CN111733066A - Integrated reagent cup for sample treatment and detection and method for detecting sample - Google Patents
Integrated reagent cup for sample treatment and detection and method for detecting sample Download PDFInfo
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- CN111733066A CN111733066A CN201910934695.3A CN201910934695A CN111733066A CN 111733066 A CN111733066 A CN 111733066A CN 201910934695 A CN201910934695 A CN 201910934695A CN 111733066 A CN111733066 A CN 111733066A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
Abstract
The invention discloses a sample processing and detection integrated reagent cup with an active material transfer function, which comprises a rotary cover, a reagent cup body and an injection pipettor, wherein one end of the reagent cup body is connected with the rotary cover, and the other end of the reagent cup body is connected with a reagent kit; the injection pipettor penetrates through the rotary cover and the reagent cup body, and the bottom of the injection pipettor is far away from or close to the reagent box through moving. The reagent cup realizes that a sample to be detected in the reagent box is sucked by the injection pipettor and is uniformly mixed with multiple reaction reagents, and then detection reaction occurs to obtain a detection result, the whole process occurs in the reagent cup automatically, the spacing sealing structure and the isolation sealing film of the reagent ensure that a product is detected in a closed environment, aerosol pollution is avoided, the sealing performance is good, the sample to be detected enters, the detection result is directly output by the control of a matched detection instrument, the automation degree is high, the structure is simple, the cost is low, the detection accuracy is high, and meanwhile, magnetic particles can be used for extracting sample nucleic acid.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a sample treatment and detection integrated reagent cup with an active material transfer function and a method for testing a sample.
Background
The molecular detection technology platform mainly comprises a polymerase chain reaction technology, a molecular hybridization technology, a DNA sequencing technology, a gene chip and the like. Molecular detection technology has been widely used in the research of infectious disease diagnosis, epidemic disease investigation, food hygiene inspection, early diagnosis of tumor and genetic diseases, forensic identification, tumor individualized diagnosis, blood screening, prenatal screening, pharmacogenomics and other fields. Is the most rapidly developed clinical examination technology at present.
The Polymerase Chain Reaction (PCR) is a molecular biology technique for amplifying and amplifying a specific DNA fragment, which can be regarded as the special DNA replication in vitro, and the biggest characteristic of PCR is that a trace amount of DNA can be greatly increased. PCR (polymerase chain reaction) is a method of synthesizing a complementary strand by using DNA which is denatured at a high temperature of 95 ℃ in vitro and becomes a single strand, combining a primer and the single strand at a low temperature (usually about 60 ℃) according to the principle of base complementary pairing, adjusting the temperature to the optimal reaction temperature (about 72 ℃) of DNA polymerase, and synthesizing the complementary strand by the DNA polymerase along the direction from phosphate to pentose (5 '-3').
The fluorescent quantitative PCR technology is the main application of the polymerase chain reaction technology and is also the mainstream of the molecular detection technology. However, the complexity of sample extraction and aerosol contamination are important barriers for limiting the further application of the fluorescent quantitative PCR technology in clinic. Meanwhile, the traditional product has many experimental steps, low automation degree, needs a special PCR laboratory and other factors which can restrict the rapid development and the primary clinical application.
With the social development and the transformation of medical treatment modes, an automatic integrated product which is accurate in detection, simple in operation, small in size and free of a specific PCR laboratory is urgently needed clinically. However, due to the complexity of the molecular detection technology, there are few fully automated and integrated instrument platforms from sample processing to result reporting, or there are many technical problems that are difficult to solve, such as complex structure, poor sensitivity, and complex operation and detection equipment, and currently, the increasingly developed clinical requirements cannot be met.
Wherein the prior conventional real-time fluorescent quantitative PCR technology is insufficient:
1) the experimental steps are multiple;
2) the automation degree is low;
3) a specialized PCR laboratory is required;
4) the requirement on operators is high;
5) easy aerosol pollution.
The existing sample extraction and detection integrated scheme is not enough:
1) the detection reagent cup has a complex structure and high cost, and cannot extract sample nucleic acid by magnetic particles;
2) the product flux is not large, and only one reaction tube is provided;
3) the PCR tube has high die sinking requirement and high cost;
4) the sealing film piercing process is risky.
Seeleri GeneXpert applied for several related patents, including U.S. patent document (US9669409) disclosing a lid structure, the structure and function of the base of US9669409, the PCR reaction tube structure disclosed in US9322052, etc.; however, the patent applied by seebeck company GeneXpert does not relate to the function of magnetic particle extraction of the sample, which is a commonly used method; the reaction tube needs to be manually inserted into the reaction cup, and the operation is complicated; only one reaction tube can be manufactured at a time, and the flux is limited.
Chinese patent document (application No. 2018102991469) discloses a sample processing and detecting reagent cup box with a material transfer structure, which comprises a box body formed by an outer cover, wherein an opening-closing type sample adding port is formed in the outer cover at the top end of the box body, a carrying disc is arranged on the inner side of the box body, a round hole is formed in the middle of the carrying disc, a second fixing buckle is arranged on the side wall of the round hole, a waste liquid storage bin, a first clamping groove, a second clamping groove and a sealing hole which are formed in the carrying disc are arranged on the periphery of the round hole, a sealing area is formed by the waste liquid storage bin, the first clamping groove and the second clamping groove through sealing films, the material transfer structure is arranged in the round hole, and a sample processing plastic pipe is glued and sealed in the first clamping groove; however, in the technical scheme, the PCR tube is integrated in other modules and is opened, the production process is high in requirement and high in cost, and the sealing film is punctured by the pipette tip at risk.
Therefore, there is a need to develop a sample treatment and detection integrated reagent cup and detection method with simple operation, high automation degree, low cost and no pollution and with an active material transfer function.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sample treatment and detection integrated reagent cup which has the advantages of simple operation, high automation degree, low cost, good sealing performance and no pollution and has an active material transfer function.
In order to solve the technical problems, the invention adopts the technical scheme that the sample processing and detecting integrated reagent cup with the active material transfer function comprises a rotary cover, a reagent cup body and an injection pipettor, wherein one end of the reagent cup body is connected with the rotary cover, and the other end of the reagent cup body is connected with a reagent kit; the injection pipettor penetrates through the rotary cover and the reagent cup body, and the bottom of the injection pipettor is far away from or close to the reagent box through movement.
By adopting the technical scheme, the rotary cover is connected with the reagent cup body, the injection pipettor penetrates through the rotary cover and the reagent cup body, and the bottom of the injection pipettor is far away from or close to the reagent box through movement, so that a sample to be detected in the reagent box is sucked by the injection pipettor and is uniformly mixed with a plurality of reaction reagents, and a detection reaction occurs again, so that a detection result is obtained, the whole process is fully automatically performed in the reagent cup, the limit sealing structures of the upper part (the rotary cover) and the lower part (the reagent box) and the isolation sealing film of the reagent ensure that a product is detected in a closed environment, aerosol pollution is avoided, and the sealing performance; the sample to be detected enters, the detection result is directly output through the control of a matched detection instrument, the automation degree is high, the reagent cup is simple in structure, low in cost and high in detection accuracy, and meanwhile, magnetic particles can be used for extracting sample nucleic acid, and the reagent cup has an active material transfer function.
The invention is further improved in that the rotary cover and the reagent cup body are in rotatable connection. Through rotatory lid for the reagent cup is rotatory, can drive the injection pipettor that runs through rotatory lid along circular motion in the reagent cup to make the bottom of injection pipettor get into different positions in the reagent box.
The injection pipettor is further improved in that the injection pipettor comprises a pressing part, a pipette and a sharp thorn part, wherein one end of the pressing part is connected to the inside of the pipette and is in piston connection with the pipette; the spine part is connected to one end of the pipette far away from the pressing part; the spine part is of a hollow structure. The injection pipettor performs piston motion in the pipettor by pressing the parts, so that the spine part of the hollow structure sucks and extrudes a sample to be detected and uniformly mixes the sample with various reaction reagents, thereby realizing full-automatic detection. The liquid suction and drainage of the injection pipettor are realized by controlling the pressing part through an external detection instrument; in addition, the sharp thorn part of the hollow structure can puncture the sealing film, so that the product quality is ensured, and the performance is stable.
The invention is further improved in that the rotary cover is also provided with a positioning driving groove which is connected with an external device and used for controlling the rotary cover to rotate relative to the reagent cup body through the external device.
The injection pipettor is further improved in that a rotating cover limiting piece is arranged outside the injection pipettor, a limiting piece sliding groove is formed in the reagent cup body, and the rotating cover limiting piece is matched with the limiting piece sliding groove to achieve a limiting effect. The locating part spout mating reaction on rotatory lid locating part and the reagent cup for to the fixed limiting displacement of reagent cup, rotatory lid locating part is located the outside of injection pipettor and is used for protecting the storage of injection pipettor before not opening the use simultaneously, consequently need pull out rotatory lid locating part when packing into corresponding detecting instrument with this reagent cup. After the rotary cover and the reagent kit are connected with the reagent cup body, the sealed environment of the reagent kit during reaction is realized by heat sealing, ultrasound, dispensing and other methods, so that aerosol pollution of PCR reaction is avoided.
The invention is further improved in that a pipettor guide column is further arranged on the rotary cover and extends into the reagent cup body. The one end that is close to the reagent cup in the through hole of injection pipettor on the rotatory lid is equipped with the pipettor guide post, makes the injection pipettor stretch into in the pipettor guide post after running through the rotatory lid, strengthens the directional to moving liquid of injection pipettor through the pipettor guide post to guarantee to each reagent pipe location in the reagent box accurate, the imbibition moves liquid the accuracy.
The invention further improves that the injection pipettor is fixedly connected with the rotary cover through a pipettor fixing piece and a pipettor sealing piece. The pipettor sealing element can be made of rubber or silica gel, and the arrangement can not only ensure the injection pipettor to move in the through hole, but also ensure the sealing property in the reagent cup.
The invention is further improved in that a sample inlet is also arranged on the rotary cover, and a sample introduction guide column extending into the reagent cup body is arranged at one end of the sample inlet close to the reagent cup body. The sample introduction guide column is used for orienting the sample introduction direction, so that accurate positioning and accurate sample addition of a sample tube of the kit are ensured.
The invention is further improved in that a plurality of reagent tubes are arranged on the kit, and at least one PCR tube is arranged on the kit. The reagent isolation of a plurality of reagent tubes in the kit is realized by sealing membranes, different reagents are filled in each reagent tube, wherein reaction freeze-dried powder is packaged in the PCR tube, and the quantity of the reagent tubes can be freely increased or decreased according to the product flux. Preferably, the number of the reagent tubes is 11, the number of the PCR tubes is 1, wherein 11 reagent tubes are respectively a sample tube (without sealing film at the tube orifice), a reagent tube containing dried substances such as RNA carrier, protease K and the like (with sealing film at the tube orifice), a lysis solution tube (reagent tube containing lysis solution, with sealing film at the tube orifice), a magnetic particle tube (reagent tube containing magnetic particles, with sealing film at the tube orifice), a washing solution a tube (reagent tube containing washing solution a, with sealing film at the tube orifice), a washing solution B tube (reagent tube containing washing solution B, with sealing film at the tube orifice), a waste washing solution tube (reagent tube containing waste solution, without sealing film at the tube orifice), a washing solution one (reagent tube containing sterile water, with sealing film at the tube orifice), a washing solution two (reagent tube containing sterile water, with sealing film at the tube orifice), an EB elution solution tube (reagent tube containing EB eluent, with sealing film at the tube orifice), a liquid paraffin tube (reagent tube containing liquid paraffin, the pipe orifice is provided with a sealing film); the magnetic particles can be spherical, square, dumbbell-shaped, and the like or a mixture of magnetic particles in various shapes.
The invention is further improved in that a rotating cover positioning ring is arranged outside the rotating cover. The rotary cover locating ring is arranged outside the rotary cover to play a role in fixing and limiting.
The reagent kit is further improved in that a groove is formed in one end, close to the reagent kit, of the reagent cup body, a convex edge strip is arranged at one end, close to the reagent cup body, of the reagent kit, and the groove and the convex edge strip are clamped with each other so that the reagent cup body and the reagent kit are fixed and limited.
As a preferred technical scheme, at least one sealing ring is arranged on the rotary cover and nested in the reagent cup body, and a corresponding structure matched with the sealing ring is arranged in the reagent cup body.
As a preferred technical solution of the present invention, the rotation cap limiting member includes a rotation cap limiting buckle and a rotation cap limiting cover, the top of the rotation cap limiting cover extends horizontally and outwardly and is provided with the rotation cap limiting buckle in a vertical extending manner, and the rotation cap limiting buckle is matched with the limiting member sliding groove to be clamped and positioned.
As a preferred technical scheme of the invention, a pipette limiting clamping sleeve is arranged on the outer side of the pipette fixing piece. The rotary cover limiting cover is arranged outside the injection pipettor through a pipettor limiting clamping sleeve and used for protecting the injection pipettor, namely protecting the injection pipettor from being stored before being opened for use.
As a preferred technical scheme of the invention, a sample adding plug is arranged on the sample inlet.
As a preferred technical scheme of the invention, the PCR tube is detachably connected with the kit through a PCR fixing bolt and a PCR fixing nut. The PCR tube is internally provided with reaction freeze-dried powder and then connected to a PCR fixing bolt on the kit through a PCR fixing nut, and the structure can adopt a universal PCR tube, so that the cost is reduced. The external detection instrument is also provided with a pipe sleeve type temperature regulation and control device of the PCR tube, a magnetic adsorption device, in particular to a reaction temperature regulation and control device of the PCR tube.
In a preferred embodiment of the present invention, the pipette is inserted into the reagent cup through the rotary cap, and the tip is moved away from or close to the reagent cartridge; the pressing part is located on one side, far away from the reagent cup body, of the rotary cover, and the pressing part is located inside the rotary cover limiting cover. Such an arrangement further facilitates the protection of the syringe pipettor from storage prior to unopened use.
As a preferred technical scheme of the present invention, a pipe sleeve is arranged at one end of the pipette connected with the pressing part, and a clamping plate is further connected to the pipe sleeve and is clamped with the pipette limiting clamping sleeve. Thereby better playing the location protection effect to the injection pipettor.
The invention also aims to solve the problem of providing a method for processing and detecting the test sample of the integrated reagent cup, which has the advantages of simple operation, high automation degree, low cost, good sealing performance and no pollution and has the function of actively transferring materials.
In order to solve the technical problems, the invention adopts the technical scheme that the method for detecting the sample by using the sample processing and detecting integrated reagent cup with the active material transfer function specifically comprises the following steps:
(1) opening the package of the integrated reagent cup, scanning the code to confirm information, and adding the sample to a sample inlet of the reagent cup;
(2) pulling down the rotating cover limiting part in the reagent cup in the step (1), putting the reagent cup into a detection instrument, and starting detection; the detection instrument controls the injection pipettor to move, suck and discharge liquid and controls the rotary cover to rotate;
(3) moving the injection pipettor into a sample to be detected, sucking the sample to be detected, adding the sample to be detected into RNAcarrier and protease K dry substances, and uniformly mixing to obtain a uniformly mixed substance;
(4) moving the injection pipettor into the uniform mixture, sucking the uniform mixture, adding the uniform mixture into a lysis solution, and uniformly mixing to obtain a lysis uniform mixture;
(5) moving the injection pipettor into the uniformly lysed substance to suck the uniformly lysed substance, and adding the uniformly lysed substance into magnetic particles to incubate and then adsorb the magnetic particles; the injection pipettor sucks waste liquid and moves the waste liquid into a waste liquid pipe;
(6) the injection pipettor moves into washing liquor and sucks the washing liquor, then the washing liquor is added into the sample to be detected in the step (5), the magnetic attraction is removed, then the sample is uniformly mixed and then is subjected to magnetic particle adsorption, and the injection pipettor sucks waste liquid again and moves into a waste liquid pipe;
(7) repeating the step (6) to obtain a cleaned sample;
(8) moving the injection pipettor into a washing liquid I for washing;
(9) moving the injection pipettor into an eluent EB (Electron beam) and absorbing the eluent EB, adding the eluent EB into the cleaned sample obtained in the step (7), and performing incubation and magnetic particle adsorption to obtain an eluted sample;
(10) moving the injection pipettor into a second washing liquid for washing;
(11) the injection pipettor sucks the eluted sample in the step (9), and the sample is moved into a PCR tube to be uniformly mixed with a built-in PCR reagent;
(12) the injection pipettor is moved into the liquid paraffin for uniform mixing, then the liquid paraffin mixture is sucked, and the liquid paraffin mixture is moved into a PCR tube, so that the sample is extracted, and the preparation of PCR reaction is carried out;
(13) the injection pipettor returns to an initial position;
(14) and carrying out PCR reaction, and detecting the fluorescent signal by the detection instrument to obtain a detection result.
By adopting the technical scheme, the rotating cover in the sample processing and detecting integrated reagent cup with the active material transfer function is controlled to rotate by the detecting instrument so as to drive the injection pipettor to rotate in the reagent cup, the injection pipettor in the sample processing and detecting integrated reagent cup with the active material transfer function is controlled to move, absorb and discharge liquid by the detecting instrument, and a sample to be detected is added into the sample tube in the kit, so that the sample to be detected is uniformly mixed with various reagents to carry out sample extraction and PCR reaction, the sample to be detected is added, a result is directly obtained after the reagent cup is placed into the detecting instrument, and the complex molecular detection process is completed; wherein the external detecting instrument controls the up-and-down movement of the injection pipettor, the liquid absorption and drainage and the uniform mixing of the injection pipettor, the rotation of the rotary cover, and the external detecting instrument also has a pipe sleeve type temperature regulating device and a magnetic adsorption device of the PCR pipe.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1) the method has low requirements on operators, simple and convenient reagent and instrument operation, high automation, integrated design, aerosol pollution avoidance, no need of special PCR laboratories, and provides powerful technical support for popularizing the fluorescent quantitative PCR technology to the basic medical institution;
2) the reagent cup has the advantages of simple structure, simple operation, low cost and accurate detection result, and can extract sample nucleic acid by magnetic particles; the quantity of the reagent tubes can be freely increased or decreased according to the product flux, and the reagent tubes filled with the reagents are punctured by the sharp parts with hollow structures, so that the product quality is ensured, and the performance is stable; the reagent cup is a device integrating nucleic acid extraction and amplification detection, realizes convenient operation of sample inlet and result outlet, and completes complex molecular detection; the reagent cup can also be used for immune reaction detection;
3) the consumable items of the integrated pretreatment of the existing market products are relatively complex, so that the cost of single detection is too high, the molecular POCT can only be applied to the high-end market, and the limitation of application scenes is not broken through; the technical scheme of the invention reasonably positions the molecular diagnosis POCT product, develops the portable PCR POCT equipment and the reagent with low cost and simple flow, truly applies the PCR technology to the POCT field and improves the social and economic benefits.
Drawings
The following further detailed description of embodiments of the invention is made with reference to the accompanying drawings:
FIG. 1 is a schematic perspective view of a sample processing and testing integrated reagent cup with active material transfer function according to the present invention;
FIG. 2 is a schematic cross-sectional view of a sample processing and testing integrated reagent cup with active material transfer function according to the present invention;
FIG. 3 is an exploded view of the sample processing and testing integrated reagent cup with active material transfer capability of the present invention;
FIG. 4 is a rear view of the integrated sample processing and testing reagent cup with active material transfer function of the present invention;
FIG. 5 is a front view of the integrated reagent cup with active material transfer function for sample processing and detection according to the present invention;
FIG. 6 is a top view of the rotary lid of the integrated sample processing and testing cuvette with active material transfer function according to the present invention;
FIG. 7 is a schematic diagram of the integrated sample processing and testing cup with active material transfer of the present invention with the reagent cup removed;
fig. 8 is a partially enlarged schematic view of a pressing portion and a rotating cover of the injection pipettor of the integrated sample processing and detection reagent cup with active material transfer function according to the present invention;
FIG. 9 is a partially enlarged schematic view of a rotation cap position-limiting member of the integrated reagent cup and a pressing portion of the injection pipettor according to the present invention;
FIG. 10 is a partially enlarged structural view of the kit of the present invention;
FIG. 11 is a bottom view of the kit of the present invention;
FIG. 12 is a top view of a kit of the invention;
wherein: 1-rotating the cover; 101-rotation cap stop; 1011-rotating cover limit buckle; 1012-rotating the cover limit shield; 102-rotating the lid retainer ring; 103-sealing ring; 2-reagent cup body; 201-a stopper runner; 202-grooves; 3-an injection pipettor; 301-a pressing portion; 302-pipette; 303-spike portion; 304-pipette limit cartridge; 305-a tube sleeve; 306-a card board; 307-pipette guide post; 308-a pipette fixture; 309-pipette seal; 4-kit; 401-convex edging; 402-PCR tube; 4021-fixing screw cap for PCR tube; 4022-fixing bolt for PCR tube; 5-positioning the driving groove; 6-sample inlet; 601-sample introduction guide column; 602-plug for sample application.
Detailed Description
In order to better explain the technical scheme of the invention, the technical scheme of the invention is further described in detail by combining the drawings and the embodiment.
Example 1: as shown in fig. 1 to 12, the sample processing and detection integrated reagent cup with the active material transfer function comprises a rotary cover 1, a reagent cup body 2 and an injection pipettor 3, wherein one end of the reagent cup body 2 is connected with the rotary cover 1, and the other end of the reagent cup body 2 is connected with a reagent kit 4; the injection pipettor 3 penetrates through the rotary cover 1 and the reagent cup body 2, and the bottom of the injection pipettor 3 is far away from or close to the reagent box 4 through movement; the rotary cover 1 is rotatably connected with the reagent cup body 2; by rotating the rotary cover 1 relative to the reagent cup body 2, the injection pipettor 3 penetrating through the rotary cover 1 can move along the circumference in the reagent cup body 2, so that the bottom of the injection pipettor 3 enters different positions in the reagent kit 4; the injection pipettor 3 comprises a pressing part 301, a pipette 302 and a sharp part 303, wherein one end of the pressing part 301 is connected inside the pipette 302 and is in piston connection with the pipette 302; the spine 303 is connected to an end of the pipette 302 away from the pressing part 301; the spine part 303 is of a hollow structure; the injection pipettor 3 performs piston motion in the pipettor 302 through the pressing part 301, so that the spine part 303 with a hollow structure sucks and extrudes a sample to be detected and uniformly mixes the sample with a plurality of reaction reagents, thereby realizing full-automatic detection; the rotary cover 1 is also provided with a positioning driving groove 5 which is connected with external equipment and used for controlling the rotary cover 1 to rotate relative to the reagent cup body 2 through the external equipment; a rotating cover limiting part 101 is arranged outside the injection pipettor 3, a limiting part sliding groove 201 is arranged on the reagent cup body 2, and the rotating cover limiting part 301 is matched with the limiting part sliding groove 201 to achieve a limiting effect; the rotating cover limiting piece 301 is matched with the limiting piece sliding groove 201 on the reagent cup body 2 for fixing and limiting the reagent cup body 2, and meanwhile, the rotating cover limiting piece 301 is positioned outside the injection pipettor 3 for protecting the injection pipettor 3 from being stored before being started for use, so that the rotating cover limiting piece 301 needs to be pulled down when the reagent cup is loaded into a corresponding detection instrument; after the rotary cover 1 and the reagent kit 4 are connected with the reagent cup body 2, the sealed environment of the reagent kit 4 during reaction is realized by heat sealing, ultrasound, glue dispensing and other methods, so that aerosol pollution of PCR reaction is avoided; a pipettor guide column 307 is further arranged on the rotary cover 1, and the pipettor guide column 307 extends into the reagent cup body 2; a pipettor guide column 307 is arranged at one end, close to the reagent cup body 2, of the through hole of the injection pipettor 3 on the rotary cover 1, so that the injection pipettor 3 penetrates through the rotary cover 1 and then extends into the pipettor guide column 307, and the pipettor guide column 307 is used for orienting the pipettes of the injection pipettor 3, thereby ensuring that each reagent tube in the reagent kit 4 is accurately positioned, and the pipettes are accurately absorbed; the injection pipettor 3 is fixedly connected with the rotary cover 1 through a pipettor fixing member 308 and a pipettor sealing member 309; the pipette seal 309 may be made of rubber or silicone; the rotary cover 1 is also provided with a sample inlet 6, and one end of the sample inlet 6 close to the reagent cup body 2 is provided with a sample introduction guide column 601 extending into the reagent cup body 2; the sample introduction guide column 601 is used for orienting the sample introduction direction; the kit 4 is provided with 11 reagent tubes, and the kit is provided with 1 PCR tube 402; reagent isolation of 11 reagent tubes in the kit 4 is realized by sealing membranes, different reagents are filled in each reagent tube, wherein reaction freeze-dried powder is filled in the PCR tube 402, and the number of the reagent tubes can be freely increased or decreased according to product flux. In this embodiment, preferably 11 reagent tubes are a sample tube (without a sealing film at the tube opening), a reagent tube containing dry substances such as RNA carrier and protease K (with a sealing film at the tube opening), a lysis solution tube (containing lysis solution, with a sealing film at the tube opening), a magnetic particle tube (containing magnetic particles, with a sealing film at the tube opening), a washing solution A tube (containing washing solution A, with a sealing film at the tube opening), and a washing solution B tube (containing washing solution B, with a sealing film at the tube opening), a waste liquid washing pipe (a reagent pipe for containing waste liquid, and a pipe orifice of the waste liquid has no sealing film), a washing liquid I (a reagent pipe for sterile water, and a pipe orifice of the waste liquid has a sealing film), a washing liquid II (a reagent pipe for containing sterile water, and a pipe orifice of the waste liquid has a sealing film), an EB (Electron beam) liquid washing pipe (a reagent pipe for containing EB eluent, and a pipe orifice of the EB liquid washing pipe has a sealing film), and a liquid paraffin pipe (a reagent pipe for containing liquid paraffin, and a pipe orifice of the EB; a rotating cover positioning ring 102 is further arranged outside the rotating cover 1; the rotating cover positioning ring 102 is arranged outside the rotating cover 1 to play a role in fixing and limiting; a groove 202 is formed in one end, close to the reagent box 4, of the reagent cup body 2, a convex edge strip 401 is formed in one end, close to the reagent cup body 2, of the reagent box 4, and the groove 202 and the convex edge strip 401 are clamped with each other so that the reagent cup body 2 and the reagent box 4 are fixed and limited; the rotary cover is provided with 3 sealing rings 103, the sealing rings 103 are nested in the reagent cup body 2, and a corresponding structure matched with the sealing rings is arranged in the reagent cup body 2; the rotating cover limiting part 101 comprises a rotating cover limiting buckle 1011 and a rotating cover limiting cover 1012, the top of the rotating cover limiting cover 1012 extends outwards along the horizontal direction and is vertically extended to be provided with the rotating cover limiting buckle 1011, and the rotating cover limiting buckle 1011 is matched with the limiting part sliding groove 201 to be clamped and positioned; a pipette limiting clamping sleeve 304 is arranged on the outer side of the pipette fixing piece 303; the rotary cover limiting cover 1012 is mounted outside the injection pipettor 3 through the pipettor limiting sleeve 304 and is used for protecting the injection pipettor 3, namely protecting the injection pipettor 3 from being stored before being opened for use; the pipette 302 penetrates through the rotary cover and extends into the reagent cup body 2, and the sharp thorn part 303 is far away from or close to the reagent box 4 through movement; the pressing part 301 is positioned on one side of the rotary cover 1 away from the reagent cup body 2, and the pressing part 301 is positioned inside the rotary cover limiting cover 1012; such an arrangement further facilitates the protection of the syringe pipettor 3 from storage prior to unopened use; a pipe sleeve 305 is arranged at one end of the pipette 302 connected with the pressing part 301, a clamping plate 306 is further connected to the pipe sleeve 305, and the clamping plate 306 is clamped with the pipette limiting clamping sleeve 304; thereby better playing a role in positioning and protecting the injection pipettor 3; a sample adding plug 602 is arranged on the sample inlet 6; the PCR tube 402 is detachably connected with the kit through a PCR fixing bolt 4022 and a PCR fixing nut 4021; the PCR tube 402 is filled with reaction freeze-dried powder and then is connected to a PCR fixing bolt 4022 on the kit through a PCR fixing nut 4021; the universal PCR tube 402 is adopted, so that the cost is low.
The method for detecting the sample by using the sample processing and detecting integrated reagent cup with the active material transfer function specifically comprises the following steps of:
(1) opening the package of the integrated reagent cup, scanning the code to confirm information, and adding the sample to a sample inlet of the reagent cup;
(2) pulling down the rotating cover limiting part in the reagent cup in the step (1), putting the reagent cup into a detection instrument, and starting detection; the detection instrument controls the injection pipettor to move and controls the rotary cover to rotate;
(3) moving the injection pipettor into a sample to be detected, sucking the sample to be detected, adding the sample to be detected into RNAcarrier and protease K dry substances, and uniformly mixing to obtain a uniformly mixed substance;
(4) moving the injection pipettor into the uniform mixture, sucking the uniform mixture, adding the uniform mixture into a lysis solution, and uniformly mixing to obtain a lysis uniform mixture;
(5) moving the injection pipettor into the uniformly lysed substance to suck the uniformly lysed substance, and adding the uniformly lysed substance into magnetic particles to incubate and then adsorb the magnetic particles; the injection pipettor sucks waste liquid and moves the waste liquid into a waste liquid pipe;
(6) the injection pipettor moves into washing liquor and sucks the washing liquor, then the washing liquor is added into the sample to be detected in the step (5), the magnetic attraction is removed, then the sample is uniformly mixed and then is subjected to magnetic particle adsorption, and the injection pipettor sucks waste liquid again and moves into a waste liquid pipe;
(7) repeating the step (6) to obtain a cleaned sample;
(8) moving the injection pipettor into a washing liquid I for washing;
(9) moving the injection pipettor into an eluent EB (Electron beam) and absorbing the eluent EB, adding the eluent EB into the cleaned sample obtained in the step (7), and performing incubation and magnetic particle adsorption to obtain an eluted sample;
(10) moving the injection pipettor into a second washing liquid for washing;
(11) the injection pipettor sucks the eluted sample in the step (9), and the sample is moved into a PCR tube to be uniformly mixed with a built-in PCR reagent;
(12) the injection pipettor is moved into the liquid paraffin for uniform mixing, then the liquid paraffin mixture is sucked, and the liquid paraffin mixture is moved into a PCR tube, so that the sample is extracted, and the preparation of PCR reaction is carried out;
(13) the injection pipettor returns to an initial position;
(14) and carrying out PCR reaction, and detecting the fluorescent signal by the detection instrument to obtain a detection result.
The specific steps of the combined example 1 are as follows: (wherein, 11 reagent tubes in the kit 4 are respectively a No. 1 sample tube (no sealing film at the tube orifice), a No. 2 dry substance reagent tube (with a sealing film at the tube orifice), a No. 3 lysis solution tube (a reagent tube with lysis solution, a sealing film at the tube orifice), a No. 4 magnetic particle tube (a reagent tube with magnetic particles, a sealing film at the tube orifice), a No. 5 washing solution A tube (a reagent tube with washing solution A, a sealing film at the tube orifice), a No. 6 washing solution B tube (a reagent tube with washing solution B, a sealing film at the tube orifice), a No. 7 waste washing solution tube (a reagent tube with waste solution, a no sealing film at the tube orifice), a No. 8 washing solution I (a reagent tube with sterile water, a sealing film at the tube orifice), a No. 9 washing solution II (a reagent tube with sterile water, a sealing film at the tube orifice), a No. 10 EB elution solution tube (a reagent tube with paraffin eluent EB, a sealing film at the tube orifice), a No. 11 liquid paraffin wax tube, the pipe orifice is provided with a sealing film); 12# PCR tube 402 (containing PCR reaction reagent freeze-dried powder)
Opening the aluminum foil bag seal (2-8 ℃ storage or room temperature); scanning the two-dimensional code, confirming extracted information and the like; sucking 200 mu L of the test sample by using a pipette and adding the test sample to the sample inlet of the reagent cup;
1) connecting a kit 4 containing a sample to be detected with the reagent cup body 2; pulling down the rotating cover limiting part 101 in the connected reagent cup, putting the reagent cup into a detection instrument, and starting detection; the detection instrument controls the injection pipettor 3 to move and controls the rotary cover to rotate; (wherein the detecting instrument controls the up-and-down movement of the injection pipettor 3, the liquid absorption and drainage and the uniform mixing of the injection pipettor 3, the rotation of the rotary cover 1, and the detecting instrument is also provided with a pipe sleeve type temperature regulating device and a magnetic adsorption device of the PCR pipe 402);
2) the initial position of the injection pipettor 3 is at the position of the No. 7 waste liquid pipe, and the injection pipettor 3 ascends;
3) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the 1# sample tube hole;
4) the injection pipettor 3 in the reagent cup body 2 descends to suck 200 mu L of sample, and the injection pipettor 3 ascends;
5) the rotary cover on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the No. 2 dry substance reagent tube hole (containing dry substances such as RNA carrier, protease K and the like);
6) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal (double layers) on the 2# dry substance reagent tube hole, uniformly mixing for 10 times with the range of 200 mu L;
7) the injection pipettor 3 sucks 200 mu L of liquid, and the injection pipettor 3 ascends;
8) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the hole of the # 3 lysate tube (containing 300 microlitres of lysate);
9) descending the injection pipettor in the reagent cup body 2, puncturing the aluminum foil seal on the pore of the 3# lysate, and uniformly mixing for 10 times with a 200 mu L range;
10) the injection pipettor 3 sucks 500 mu L of liquid, and the injection pipettor 3 ascends;
11) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the 4# magnetic particle tube hole (containing 50 mu L of magnetic particles);
12) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal on the 4# magnetic particle tube hole, uniformly mixing for 10 times with a 200 mu L range;
13) incubating at 60 ℃ for 10 minutes, wherein an injection pipettor 3 is uniformly mixed for 10 times in the period of 200 mu L;
14) the magnetic adsorption device is attached to the No. 4 magnetic particle tube for 1 minute, so that the magnetic particles in the No. 4 magnetic particle tube are adsorbed;
15) sucking 500 mu L of liquid in the No. 4 magnetic particle tube by using an injection pipettor 3, and transferring the waste liquid into the No. 7 waste liquid tube;
16) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the pore of the No. 5 washing liquid A (containing 500 microlitres of washing liquid A);
17) the injection pipettor 3 in the reagent cup body 2 descends to puncture the aluminum foil seal on the pipe hole A of the No. 5 washing liquid;
18) the injection pipettor 3 sucks 500 mu L of liquid in the 5# washing liquid A tube, and the injection pipettor 3 ascends;
19) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the 4# magnetic particle tube hole (containing the adsorbed magnetic particles);
20) the injection pipettor 3 in the reagent cup body 2 descends and penetrates through the aluminum foil seal (broken) on the 4# magnetic particle tube hole;
21) the magnetic adsorption device is removed, mixed evenly for 10 times, and the range of 200 mu L is measured;
22) the magnetic adsorption device is attached to the No. 4 magnetic particle tube for 1 minute, so that the magnetic particles in the No. 4 magnetic particle tube are adsorbed;
23) taking 500 mu L of liquid in the No. 4 magnetic particle tube by using an injection pipettor 3, and moving the waste liquid into the hole of the No. 7 waste liquid tube;
24) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the hole of the No. 6 washing liquid B (containing 1000 microlitres of washing liquid B);
25) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal on the pore of the No. 6 washing liquid B, and uniformly mixing for 3 times with the range of 200 mu L;
26) the injection pipettor 3 sucks 500 mu L of liquid in the 6# washing liquid B tube, and the injection pipettor 3 ascends;
27) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the 4# magnetic particle tube hole (containing the adsorbed magnetic particles);
28) the injection pipettor 3 in the reagent cup body 2 descends and penetrates through the aluminum foil seal (broken) on the 4# magnetic particle tube hole;
29) the magnetic adsorption device is removed, mixed evenly for 10 times, and the range of 200 mu L is measured;
30) the magnetic adsorption device is attached to the No. 4 magnetic particle tube for 1 minute, so that the magnetic particles in the No. 4 magnetic particle tube are adsorbed;
31) taking 500 mu L of liquid in the No. 4 magnetic particle tube by using an injection pipettor 3, and moving the waste liquid into the hole of the No. 7 waste liquid tube;
32) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to a hole of 8# washing liquid (containing 1000 microlitre of washing liquid);
33) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal on the hole I of the No. 8 washing liquid, uniformly mixing for 10 times, measuring the range of 500 mu L, and ascending the injection pipettor 3;
34) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to a 10# EB eluent tube hole (containing 150 mu L of eluent EB);
35) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal on the pore of the 10# EB eluent tube, and uniformly mixing for 3 times with the range of 200 mu L;
36) the injection pipettor 3 sucks 70 mu L of liquid in the 10# EB eluent tube, and the injection pipettor 3 ascends;
37) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the 4# magnetic particle tube hole (containing the adsorbed magnetic particles);
38) the injection pipettor 3 in the reagent cup body 2 descends and penetrates through the aluminum foil seal (broken) on the 4# magnetic particle tube hole;
39) mixing for 10 times, and measuring range of 50 μ L;
40) incubating at 55 ℃ for 5 minutes, wherein an injection pipettor 3 gently mixes uniformly for 2 times in the period of 50 mu L range;
41) the magnetic adsorption device is attached to the No. 4 magnetic particle tube for 1 minute, so that the magnetic particles in the No. 4 magnetic particle tube are adsorbed;
42) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the second hole of the No. 9 washing liquid (containing 1000 microlitre of washing liquid);
43) descending the injection pipettor 3 in the reagent cup body 2, passing through the aluminum foil seal (broken) on the second hole of the No. 9 washing liquid, uniformly mixing for 10 times, wherein the range of 500 mu L is that the injection pipettor 3 ascends;
44) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the hole of the No. 4 magnetic particle tube (containing 70 microlitres of eluted sample);
45) the injection pipettor 3 in the reagent cup body 2 descends and penetrates through the aluminum foil seal on the 4# magnetic particle tube hole (broken;
46) the injection pipettor sucks 50 μ L of liquid (eluted sample) in the 4# magnetic particle tube, and the injection pipettor 3 ascends;
47) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the hole 402 (containing the PCR reagent freeze-dried powder) of the 12# PCR tube;
48) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal on the 402 holes of the 12# PCR tube, uniformly mixing for 10 times, measuring the range of 50 mu L, and ascending the injection pipettor 3;
49) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the 11# liquid paraffin pipe hole (containing 200 mu L of liquid paraffin);
50) descending the injection pipettor 3 in the reagent cup body 2, puncturing the aluminum foil seal on the 11# liquid paraffin pipe hole, and uniformly mixing for 3 times with a range of 100 mu L;
51) the injection pipettor 3 sucks 100 mu L of liquid in the 11# liquid paraffin pipe, and the injection pipettor 3 ascends;
52) the rotary cover 1 on the reagent cup body 2 rotates to drive the injection pipettor 3 to rotate, so that the injection pipettor 3 is aligned to the hole 402 of the 12# PCR tube (containing 50 microliter of reagents required by PCR reaction);
53) the injection pipettor 3 in the reagent cup body 2 descends and penetrates through the aluminum foil seal (broken) on the hole 402 of the 12# PCR tube;
54) dripping 100 mu L of paraffin into the No. 12 PCR tube 402 to finish sample extraction and PCR reaction preparation;
55) the injection pipettor 3 returns to the initial position;
56) and carrying out PCR reaction, and detecting the fluorescent signal by a detection instrument to obtain a detection result.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be appreciated by persons skilled in the art that the present invention is not limited by the embodiments described above, which are only illustrative of the principles of the present invention, but that various changes and modifications, such as changes in the size of the reagent cups or the shape or sequence of the reagent vessels in the reagent kit or other minor adjustments, may be made without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (19)
1. A sample treatment and detection integrated reagent cup with an active material transfer function is characterized by comprising a rotary cover, a reagent cup body and an injection pipettor, wherein one end of the reagent cup body is connected with the rotary cover, and the other end of the reagent cup body is connected with a reagent kit; the injection pipettor penetrates through the rotary cover and the reagent cup body, and the bottom of the injection pipettor is far away from or close to the reagent box through movement.
2. The integrated sample processing and testing reagent cup with active material transfer function of claim 1, wherein said rotary lid is rotatably connected to said reagent cup body.
3. The integrated reagent cup with the active material transfer function for sample processing and detection according to claim 2, wherein the injection pipettor comprises a pressing part, a pipette and a sharp-pointed part, one end of the pressing part is connected to the inside of the pipette and is in piston connection with the pipette; the spine part is connected to one end of the pipette far away from the pressing part; the spine part is of a hollow structure.
4. The integrated reagent cup with active material transfer function for sample processing and detection as claimed in claim 2, wherein the rotary cover further comprises a positioning driving groove for connecting with an external device to control the rotary cover to rotate relative to the reagent cup body.
5. The integrated reagent cup with active material transfer function for sample processing and detection according to claim 3, wherein a rotation cap limiting member is disposed outside the syringe pipettor, a limiting member sliding groove is disposed on the reagent cup body, and the rotation cap limiting member and the limiting member sliding groove cooperate to achieve a limiting effect.
6. The sample processing and detecting integrated reagent cup with the active material transfer function according to claim 3, wherein a pipettor guide column is further disposed on the rotary cover and extends into the interior of the reagent cup body.
7. The integrated reagent cup with active material transfer function for sample processing and detection according to claim 3, wherein the injection pipettor is fixedly connected with the rotary cover through a pipettor fixing member and a pipettor sealing member.
8. The integrated reagent cup with the active material transfer function for sample processing and detection as claimed in claim 3, wherein a sample inlet is further provided on the rotary cover, and a sample introduction guide pillar extending into the reagent cup body is provided at one end of the sample inlet close to the reagent cup body.
9. The integrated reagent cup with active material transfer function for sample treatment and detection as claimed in claim 3, wherein the reagent kit is provided with a plurality of reagent tubes, and the reagent kit is provided with at least one PCR tube.
10. The integrated reagent cup with active material transfer function for sample processing and detection as claimed in claim 3, wherein a positioning ring of the rotary cover is further provided on the outer portion of the rotary cover.
11. The integrated reagent cup with the active material transfer function for sample processing and detection as claimed in claim 5, wherein a groove is formed at one end of the reagent cup body close to the reagent box, a convex edge strip is formed at one end of the reagent box close to the reagent cup body, and the groove and the convex edge strip are engaged with each other to realize the fixed limit of the reagent cup body and the reagent box.
12. The integrated reagent cup with active material transfer function for sample processing and detection according to claim 5, wherein the rotary cover is provided with at least one sealing ring, the sealing ring is nested in the reagent cup body, and the reagent cup body is provided with a corresponding structure matched with the sealing ring.
13. The integrated reagent cup with active material transfer function for sample processing and detection as claimed in claim 5, wherein the rotation cap limiting member comprises a rotation cap limiting buckle and a rotation cap limiting cover, the rotation cap limiting buckle is disposed on the top of the rotation cap limiting cover extending horizontally and vertically, and the rotation cap limiting buckle is engaged with the limiting member sliding groove for locking and positioning.
14. The sample processing and detecting integrated reagent cup with the active material transfer function according to claim 7, wherein a pipette limiting sleeve is arranged on the outer side of the pipette fixing member.
15. The integrated reagent cup with active material transfer function for sample treatment and detection as claimed in claim 8, wherein a sample plug is disposed on the sample inlet.
16. The integrated reagent cup with active material transfer function for sample treatment and detection as claimed in claim 9, wherein the PCR tube is detachably connected to the reagent kit through a PCR fixing bolt and a PCR fixing nut.
17. The integrated reagent cup with active material transfer function for sample processing and detection of claim 13, wherein the pipette extends into the reagent cup through the rotary cap, and the sharp point part is moved away from or close to the reagent box; the pressing part is located on one side, far away from the reagent cup body, of the rotary cover, and the pressing part is located inside the rotary cover limiting cover.
18. The integrated reagent cup with sample processing and detection function and active material transfer function of claim 14, wherein the pipette is provided with a sleeve at one end connected with the pressing part, the sleeve is further connected with a clamping plate, and the clamping plate is clamped with the pipette limit sleeve.
19. A method for detecting a sample by using a sample processing and detecting integrated reagent cup with an active material transfer function is characterized by comprising the following steps:
(1) opening the package of the integrated reagent cup, scanning the code to confirm information, and adding the sample to a sample inlet of the reagent cup;
(2) pulling down the rotating cover limiting part in the reagent cup in the step (1), putting the reagent cup into a detection instrument, and starting detection; the detection instrument controls the injection pipettor to move, suck and discharge liquid and controls the rotary cover to rotate;
(3) moving the injection pipettor into a sample to be detected, sucking the sample to be detected, adding the sample to be detected into RNAcarrier and protease K dry substances, and uniformly mixing to obtain a uniformly mixed substance;
(4) moving the injection pipettor into the uniform mixture, sucking the uniform mixture, adding the uniform mixture into a lysis solution, and uniformly mixing to obtain a lysis uniform mixture;
(5) moving the injection pipettor into the uniformly lysed substance to suck the uniformly lysed substance, and adding the uniformly lysed substance into magnetic particles to incubate and then adsorb the magnetic particles; the injection pipettor sucks waste liquid and moves the waste liquid into a waste liquid pipe;
(6) the injection pipettor moves into washing liquor and sucks the washing liquor, then the washing liquor is added into the sample to be detected in the step (5), the magnetic attraction is removed, then the sample is uniformly mixed and then is subjected to magnetic particle adsorption, and the injection pipettor sucks waste liquid again and moves into a waste liquid pipe;
(7) repeating the step (6) to obtain a cleaned sample;
(8) moving the injection pipettor into a washing liquid I for washing;
(9) moving the injection pipettor into an eluent EB (Electron beam) and absorbing the eluent EB, adding the eluent EB into the cleaned sample obtained in the step (7), and performing incubation and magnetic particle adsorption to obtain an eluted sample;
(10) moving the injection pipettor into a second washing liquid for washing;
(11) the injection pipettor sucks the eluted sample in the step (9), and the sample is moved into a PCR tube to be uniformly mixed with a built-in PCR reagent;
(12) the injection pipettor is moved into the liquid paraffin for uniform mixing, then the liquid paraffin mixture is sucked, and the liquid paraffin mixture is moved into a PCR tube, so that the sample is extracted, and the preparation of PCR reaction is carried out;
(13) the injection pipettor returns to an initial position;
(14) and carrying out PCR reaction, and detecting the fluorescent signal by the detection instrument to obtain a detection result.
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| CN201910934695.3A CN111733066A (en) | 2019-09-29 | 2019-09-29 | Integrated reagent cup for sample treatment and detection and method for detecting sample |
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| CN201910934695.3A CN111733066A (en) | 2019-09-29 | 2019-09-29 | Integrated reagent cup for sample treatment and detection and method for detecting sample |
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| WO2021254518A1 (en) * | 2020-06-19 | 2021-12-23 | 中国疾病预防控制中心病毒病预防控制所 | Sample treatment and testing apparatus |
| CN114836308A (en) * | 2022-03-13 | 2022-08-02 | 首玺(广州)医疗科技有限责任公司 | Nucleic acid detection kit and preparation process thereof |
| CN116042378A (en) * | 2023-03-29 | 2023-05-02 | 哈尔滨瀚邦医疗科技有限公司 | Streptococcus suis type 2 virulence gene detection kit and detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021254518A1 (en) * | 2020-06-19 | 2021-12-23 | 中国疾病预防控制中心病毒病预防控制所 | Sample treatment and testing apparatus |
| CN112575090A (en) * | 2021-02-05 | 2021-03-30 | 济南千麦医学检验有限公司 | PCR reaction kit for detecting BRCA gene mutation |
| CN114836308A (en) * | 2022-03-13 | 2022-08-02 | 首玺(广州)医疗科技有限责任公司 | Nucleic acid detection kit and preparation process thereof |
| CN116042378A (en) * | 2023-03-29 | 2023-05-02 | 哈尔滨瀚邦医疗科技有限公司 | Streptococcus suis type 2 virulence gene detection kit and detection method thereof |
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