liquid does not need to be manually dripped into the collected sample, the operation is simple, the use is very convenient, and the detection efficiency is greatly improved; in addition, the liquid absorption block in the accommodating groove is used as a carrier of the sample treatment liquid, so that the sample treatment liquid cannot flow at will, unnecessary pollution caused by the random flow of the sample treatment liquid can be avoided, the sample treatment liquid can meet the amount required by detection, the reliability of a detection result is ensured, and meanwhile, personnel infection caused by the random flow of mixed liquid after the sample and the sample treatment liquid are mixed can be avoided.
The above embodiments are only used to further illustrate the sample detection card and the sample detection method of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a sample test card, uses in order to detect the analyte in the sample with the sampling stick cooperation, a serial communication port, sample test card includes first cardboard and second cardboard, first cardboard is connected with the second cardboard and can rotate relatively so that sample test card is open mode or closed state, closed state does the front of first cardboard by the state that the front of second cardboard covered, the front of first cardboard is equipped with chromatography reagent strip, the front of second cardboard is equipped with the storage tank, the imbibition piece has been placed in the storage tank, the imbibition piece adsorbs there is sample treatment fluid, correspond on the second cardboard chromatography reagent strip is equipped with the display area, when sample test card is in closed state, chromatography reagent strip and storage tank align.
2. The specimen testing card according to claim 1, wherein said sampling rod comprises a rod portion and a sampling head disposed at one end of said rod portion, and a positioning through groove for inserting and positioning said rod portion is further disposed on the front surface of said second clamping plate, and one end of said positioning through groove is communicated with said receiving groove.
3. The sample detection card according to claim 2, wherein the side wall of the positioning through-groove is provided with an elastic gripping portion for gripping the rod portion.
4. The sample detection card of claim 1, wherein the front face of the second card is provided with a first blocking piece capable of sealing the notch of the receiving slot.
5. The sample detection card according to any one of claims 1 to 4, wherein a second shielding sheet is disposed on the front surface of the first card, and a sealed space for sealing the chromatographic reagent strip is formed between the second shielding sheet and the first card.
6. The sample detection card according to claim 1, wherein the front surface of the first card and/or the front surface of the second card are provided with a connection portion, and the first card is connected to the second card through the connection portion to maintain the sample detection card in a closed state.
7. The sample detection card of claim 1, wherein the first card and the second card are a unitary structure, the first card being rotatably connected to the second card by a fold.
8. The sample detection card of claim 1, wherein the display area is a display window opened on the second card; or the display area is a transparent display area.
9. The sample detection card according to claim 1, wherein the chromatographic reagent strip comprises a sample addition region, a detection region and a water absorption region, which are connected in sequence, the display region is disposed corresponding to the detection region, and the storage groove is aligned with the sample addition region when the sample detection card is in a closed state.
10. A method of testing a sample using a sample wand comprising a shaft portion and a sampling head provided at one end of the shaft portion and a sample test card according to any one of claims 1 to 9, the method comprising the steps of:
s1: collecting a sample through the sampling wand;
s2: pressing the sampling head on the liquid absorption block in the accommodating groove, so that the sample treatment liquid on the liquid absorption block seeps out and is mixed with the sample on the sampling head, and the sample is peeled off from the sampling head by the sample treatment liquid to form intermediate liquid;
s3: holding the sampling wand and the second card relatively stationary, and rotating the first card or the second card to close the sample detection card, allowing the intermediate fluid to flow onto the chromatographic reagent strip;
s4: and reading the detection result through the display area.
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Cited By (1)
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| CN116218655A (en) * | 2023-03-29 | 2023-06-06 | 青岛市莱西赵一峰国际商贸有限公司 | Food microorganism detection device and detection method thereof |
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