WO2017162151A1 - 一种全自动处理生物载片样品的装置和方法 - Google Patents
一种全自动处理生物载片样品的装置和方法 Download PDFInfo
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- WO2017162151A1 WO2017162151A1 PCT/CN2017/077573 CN2017077573W WO2017162151A1 WO 2017162151 A1 WO2017162151 A1 WO 2017162151A1 CN 2017077573 W CN2017077573 W CN 2017077573W WO 2017162151 A1 WO2017162151 A1 WO 2017162151A1
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- slide
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- controller
- heating
- container
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 112
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 57
- 238000012545 processing Methods 0.000 claims description 41
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000009835 boiling Methods 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
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- 238000002474 experimental method Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 13
- 108090000623 proteins and genes Proteins 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000012472 biological sample Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002334 Spandex Polymers 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000005063 solubilization Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
- G01N1/312—Apparatus therefor for samples mounted on planar substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
- B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1002—Reagent dispensers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
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- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0822—Slides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1838—Means for temperature control using fluid heat transfer medium
- B01L2300/185—Means for temperature control using fluid heat transfer medium using a liquid as fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1888—Pipettes or dispensers with temperature control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/52—Supports specially adapted for flat sample carriers, e.g. for plates, slides, chips
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
- G01N2001/317—Apparatus therefor spraying liquids onto surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
- G01N2035/00039—Transport arrangements specific to flat sample substrates, e.g. pusher blade
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
- G01N2035/00099—Characterised by type of test elements
- G01N2035/00138—Slides
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N2035/00346—Heating or cooling arrangements
- G01N2035/00356—Holding samples at elevated temperature (incubation)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
- G01N2035/00742—Type of codes
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N2035/1027—General features of the devices
- G01N2035/1034—Transferring microquantities of liquid
- G01N2035/1039—Micropipettes, e.g. microcapillary tubes
Definitions
- the invention belongs to the field of biological sample processing, and in particular relates to a device and a method for fully processing a biological slide sample.
- Protein or gene detection on slide specimens requires dozens of complicated steps. Various factors of environmental and human manipulation differences will affect the accuracy and repeat of test results. Sex. Improving the accuracy, repeatability and efficiency of specimen testing has become a top priority.
- the operation of common instruments the reagents are sprayed from the top of the slide to the slide, the position of the sample can not ensure the complete coverage of the specimen, and the open incubation after the addition of the reagent is also easy to cause the loss of the reagent and the problem of the volatile dry sheet. .
- Most of the specimens require heat treatment during the processing, which is a necessary step to restore the antigen or pathogen characteristic protein to its original shape, and is also a necessary step for gene solubilization and tissue hydration in gene detection. Heating is generally carried out at 80-121 ° C for 3 to 60 minutes.
- the devices currently handled by hand-operated slide specimens do not have heat or heat resistance.
- the specimen specimen In the middle of the processing of the specimen specimen, the specimen specimen needs to be transferred to a heatable container, and then needs to be transferred to a normal temperature operating table, which increases the complexity of the operation flow and the operation error.
- the automatic instruments with heating function are sprayed and sampled, and then each specimen is baked and heated independently, which is extremely easy to cause the reagent to be evaporated and unevenly heated.
- the reagent is injected from the top of the slide, and the position of the sample cannot be ensured to be the position of the specimen, causing the specimen to be falsely negative without being covered by the reagent.
- Heat treatment is required during most specimen processing, which is a necessary step to improve the specificity and sensitivity of the specimen specimen. Heating needs at 80oC The above temperature is maintained for 3-60 minutes. Commonly used methods are autoclave cooking, general boiling or hot liquid warm bathing. However, the heating on the instrument is currently performed in a baked form, and the volatilization of the reagent and the generation of bubbles are difficult to control. Several major manufacturers in the field, such as the instrument of Ventana, use the oil film covering method (add a layer of silicone oil after adding the reagent) to reduce the volatilization. However, silicone oil coverage is difficult to achieve uniformity of each slide, and subsequent special cleaning is required to wash off the silicone oil.
- Lycra's instrument uses a plastic cover sheet to cover the reagent to prevent evaporation, but because the specimen specimen is square, bubbles accumulate between the specimen and the plastic cover during heating, causing uneven heating and local accumulation of bubbles. Local dryness problems and background problems caused by incomplete cleaning caused by local bubble accumulation. Other producers, such as Dako, Biocare, Biogenex, etc., use milder temperatures (typically at 90-97oC) to prevent bubbles, volatilization and drying caused by boiling. This method has prolonged the time and still cannot completely solve the fundamental problem of bubbles and volatilization.
- Patent CN102770746A discloses an automated dyeing apparatus for treating at least one biological sample placed on a slide, the apparatus comprising: at least one capillary-action dyeing assembly comprising: a detachably supported slide carrier a sheet support, the slide holder is configured to Supporting one or more slides, and a capillary cover support detachably configured to detachably support the capillary cover bracket, the capillary cover bracket being configured to support one or more capillary covers, wherein the slide carrier can be removed Independent of capillary cover a removal of the stent; and a first fluid container containing the first fluid, wherein the automated staining device is configured to automatically: control the slide holder support to rotate the one or more slides from the insertion position to one or more Tilting position and controlling the capillary cover support to move one or more capillary covers toward the one or more slides to automatically form a capillary gap between each slide and each capillary cover, said capillary gap As hair a thin chamber; and automatically feeding a quantity of
- This patent document overcomes the disadvantages of having a complex mechanism for processing only one slide at a time.
- the cover with a small gap allows the liquid (or reagent) to be in the small gap of the cover, with the angle of the cover flipped, leaving a small gap in the middle of the cover.
- the specimen will not be attached (touched) to the specimen when it is turned over.
- the patent cannot be processed in large quantities, and since the structure needs to turn the slide and the cover sheet to reduce the efficiency and affect the treatment effect, the cover sheet is only covered after the specimen is processed to a certain stage, and the cover sheet is moved.
- the cover sheet When it is necessary to flow or discharge the liquid into the next reagent, the cover sheet needs to be turned upside down, and the cover surface does not have the function of allowing the liquid to pass freely; the cover sheet needs to be turned upside down, which makes the next step of adding the reagent inconvenient; Failure to cover the slides at all times is not conducive to the treatment effect.
- the present invention proposes an automated apparatus and method for processing a biological slide specimen, which can process a large number of slide specimens more efficiently and reliably.
- the object of the invention is achieved at least by one of the following technical solutions.
- a device for automatically processing a sample of a biological slide comprising a detection component, a base, a Z-arm, an X-arm, a Y-arm, a loading needle, a reagent scanner capable of recognizing a barcode and a two-dimensional code, and capable of recognizing a barcode and a two-dimensional a coded specimen scanner;
- XYZ corresponds to the coordinate axis of the space rectangular coordinate system;
- the detecting component comprises a container, a base, a heating device, a liquid inlet, a liquid discharge port, a controller, a thermocouple, a slide, a slide cover and a slide holder; the controller controls the start and stop of the heating device; the heating device is located at the base Above and below the container; the container is used to place the heating medium and more than one slide holder; the thermocouple is placed in the container, the thermocouple senses the temperature in the container in real time, and transmits the sensing data to the controller, and the controller according to the sensing data Adjusting an output of the heating power; the reagent scanner and the slide specimen scanner are both connected to the controller to transmit the scan result to the controller;
- the slide cover and the carrier cooperate to form a set of slide assemblies for specimen processing; the two ends of the slide support are hung on opposite sides of the container, so that the slide assembly in the slide support a gap is left between the bottom end and the bottom of the container; the slide holder is provided with an integrally formed vertical or inclined plurality of V-shaped slots, and a spring piece is fixedly disposed in each V-shaped slot;
- the mounting slots are closely arranged in a row, the carrier bracket comprises one or more columns of V-shaped slots; the carrier assembly is inserted along the V-shaped slot of the carrier bracket, and the surface of the carrier cover plate presses the plate spring The spring pressure is applied to the slide assembly to achieve the pressing action; the two ends of the slide holder are hung on the opposite sides of the container, so that the bottom end of the slide assembly in the slide holder has a gap with the bottom of the container. ;
- the Z arm is vertically fixed on the base; the X arm is mounted on the Z arm, and the Z arm is provided with a step control mechanism for controlling the X arm to move up and down along the Z arm; the Y arm is mounted on the X arm, on the X arm a step control mechanism for controlling the Y arm to move left and right along the X arm;
- the Y arm is mounted with a sampling needle or a plurality of sampling needles to form a loading needle set; the Y arm is provided with a step control mechanism, which can drive the loading needle group to move along the Y arm under the control of the controller; A spacing adjustment mechanism is also provided on the arm to adjust the spacing between the syringes of the loading needle set under the control of the controller.
- the needle Under the control of the step control mechanism, the needle can be moved up and down to adjust the height of the needle, that is, the distance from the base; the needle can automatically move to the loading of the slide assembly under the control of the step control mechanism. Above the slot.
- sample needle is connected with a sample loading micropump through a pipeline; the volume and number of sampling and stakeout are controlled under the control of the sample pumping controller, and the amount of each reagent is controlled and the reagent is taken once. Adding and taking a reagent is added to multiple specimens several times.
- the number of detection components 1 is one or more, and the plurality of detection components 1 are placed in parallel on the base, and can be used to simultaneously process a larger number of slide specimens or to process a specimen specimen requiring different operational procedures.
- the step control mechanism is a screw mechanism driven by a stepping motor or a belt transmission mechanism driven by a stepping motor.
- the processing device further includes an liquid inlet control member connected to the liquid inlet and a liquid discharge control member connected to the liquid discharge port, and the liquid inlet control member and the liquid discharge control member are implemented by using a micro pump or a solenoid valve; Or the electronic valve is controlled by the controller to realize quantitative filling and draining; the controller is connected with the host and receives the command of the host.
- the cover plate includes a capillary plane, a depth positioning surface, a width positioning block, a bottom positioning block, a groove side surface and a slot opening surface; the two sides of the capillary plane are disposed opposite to each other on opposite sides a positioning surface, the capillary plane is parallel to the depth positioning surface; the portion of the slide near the two side edges is in contact with the depth positioning surface, so that a capillary gap is formed between the surface of the carrier and the capillary plane; each depth positioning surface One or more of the width positioning blocks are disposed away from the outer edge of the capillary plane; the vertical distance between the width positioning blocks located on different depth positioning surfaces matches the width of the slide to serve as a limit; the bottom positioning block is disposed at a bottom end of the depth positioning surface; the groove opening surface is connected with the upper end of the capillary plane and forms an angle A1, A1 is a plane angle of 1 to 175 degrees; a groove side is connected to each side of the slot opening surface; And the side faces of the two grooves and
- the label slot provides sufficient space for accommodating the thickness of the label.
- the slide cover can be closely attached to the slide without being affected by the label on the slide; the outer side of the two groove sides is provided with a top strip for increasing the friction between the side of the groove and the finger; the capillary plane and The vertical distance between the depth positioning faces is 0.01 ⁇ 0.5mm, so that a capillary gap with a spacing of 0.01 ⁇ 0.5mm is formed between the surface of the carrier and the capillary plane after the carrier cover and the carrier are in close contact; the width positioning block The height of the depth positioning surface is 0.1 ⁇ 1mm; the bottom positioning block is an upward hook shape, and the bottom positioning block and the width positioning block together determine the relative position of the cover and the carrier after bonding and assist in maintaining the cover and the carrier. Close fit.
- the slide assembly is inserted into the V-shaped slot and placed obliquely or upright, and the angle between the slide assembly and the vertical direction is 1 to 90 degrees.
- the heating device adopts electric heating rod heating, electric heating wire heating, microwave heating, electromagnetic induction heating or heat medium circulation (hot liquid warm bath) heating mode; the heating device and the container are a connected structure or a separable structure.
- the shape of the upper end of the carrier assembly combined with the carrier and the cover plate is matched with the V-shaped slot on the bracket, so that the carrier assembly can be inserted into the V-shaped slot on the carrier bracket to form a plurality of tight
- the arranged slide assembly; the spring piece and the V-shaped slot of the slide holder are integrally connected or independently separated, and the spring piece is fixed or fixed in the V-shaped slot when the separation is independent. .
- the biological specimen is heat-treated, the slide assembly in the slide holder is performed in a heat medium immersed or inserted into the container, instead of dropping the reagent onto the slide specimen and then baking; the plurality of slides are The specimens are immersed in the same container and the temperature is controlled by the controller for integrated heat treatment, instead of separate heating and independent temperature control for each specimen.
- the relative position of the slide assembly and the slide during the processing of the slide assembly is fixed from start to finish and does not need to be separated.
- the heating medium in the container can be heated to boiling to control the heat treatment temperature, so that the heat treatment has uniformity, reliability and repeatability.
- the holding time of the container in the container is required to be kept after the boiling time is T2; when the heating is started, the controller sets the heating power to K1 for rapid heating; during the heating process, the thermocouple feeds back the solution temperature at any time; when the temperature reaches the boiling point The controller sets the heating power to K2, keeps the temperature boiling, and starts the timing at the same time, and pauses the heating when the timing reaches T2.
- thermocouple After the heating of the container is verified by the test, it is only necessary to set the heating time to the boiling time T1 and the holding time T2, and the heating time and power need not be adjusted by the feedback of the thermocouple.
- the controller automatically controls the liquid inlet micropump and the liquid discharge micropump to fill and drain the container; when the heat treatment of the slide specimen requires heat treatment, the liquid inlet micropump fills the container to cook the specimen. Cooking and heating; after the heat treatment, the liquid discharging micro pump pumps out the heating liquid or extracts the waste liquid generated during the processing of the specimen specimen.
- the new reagent enters the gap from the sample introduction tank, and the original reagent in the gap flows out from the slit port at the bottom of the slide assembly, and is automatically replaced; the reagent of the previous step does not need to be removed and drained before the new reagent is added. Dry operation.
- the present invention has the following advantages and technical effects:
- the slide cover of the present invention When the slide cover of the present invention is combined with the slide, a fine gap is formed between the slide assembly, so that the sample loading reagent fills the gap by gravity and capillary siphoning, and the reagent can be obtained as long as the sliced specimen is within the range covered by the slit. Coverage.
- the traditional method of dropping the reagent onto the specimen is easy to cause uneven coverage of the reagent.
- the slide assembly combined with the slide cover of the present invention and the slide assembly are placed in any manner, and the reagents in the slit are not drained, thereby ensuring that the slide specimen is covered with the reagent at all times.
- the detecting assembly of the slide assembly, the slide holder and the container of the present invention are all made of a heat-resistant material and are provided with a continuous or separate heating device, so that the slide can be kept in place from the beginning to the end during the processing of the slide. Heating without transferring the slides in the middle.
- the slide assembly of the present invention can be immersed in a hot solution or immersed in the bottom of the slide assembly in a heat medium for immersion heating, and the solution in the gap will be inhaled from the gap at the bottom even if it is volatilized, and is automatically replenished.
- Other instruments use a dropping reagent on the slide and then perform baking heating, which easily causes problems of volatilization and dry film.
- a plurality of slide specimens are immersed in the same container for integrated heating, and the temperature is controlled by a single temperature controller, instead of separate heating and independent temperature control of each slide specimen. Reduce the difference in heat treatment between the specimens and improve the repeatability of the specimen specimen processing.
- specimens of the present invention are closely inserted into the slots in an array of upright or inclined angles in multiple rows and columns to form an array structure, which greatly saves space.
- a plurality of loading pins can be mounted on the Y arm to form a loading needle set.
- the sample needle of the invention can slide on the Y axis, and can adjust the distance between the sample needles to determine the sampling and sample loading position; the sample needle can also slide up and down on the Y axis to adjust the required sampling and loading. the height of. Achieve accurate, flexible sampling and stakeout.
- the detection component of the invention is provided with a device for automatically filling and draining the micropump, thereby realizing automatic control of rapid filling and arranging during the processing of the slide.
- the apparatus and method for fully automated processing of a biological slide sample according to the present invention is characterized in that the processing of the slide specimen can be performed with high throughput, rapid, reliable and fully automatic.
- the V-shaped slot structure is simpler and less costly, and cooperates with the structure of the slide assembly.
- the V-shaped slot cooperates with the structure of the slide assembly, so that the container can accommodate more slide components, and the clip assembly can be easily inserted by simply holding the top stripe portion and the slide on the sides of the two slots with fingers.
- the slide is released from the slide cover, ensuring the formation and accuracy of the capillary gap, and the operation is more convenient and quick.
- the arrangement of the slide components can be more compact, further reducing the space and improving the processing efficiency.
- the identification and positioning of the reagent and the specimen specimen type are transmitted to the controller through the scanner to identify the barcode or the two-dimensional code on the corresponding label, and guide the reagent sampling and the corresponding instruction of the sample loading.
- FIG. 1 is a schematic view showing the structure of a device for automatically processing a biological slide sample of the present invention.
- Figure 2 is a left side view of Figure 1.
- Figure 3 is a front elevational view of Figure 1.
- Figure 4a is a schematic diagram of the structure of the detection assembly in the example.
- Figure 4b is a view of Figure 4a with the slide carrier removed.
- Figure 5a is a cross-sectional view of the detection assembly in the example.
- Figure 5b is a view of Figure 5a with the slide carrier removed.
- Figure 6 is a schematic view of the slide cover of the example.
- Figure 7 is a schematic view of a slide assembly in which the slide cover of the example is mated with the slide.
- Figure 8a is a front elevational view of the slide assembly of Figure 7;
- Figure 8b is a cross-sectional view taken along line A-A of Figure 7;
- Figure 8c is an enlarged schematic view of a portion B of Figure 7.
- Figure 9 is a schematic view showing the structure of a slide holder in the example.
- Figure 10 is a schematic illustration of a slide carrier with multiple rows of slots in the example.
- Figure 11 is a schematic illustration of a slide carrier with a plurality of slide assemblies mounted therein.
- the apparatus for automatically processing a biological slide sample of the present example includes a detecting component 1, a base 2, a Z arm 3, an X arm 4, a Y arm 5, a loading needle 6, and the like. a reagent scanner for identifying a barcode and a two-dimensional code; and a slide specimen scanner capable of recognizing a barcode and a two-dimensional code; an XYZ corresponding coordinate axis of the space rectangular coordinate system;
- the detecting assembly 1 includes a container 301, a base 302, a heating device 303, a liquid inlet 308, a liquid discharge port 307, a controller 309, a thermocouple 312, a slide 101, a slide cover 601, and The sheet holder 602; the controller 309 controls the start and stop of the heating device; the heating device 303 is located above the base 302 and under the container 301; the container 301 is used for placing the heating medium and more than one slide holder 602; the thermocouple 312 is placed in the container The thermocouple 312 senses the temperature in the container 301 in real time and transmits the sensing data to the controller 309, which adjusts the output of the heating power based on the sensing data.
- the drain port 307 is connected to the drain pump 310 for discharging liquid from the container as necessary; the liquid inlet port 308 is connected to the feed water pump 311 for pouring liquid into the container as necessary.
- the apparatus further provides a heat treatment time (holding time) display module 314 for displaying the length of the heat treatment time; and a holding time adjustment key 315 for setting the length of the holding time.
- the reagent scanner and the slide specimen scanner are both connected to the controller, and the reagent scanner and the slide specimen scanner are both connected to the controller to transmit the scan result to the controller.
- the reagent scanner is mounted on the abutment on the lower left front of the base 2 to identify the type and location of the reagent.
- the slide specimen scanner is independently placed on the side of the base 2, and the slide sample can be manually moved and manually scanned for identifying the type and position of the slide specimen.
- the slide cover 601 and the slide 101 cooperate to form a set of slide assemblies for specimen processing; the two ends of the slide holder 602 are hung on the opposite sides of the container, so that The bottom end of the slide assembly in the sheet holder 602 has a gap with the bottom of the container; the slide holder 602 is provided with an integrally formed vertical or inclined plurality of V-shaped slots 604, each V-shaped slot
- the spring piece 603 is fixedly disposed in the 604; the plurality of V-shaped sockets are closely arranged in a row, the carrier bracket comprises a row of V-shaped slots or a plurality of rows of V-shaped slots 602b; and the carrier assembly is arranged along the slide bracket
- the V-shaped slot 604 is inserted, and the surface of the slide cover 601 presses the plate spring 603 to generate spring pressure to be applied to the slide assembly to achieve the pressing action; the two ends of the slide holder 602 are hung on the opposite sides of the container.
- a gap is left between the bottom end of the slide assembly in the carrier holder 602 and the bottom of the container.
- the slide assembly is inserted into the V-shaped slot and placed obliquely or upright, and the angle between the slide assembly and the vertical direction is 1 to 90 degrees.
- the Z arm 3 is vertically fixedly disposed on the base 2; the X arm 4 is mounted on the Z arm 3, and the Z arm is provided with a step control mechanism for controlling the X arm 4 to move up and down along the Z arm; the Y arm 5 is mounted on the X On the arm 4, a step control mechanism for controlling the Y arm 5 to move left and right along the X arm is provided on the X arm;
- the Y arm 5 is mounted with a sample pin 6 or a plurality of sample pins 6 to form a sample pin group; the Y arm 5 is provided with a step control mechanism capable of driving the sample pin group along the Y under the control of the controller.
- the arm moves; a spacing adjustment mechanism is also provided on the Y arm.
- the spacing adjustment mechanism is composed of a driving mechanism such as a servo motor, a stepping motor or a cylinder, and a working mechanism such as a screw nut mechanism or a link mechanism, and the driving mechanism can adjust the requirements according to the spacing under the control of the system controller.
- the movement of the working mechanism is driven to adjust the spacing between the needles of the loading needle set.
- the spacing between the needles of the syringe group can be adjusted under the control of the controller; under the control of the step control mechanism, the needle can be moved up and down to adjust the height of the needle, that is, the distance from the base;
- the needle 6 is automatically moved over the loading slot 102 of the slide assembly under the control of the step control mechanism.
- the sample needle 6 is connected with a sample loading micropump through a pipeline; the volume and number of sampling and lofting are controlled under the control of the micropump controller, the amount of each reagent is controlled, and the reagent is taken once and added. And taking a reagent once and adding it to multiple specimens several times.
- the number of detection assemblies 1 is one or more, and a plurality of detection assemblies 1 are placed in parallel on the base 2, which can be used to simultaneously process a larger number of slide specimens or to process a specimen specimen requiring different operational procedures.
- the step control mechanism is a screw mechanism driven by a stepping motor or a belt transmission mechanism driven by a stepping motor.
- the processing apparatus of the present example further includes an liquid inlet control member connected to the liquid inlet 308 and a liquid discharge control member connected to the liquid discharge port 307.
- the liquid inlet control member and the liquid discharge control member are realized by a micro pump or a solenoid valve; Or the electronic valve is controlled by the controller to realize quantitative filling and draining; the controller 309 is connected with the host (such as a computer) to receive the command of the host.
- the cover plate includes a capillary plane 901, a depth positioning surface 902, a width positioning block 903, a bottom positioning block 904, a groove side surface 906, and a slot opening surface 907; the capillary plane
- the two depth positioning surfaces 902 are disposed above the mutually opposite sides of the 901, and the capillary plane 901 is parallel to the depth positioning surface; the portion of the carrier that is close to the two side edges is attached to the depth positioning surface 902.
- a capillary slit is formed between the surface of the carrier and the capillary plane 901; one or more of the width positioning blocks 903 are disposed on the outer edge of each of the depth positioning surfaces 902 away from the capillary plane 901; and the width is located on the different depth positioning surfaces 902.
- the vertical distance between the positioning blocks 903 matches the width of the slide to serve as a limit; the bottom positioning block 904 is disposed at the bottom end of the depth positioning surface 902; the slot opening surface 907 is coupled to the upper end of the capillary plane 901 and forms The angle A1, A1 is a plane angle of 1 to 175 degrees; a groove side 906 is connected to each side of the slot opening surface 907; the slot opening surface 907 and the two slot side surfaces 906 together with the plane of the carrier form a capillary Slot-connected sample loading
- the groove has a slit opening at the bottom of the capillary slit; the length of the slide cover is equal to or equal to the length of the slide, and the side of the groove side 906 that fits the plane of the slide, that is, the upper end of the two depth positioning surfaces 902 is provided with a groove.
- the label slot 909 when the label is affixed to the carrier, the label slot provides sufficient space for accommodating the thickness of the label so that the slide cover can be attached to the slide without being affected by the label on the slide;
- the outer side of the groove side 906 is provided with a top strip 910 for increasing the friction between the side 906 of the groove and the finger;
- the vertical distance between the capillary plane 901 and the depth locating surface 902 is 0.01-0.5 mm, so that the slide cover and A capillary slit having a pitch of 0.01 to 0.5 mm is formed between the surface of the carrier and the capillary plane 901 after the carrier is attached;
- the width of the width positioning block 903 is 0.1 to 1 mm above the depth positioning surface 902; and the bottom positioning block 904 is In the upward hook shape, the bottom positioning block 904, together with the width positioning block 903, determines the relative position of the cover after the slide is attached and assists in maintaining a snug fit between the cover and the slide.
- the heating device 303 adopts electric heating rod heating, electric heating wire heating, microwave heating, electromagnetic induction heating or heat medium circulation heating mode; the heating device 303 and the container 301 are a connected structure or a separable structure.
- the controller adopts a controller such as a PIC single chip microcomputer, a 51 single chip microcomputer or a PLC controller, and controls the powering on and off of the relay through the controller, thereby realizing the start and stop of the heating function, realizing the access port and the row. Control of export opening and closing.
- the shape of the upper end of the slide assembly assembled by the carrier 101 and the cover 601 is matched with the V-shaped slot 604 on the bracket, so that the carrier assembly can be inserted into the V-shaped mount on the slide holder 602.
- the slot 603 a plurality of closely arranged slide assemblies are formed; the spring pieces 603 and the V-shaped slots 604 of the slide holder are integrally connected or independently separated, and the spring sheets are fitted or separated by separate separation.
- the bonding method is fixed in the V-shaped socket 604.
- each of the loading needles is independently controlled by the controller, but can cooperate with multiple reagents separately or simultaneously, or separate specimens of multiple slides.
- the slide contains at least one biological specimen.
- the biological specimen is heat-treated, the slide assembly in the slide stent is carried out in a heat medium immersed or inserted into the container instead of dropping the reagent onto the specimen.
- the baking is carried out; the specimens on the plurality of slides are immersed in the same container and the temperature is controlled by the controller, and the integrated heat treatment is performed instead of separately heating and independent temperature control of each specimen.
- the relative position of the slide assembly and the slide during the processing of the slide assembly is fixed from start to finish and does not need to be separated.
- the controller automatically controls the liquid inlet micropump and the liquid discharge micropump to fill and drain the container; when the heat treatment of the slide specimen requires heat treatment, the liquid inlet micropump fills the container to cook and heat the slide specimen; After the heat treatment, the liquid discharge micro pump draws out the heating liquid or extracts the waste liquid generated during the processing of the slide specimen.
- the heating medium in the container can be simply heated to boiling to control the heat treatment temperature, so that the heat treatment has uniformity, reliability and repeatability.
- the holding time of the liquid in the container 301 is required to be T2 after the boiling of the container; when the heating is started, the controller sets the heating power to K1 for rapid heating; during the heating process, the thermocouple 312 feeds back the solution temperature at any time; when the temperature reaches the boiling point, The controller sets the heating power to K2, keeps the temperature boiling, and starts the timing at the same time, and pauses the heating when the timing reaches T2.
- thermocouple As an example, after the test of the heating of the container, it is only necessary to set the heating time to the boiling time T1 and the holding time T2, and the heating time and power need not be adjusted by the feedback of the thermocouple.
- the new reagent When a new reagent is added, the new reagent enters the gap from the sample introduction tank, and the original reagent in the gap flows out from the slit port at the bottom of the slide assembly, and is automatically replaced; it is not necessary to remove and drain the reagent of the previous step before adding the new reagent.
- an N1 column carrier assembly is placed on the base, and each column is equidistantly placed with a distance D1; each column carrier is provided with N2 V-shaped slots 604 for inserting N2 slides.
- the distance between each V-shaped slot is D2; when the carrier assembly is inserted in the form of N1 column, an array structure of the carrier assembly of N2 row and N1 column is formed; the current Y arm 5 is set There are N3 syringes 6; N2 is a multiple of N3; the controller first sets the motion step of the Y arm 5 on the X arm 4 according to D1, and sets the motion step of the loading needle group on the Y arm 5 according to the value of D2*N3;
- the loading needle set is moved directly to the loading slot of the slide assembly to be loaded, and the micropump is turned on, the loading time is t1, and after the completion, the loading needle group is moved along the X arm by the distance D2*N3 to the next.
- a loading position until the loading of a column of detecting slide assemblies is completed; then, the Y arm is controlled to move along the X arm by a distance D1 to the next column of detecting components, and the needle is slid back along the Y arm by D2*N3* (N2 /N3-1) Go back to the beginning of the corresponding column carrier and continue to load.
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Abstract
Description
Claims (17)
- 一种全自动处理生物载片样品的装置,其特征在于包括检测组件(1)、基台(2)、Z臂(3)、X臂(4)、Y臂(5)、加样针(6)、能够识别条码及二维码的试剂扫描器和能够识别条码及二维码的载片标本扫描器;XYZ对应空间直角坐标系的坐标轴;检测组件(1)包括容器(301)、底座(302)、加热装置(303)、进液口(308)、排液口(307)、控制器(309)、热电偶(312)、载片(101)、载片盖板(601)和载片支架(602);控制器(309)控制加热装置的启动与停止;加热装置(303)位于底座(302)上方且位于容器(301)下方;容器(301)用于放置加热介质和一个以上的载片支架(602);热电偶(312)安置在容器内,热电偶(312)实时感应容器(301)中的温度,并将感应数据传递给控制器(309),控制器(309)根据感应数据调节加热功率的输出;所述试剂扫描器和载片标本扫描器均与所述控制器连接,将扫描结果传输给控制器;所述载片盖板(601)和载片(101)配合,组成一组用于标本处理的载片组件;载片支架(602)的两端挂在容器相互正对的两侧边上,使载片支架(602)中的载片组件底端与容器底部留有间隙;所述载片支架(602)上设置有一体形成的竖直或倾斜的多个V形安插槽(604),每个V形安插槽(604)中固定设置弹簧片(603);多个V形安插槽紧密排成一列,所述载片支架包括一列或多列V形安插槽;载片组件沿着载片支架的V形安插槽(604)***,载片盖板(601)的表面压制板型弹簧(603)产生弹簧压力施加在载片组件上以实现压紧作用;载片支架(602)的两端挂在容器相互正对的两侧边上,使载片支架(602)中的载片组件底端与容器底部留有间隙;Z臂(3)竖直固定设置在基台(2)上;X臂(4)安装在Z臂(3)上,Z臂上设有用于控制X臂(4)沿Z臂上下移动的步进控制机构;Y臂(5)安装在X臂(4)上,X臂上设有用于控制Y臂(5)沿X臂左右移动的步进控制机构;Y臂(5)上安装有一个加样针(6)或者多个加样针(6)形成加样针组;Y臂(5)上设置有步进控制机构,能在控制器的控制下驱动加样针组沿着Y臂移动;Y臂上还设置了间距调节机构,能在控制器的控制下调节加样针组各加样针之间的间距;在步进控制机构的控制下,加样针能上下移动以调节加样针的高度即与基台的距离;加样针(6)在步进控制机构的控制下能自动移动到载片组件的加样槽(102)上方。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于加样针(6)通过管路连接有加样微泵;加样微泵能控制器的控制下控制取样和放样的体积和次数、控制着每次试剂的加样量以及取一次试剂单次加完和取一次试剂分多次加到多个标本上。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于检测组件(1)的个数为一个或多个,多个检测组件(1)平行放置在基台(2)上。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于所述步进控制机构为步进电机驱动下的丝杆机构或步进电机驱动下的带传动机构。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于还包括与进液口(308)连接的进液控制部件和与排液口(307)连接的排液控制部件,进液控制部件和排液控制部件采用微泵或电磁阀实现;微泵或电子阀均由控制器控制,实现定量灌液和排液;控制器(309)与主机连接,接收主机的指令。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于:所述盖板包括毛细平面(901)、深度定位面(902)、宽度定位块(903)、底部定位块(904)、槽侧面(906)和槽开口面(907);所述毛细平面(901)的相互正对的两侧边上方设置有所述两个深度定位面(902),毛细平面(901)与深度定位面平行;所述载片的平面靠近两侧边缘的部分与深度定位面(902)贴合,使载片表面与毛细平面(901)之间形成一个毛细缝隙;每个深度定位面(902)上远离毛细平面(901)的外侧边缘设有一个以上的所述宽度定位块(903);位于不同深度定位面(902)上的宽度定位块(903)之间的垂直距离与载片的宽度匹配以起到限位作用;底部定位块(904)设置在深度定位面(902)的底端;所述槽开口面(907)与毛细平面(901)的上端连接并形成夹角A1,A1为1~175度平面角;槽开口面(907)两侧各连接有一个槽侧面(906);所述槽开口面(907)及两个槽侧面(906)与载片平面共同构成一个与所述毛细缝隙连通的加样槽,毛细缝隙底部具有缝隙口;载片盖板与载片的长度相当或相等,槽侧面(906)上与载片平面贴合的一侧即所述两个深度定位面(902)的上端均设有一个标签槽(909),当载片上贴有标签时,标签槽提供足够的空间用于容纳标签的厚度,使载片盖板能够与载片贴紧而不受载片上是否贴有标签的影响;两个槽侧面(906)的外侧设有顶部条纹(910),用于增加槽侧面(906)与手指之间的摩擦力;毛细平面(901)与深度定位面(902)之间的垂直距离为0.01~0.5mm,使载片盖板及载片贴紧之后载片表面与毛细平面(901)之间形成一个间距为0.01~0.5mm的毛细缝隙;所述宽度定位块(903)高出深度定位面(902)的厚度为0.1~1mm;底部定位块(904)为向上的钩状,底部定位块(904)与宽度定位块(903)一起确定盖板与载片贴合之后的相对位置并协助保持盖板和载片之间的紧密贴合。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于:载片组件***V形安插槽后呈倾斜或竖立摆放,载片组件与竖直方向之间的角度为1~90度。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于:所述加热装置(303)采用电热棒加热、电热丝加热、微波加热、电磁感应加热或热介质循环加热方式;所述加热装置(303)与容器(301)为连体结构或可分离式结构。
- 根据权利要求1所述的一种全自动处理生物载片样品的装置,其特征在于: 由载片(101)及盖板(601)组合成的载片组件上端的外形与支架上的V形安插槽(604)相匹配,使得载片组件能安插在载片支架(602)上的V形安插槽(603)里,形成多个紧密排列的载片组件;弹簧片(603)与载片支架的V形安插槽(604)为一体连接结构或者独立分离设置,采用独立分离设置时弹簧片板以嵌合或粘接方式固定在V形安插槽(604)内。
- 用于权利要求1~9任一项所述的一种全自动处理生物载片样品的装置的处理方法,其特征在于:所述试剂扫描器和载片标本扫描器均与所述控制器连接,将扫描结果传输给控制器,产生试剂加样的对应指令;每个加样针受控制器独立控制,但能协同对多个试剂单独或同时取样,或者对多个载片标本单独或同时加样;载片上至少含有一个生物标本,对生物标本进行热处理时,载片支架中的载片组件以浸泡或***容器的热介质中进行;多个载片上的标本浸泡在同一个容器内由控制器控制温度、进行一体化热处理。
- 根据权利要求10所述的处理方法,其特征在于:载片组件热处理时,能将容器内的加热介质加热至沸腾,达到控制热处理温度。
- 根据权利要求10所述的处理方法,其特征在于:假定检验过程中容器(301)中容液沸腾之后要求保温时间为T2;开始加热时,控制器设置加热功率为K1进行快速加热;在加热过程中,热电偶(312)随时反馈溶液温度;温度达到沸点时,控制器设定加热功率为K2,保持温和沸腾,并同时启动计时,在计时达到T2时暂停加热。
- 根据权利要求10所述的处理方法,其特征在于:对容器的加热为经过试验验证之后,只需设置加热到沸腾的时间T1和保温时间T2,无需通过热偶的反馈来调节加热的时间和功率。
- 据权利要求10所述的处理方法,其特征在于: 控制器自动控制进液微泵、排液微泵给容器灌液和排液;当载片标本处理中需要热处理时,进液微泵向容器中灌液以便对载片标本进行烹煮加热;在热处理之后,排液微泵将加热液抽出或将载片标本处理过程中产生的废液抽出。
- 根据权利要求10所述的处理方法,其特征在于:加新试剂时,新试剂从加样槽进入缝隙,缝隙中原有的试剂从载片组件底部的缝隙口流出,自动被替换;加新试剂之前无需将上一步的试剂进行清除、沥干操作。
- 根据权利要求10所述的处理方法,其特征在于:基台上放置有N1列载片组件,每列之间等距放置,距离为D1;每一列载片支架上设置有N2个V形安插槽(604)能安插N2个载片组件,每个V形安插槽之间的距离为D2;当载片组件以N1列的形式插放,形成一个N2排和N1列的载片组件阵列式结构;设当前Y臂(5)上设有N3个加样针(6); N2是N3的倍数;控制器首先根据D1设置了Y臂(5)在X臂(4)上的运动步长,根据D2*N3的数值设置了加样针组在Y臂(5)上的运动步长;假定某次加样需要的容积为M,加样微泵的流速为V1,则单次加样的时间为t1=M/V1,由控制器自动控制;当检测过程中需要加样时,制器控制加样针组移动到需要加样的载片组件的加样槽正上方,开启加样微泵,加样时间为t1,完成后控制加样针组沿着X臂移动距离D2*N3至下一个加样位置,直到完成一列检测载片组件的加样;接着,控制Y臂沿着X臂移动距离D1到下一列检测组件,加样针沿着Y臂反向滑动D2*N3*(N2/N3-1)即回到相应列载片组件的起点然后继续加样。
- 根据权利要求10所述的处理方法,其特征在于:假定进液微泵的流速为V2,排液微泵的流速为V3,容器的长度为L、宽度为W;在一个操作过程中,需要在容器中增加溶液的深度为H,则能在控制器中设定新增溶液深度的数值为H,此时控制器自动计算进液微泵(311)的运行时间T3=L*W*H/V2;当需要将上述H深度的溶液排出容器时,则有控制器自动控制排液微泵(310)的工作时间为T3+Δt,Δt是一个设定的时间余量,其目的是确保容器中的液体可以排出干净。
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