WO2017128806A1 - 全自动荧光定量免疫分析仪及检测方法 - Google Patents

全自动荧光定量免疫分析仪及检测方法 Download PDF

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Publication number
WO2017128806A1
WO2017128806A1 PCT/CN2016/105090 CN2016105090W WO2017128806A1 WO 2017128806 A1 WO2017128806 A1 WO 2017128806A1 CN 2016105090 W CN2016105090 W CN 2016105090W WO 2017128806 A1 WO2017128806 A1 WO 2017128806A1
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WIPO (PCT)
Prior art keywords
sample
reagent card
sampling
driving
card
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PCT/CN2016/105090
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English (en)
French (fr)
Inventor
姚福立
唐灿
罗宏
王继华
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广州万孚生物技术股份有限公司
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Publication of WO2017128806A1 publication Critical patent/WO2017128806A1/zh

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/02Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations

Definitions

  • the invention relates to the field of detection technology, in particular to a fully automatic fluorescence quantitative immunoassay analyzer and a detection method.
  • the main functions of the fluorescence immunoassay analyzer are: quantitatively detecting the contents of various proteins, antigens and other items in human serum, plasma, whole blood or urine for diagnosis, prevention, treatment and health of clinical diseases. Monitoring provides a true and accurate data base.
  • a fully automatic fluorescence quantitative immunoassay analyzer comprising:
  • a sample introduction device comprising a sample holder for placing a sample tube, a sample introduction platform, an injection transfer mechanism, the sample holder being placed on the sample introduction platform, and capable of taking a sample under the action of the injection and delivery mechanism
  • the tube is transported from the position to be tested to the sampling position;
  • An incubating device comprising a turntable and a turntable driving mechanism, wherein the turntable is provided with a plurality of incubating grooves for accommodating a reagent card, one end of the incubating groove extending to an edge of the turntable, the turntable being capable of being at the turntable driving mechanism Rotating, causing the incubator to rotate to different angles and located in the card insertion position, the sample position or the detection position;
  • a sampling device comprising a puncture needle, a puncture drive device, a sampling drive device, a sampling tube, a sampling valve, a syringe pump, a mixing cup for sample mixing, and a buffer chamber for storing a buffer through which the puncture needle passes
  • the sampling valve is disposed on the sampling tube
  • the puncture needle is mounted on the puncture driving device, and can be moved up and down under the action of the puncture driving device to perform puncture
  • the device is mounted on the sampling driving device, and is capable of switching the puncture needle between the sampling position, the buffer tank, the mixing cup and the loading position under the action of the sampling driving device;
  • a reagent card device comprising a reagent card cartridge and a reagent card delivery device, wherein the reagent card delivery device pushes a reagent card located at an outlet of the reagent card cartridge into the incubation tank located at the card insertion position;
  • the data collection device includes a light source module and a photoelectric conversion module.
  • the light source module emits excitation light of a predetermined wavelength to a predetermined area of the reagent card located at the detection position, and the photoelectric conversion module collects the scattered light emitted by the reagent card and converts it into electricity. Signal;
  • the system control module includes an input module, a display module and a data processing module, the input module and the display module are electrically connected to the data processing module, and the system control module controls the sample transfer mechanism, the turntable drive mechanism, The puncture drive device, the sampling drive device, the sampling valve, the syringe pump, the light source module, the photoelectric conversion module, and the reagent card delivery device operate.
  • the puncture needle moves to the buffer chamber under the action of the sampling driving device, draws the quantitative buffer solution, moves to the top of the sampling position, and pierces the cover of the sample tube at the sampling position.
  • the liquid sample to be tested is taken up by the puncture needle under the guidance of the syringe pump, and then moved from the sampling position to the mixing cup by the sampling driving device, and the buffer liquid and the liquid sample to be tested are injected into the mixing cup together to be mixed;
  • the reagent card delivery device pushes the reagent card located at the outlet of the reagent card cartridge to the incubation tank located in the card insertion position, and the reagent card rotates from the card insertion position to the upper sample position as the turntable rotates;
  • the sample After the reagent card for dropping the sample solution is incubated for immunochromatography reaction, the sample is rotated from the sample position to the detection position as the turntable rotates, and the test result data is collected by the data acquisition device and transmitted to the system control module.
  • the automatic fluorescent quantitative immunoassay analyzer combines the sampling device, the incubation device, the sampling device, the data acquisition device, the reagent card device and the system control module under the control of the system control module, and the devices cooperate with each other.
  • the purpose of automatic quantitative analysis of immunity is achieved.
  • the fully automatic fluorescence quantitative immunoassay analyzer further comprises a cleaning device comprising a cleaning chamber and a discharge chamber, the bottom of the cleaning chamber being provided with a cleaning liquid for communicating the cleaning liquid line.
  • An upper portion of the cleaning chamber is provided with a liquid discharge port, and the liquid discharge port communicates with the discharge chamber through a cleaning liquid flow channel, and the discharge chamber can communicate with a negative pressure system to have a negative pressure to be inside the cleaning chamber
  • the cleaning liquid is extracted; the cleaning chamber is further provided with an air inlet and an air outlet;
  • the puncture needle is moveable between the cleaning bin, the sampling position, the buffer reservoir, the mixing cup, and the loading position.
  • the fully automatic fluorescence quantitative immunoassay analyzer further comprises an information reading device for reading information of a sample tube entering the sampling position, and the information reading device is The system control module is electrically connected.
  • the information of the above sample tube includes patient data, test items, and the like for providing samples.
  • the information reading device reads the information of the sample tube to be tested, thereby calling the corresponding item detection program, and can perform different item detection simultaneously on one analyzer.
  • the fully automatic fluorescence quantitative immunoassay analyzer further comprises a shaking device, wherein the sample delivery mechanism sequentially transports the sample tube from the position to be inspected to the shaking level and the sampling position;
  • the shaking device comprises a clamping device for holding a sample tube located in a shaking position, a moving device for shaking the sample tube, and a lifting device, the moving device being connected to the clamping device at one end and the lifting device at the other end, the moving device and the device
  • the clamping device is movable up and down in a vertical direction by the lifting device; the moving device and the lifting device are electrically connected to the system control module.
  • the gripping device includes a sample tube clamp and a connector, and the motion device is provided with a pin limit.
  • the sample tube clamp is made of a hard elastic material to accommodate different sizes of sample tubes, and since the movement device is provided with a pin limit, the sample tube can be prevented from being shaken during the shaking process with the rack or other device. Collision interference during component movement.
  • the sample holder is provided with a limiting slot or a limiting protrusion
  • the sampling platform is provided with a limiting protrusion or a limiting slot that cooperates with the limiting slot or the limiting protrusion.
  • the limiting slot or the limiting protrusion is disposed along the moving direction of the sample holder.
  • the injection transport mechanism includes a first transport mechanism and a second transport mechanism
  • the first conveying mechanism includes a first driving motor, a first driving belt, a first pushing block and a first guiding rail, and the first driving motor drives the first pushing block along the first guiding rail through the first driving belt mobile;
  • the second conveying mechanism includes a second driving motor, a second driving belt, a second pushing block and a second guiding rail, and the second driving motor drives the second pushing block along the second guiding rail by the second driving belt mobile;
  • the first driving motor and the second driving motor are both electrically connected to the system control module;
  • the first rail and the second rail are disposed in mutually perpendicular directions, and the first rail and the second rail are both disposed in a horizontal direction, and the sample rack can be pushed on the first push block Moving from the to-be-checked position to the second push block, and then moving to the sampling position under the push of the second push block.
  • the guide rails of the first conveying mechanism and the second conveying mechanism are perpendicular to each other, that is, the first conveying mechanism and the second conveying mechanism respectively push the X-axis and the Y-axis movement of the sample holder in the horizontal direction, that is, the longitudinal movement and the lateral movement, respectively. It is thus possible to transport each sample tube on the sample holder to the sampling position.
  • the first conveying mechanism further includes a cross bar and a swing spring
  • the cross bar is mounted on the first belt
  • the first push block has two pieces, respectively, and the sample rack
  • the two ends correspond to each other
  • two of the first push blocks are rotatably mounted at two ends of the cross bar
  • two ends of the swing spring are respectively fixed on the cross bar and the first push block.
  • the first push block returns to its original position under the action of the rotary spring.
  • the first push block connecting the rotary spring can clamp the sample holder forward, and when the reset is performed, the first push block is separated from the sample holder, and is received by the spring to push the next sample holder.
  • the sample introduction device further includes an emergency rack for placing an emergency sample tube, the emergency rack is disposed beside the sampling position, and the puncture needle can be operated by the sampling driving device Move between the emergency rack, the sampling position, the buffer chamber, the mixing cup, and the loading position.
  • the samples of the emergency rack can be processed first, so that the automatic fluorescent quantitative immunoassay analyzer can ensure full automatic detection and analysis, and support the processing of emergency samples. It has high automation, flexibility and convenience. The advantages.
  • the sample holder is provided with a limiting slot or a limiting protrusion
  • the sampling platform is provided with a limiting protrusion or a limiting slot that cooperates with the limiting slot or the limiting protrusion.
  • the limiting slot or the limiting protrusion is disposed along the moving direction of the sample holder.
  • the sample introduction device further includes an unloading device including an unloading platform, an unloading drive motor, and an unloading push block, the unloading drive motor driving the unloading push block movement;
  • the sample rack is moved to the unloading platform by the unloading push block, and the unloading platform edge is provided with a limit bar.
  • the turntable can be rotated by the turntable drive mechanism to cause the incubation
  • the slot is rotated to different angles and is located at the insertion position, the loading position, the detection position or the kicking position;
  • the incubating device further comprises a kicking mechanism, the kicking mechanism comprising a third driving motor, a third driving belt, and a kicking member And a third rail, the third driving motor is electrically connected to the system control module;
  • the third driving motor drives the kicking member to move along the third rail through the third belt, the kicking card a piece is disposed at a position corresponding to the kicking position, the third rail is disposed along a radial direction of the turntable, and the kicking member can push a reagent card located at the kicking position in the incubator to the edge of the turntable slide.
  • the detected waste reagent card is kicked out of the incubation tank, and the incubation tank is vacated, and a new reagent card is automatically loaded for subsequent detection.
  • the incubating device further includes a waste card magazine, the opening of the waste card magazine being disposed at an edge of the turntable and corresponding to the kick card position.
  • the reagent card kicked out of the incubator directly enters the waste card compartment to ensure a clean environment.
  • the turntable driving mechanism further includes a code wheel, a turntable driving motor, a driving wheel, a decelerating driven wheel, and the rotating wheel drive motor passes through the driving wheel and the decelerating driven wheel to drive the turntable, the system
  • the control module controls the angle of rotation of the turntable through the code wheel. Thereby precisely controlling the rotation angle of the turntable, improving the overall fit and accuracy of the instrument.
  • a limiting elastic piece is disposed in the incubator, and the limiting elastic piece is disposed on an inner side wall of the incubating groove for fixing the reagent card position.
  • the limiting elastic piece is disposed on the inner side wall of the incubating tank, and the reagent card can be well fixed without hindering the sliding of the reagent card into the incubating tank and sliding out.
  • the incubation device further includes a temperature control device including a heating element, a temperature sensor, and a thermal switch for avoiding continuous heating.
  • a temperature control device including a heating element, a temperature sensor, and a thermal switch for avoiding continuous heating.
  • the sampling device further includes a mixing device including a gas generating device, a drain pump, a gas line, a drain tube, a gas valve, and a drain valve, the gas generating device a drain pump, a gas valve and a drain valve are electrically connected to the system control module; the bottom of the mixing cup is connected to the gas generating device through the gas pipeline, and the gas valve is disposed in the gas tube On the road, the bottom of the mixing cup is communicated with the drain pipe through the drain pump, and the drain valve is disposed on the drain pipe. The air is filled into the mixing cup, bubbles are formed in the liquid of the mixing cup, and the sample is thoroughly mixed by the floating and breaking of the bubbles.
  • a mixing device including a gas generating device, a drain pump, a gas line, a drain tube, a gas valve, and a drain valve, the gas generating device a drain pump, a gas valve and a drain valve are electrically connected to the system control module; the bottom of the mixing cup is connected to the gas
  • the mixing device further includes a vacuum tank mounted on a line between the drain pump and the drain valve.
  • the negative pressure tank stores the negative pressure to prevent the drain pump from being turned on at all times to prolong the service life of the drain pump.
  • the puncturing drive device includes a fourth drive motor, a fourth drive belt, a fourth guide rail, and a fourth connection member, the fourth drive motor being electrically connected to the system control module;
  • the driving motor drives the fourth connecting member to move along the fourth guiding rail through the fourth driving belt, the fourth guiding rail is disposed in a vertical direction, and the puncture needle is mounted on the fourth connecting member;
  • the sampling driving device includes a fifth driving motor, a fifth driving belt, a fifth rail and a fifth connecting member, the fifth driving motor is electrically connected to the system control module; the fifth driving motor passes the fifth The driving belt drives the fifth connecting member to move along the fifth guiding rail, and the puncture driving device is mounted on the fifth connecting member; the sampling position, the buffer tank, the mixing cup and the loading position along the fifth Rail settings.
  • the sampling driving device drives the puncture needle driving device to move between the sampling position, the buffer tank, the mixing cup and the loading position Then, through the puncture needle driving device, the puncture needle accurately absorbs the sample to be tested in the sample tube of the sampling position and the buffer liquid contained in the buffer chamber into the mixing cup, and after fully mixing, the diluted sample is taken up.
  • the sample is sampled and loaded at the predetermined location of the reagent card.
  • the reagent cartridge includes a sixth drive motor, a sixth drive belt, a sixth link, a sixth guide rail, and at least two reagent card slots for placing a reagent card
  • the sixth drive motor Electrically connecting with the system control module; at least two of the reagent card slots are mounted side by side on the sixth connecting member, and the reagent card outlets of the at least two reagent card slots are disposed at the bottom of the reagent card slot.
  • the sixth driving motor can drive the sixth connecting member to move along the sixth guiding rail through the sixth driving belt, so that the reagent card conveying device corresponds to different reagent card slot outlets;
  • the reagent card conveying device includes a seventh driving motor, a seventh driving belt, a seventh connecting member and a seventh guiding rail, wherein the seventh driving motor is electrically connected to the system control module; and the seventh connecting member is mounted with a push a seventh driving motor drives the seventh connecting member to move along the seventh guiding rail through the seventh driving belt, so that the pushing piece pushes the reagent card from the reagent card slot outlet to the incubation at the insertion position Inside the slot.
  • the reagent card cartridge and the reagent card transport device cooperate with each other, and can smoothly push the reagent card in the reagent card cartridge into the incubator, and can pass through the sixth drive motor, the sixth drive belt, the sixth connecting member, and the sixth guide rail.
  • the function of the reagent card delivery device is corresponding to different reagent card slot outlets, and reagent cards for detecting different items can be loaded in different reagent card slots, so that different detection items can be performed by selecting different reagent cards.
  • the invention also discloses a fluorescence quantitative immunoassay method, which adopts the above-mentioned automatic fluorescence quantitative immunoassay analyzer, comprising the following steps:
  • the puncture needle moves to the buffer chamber under the action of the sampling driving device, draws the quantitative buffer solution, moves to the top of the sampling position, and pierces the cover of the sample tube at the sampling position.
  • the liquid sample to be tested is taken up by the puncture needle under the guidance of the syringe pump, and then moved from the sampling position to the mixing cup by the sampling driving device, and the buffer liquid and the liquid sample to be tested are injected into the mixing cup together to be mixed;
  • the reagent card delivery device pushes the reagent card located at the outlet of the reagent card cartridge to the incubation tank located in the card insertion position, and the reagent card rotates from the card insertion position to the upper sample position as the turntable rotates;
  • the sample After the reagent card for dropping the sample solution is incubated for immunochromatography reaction, the sample is rotated from the sample position to the detection position as the turntable rotates, and the test result data is collected by the data acquisition device and transmitted to the system control module.
  • Fluorescent quantitative immunoassay method using the above-mentioned automatic fluorescence quantitative immunoassay analyzer, can realize fully automatic instrument analysis, improve detection efficiency, and reduce professional requirements for testers.
  • the automatic fluorescent quantitative immunoassay analyzer described above is used, and the puncture needle absorbs the sample solution mixed with the buffer, and after the drop is applied to the reagent card, the puncture needle moves to the cleaning chamber.
  • the cleaning liquid enters the cleaning chamber from the cleaning liquid inlet port located at the bottom of the cleaning chamber, and flows out from the liquid discharge port on the upper portion of the cleaning chamber under the negative pressure of the discharge chamber to clean the outer wall of the puncture needle; and, the cleaning liquid Under the negative pressure of the discharge bin, the needle port of the puncture needle enters the internal passage of the puncture needle, and the inner wall of the puncture needle is cleaned.
  • the above-mentioned automatic fluorescent quantitative immunoassay analyzer is used, and the reagent card is in the detection position.
  • the rotation of the turntable rotates from the detection position to the kicking position, and the kicking member pushes the reagent card located at the kicking position to slide to the edge of the turntable until the reagent card slides out of the incubator.
  • the vacant incubation tank can be rotated with the turntable, and rotated from the kick position to the feed position for subsequent detection.
  • the sample tube containing the liquid sample to be tested which needs to be measured immediately, is placed in the emergency frame by the above-mentioned automatic fluorescence quantitative immunoassay analyzer, and the puncture needle is under the control of the system control module.
  • the samples of the emergency frame can be preferentially processed for testing, so that the fully automatic fluorescent quantitative immunoassay analyzer can realize fully automated detection and analysis, and supports the processing of emergency samples, and has the advantages of high automation and flexibility.
  • the gas generating device is controlled to generate gas, and the gas valve is opened.
  • the air is filled into the mixing cup, bubbles are formed in the liquid of the mixing cup, and the sample is thoroughly mixed by the floating and breaking of the bubbles.
  • the present invention has the following beneficial effects:
  • the automatic fluorescent quantitative immunoassay analyzer of the invention is combined under the control of the system control module, the sampling device, the incubation device, the sampling device, the data acquisition device, the reagent card device and the system control module are organically combined, and each device Cooperate with each other to achieve the purpose of automatic quantitative analysis.
  • the cleaning device through the use of the cleaning device, the use of the disposable consumables is eliminated, the cost is reduced, and the advantages of green environmental protection are eliminated; the liquid in the mixing cup is mixed by the rise and break of the bubbles.
  • the components are coordinated and coordinated to further improve the automation and performance of the analyzer.
  • the fluorescence quantitative immunoassay method of the invention adopts the above-mentioned automatic fluorescent quantitative immunoassay analyzer to realize automatic instrument analysis, improves the detection efficiency, and reduces the professional requirements for the tester.
  • Figure 1 is an exploded view of the automatic fluorescent quantitative immunoassay analyzer in the embodiment
  • FIG. 2 is a schematic structural view of an automatic fluorescence quantitative immunoassay analyzer in the embodiment
  • Figure 3 is a plan view of the automatic fluorescent quantitative immunoassay analyzer in the embodiment
  • FIG. 4 is a schematic structural view of a sample introduction device in an embodiment
  • Figure 5 is a schematic structural view of the first conveying mechanism
  • Figure 6 is a schematic structural view of a second conveying mechanism
  • Figure 7 is a schematic view showing the structure of the emergency frame
  • Figure 8 is a schematic view showing the structure of the incubation device
  • Figure 9 is a schematic structural view of a kick card mechanism
  • Figure 10 is a schematic view showing the structure of a syringe pump
  • Figure 11 is a schematic view showing the structure of the mixing cup
  • Figure 12 is a schematic structural view of a sampling driving device and a puncture needle driving device
  • Figure 13 is a schematic view showing the structure of a buffer tank
  • Figure 14 is a schematic diagram of the mixing principle
  • Figure 15 is a schematic view showing the structure of a reagent cartridge
  • Figure 16 is a schematic structural view of a reagent card conveying device
  • Figure 17 is a schematic view showing the structure of the shaking device
  • a fully automatic fluorescence quantitative immunoassay analyzer as shown in Figures 1-3, comprises: a sample introduction device 100, an incubation device 200, a sampling device 300, a data acquisition device 400, a reagent card device and a system control module.
  • the sample introduction device includes a sample holder 110 for placing a sample tube, a sample introduction platform 120, and an injection transfer mechanism, and the sample holder 110 is placed on the sample introduction platform 120, and The sample tube is transported from the position to be tested to the sampling position 360 by the injection transport mechanism.
  • the sample holder 110 is provided with a limiting slot 111.
  • the sampling platform 120 is provided with a limiting protrusion 112 that cooperates with the limiting slot 111.
  • the sample rack 110 is set in the moving direction. By engaging the limiting protrusion 112 into the limiting slot 111, the risk of the sample holder 110 being inverted or tipped can be prevented.
  • the sample transfer mechanism includes a first transfer mechanism 140 and a second transfer mechanism 130.
  • the first conveying mechanism 140 includes a first driving motor, a first driving belt, a first pushing block 141 and a first guiding rail, and the first driving motor drives the first through the first driving belt
  • the push block 141 moves along the first rail.
  • the second conveying mechanism 130 includes a second driving motor, a second driving belt, and a second pushing block. And a second guide rail, the second driving motor drives the second pushing block to move along the second guiding rail by the second driving belt.
  • the first drive motor and the second drive motor are both electrically connected to the system control module.
  • the first rail and the second rail are disposed in mutually perpendicular directions, and the first rail and the second rail are both disposed in a horizontal direction, that is, the first conveying mechanism 140 and the second conveying mechanism 130 respectively push
  • the sample rack 110 moves in the horizontal direction of the X axis and the Y axis, and the sample holder 110 can be moved from the to-be-checked position to the second push block by the pushing of the first push block 141, and then in the second push The block is moved laterally to the sample position 360.
  • the transport mechanism can also be constructed by other means such as a robot, and it is only necessary to be able to transport the sample tube from the to-be-tested position to the sampling position.
  • the above structure has the advantages of stable structure and reliability.
  • the first conveying mechanism further includes a cross bar and a swing spring 142, the cross bar is mounted on the first drive belt, and the first push block 141 has two pieces, respectively, and the sample
  • the two ends of the frame 110 are rotatably mounted on the two ends of the cross bar, and the two ends of the swing spring 142 are respectively fixed to the cross bar and the first push block 141.
  • the first push block 141 moves forward along the first guide rail, the first push block 141 abuts against the sample holder 110, pushing the sample holder 110 to move; when the first push When the block 141 moves in the opposite direction along the first guide rail, the first push block 141 is blocked by the sample holder 110 from rotating to the outside of the sample holder, and the swing spring 142 is stretched when the first push When the block 141 leaves the sample holder, the first push block 141 returns to the original position under the action of the rotary spring 142.
  • the first push block 141 connecting the swing spring 142 can clamp the sample holder forward, and when the reset is performed, the first push block is separated from the sample holder, and is received by the spring to push the next sample holder.
  • the sample introduction device further includes an emergency rack 150 for placing an emergency sample tube.
  • the emergency rack 150 is disposed in the present embodiment. Adjacent to the sampling position 360, the puncture needle 310 can be moved between the emergency rack 150, the sampling position 360, the buffer chamber 350, the mixing cup 340, and the loading position 230 by the sampling driving device 330. .
  • the samples of the emergency frame can be preferentially processed for testing, so that the fully automatic fluorescent quantitative immunoassay analyzer can realize fully automated detection and analysis, and supports the processing of emergency samples, and has the advantages of high automation and flexibility.
  • the sample introduction device further includes an unloading device, as shown in FIG. 4, the unloading device includes an unloading platform 161, an unloading driving motor, and an unloading pushing block, and the unloading driving The motor drives the unloading push block to move; the sample rack 110 passing through the sampling position 360 is moved to the unloading platform 161 by the unloading push block, and the unloading platform 161 is provided with a limit bar at the edge.
  • the unloading device Through the use of the unloading device, the detected sample is unloaded, and then placed on the injection platform for subsequent injection detection, and the flow-through detection mode is realized, which has the advantages of high detection efficiency and convenience.
  • the incubating device 200 includes a turntable 210 and a turntable driving mechanism.
  • the turntable 210 is provided with a plurality of incubing grooves 211 for accommodating a reagent card in the radial direction, and one end of the incubating groove 211 extends to the edge of the turntable 210.
  • the turntable 210 can be rotated around the center of the turntable under the driving of the turntable driving mechanism, so that the incubating groove 211 is rotated to different angles and is located at the input card position 220, the loading position 230, the detecting position 240 or the kicking position 250. .
  • the turntable driving mechanism further includes a code wheel, a turntable driving motor, a driving wheel, and a decelerating driven wheel, and the rotating wheel driving motor passes the driving wheel and the decelerating driven wheel to drive the turntable 210, the system
  • the control module controls the angle of rotation of the turntable through the code wheel.
  • a limiting elastic piece is disposed in the incubating groove 211, and the limiting elastic piece is disposed on the inner side wall of the incubating groove 211 for fixing the reagent card position.
  • the limiting elastic piece is disposed on the inner side wall of the incubating tank, and the reagent card can be well fixed without hindering the sliding of the reagent card into the incubating tank and sliding out.
  • the incubation device further includes a kick card mechanism, a waste card magazine 260, and a temperature control device.
  • the kicking mechanism includes a third driving motor, a third driving belt 251, a kicking member 252, and a third rail 253, and the third driving motor is electrically connected to the system control module;
  • the third driving motor drives the kicking member 252 to move along the third rail 253 through the third driving belt 251, and the kicking member 252 is disposed at a position corresponding to the kicking position 250, the third
  • the guide rail 253 is disposed along the radial direction of the turntable such that the kicker 252 can push the reagent card located at the kick-off position 250 to slide toward the edge of the turntable 210 in the incubator 211.
  • An opening of the waste card compartment 260 is disposed at an edge of the turntable 210 and corresponds to the kick card position 250.
  • the detected waste reagent card is kicked out of the incubation tank 211, and the incubation tank is vacated, and a new reagent card is automatically loaded for subsequent detection.
  • the waste reagent card that is kicked out directly enters the waste card bin 260 to ensure the environment is clean.
  • the incubation device 200 also includes a temperature control device that includes a heating element, a temperature sensor, and a thermal switch for avoiding continuous heating. Through the use of the temperature control device, the temperature of the incubation device is precisely controlled to achieve a better incubation effect.
  • the sampling device 300 includes a puncture needle 310, a puncture drive device 320, a sampling drive device 330, a sampling tube, a sampling valve, a syringe pump (as shown in FIG. 10), and a mixing cup 340 for sample mixing (as shown in FIG. 11).
  • a buffer tank 350 for storing a buffer the puncture needle 310 is connected to the syringe pump through the sampling tube, the sampling valve is disposed on the sampling tube, and the puncture needle 310 is mounted on the puncture driving device 320, and can be moved up and down to perform puncture under the action of the puncture driving device 320.
  • the puncture driving device 320 is mounted on the sampling driving device 330, and can be puncture under the action of the sampling driving device 330. Needle 310 switches between sampling position 360, buffer reservoir 350, mixing cup 340, and loading position 230.
  • the liquid sample is taken up by the puncture needle, and the sample tube cover does not need to be opened, thereby avoiding the problem that the whole blood sample is exposed to air stratification.
  • the puncture needle driving device 320 includes a fourth driving motor, a fourth driving belt, a fourth guiding rail and a fourth connecting member, and the fourth driving motor and the system control module Electrically connecting; the fourth driving motor drives the fourth connecting member to move along the fourth guiding rail by the fourth driving belt, the fourth guiding rail is disposed in a vertical direction, and the puncture needle is mounted on the fourth connection
  • a puncture area made of a soft rubber material should be provided on the cover of the sample tube.
  • the sampling driving device 330 includes a fifth driving motor, a fifth driving belt, a fifth guiding rail and a fifth connecting member, wherein the fifth driving motor is electrically connected to the system control module; the fifth driving motor passes the first The fifth driving belt drives the fifth connecting member to move along the fifth guiding rail, and the puncture driving device 320 is mounted on the fifth connecting member; the emergency rack 150, the sampling position 360, the buffer tank 350, and the mixing cup 340 And the loading position 230 is disposed along the extending direction of the fifth rail.
  • the sampling driving device 330 drives the puncture needle driving device 320 to move between the cleaning bin, the sampling position 360, the buffer tank 350, the mixing cup 340 and the loading position 230, and then the puncture needle driving device 320 to make the puncture needle accurate. Aspirate the sample to be tested in the sample tube of the sampling position 360, the buffer contained in the buffer chamber 350 into the mixing cup, and after thoroughly mixing, suck the diluted sample to the sample position 230 at the predetermined position of the reagent card. kind.
  • the buffer chamber 350 has six positions, four of which are placed with different types of reagent cards.
  • the corresponding buffer, the other two are placed acid and alkali cleaning solution. You can also adjust the number of positions according to actual needs.
  • the reminder function of the buffer tank is activated, and a signal is sent for the operator to replenish in time.
  • the sampling device 300 further includes a mixing device including a gas generating device 371, a drain pump 372, a gas line 373, a drain tube 374, and a gas valve. 375 and a drain valve 376, the gas generating device 371, the drain pump 372, the gas valve 375 and the drain valve 376 are all electrically connected to the system control module; the mixing cup 340 (shown in Figure 11) The bottom is connected to the gas generating device 371 through the gas line 373, the gas valve 375 is disposed on the gas line 373, and the bottom of the mixing cup 340 passes through the drain pump 372 and the drain The tube 374 is in communication, and the drain valve 376 is disposed on the drain tube 374.
  • the mixing cup 340 is filled with air, bubbles are formed in the liquid of the mixing cup, and the sample is thoroughly mixed by the floating and breaking of the bubbles.
  • the mixing device further includes a negative pressure tank 377 installed on a pipeline between the liquid discharge pump 372 and the liquid discharge valve 376.
  • the negative pressure tank 377 stores the negative pressure to prevent the drain pump 372 from being in the normally open state to prolong the service life of the drain pump.
  • the data collection device 400 includes a light source module and a photoelectric conversion module.
  • the light source module emits excitation light of a predetermined wavelength to a predetermined area of the reagent card located at the detection position, and the photoelectric conversion module collects the scattered light emitted by the reagent card and converts it into electricity. signal.
  • the data acquisition device can be set according to conventional techniques.
  • the reagent card device includes a reagent card cartridge 510 and a reagent card delivery device 520 that pushes a reagent card located at the outlet of the reagent cartridge to the incubation slot 211 located in the insertion slot 220.
  • the reagent card cartridge 510 includes a sixth driving motor, a sixth driving belt, a sixth connecting member, a sixth guiding rail, and four reagent card slots 511 for placing a reagent card.
  • the sixth driving motor is electrically connected to the system control module; four reagent card slots 511 are mounted side by side on the sixth connecting member, and reagent card outlets of the four reagent card slots 511 are disposed at At the bottom of the reagent card slot 511, the sixth driving motor can move the sixth connecting member along the sixth guiding rail by the sixth driving belt, so that the reagent card conveying device 520 corresponds to different reagent card slots.
  • Export
  • the reagent card conveying device 520 includes a seventh driving motor, a seventh driving belt 521, a seventh connecting member and a seventh guiding rail 522, and the seventh driving motor is electrically connected to the system control module;
  • the seventh connecting member is mounted with a pushing piece 523, and the seventh driving motor drives the seventh connecting piece to move along the seventh guiding line 522 through the seventh driving belt 521, so that the pushing piece 523 is a reagent card.
  • the reagent cartridge 510 and the reagent card transport device 520 cooperate with each other, and can smoothly push the reagent card in the reagent cartridge 510 into the incubator 210, and can pass through the sixth drive motor, the sixth drive belt, the sixth connector, And the function of the sixth guide rail, so that the reagent card conveying device 520 corresponds to different reagent card slot outlets, and reagent cards for detecting different items can be loaded in different reagent card slots, so that different reagent cards can be selected to be different. Test items.
  • the reagent card slot is provided with an edge matching the gap provided on the reagent card of the corresponding detection item to define the type and placement direction of the reagent card, thereby providing guarantee for the accuracy of subsequent detection.
  • the above ribs can adopt any shape, such as a triangle or the like, and only need to match the notch on the corresponding reagent card.
  • the reagent card cartridge is further provided with a limit slider, and the limit slider can slide up and down in the reagent card slot along the guide rail.
  • the limit slider can slide down to fix the reagent card in the box, so as to avoid the reagent card when the number of reagent cards placed in the box is small. Skew or reverse.
  • the reminder function of the reagent card compartment is activated, and a signal is sent for the operator to supplement.
  • the system control module includes an input module, a display module and a data processing module, the input module and the display module are electrically connected to the data processing module, and the system control module controls the sample transfer mechanism, the turntable drive mechanism, The puncture drive device 320, the sampling drive device 330, the sampling valve, the syringe pump, the light source module, the photoelectric conversion module, and the reagent card delivery device 520 operate.
  • the main function of the display module is to display the operation instructions, process information and test results.
  • the display module and the input module can be integrated in the instrument, and the main hardware includes a display screen, a touch screen, an indicator light and the like.
  • the data processing module is responsible for the scheduling, control, monitoring of the entire system, timely human-computer interaction and fault handling, and is mainly composed of a hardware board and a software system.
  • the fully automatic fluorescence quantitative immunoassay analyzer further comprises a cleaning device, the cleaning device comprises a cleaning chamber and a discharge chamber, and the bottom of the cleaning chamber is provided with a cleaning liquid inlet for communicating the cleaning liquid pipeline
  • the upper portion of the cleaning chamber is provided with a liquid discharge port, and the liquid discharge port communicates with the discharge chamber through a cleaning liquid flow channel, and the discharge chamber can communicate with a negative pressure system to have a negative pressure to be in the cleaning chamber.
  • the cleaning solution is pumped out; the cleaning chamber is further provided with an air inlet and an air outlet; the puncture needle is movable between the cleaning chamber, the sampling position, the buffer chamber, the mixing cup and the loading position.
  • a disposable Tip head can also be used to eliminate the cross-contamination of each sample.
  • a consumable material such as a disposable pipette tip (Tip head), and it has the advantages of low cost and environmental protection.
  • the fully automatic fluorescence quantitative immunoassay analyzer further comprises an information reading device 600, wherein the information reading device is configured to read bar code information of a sample tube entering the sampling position, and the information reading device and the device The system control module is electrically connected.
  • the information of the above sample tube includes patient data, test items, and the like for providing samples. It can be understood that if there is no such information reading device, the detection and analysis work of the analyzer is not affected. However, the information reading device reads the information of the sample tube to be tested, thereby calling the corresponding item detection program, and can perform different item detection on one analyzer.
  • the automatic fluorescent quantitative immunoassay analyzer further comprises a shaking device 700, wherein the sample conveying mechanism sequentially transports the sample tube from the position to be inspected to the shaking level and the sampling position; as shown in FIG.
  • the shaking device 700 includes a clamping device 710 for holding a sample tube in a shaking position, a moving device 720 for shaking the sample tube, and a lifting device 730, and the moving device 720 is connected to the clamping device 710 at one end. The other end is connected to a lifting device 730, and the moving device 720 and the clamping device 710 can be moved up and down in the vertical direction by the lifting device 730, and the moving device 720 and the lifting device 730 are controlled by the system.
  • the module is electrically connected. Through the use of the above-mentioned shaking device, the liquid sample to be tested is thoroughly mixed before sampling, thereby improving the detection accuracy.
  • the clamping device 710 includes a sample tube clamp and a connecting member, and the shaking device is provided with a pin limit. It can prevent the sample tube from colliding with the frame or other parts during the shaking process.
  • the sample tube clamp is made of a hard elastic material to accommodate different sizes of sample tubes.
  • the automatic quantitative immunoassay analyzer of the present embodiment is used for fluorescence quantitative immunoassay, and the process steps are as follows:
  • the puncture needle 310 moves to the buffer chamber 350 under the action of the sampling driving device 330, absorbs the quantitative buffer solution, moves to the top of the sampling position 360, and pierces the sample at the sampling position.
  • the lid of the tube is sucked by the puncture needle 310 under the guidance of the syringe pump, and then the sample is driven by the sampling drive device 330. Moving from the sampling position 360 to the mixing cup 340, and injecting the buffer and the liquid sample to be tested into the mixing cup 340;
  • the gas generating device 371 generates a gas, opens the gas valve 375, fills the mixing cup 340 with air, forms bubbles in the liquid of the mixing cup 340, and thoroughly mixes the sample by floating and rupturing the bubbles. .
  • the reagent card transport device 520 pushes the reagent card located at the outlet of the reagent card cartridge 510 into the incubator 211 located in the card insertion position 220.
  • the reagent card rotates from the feed card position 220 to the loading position as the turntable 210 rotates. Bit 230;
  • the rotation of the turntable 210 is rotated from the loading position 230 to the detection position 240, and the data of the detection result is collected by the data collection device 400 and transmitted to the system. Control module.
  • the detected reagent card is rotated by the rotation of the turntable 210 from the detection position 240 to the kick position 250 after the detection position 240 is collected by the data acquisition device 400, and the kicker 252 is pushed.
  • the reagent card located at the kicking position 250 slides toward the edge of the turntable 210 until the reagent card slides out of the incubator 211, and then the vacant incubator 211 can be rotated with the turntable 210 to be rotated again from the kick-off position 250 to the feed-in position 220 for For subsequent testing.
  • the sample tube containing the liquid sample to be tested that needs to be measured immediately is placed in the emergency frame 150, and the puncture needle is under the control of the system control module. 310 moves to the emergency rack 150 and moves downward to puncture the lid of the sample tube located in the emergency rack 150, and the liquid sample is aspirated for subsequent detection.

Abstract

一种全自动荧光定量免疫分析仪及方法,属于检测技术领域。该全自动荧光定量免疫分析仪包括:进样装置(100),孵育装置(200),取样装置(300),数据采集装置(400),试剂卡装置,以及系统控制模块;通过上述各装置和模块有机的结合在一起,各元件相互配合,共同实现了自动进行免疫定量分析的目的。荧光定量免疫检测方法,采用上述的全自动荧光定量免疫分析仪,实现了全自动仪器分析。

Description

全自动荧光定量免疫分析仪及检测方法 技术领域
本发明涉及检测技术领域,特别是涉及一种全自动荧光定量免疫分析仪及检测方法。
背景技术
荧光免疫定量分析仪的主要功能为:体外定量检测人血清、血浆、全血或者尿液中的各种蛋白、抗原等多种项目的含量,用于为临床疾病的诊断、预防、治疗以及健康监测提供真实准确的数据依据。
为符合当前医疗行业对检验的POCT(Point-of-care testing,即时检验)要求,实现快速得到准确检验结果的目的,去除繁杂的操作程序,降低人为操作带来的误差或错误对结果的影响,提高测试速度,全自动荧光免疫定量分析仪是当前仪器发展的一个必然趋势。
但是,目前市场上现有的荧光免疫定量检测仪器,大多数都属于半自动仪器或者手动检测仪器。
发明内容
基于此,有必要针对上述问题,提供一种全自动荧光定量免疫分析仪,能够实现全自动进行免疫定量分析。
一种全自动荧光定量免疫分析仪,包括:
进样装置,包括用于放置样本管的样本架、进样平台、进样传送机构,所述样本架置于所述进样平台上,并可在所述进样传送机构的作用下将样本管由待检位运送至取样位;
孵育装置,包括转盘和转盘驱动机构,所述转盘的径向设有若干容纳试剂卡的孵育槽,所述孵育槽的一端延伸至所述转盘的边缘,所述转盘能够在所述转盘驱动机构的带动下旋转,使所述孵育槽旋转至不同角度而位于进卡位、上样位或检测位;
取样装置,包括穿刺针、穿刺驱动装置、取样驱动装置、取样管、取样阀、注射泵、用于样品混合的混匀杯和存放缓冲液的缓冲液仓,所述穿刺针通过所述取样管连接所述注射泵,所述取样阀设置于所述取样管上,所述穿刺针安装于所述穿刺驱动装置上,并可在该穿刺驱动装置的作用下上下移动进行穿刺,所述穿刺驱动装置安装于所述取样驱动装置上,并能够在该取样驱动装置的作用下使所述穿刺针在取样位、缓冲液仓、混匀杯和上样位之间切换;
试剂卡装置,包括试剂卡仓和试剂卡输送装置,所述试剂卡输送装置将位于所述试剂卡仓出口的试剂卡推送至位于进卡位的所述孵育槽内;
数据采集装置,包括光源模块及光电转换模块,所述光源模块对位于检测位的试剂卡预设区域发射预定波长的激发光,所述光电转换模块收集该试剂卡发出的散射光并转换为电信号;以及
系统控制模块,包括输入模块、显示模块和数据处理模块,所述输入模块和所述显示模块与所述数据处理模块电连接,所述系统控制模块控制所述进样传送机构、转盘驱动机构、穿刺驱动装置、取样驱动装置、取样阀、注射泵、光源模块、光电转换模块和试剂卡输送装置运行。
上述全自动荧光定量免疫分析仪在系统控制模块的控制下完成各流程步骤,其工作流程如下:
将装有待测液体样本的样本管放置于样本架上,由所述进样传送机构将该样本管由待检位运送至取样位;
在系统控制模块的控制下,所述穿刺针在所述取样驱动装置的作用下,移动至缓冲液仓,吸取定量缓冲液,再移动到取样位上方,刺破位于取样位样本管的盖子,在注射泵的主导下穿刺针吸取待测液体样本,随后在取样驱动装置的作用下由取样位移动至混匀杯,将缓冲液和待测液体样本一起注入所述混匀杯内混匀;
同时,试剂卡输送装置将位于所述试剂卡仓出口的试剂卡推动至位于进卡位的孵育槽内,该试剂卡随着转盘的转动,从进卡位转动至上样位;
控制穿刺针吸取与缓冲液混合后的样本溶液,滴加至上述位于上样位的试剂卡上;
上述滴加样本溶液的试剂卡孵育进行免疫层析反应后,随着转盘的转动,从上样位转动至检测位,由所述数据采集装置采集检测结果数据,并传送至系统控制模块。
该全自动荧光定量免疫分析仪,在系统控制模块的控制下,进样装置、孵育装置、取样装置、数据采集装置、试剂卡装置和系统控制模块有机的结合在一起,各装置相互配合,共同实现了自动进行免疫定量分析的目的。
在其中一个实施例中,该全自动荧光定量免疫分析仪还包括清洗装置,所述清洗装置包括清洗仓和排出仓,所述清洗仓的底部设有用于连通清洗液管路的清洗液进液口,所述清洗仓的上部设有排液口,所述排液口通过清洗液流道连通所述排出仓,所述排出仓能够与负压系统连通而具有负压将所述清洗仓内的清洗液抽出;所述清洗仓还设有空气进口和空气出口;
所述穿刺针能够在清洗仓、取样位、缓冲液仓、混匀杯和上样位之间移动。
通过上述清洗装置的作用,无需使用一次性吸液枪头(Tip头)等耗材,具有成本低、绿色环保的优点。
在其中一个实施例中,该全自动荧光定量免疫分析仪还包括信息读取装置,所述信息读取装置用于读取进入取样位的样本管的信息,且该信息读取装置与所述系统控制模块电连接。上述样本管的信息包括提供样本的患者资料,检测项目等。以信息读取装置读取待测样本管的信息,从而调用相应的项目检测程序,可以在一台分析仪上同时进行不同的项目检测。
在其中一个实施例中,该全自动荧光定量免疫分析仪还包括摇匀装置,所述进样传送机构将样本管由待检位依次运送至摇匀位和取样位;所述摇匀装置包括用于夹持位于摇匀位的样本管的夹持装置、用于摇晃样本管的运动装置和提升装置,所述运动装置一端连接夹持装置,另一端连接提升装置,所述运动装置和所述夹持装置可在所述提升装置的作用下在竖直方向上下移动;所述运动装置和提升装置与所述系统控制模块电连接。通过上述摇匀装置的使用,将待测液体样本在取样前充分混匀,提高了检测准确性。
在其中一个实施例中,所述夹持装置包括样本管夹和连接件,所述运动装置设有销钉限位。优选地,所述样本管夹由硬质弹性材料制成,以适应不同尺寸的样本管,由于所述运动装置设有销钉限位,可以防止样品管在摇匀过程中与机架或者其它器部件运动中碰撞干扰。
在其中一个实施例中,所述样本架上设有限位槽或限位凸,所述进样平台上设有与所述限位槽或限位凸相配合的限位凸或限位槽,所述限位槽或限位凸沿所述样本架移动方向设置。通过将限位凸卡入限位槽内,可防止样本架出现倒置、倾覆的危险。
在其中一个实施例中,所述进样传送机构包括第一传送机构和第二传送机构;
所述第一传送机构包括第一驱动电机、第一传动带、第一推块和第一导轨,所述第一驱动电机通过所述第一传动带带动所述第一推块沿所述第一导轨移动;
所述第二传送机构包括第二驱动电机、第二传动带、第二推块和第二导轨,所述第二驱动电机通过所述第二传动带带动所述第二推块沿所述第二导轨移动;
所述第一驱动电机和所述第二驱动电机均与所述系统控制模块电连接;
所述第一导轨与所述第二导轨沿相互垂直的方向设置,且所述第一导轨与所述第二导轨均在水平方向设置,所述样本架能够在所述第一推块的推动下从待检位移动至所述第二推块,再在第二推块的推动下移动至取样位。
上述第一传送机构和第二传送机构的导轨相互垂直,即第一传送机构和第二传送机构分别推动样本架在水平方向的X轴和Y轴运动,也即分别为纵向动作和横向动作,从而可以将样本架上的每一个样本管运送至取样位。
在其中一个实施例中,所述第一传送机构还包括横杆和回转弹簧,所述横杆安装于所述第一传动带上,所述第一推块有两块,分别与所述样本架两端相对应,并且两块所述第一推块可转动的安装于所述横杆两端,所述回转弹簧两端分别固定于所述横杆和所述第一推块上。当所述第一推块沿所述第一导轨正向移动时,所述第一推块抵靠于所述样本架上,推动所述样本架移动;当所述第一推块沿所述第一导轨反向移动时,所述第一推块受到所述样本架的阻挡向样本架外侧旋转,此时所述回转弹簧拉伸,当所述第一推块离开该样本架时,所述第一推块在所述回转弹簧的作用下回复原位。该连接回转弹簧的第一推块可将样本架卡住往前推送,复位时该第一推块脱离样本架卡位,受弹簧作用收到一边,重新推送下一个样本架。
在其中一个实施例中,所述进样装置还包括用于放置急诊样本管的急诊架,所述急诊架设于所述取样位旁侧,所述穿刺针在所述取样驱动装置的作用下能够在急诊架、取样位、缓冲液仓、混匀杯和上样位之间移动。
通过急诊架的设置,可以优先处理急诊架的样本进行检测,使该全自动荧光定量免疫分析仪既能够确保全程实现全自动化检测分析,又支持了紧急样本的处理,具有自动化程度高、灵活方便的优点。
在其中一个实施例中,所述样本架上设有限位槽或限位凸,所述进样平台上设有与所述限位槽或限位凸相配合的限位凸或限位槽,所述限位槽或限位凸沿所述样本架移动方向设置。通过将限位凸卡入限位槽内,可防止样本架出现倒置、倾覆的危险。
在其中一个实施例中,所述进样装置还包括卸载设备,所述卸载设备包括卸载平台、卸载驱动电机和卸载推块,所述卸载驱动电机驱动所述卸载推块移动;经过取样位的样本架在所述卸载推块的推动下移动至所述卸载平台上,所述卸载平台边缘设有限位栏。通过该卸载设备的使用,将检测完的样本卸载,再安置到进样平台,进行后续进样检测,实现了流水式的检测方式,具有检测效率高且方便的优点。
在其中一个实施例中,所述转盘能够在所述转盘驱动机构的带动下旋转,使所述孵育 槽旋转至不同角度而位于进卡位、上样位、检测位或踢卡位;所述孵育装置还包括踢卡机构,所述踢卡机构包括第三驱动电机、第三传动带、踢卡件和第三导轨,所述第三驱动电机与所述系统控制模块电连接;所述第三驱动电机通过所述第三传动带带动所述踢卡件沿所述第三导轨移动,所述踢卡件设置于与所述踢卡位相对应的位置,所述第三导轨沿所述转盘的径向设置,所述踢卡件可推动位于踢卡位的试剂卡在所述孵育槽内向转盘边缘滑动。
通过踢卡机构的作用,将检测后的废试剂卡踢出孵育槽,空出孵育槽位,待后续检测自动装入新的试剂卡。
在其中一个实施例中,所述孵育装置还包括废卡仓,所述废卡仓的开口设于所述转盘边缘,并与所述踢卡位相对应。从孵育槽被踢出的试剂卡直接进入废卡仓内,保证环境清洁。
在其中一个实施例中,所述转盘驱动机构还包括码盘、转盘驱动电机、主动轮、减速从动轮,所述转盘驱动电机通过所述主动轮、所述减速从动轮传动转盘,所述系统控制模块通过所述码盘控制所述转盘的转动角度。从而精准控制转盘的转动角度,提高仪器的整体配合度和精准性。
在其中一个实施例中,所述孵育槽内设有限位弹片,所述限位弹片设置于孵育槽的内侧壁,用于将试剂卡位置固定。将限位弹片设置于孵育槽的内侧壁,既能够很好的固定试剂卡,又不妨碍试剂卡在该孵育槽的滑入及滑出。
在其中一个实施例中,所述孵育装置还包括温控装置,所述温控装置包括加热件、温度传感器和用于避免持续加热的过热开关。通过温控装置的使用,精密控制孵育装置的温度,达到更好的孵育效果。
在其中一个实施例中,所述取样装置还包括混匀装置,该混匀装置包括气体发生装置、排液泵、气体管路、排液管、气体阀和排液阀,所述气体发生装置、排液泵、气体阀和排液阀均与所述系统控制模块电连接;所述混匀杯底部与所述气体发生装置通过所述气体管路连接,所述气体阀设于该气体管路上,所述混匀杯底部通过所述排液泵与所述排液管连通,所述排液阀设于该排液管上。往混匀杯内充入空气,在混匀杯的液体中形成气泡,通过气泡的上浮和破裂,对样本进行充分混匀。
在其中一个实施例中,所述混匀装置还包括负压罐,所述负压罐安装于所述排液泵和所述排液阀之间的管路上。通过负压罐储存负压,避免排液泵时时处于开启状态,以延长排液泵的使用寿命。
在其中一个实施例中,所述穿刺驱动装置包括第四驱动电机、第四传动带、第四导轨和第四连接件,所述第四驱动电机与所述系统控制模块电连接;所述第四驱动电机通过所述第四传动带带动所述第四连接件沿第四导轨移动,所述第四导轨沿竖直方向设置,所述穿刺针安装于所述第四连接件上;
所述取样驱动装置包括第五驱动电机、第五传动带、第五导轨和第五连接件,所述第五驱动电机与所述系统控制模块电连接;所述第五驱动电机通过所述第五传动带带动所述第五连接件沿第五导轨移动,所述穿刺驱动装置安装于所述第五连接件上;所述取样位、缓冲液仓、混匀杯和上样位沿所述第五导轨设置。
上述取样驱动装置带动穿刺针驱动装置在取样位、缓冲液仓、混匀杯和上样位之间移 动,再通过穿刺针驱动装置,使穿刺针准确的吸取位于取样位样本管内待测样品、装于缓冲液仓内的缓冲液至混匀杯内,在充分混匀后,再吸取经稀释的样本至上样位,在试剂卡的预定位置上样。
在其中一个实施例中,所述试剂卡仓包括第六驱动电机、第六传动带、第六连接件、第六导轨和至少两个用于放置试剂卡的试剂卡槽,所述第六驱动电机与所述系统控制模块电连接;至少两个所述试剂卡槽并排安装于所述第六连接件上,且该至少两个所述试剂卡槽的试剂卡出口设于该试剂卡槽底部,所述第六驱动电机能够通过所述第六传动带带动所述第六连接件沿所述第六导轨移动,使所述试剂卡输送装置对应于不同的试剂卡槽出口;
所述试剂卡输送装置包括第七驱动电机、第七传动带、第七连接件和第七导轨,所述第七驱动电机与所述系统控制模块电连接;所述第七连接件上安装有推片,所述第七驱动电机通过所述第七传动带带动所述第七连接件沿所述第七导轨移动,使所述推片将试剂卡由试剂卡槽出口推送至位于进卡位的孵育槽内。
上述试剂卡仓和试剂卡输送装置相互配合,能够流畅得将试剂卡仓内的试剂卡推送至孵育槽内,并且可通过第六驱动电机、第六传动带、第六连接件、和第六导轨的作用,使所述试剂卡输送装置对应于不同的试剂卡槽出口,可在不同试剂卡槽内装入检测不同项目的试剂卡,从而可通过选择不同的试剂卡进行不同的检测项目。
本发明还公开了一种荧光定量免疫检测方法,采用上述的全自动荧光定量免疫分析仪,包括以下步骤:
将装有待测液体样本的样本管放置于样本架上,由所述进样传送机构将该样本管由待检位运送至取样位;
在系统控制模块的控制下,所述穿刺针在所述取样驱动装置的作用下,移动至缓冲液仓,吸取定量缓冲液,再移动到取样位上方,刺破位于取样位样本管的盖子,在注射泵的主导下穿刺针吸取待测液体样本,随后在取样驱动装置的作用下由取样位移动至混匀杯,将缓冲液和待测液体样本一起注入所述混匀杯内混匀;
同时,试剂卡输送装置将位于所述试剂卡仓出口的试剂卡推动至位于进卡位的孵育槽内,该试剂卡随着转盘的转动,从进卡位转动至上样位;
控制穿刺针吸取与缓冲液混合后的样本溶液,滴加至上述位于上样位的试剂卡上;
上述滴加样本溶液的试剂卡孵育进行免疫层析反应后,随着转盘的转动,从上样位转动至检测位,由所述数据采集装置采集检测结果数据,并传送至系统控制模块。
荧光定量免疫检测方法,采用上述的全自动荧光定量免疫分析仪,能够实现全自动的仪器分析,提高了检测效率,并且降低了对测试者的专业要求。
在其中一个实施例中,采用上述的全自动荧光定量免疫分析仪,所述穿刺针吸取与缓冲液混合后的样本溶液,滴加至试剂卡上样后,所述穿刺针移动至清洗仓,清洗液由位于清洗仓底部的清洗液进液口进入清洗仓,并在排出仓的负压作用下,由清洗仓上部的排液口流出,对所述穿刺针外壁进行清洗;并且,清洗液在排出仓的负压作用下,由穿刺针的针口进入穿刺针内部通道,对所述穿刺针内壁进行清洗。
通过上述清洗装置的作用,无需使用一次性吸液枪头(Tip头)等耗材,具有成本低、绿色环保的优点。
在其中一个实施例中,采用上述的全自动荧光定量免疫分析仪,试剂卡在检测位由所 述数据采集装置采集检测结果数据后,随着转盘的转动,从检测位转动至踢卡位,所述踢卡件推动位于踢卡位的试剂卡向转盘边缘滑动直至该试剂卡滑出孵育槽,随后该空置的孵育槽可随转盘转动,从踢卡位再次转动至进卡位,供后续检测用。
在其中一个实施例中,采用上述的全自动荧光定量免疫分析仪,将装有需要即时测定的待测液体样本的样本管放置于急诊架后,在系统控制模块的控制下,所述穿刺针移动至所述急诊架,并向下移动刺破位于急诊架样本管的盖子,吸取该液体样本进行后续检测。通过急诊架的设置,可以优先处理急诊架的样本进行检测,使该全自动荧光定量免疫分析仪既能够实现全自动化检测分析,又支持了紧急样本的处理,具有自动化程度高、灵活的优点。
在其中一个实施例中,采用上述的全自动荧光定量免疫分析仪,缓冲液和待测液体样本一起注入所述混匀杯内后,控制所述气体发生装置产生气体,开启所述气体阀,往混匀杯内充入空气,在混匀杯的液体中形成气泡,通过气泡的上浮和破裂,对样本进行充分混匀。
与现有技术相比,本发明具有以下有益效果:
本发明的一种全自动荧光定量免疫分析仪,在系统控制模块的控制下,进样装置、孵育装置、取样装置、数据采集装置、试剂卡装置和系统控制模块有机的结合在一起,各装置相互配合,共同实现了自动进行免疫定量分析的目的。
只需操作者将待测样本放置于进样平台上,不需摇匀,也不需要开盖,预稀释等操作,仅需在系统控制模块的输入模块中设置好待测项目,即可开始分析仪自动检测。
并且,还通过清洗装置的使用,取消了一次性耗材的使用,降低了成本,具有绿色环保的优点;通过气泡的上升和破裂对混匀杯内的液体进行混匀等。各部件相互配合,相互协调,进一步提高了该分析仪的自动化程度和性能。
本发明的一种荧光定量免疫检测方法,采用上述的全自动荧光定量免疫分析仪,实现了全自动仪器分析,提高了检测效率,并且降低了对测试者的专业要求。
附图说明
图1为实施例中全自动荧光定量免疫分析仪爆炸图;
图2为实施例中全自动荧光定量免疫分析仪结构示意图;
图3为实施例中全自动荧光定量免疫分析仪俯视图;
图4为实施例中进样装置结构示意图;
图5为第一传送机构结构示意图;
图6为第二传送机构结构示意图;
图7为急诊架结构示意图;
图8为孵育装置结构示意图;
图9为踢卡机构结构示意图;
图10为注射泵结构示意图;
图11为混匀杯结构示意图;
图12为取样驱动装置和穿刺针驱动装置结构示意图;
图13为缓冲液仓结构示意图;
图14为混匀原理示意图;
图15为试剂卡仓结构示意图;
图16为试剂卡输送装置结构示意图;
图17为摇匀装置结构示意图;
其中:100.进样装置;110.样本架;111.限位槽;112.限位凸;120.进样平台;130.第二进样传送机构;140.第一进样传送机构;141.第一推块;142.回转弹簧;150.急诊架;161.卸载平台;200.孵育装置;210.转盘;211.孵育槽;220.进卡位;230.上样位;240.检测位;250.踢卡位;251.第三传动带;252.踢卡件;253.第三导轨;260.废卡仓;300.取样装置;310.穿刺针;320.穿刺驱动装置;330.取样驱动装置;340.混匀杯;350.缓冲液仓;360.取样位;371.气体发生装置;372.排液泵;373.气体管路;374.排液管;375.气体阀;376.排液阀;377.负压罐;400.数据采集装置;510.试剂卡仓;511.试剂卡槽;520.试剂卡输送装置;521.第七传动带;522.第七导轨;523.推片;600.信息读取装置;700.摇匀装置;710.夹持装置;720.运动装置;730.提升装置。
具体实施方式
为了便于理解本发明,下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施例。但是,本发明可以以许多不同的形式来实现,并不限于本文所描述的实施例。相反地,提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。
需要说明的是,当元件被称为“固定于”另一个元件,它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连通”另一个元件,它可以是直接连通到另一个元件或者可能同时存在居中元件。
除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在于限制本发明。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
一种全自动荧光定量免疫分析仪,如图1-3所示,包括:进样装置100,孵育装置200,取样装置300,数据采集装置400,试剂卡装置和系统控制模块。
如图4所示,进样装置包括用于放置样本管的样本架110、进样平台120、进样传送机构,所述样本架110置于所述进样平台120上,并可在所述进样传送机构的作用下将样本管由待检位运送至取样位360。
在本实施例中,所述样本架110上设有限位槽111,所述进样平台120上设有与所述限位槽111相配合的限位凸112,所述限位凸112沿所述样本架110移动方向设置。通过将限位凸112卡入限位槽111内,可防止样本架110出现倒置、倾覆的危险。
在本实施例中,所述进样传送机构包括第一传送机构140和第二传送机构130。
如图5所示,所述第一传送机构140包括第一驱动电机、第一传动带、第一推块141和第一导轨,所述第一驱动电机通过所述第一传动带带动所述第一推块141沿所述第一导轨移动。如图6所示,所述第二传送机构130包括第二驱动电机、第二传动带、第二推块 和第二导轨,所述第二驱动电机通过所述第二传动带带动所述第二推块沿所述第二导轨移动。所述第一驱动电机和所述第二驱动电机均与所述系统控制模块电连接。
所述第一导轨与所述第二导轨沿相互垂直的方向设置,且所述第一导轨与所述第二导轨均在水平方向设置,即第一传送机构140和第二传送机构130分别推动样本架110在水平方向的X轴和Y轴运动,所述样本架110能够在所述第一推块141的推动下从待检位纵向移动至所述第二推块,再在第二推块的推动下横向移动至取样位360。
可以理解的,传送机构也可采取如机械手等的其他方式搭建,仅需能够将将样本管由待检位运送至取样位即可。但是上述结构具有结构稳定、可靠的优点。
在本实施例中,所述第一传送机构还包括横杆和回转弹簧142,所述横杆安装于所述第一传动带上,所述第一推块141有两块,分别与所述样本架110两端相对应,并且两块所述第一推块141可转动的安装于所述横杆两端,所述回转弹簧142两端分别固定于所述横杆和所述第一推块141上。当所述第一推块141沿所述第一导轨正向移动时,所述第一推块141抵靠于所述样本架110上,推动所述样本架110移动;当所述第一推块141沿所述第一导轨反向移动时,所述第一推块141受到所述样本架110的阻挡向样本架外侧旋转,此时所述回转弹簧142拉伸,当所述第一推块141离开该样本架时,所述第一推块141在所述回转弹簧142的作用下回复原位。该连接回转弹簧142的第一推块141可将样本架卡住往前推送,复位时该第一推块脱离样本架卡位,受弹簧作用收到一边,重新推送下一个样本架。
考虑到临床检测中需要面临紧急样本处理的需求,在本实施例中,所述进样装置还包括用于放置急诊样本管的急诊架150,如图7所示,所述急诊架150设于所述取样位360旁侧,所述穿刺针310能够在所述取样驱动装置330的作用下在急诊架150、取样位360、缓冲液仓350、混匀杯340和上样位230之间移动。
通过急诊架的设置,可以优先处理急诊架的样本进行检测,使该全自动荧光定量免疫分析仪既能够实现全自动化检测分析,又支持了紧急样本的处理,具有自动化程度高、灵活的优点。
为了实现流水式的检测,在本实施例中,所述进样装置还包括卸载设备,如图4所示,所述卸载设备包括卸载平台161、卸载驱动电机和卸载推块,所述卸载驱动电机驱动所述卸载推块移动;经过取样位360的样本架110在所述卸载推块的推动下移动至所述卸载平台161上,所述卸载平台161边缘设有限位栏。通过该卸载设备的使用,将检测完的样本卸载,再安置到进样平台,进行后续进样检测,实现了流水式的检测方式,具有检测效率高且方便的优点。
如图8所示,孵育装置200包括转盘210和转盘驱动机构,所述转盘210的径向设有若干容纳试剂卡的孵育槽211,所述孵育槽211的一端延伸至所述转盘210的边缘,所述转盘210能够在所述转盘驱动机构的带动下围绕转盘中心旋转,使所述孵育槽211旋转至不同角度而位于进卡位220、上样位230、检测位240或踢卡位250。
在本实施例中,所述转盘驱动机构还包括码盘、转盘驱动电机、主动轮、减速从动轮,所述转盘驱动电机通过所述主动轮、所述减速从动轮传动转盘210,所述系统控制模块通过所述码盘控制所述转盘的转动角度。从而精准控制转盘210的转动角度,提高仪器的整体配合度和精准性。
所述孵育槽211内设有限位弹片,所述限位弹片设置于孵育槽211内侧壁,用于将试剂卡位置固定。将限位弹片设置于孵育槽的内侧壁,既能够很好的固定试剂卡,又不妨碍试剂卡在该孵育槽的滑入及滑出。
在本实施例中,所述孵育装置还包括踢卡机构、废卡仓260和温控装置。
如图9所示,所述踢卡机构包括第三驱动电机、第三传动带251、踢卡件252和第三导轨253,所述第三驱动电机与所述系统控制模块电连接;所述第三驱动电机通过所述第三传动带251带动所述踢卡件252沿所述第三导轨253移动,所述踢卡件252设置于与所述踢卡位250相对应的位置,所述第三导轨253沿所述转盘的径向设置,使所述踢卡件252可推动位于踢卡位250的试剂卡在所述孵育槽211内向转盘210边缘滑动。所述废卡仓260的开口设于所述转盘210边缘,并与所述踢卡位250相对应。
通过踢卡机构的作用,将检测后的废试剂卡踢出孵育槽211,空出孵育槽位,待后续检测自动装入新的试剂卡。被踢出的废试剂卡则直接进入废卡仓260内,保证环境清洁。
所述孵育装置200还包括温控装置,所述温控装置包括加热件、温度传感器和用于避免持续加热的过热开关。通过温控装置的使用,精密控制孵育装置的温度,达到更好的孵育效果。
取样装置300包括穿刺针310、穿刺驱动装置320、取样驱动装置330、取样管、取样阀、注射泵(如图10所示)、用于样品混合的混匀杯340(如图11所示)和存放缓冲液的缓冲液仓350,所述穿刺针310通过所述取样管连接所述注射泵,所述取样阀设置于所述取样管上,所述穿刺针310安装于所述穿刺驱动装置320上,并在该穿刺驱动装置320的作用下可上下移动进行穿刺,所述穿刺驱动装置320安装于所述取样驱动装置330上,并能够在该取样驱动装置330的作用下使所述穿刺针310在取样位360、缓冲液仓350、混匀杯340和上样位230之间切换。
并且,采用穿刺针吸取液体样本,无需将样本管盖子打开,从而避免全血样本暴露在空气产生分层的问题。
在本实施例中,如图12所示,所述穿刺针驱动装置320包括第四驱动电机、第四传动带、第四导轨和第四连接件,所述第四驱动电机与所述系统控制模块电连接;所述第四驱动电机通过所述第四传动带带动所述第四连接件沿第四导轨移动,所述第四导轨沿竖直方向设置,所述穿刺针安装于所述第四连接件上;为了便于穿刺针的刺入,所述样品管的盖子上应设置软质的橡胶材料制成的穿刺区域。
所述取样驱动装置330包括第五驱动电机、第五传动带、第五导轨和第五连接件,所述第五驱动电机与所述系统控制模块电连接;所述第五驱动电机通过所述第五传动带带动所述第五连接件沿第五导轨移动,所述穿刺驱动装置320安装于所述第五连接件上;所述急诊架150、取样位360、缓冲液仓350、混匀杯340和上样位230沿所述第五导轨延伸方向设置。
上述取样驱动装置330带动穿刺针驱动装置320在清洗仓、取样位360、缓冲液仓350、混匀杯340和上样位230之间移动,再通过穿刺针驱动装置320,使穿刺针准确的吸取位于取样位360样本管内待测样品、装于缓冲液仓350内的缓冲液至混匀杯内,在充分混匀后,再吸取经稀释的样本至上样位230在试剂卡的预定位置上样。
如图13所示,所述缓冲液仓350具有六个仓位,其中四个供放置与不同类型试剂卡 对应的缓冲液,其余两个则放置酸、碱清洗液。还可以根据实际需要调整仓位的数量。并且,当缓冲液用完后,启动该缓冲液仓的提醒功能,发出信号,以便操作人员及时补充。
在本实施例中,如图14所示,所述取样装置300还包括混匀装置,该混匀装置包括气体发生装置371、排液泵372、气体管路373、排液管374、气体阀375和排液阀376,所述气体发生装置371、排液泵372、气体阀375和排液阀376均与所述系统控制模块电连接;所述混匀杯340(如图11所示)底部与所述气体发生装置371通过所述气体管路373连接,所述气体阀375设于该气体管路373上,所述混匀杯340底部通过所述排液泵372与所述排液管374连通,所述排液阀376设于该排液管374上。往混匀杯340内充入空气,在混匀杯的液体中形成气泡,通过气泡的上浮和破裂,对样本进行充分混匀。
在本实施例中,所述混匀装置还包括负压罐377,所述负压罐377安装于所述排液泵372和所述排液阀376之间的管路上。通过负压罐377储存负压,避免排液泵372处于常开状态,以延长排液泵的使用寿命。
数据采集装置400包括光源模块、光电转换模块,所述光源模块对位于检测位的试剂卡预设区域发射预定波长的激发光,所述光电转换模块收集该试剂卡发出的散射光并转换为电信号。该数据采集装置按照常规技术设置即可。
试剂卡装置包括试剂卡仓510和试剂卡输送装置520,所述试剂卡输送装置520将位于所述试剂卡仓出口的试剂卡推送至位于进卡位220的所述孵育槽211内。
在本实施例中,如图15所示,所述试剂卡仓510包括第六驱动电机、第六传动带、第六连接件、第六导轨和四个用于放置试剂卡的试剂卡槽511,所述第六驱动电机与所述系统控制模块电连接;四个所述试剂卡槽511并排安装于所述第六连接件上,且该四个所述试剂卡槽511的试剂卡出口设于该试剂卡槽511底部,所述第六驱动电机能够通过所述第六传动带带动所述第六连接件沿所述第六导轨移动,使所述试剂卡输送装置520对应于不同的试剂卡槽出口;
如图16所示,所述试剂卡输送装置520包括第七驱动电机、第七传动带521、第七连接件和第七导轨522,所述第七驱动电机与所述系统控制模块电连接;所述第七连接件上安装有推片523,所述第七驱动电机通过所述第七传动带521带动所述第七连接件沿所述第七导轨522移动,使所述推片523将试剂卡由试剂卡槽511出口推送至位于进卡位220的孵育槽210内。
上述试剂卡仓510和试剂卡输送装置520相互配合,能够流畅得将试剂卡仓510内的试剂卡推送至孵育槽210内,并且可通过第六驱动电机、第六传动带、第六连接件、和第六导轨的作用,使所述试剂卡输送装置520对应于不同的试剂卡槽出口,可在不同试剂卡槽内装入检测不同项目的试剂卡,从而可通过选择不同的试剂卡进行不同的检测项目。
所述试剂卡槽内设有与相应检测项目试剂卡上设有的缺口相匹配的棱,用以限定试剂卡的类型和放置方向,为后续检测的准确性提供保障。可以理解的,上述棱可采用任何形状,如三角形等,仅需与相应试剂卡上的缺口相匹配即可。
在本实施例中,所述试剂卡仓还设有限位滑块,该限位滑块可沿导轨在所述试剂卡槽内上下滑动。当试剂卡槽中的试剂卡没有填装满整个试剂卡槽时,该限位滑块可往下滑动固定住盒中试剂卡,用来避免盒内放置试剂卡数量较少时,试剂卡发生偏斜或倒转的现象。并且,当试剂卡用完后,启动该试剂卡仓的提醒功能,发出信号,以便操作人员补充。
系统控制模块,包括输入模块、显示模块和数据处理模块,所述输入模块和所述显示模块与所述数据处理模块电连接,所述系统控制模块控制所述进样传送机构、转盘驱动机构、穿刺驱动装置320、取样驱动装置330、取样阀、注射泵、光源模块、光电转换模块和试剂卡输送装置520运行。
显示模块的主要作用是将操作指令,过程信息、测试结果显示出来,该显示模块和输入模块可集成在仪器,其主要硬件包括显示屏、触摸屏,指示灯等。数据处理模块负责整个系统的调度、控制、监测,及时进行人机交互以及故障处理,主要由硬件板卡和软件系统组成。
在本实施例中,该全自动荧光定量免疫分析仪还包括清洗装置,所述清洗装置包括清洗仓和排出仓,所述清洗仓的底部设有用于连通清洗液管路的清洗液进液口,所述清洗仓的上部设有排液口,所述排液口通过清洗液流道连通所述排出仓,所述排出仓能够与负压系统连通而具有负压将所述清洗仓内的清洗液抽出;所述清洗仓还设有空气进口和空气出口;所述穿刺针能够在清洗仓、取样位、缓冲液仓、混匀杯和上样位之间移动。
可以理解的,也可采用一次性的Tip头、稀释杯等实现杜绝各样品交叉污染的目的。但是,通过上述清洗装置的作用,无需使用一次性吸液枪头(Tip头)等耗材,具有成本低、绿色环保的优点。
在本实施例中,该全自动荧光定量免疫分析仪还包括信息读取装置600,所述信息读取装置用于读取进入取样位的样本管的条码信息,且该信息读取装置与所述系统控制模块电连接。上述样本管的信息包括提供样本的患者资料,检测项目等。可以理解的,如无该信息读取装置,也不影响该分析仪的检测分析工作。但以信息读取装置读取待测样本管的信息,从而调用相应的项目检测程序,可以在一台分析仪上进行不同的项目检测。
在本实施例中,该全自动荧光定量免疫分析仪还包括摇匀装置700,所述进样传送机构将样本管由待检位依次运送至摇匀位和取样位;如图17所示,所述摇匀装置700包括用于夹持位于摇匀位的样本管的夹持装置710、用于摇晃样本管的运动装置720和提升装置730,所述运动装置720一端连接夹持装置710,另一端连接提升装置730,所述运动装置720和所述夹持装置710可在所述提升装置730的作用下在竖直方向上下移动,所述运动装置720和提升装置730与所述系统控制模块电连接。通过上述摇匀装置的使用,将待测液体样本在取样前充分混匀,提高了检测准确性。
在本实施例中,所述夹持装置710包括样本管夹和连接件,所述摇匀装置设有销钉限位。可以防止样品管在摇匀过程中与机架或者其它器部件运动中碰撞干扰。并且所述样本管夹由硬质弹性材料制成,以适应不同尺寸的样本管。
采用本实施例的全自动荧光定量免疫分析仪进行荧光定量免疫检测,各流程步骤如下:
将装有待测液体样本的样本管放置于样本架上,由所述进样传送机构将该样本管由待检位运送至取样位;
在系统控制模块的控制下,所述穿刺针310在所述取样驱动装置330的作用下,移动至缓冲液仓350,吸取定量缓冲液,再移动到取样位360上方,刺破位于取样位样本管的盖子,在注射泵的主导下穿刺针310吸取待测液体样本,随后在取样驱动装置330的作用 下由取样位360移动至混匀杯340,将缓冲液和待测液体样本一起注入所述混匀杯340内;
所述气体发生装置371产生气体,开启所述气体阀375,往混匀杯340内充入空气,在混匀杯340的液体中形成气泡,通过气泡的上浮和破裂,对样本进行充分混匀。
同时,试剂卡输送装置520将位于所述试剂卡仓510出口的试剂卡推动至位于进卡位220的孵育槽211内,该试剂卡随着转盘210的转动,从进卡位220转动至上样位230;
控制穿刺针210吸取与缓冲液混合后的样本溶液,滴加至上述位于上样位230的试剂卡上;
上述滴加样本溶液的试剂卡孵育进行免疫层析反应后,随着转盘210的转动,从上样位230转动至检测位240,由所述数据采集装置400采集检测结果数据,并传送至系统控制模块。
随后,该已检测的试剂卡在检测位240由所述数据采集装置400采集检测结果数据后,随着转盘210的转动,从检测位240转动至踢卡位250,所述踢卡件252推动位于踢卡位250的试剂卡向转盘210边缘滑动直至该试剂卡滑出孵育槽211,随后该空置的孵育槽211可随转盘210转动,从踢卡位250再次转动至进卡位220,供后续检测用。
在仪器连续周期检测过程中,如有需要紧急处理的样本,则将装有需要即时测定的待测液体样本的样本管放置于急诊架150后,在系统控制模块的控制下,所述穿刺针310移动至所述急诊架150,并向下移动刺破位于急诊架150样本管的盖子,吸取该液体样本进行后续检测。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (16)

  1. 一种全自动荧光定量免疫分析仪,其特征在于,包括:
    进样装置,包括用于放置样本管的样本架、进样平台、进样传送机构,所述样本架置于所述进样平台上,并可在所述进样传送机构的作用下将样本管由待检位运送至取样位;
    孵育装置,包括转盘和转盘驱动机构,所述转盘的径向设有若干容纳试剂卡的孵育槽,所述孵育槽的一端延伸至所述转盘的边缘,所述转盘能够在所述转盘驱动机构的带动下旋转,使所述孵育槽旋转至不同角度而位于进卡位、上样位或检测位;
    取样装置,包括穿刺针、穿刺驱动装置、取样驱动装置、取样管、取样阀、注射泵、用于样品混合的混匀杯和存放缓冲液的缓冲液仓,所述穿刺针通过所述取样管连接所述注射泵,所述取样阀设置于所述取样管上,所述穿刺针安装于所述穿刺驱动装置上,并可在该穿刺驱动装置的作用下上下移动进行穿刺,所述穿刺驱动装置安装于所述取样驱动装置上,并能够在该取样驱动装置的作用下使所述穿刺针在取样位、缓冲液仓、混匀杯和上样位之间切换;
    试剂卡装置,包括试剂卡仓和试剂卡输送装置,所述试剂卡输送装置将位于所述试剂卡仓出口的试剂卡推送至位于进卡位的所述孵育槽内;
    数据采集装置,包括光源模块及光电转换模块,所述光源模块对位于检测位的试剂卡预设区域发射预定波长的激发光,所述光电转换模块收集该试剂卡发出的散射光并转换为电信号;以及
    系统控制模块,包括输入模块、显示模块和数据处理模块,所述输入模块和所述显示模块与所述数据处理模块电连接,所述系统控制模块控制所述进样传送机构、转盘驱动机构、穿刺驱动装置、取样驱动装置、取样阀、注射泵、光源模块、光电转换模块和试剂卡输送装置运行。
  2. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,还包括清洗装置,所述清洗装置包括清洗仓和排出仓,所述清洗仓的底部设有用于连通清洗液管路的清洗液进液口,所述清洗仓的上部设有排液口,所述排液口通过清洗液流道连通所述排出仓,所述排出仓能够与负压系统连通而具有负压将所述清洗仓内的清洗液抽出;所述清洗仓还设有空气进口和空气出口;
    所述穿刺针能够在清洗仓、取样位、缓冲液仓、混匀杯和上样位之间移动。
  3. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,还包括信息读取装置,所述信息读取装置用于读取进入取样位的样本管的信息,且该信息读取装置与所述系统控制模块电连接。
  4. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,还包括摇匀装置,所述进样传送机构将样本管由待检位依次运送至摇匀位和取样位;所述摇匀装置包括用于夹持位于摇匀位的样本管的夹持装置、用于摇晃样本管的运动装置和提升装置,所述运动装置一端连接夹持装置,另一端连接提升装置,所述运动装置和所述夹持装置可在所述提升装置的作用下在竖直方向上下移动;
    所述运动装置和提升装置与所述系统控制模块电连接。
  5. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,所述进样传送机构包括第一传送机构和第二传送机构;
    所述第一传送机构包括第一驱动电机、第一传动带、第一推块和第一导轨,所述第一驱动电机通过所述第一传动带带动所述第一推块沿所述第一导轨移动;
    所述第二传送机构包括第二驱动电机、第二传动带、第二推块和第二导轨,所述第二驱动电机通过所述第二传动带带动所述第二推块沿所述第二导轨移动;
    所述第一驱动电机和所述第二驱动电机均与所述系统控制模块电连接;
    所述第一导轨与所述第二导轨沿相互垂直的方向设置,且所述第一导轨与所述第二导轨均在水平方向设置,所述样本架能够在所述第一推块的推动下从待检位移动至所述第二推块,再在第二推块的推动下移动至取样位。
  6. 根据权利要求5所述的全自动荧光定量免疫分析仪,其特征在于,所述第一传送机构还包括横杆和回转弹簧,所述横杆安装于所述第一传动带上,所述第一推块有两块,分别与所述样本架两端相对应,并且两块所述第一推块可转动的安装于所述横杆两端,所述回转弹簧两端分别固定于所述横杆和所述第一推块上。
  7. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,所述进样装置还包括用于放置急诊样本管的急诊架,所述急诊架设于所述取样位旁侧,所述穿刺针能够在所述取样驱动装置的作用下在急诊架、取样位、缓冲液仓、混匀杯和上样位之间移动。
  8. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,所述转盘能够在所述转盘驱动机构的带动下旋转,使所述孵育槽旋转至不同角度而位于进卡位、上样位、检测位或踢卡位;
    所述孵育装置还包括踢卡机构,所述踢卡机构包括第三驱动电机、第三传动带、踢卡件和第三导轨,所述第三驱动电机与所述系统控制模块电连接;所述第三驱动电机通过所述第三传动带带动所述踢卡件沿所述第三导轨移动,所述踢卡件设置于与所述踢卡位相对应的位置,所述第三导轨沿所述转盘的径向设置,所述踢卡件可推动位于踢卡位的试剂卡在所述孵育槽内向转盘边缘滑动。
  9. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,所述取样装置还包括混匀装置,该混匀装置包括气体发生装置、排液泵、气体管路、排液管、气体阀和排液阀,所述气体发生装置、排液泵、气体阀和排液阀均与所述系统控制模块电连接;所述混匀杯底部与所述气体发生装置通过所述气体管路连接,所述气体阀设于该气体管路上,所述混匀杯底部通过所述排液泵与所述排液管连通,所述排液阀设于该排液管上。
  10. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,所述穿刺驱动装置包括第四驱动电机、第四传动带、第四导轨和第四连接件,所述第四驱动电机与所述系统控制模块电连接;所述第四驱动电机通过所述第四传动带带动所述第四连接件沿第四导轨移动,所述第四导轨沿竖直方向设置,所述穿刺针安装于所述第四连接件上;
    所述取样驱动装置包括第五驱动电机、第五传动带、第五导轨和第五连接件,所述第五驱动电机与所述系统控制模块电连接;所述第五驱动电机通过所述第五传动带带动所述第五连接件沿第五导轨移动,所述穿刺驱动装置安装于所述第五连接件上;所述取样位、缓冲液仓、混匀杯和上样位沿所述第五导轨设置。
  11. 根据权利要求1所述的全自动荧光定量免疫分析仪,其特征在于,
    所述试剂卡仓包括第六驱动电机、第六传动带、第六连接件、第六导轨和至少两个用于放置试剂卡的试剂卡槽,所述第六驱动电机与所述系统控制模块电连接;至少两个所述 试剂卡槽并排安装于所述第六连接件上,且该至少两个所述试剂卡槽的试剂卡出口设于该试剂卡槽底部,所述第六驱动电机能够通过所述第六传动带带动所述第六连接件沿所述第六导轨移动,使所述试剂卡输送装置对应于不同的试剂卡槽出口;
    所述试剂卡输送装置包括第七驱动电机、第七传动带、第七连接件和第七导轨,所述第七驱动电机与所述系统控制模块电连接;所述第七连接件上安装有推片,所述第七驱动电机通过所述第七传动带带动所述第七连接件沿所述第七导轨移动,使所述推片将试剂卡由试剂卡槽出口推送至位于进卡位的孵育槽内。
  12. 一种荧光定量免疫检测方法,其特征在于,采用权利要求1所述的全自动荧光定量免疫分析仪,包括以下步骤:
    将装有待测液体样本的样本管放置于样本架上,由所述进样传送机构将该样本管由待检位运送至取样位;
    在系统控制模块的控制下,所述穿刺针在所述取样驱动装置的作用下,移动至缓冲液仓,吸取定量缓冲液,再移动到取样位上方,刺破位于取样位样本管的盖子,在注射泵的主导下穿刺针吸取待测液体样本,随后在取样驱动装置的作用下由取样位移动至混匀杯,将缓冲液和待测液体样本一起注入所述混匀杯内混匀;
    同时,试剂卡输送装置将位于所述试剂卡仓出口的试剂卡推动至位于进卡位的孵育槽内,该试剂卡随着转盘的转动,从进卡位转动至上样位;
    控制穿刺针吸取与缓冲液混合后的样本溶液,滴加至上述位于上样位的试剂卡上;
    上述滴加样本溶液的试剂卡孵育进行免疫层析反应后,随着转盘的转动,从上样位转动至检测位,由所述数据采集装置采集检测结果数据,并传送至系统控制模块。
  13. 根据权利要求1所述的荧光定量免疫检测方法,其特征在于,采用权利要求2所述的全自动荧光定量免疫分析仪,所述穿刺针吸取与缓冲液混合后的样本溶液,滴加至试剂卡上样后,所述穿刺针移动至清洗仓,清洗液由位于清洗仓底部的清洗液进液口进入清洗仓,并在排出仓的负压作用下,由清洗仓上部的排液口流出,对所述穿刺针外壁进行清洗;并且,清洗液在排出仓的负压作用下,由穿刺针的针口进入穿刺针内部通道,对所述穿刺针内壁进行清洗。
  14. 根据权利要求1所述的荧光定量免疫检测方法,其特征在于,采用权利要求7所述的全自动荧光定量免疫分析仪,将装有需要即时测定的待测液体样本的样本管放置于急诊架后,在系统控制模块的控制下,所述穿刺针移动至所述急诊架,并向下移动刺破位于急诊架样本管的盖子,吸取该液体样本进行后续检测。
  15. 根据权利要求1所述的荧光定量免疫检测方法,其特征在于,采用权利要求8所述的全自动荧光定量免疫分析仪,试剂卡在检测位由所述数据采集装置采集检测结果数据后,随着转盘的转动,从检测位转动至踢卡位,所述踢卡件推动位于踢卡位的试剂卡向转盘边缘滑动直至该试剂卡滑出孵育槽,随后该空置的孵育槽可随转盘转动,从踢卡位再次转动至进卡位,供后续检测用。
  16. 根据权利要求1所述的荧光定量免疫检测方法,其特征在于,采用权利要求9所述的全自动荧光定量免疫分析仪,缓冲液和待测液体样本一起注入所述混匀杯内后,控制所述气体发生装置产生气体,开启所述气体阀,往混匀杯内充入空气,在混匀杯的液体中形成气泡,通过气泡的上浮和破裂,对样本进行充分混匀。
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