WO2016000216A1 - 一种全血样本检测方法及血液检测仪 - Google Patents
一种全血样本检测方法及血液检测仪 Download PDFInfo
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- WO2016000216A1 WO2016000216A1 PCT/CN2014/081426 CN2014081426W WO2016000216A1 WO 2016000216 A1 WO2016000216 A1 WO 2016000216A1 CN 2014081426 W CN2014081426 W CN 2014081426W WO 2016000216 A1 WO2016000216 A1 WO 2016000216A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/49—Blood
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
-
- 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
- G01N35/02—Automatic 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
- G01N35/04—Details of the conveyor system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
-
- 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
- G01N35/02—Automatic 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
- G01N35/04—Details of the conveyor system
- G01N2035/0474—Details of actuating means for conveyors or pipettes
- G01N2035/0491—Position sensing, encoding; closed-loop control
- G01N2035/0493—Locating samples; identifying different tube sizes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/435—Assays involving biological materials from specific organisms or of a specific nature from animals; from humans
- G01N2333/46—Assays involving biological materials from specific organisms or of a specific nature from animals; from humans from vertebrates
- G01N2333/47—Assays involving proteins of known structure or function as defined in the subgroups
- G01N2333/4701—Details
- G01N2333/4737—C-reactive protein
Definitions
- the present invention relates to the field of blood detection and analysis, and particularly relates to a whole blood sample detecting method and a blood detecting instrument, which are used for supporting a single machine using a whole blood sample for routine blood cell detection and CRP detection. Background technique
- Blood cell counting and classification are generally performed on blood cell analysis using whole blood samples.
- CRP is measured on a biochemical analysis or a specialty protein analyzer using serum samples. Since blood routines and CRP are often used in combination in clinical practice, the hospital currently needs to collect two samples on the patient or increase the amount of blood collected, and test them on different machines. This causes great pain to the patient and needs to be detected on two machines, which is troublesome to check.
- the present application proposes a whole blood sample detecting method and a blood detecting instrument, which can use the same sample to quickly complete measurement of blood routine parameters and CRP parameters on the same machine.
- the present application provides a blood tester comprising: a blood routine measurement module, a C-reactive protein measurement module, a sample collection and distribution module, a liquid path support module, and a control and information processing module;
- the blood routine measurement module is configured to provide a measurement site for the assigned sample, perform measurement for the purpose of obtaining at least one blood routine parameter, and output the measurement result;
- c Reaction protein measurement module comprises: at least two measurement containers for providing a measurement site for the assigned sample, and at least one set of detection devices, at least one set of detection devices respectively performing samples in the measurement container to obtain C-reactive protein parameters For the purpose of measuring and outputting the measurement results;
- the sample collection and distribution module is used for collecting whole blood samples, and assigning the collected samples to the blood routine measurement module and the C-reactive protein measurement module;
- the liquid path support module provides liquid path support for the sample collection and distribution module and each measurement module; the control and information processing modules are respectively coupled to the sample collection and distribution module, each measurement module and the liquid path support module for controlling the sample collection And the distribution module collects the sample and the distribution sample, and the control liquid path support module performs fluid transportation, receives the measurement result output by each measurement module, and processes the measurement result.
- the present application provides another blood tester comprising: a blood routine measurement module, a C-reactive protein measurement module, a sample collection and distribution module, a liquid path support module, and a control and information processing module;
- the blood routine measurement module is configured to provide a measurement site for the assigned sample, perform a measurement for the purpose of obtaining at least one blood routine parameter, and output the measurement result;
- the C-reactive protein measurement module is used to provide a measurement site for the assigned sample, a measurement for the purpose of obtaining the c-reactive protein parameter for the assigned sample, and a measurement result, and the C-reactive protein measurement module includes a plurality of measurement channels, each The measurement channel includes a measurement container; the sample collection and distribution module is configured to collect the whole blood sample, and distribute the collected sample to the blood routine measurement module and the C-reactive protein measurement module;
- the liquid path support module provides liquid path support for the sample collection and distribution module and each measurement module; the control and information processing modules are respectively coupled to the sample collection and distribution module, each measurement module and the liquid path support module for controlling the sample collection And the distribution module collects the sample and the distribution sample, and the control liquid path support module performs fluid transportation, receives the measurement result output by each measurement module, and processes the measurement result.
- the present application provides a method for detecting a whole blood sample by a blood tester, including:
- the sample collection step, the sample collection and distribution module collects the whole blood sample
- the blood routine measurement step the blood routine measurement module performs the assigned sample to obtain at least A blood routine parameter is the purpose of the measurement and outputs the measurement result;
- the C-reactive protein measuring step the C-reactive protein measuring module performs measurement for the purpose of obtaining c-reactive protein parameters on the assigned sample and outputs the measurement result.
- the blood tester since the blood tester combines the blood routine measurement module and the C-reactive protein measurement module, the measurement of the blood routine parameter and the CRP parameter can be performed on the same machine, avoiding twice. Or multiple sample collections, alleviating the patient's pain, and avoiding the blood routine parameters and CRP parameters must be measured on different machines, reducing the trouble of measurement; on the other hand, the C-reactive protein measurement module is configured with at least two measurement containers. / Multiple measurement channels, it is possible to improve the measurement efficiency of CRP parameters; Since the measurement time of CRP parameters is longer than the measurement time of blood routine parameters, the CRP parameter measurement efficiency is obtained when two measurements are continuously performed on multiple samples on a single machine. The improvement can effectively improve the overall measurement efficiency.
- each channel in the C-reactive protein measurement module is measured in turn, eliminating the influence of the measurement time of the CRP parameter longer than the 'J amount time of the blood routine parameter on the whole measurement efficiency.
- FIG. 1 is a sectional view of a blood detector disclosed in Embodiment 1 of the present application
- FIG. 2 is a block diagram showing the structure of a blood detector disclosed in Embodiment 1 of the present application
- FIG. 3 is a C-reactive protein measurement of Embodiment 1 of the present application. Another structural block diagram of the module
- FIG. 4 is a schematic diagram of a sample continuous measurement strategy according to Embodiment 1 of the present application;
- FIG. 5 is a schematic structural diagram of a sample collection and distribution module according to Embodiment 1 of the present application.
- FIG. 6a and FIG. 6b are schematic diagrams of sample allocation of a sample collection and distribution module according to Embodiment 1 of the present application;
- 6a is a schematic diagram of a sample size of a one-time collection of the embodiment 1 of the present application.
- Figure 6b is a schematic view showing the sample size after the first allocation of the embodiment 1 of the present application.
- FIG. 7 is a top plan view of an automatic sample introduction module according to Embodiment 2 of the present application.
- FIG. 8 is a schematic diagram showing the structure of a latex reagent storage module according to Embodiment 3 of the present application.
- Fig. 9 is a flow chart showing the method for detecting whole blood samples in the third embodiment of the present application. detailed description
- the CRP parameter measurement function and the blood routine measurement function are integrated into the same blood tester, and both the CRP measurement and the blood routine measurement use the whole blood sample, CRP measurement.
- the amount is obtained by first mixing a whole blood sample and a hemolytic agent, and then adding a latex reagent. ⁇
- the measurement time of the CRP parameter is longer than the measurement time of the blood routine parameter. For example, for the same sample, the blood routine parameter measurement takes 1 minute, while the CRP parameter measurement takes 2 minutes, if the blood is completed. Waiting for CRP parameter measurement after measurement of conventional parameters will inevitably reduce the measurement speed of blood routine parameters.
- the C-reactive protein measurement module includes a plurality of measurement channels, and during the continuous measurement of the sample, the plurality of measurement channels are pre-processed. It is assumed that the samples are added in turn and measured.
- FIG. 1 and FIG. 2 are schematic diagram of a three-dimensional structure of a blood detector
- FIG. 2 is a block diagram of a structure of a blood detector
- the arrow line in FIG. 2 is an electrical signal direction
- the solid arrow line is a liquid path.
- the blood tester includes: a blood routine measurement module 1 (not shown in FIG. 1), a C-reactive protein measurement module (hereinafter also referred to as a CRP measurement module), a sample collection and distribution module 3, and a liquid path support module 8 ( The mark is not shown in Fig. 1 and the control and information processing module 9 (the mark is not shown in Fig. 1;). among them:
- the blood routine measurement module 1 is for providing a measurement site for the assigned sample, and performing measurement for the purpose of obtaining at least one blood routine parameter for the assigned sample and outputting the measurement result.
- the blood routine measurement module 1 can be further subdivided into various sub-measurement modules according to measurement needs: WBC classification measurement module 11, WBC/HGB measurement module 12, and RBC/PLT measurement module. 13.
- the WBC classification measurement module 11 is configured to provide a place for the assigned sample to complete the reaction, and measure the five-category result of obtaining the WBC; the WBC/HGB measurement module 12 is used to complete the measurement of the WBC (white blood cell) count and the morphological parameter.
- RBC/PLT measurement module 13 is used to complete the measurement of RBC (red blood cell, red blood cell), PLT (blood platelet) and morphological parameters.
- RBC red blood cell, red blood cell
- PLT blood platelet
- the C-reactive protein measurement module 2 is for providing a measurement site for the assigned sample, and performing measurement for the purpose of obtaining the C-reactive protein parameter for the assigned sample and outputting the measurement result.
- Sample After being assigned to the C-reactive protein measurement module 2, the reaction is first carried out with the added hemolytic agent, and then the latex reagent is added to the reaction solution, and finally the photo-transmission amount or the light-scattering amount of the reaction solution added with the latex reagent is detected by photoelectric detection. And output the measurement results.
- a facility for providing a sample from a reaction, a measurement to a measurement output is collectively referred to as a measurement channel
- a measurement channel generally includes: a reaction container that can provide a reaction site for the sample and the reagent, which can be realized as The reaction liquid provides a measurement container for the measurement site, and a detection device that can measure the reaction liquid in the measurement container and output the measurement result.
- the reaction container and the measuring container can also be combined into one, which can be used as a reaction site for samples and reagents, or as a measurement site for the reaction liquid.
- the C-reactive protein measurement module includes at least two measurement containers and at least one set of detection devices to implement a plurality of measurement channels, each measurement channel including a measurement container for providing the sample to be dispensed
- the detecting device separately performs measurement for the purpose of obtaining the C-reactive protein parameter for the sample in the measuring container and outputs the measurement result. Since the C-reactive protein measurement is required, a whole blood sample, a hemolytic agent, and a latex reagent are mixed and reacted for a predetermined period of time.
- the C-reactive protein measurement module comprises at least one reaction vessel, at least two measurement vessels, and at least one set of detection devices in communication with the measurement vessel for providing a reaction to the dispensed sample and reagent At the site, after the samples and reagents to be dispensed are reacted, they are distributed to the measuring container in a predetermined order for C-reactive protein measurement.
- the reaction vessel and the detection device correspond to the measurement vessel, i.e., each measurement channel includes a reaction vessel, a detection device, and a measurement vessel.
- the reaction vessel and/or the detection device are not corresponding to the measurement vessel - for example, the number of reaction vessels and/or detection devices is less than the measurement vessel, and the reaction vessel and/or the detection device are subjected to multiple measurement channels Share.
- one measuring channel comprises a measuring vessel, a reaction vessel and/or a detection device shared with other measuring channels.
- the C-reactive protein measurement module may also have no reaction vessel, and the measurement vessel provides both a reaction site and a measurement site.
- the sample collection and distribution module 3 is used to collect whole blood samples, and distribute the collected samples to the blood routine measurement module 1 and the C reaction protein measurement module 2.
- the sample collection and distribution module 3 distributes the collected sample to the reaction vessel; when the reaction vessel is not included in the measurement channel, the sample collection and distribution module 3 assigns the collected sample to the sample Measure the valley.
- the liquid path support module 8 provides fluid path support for the sample collection and distribution module and each measurement module.
- the fluid path support module 8 typically includes: a valve, a pump, and/or a syringe
- the control and information processing module 9 is respectively coupled to the sample collection and distribution module 3, each measurement module and the liquid path support module 8, for controlling the sample collection and distribution module 3, collecting samples and distributing samples, and controlling the liquid path support module 8. The fluid is transported, the measurement results output by each measurement module are received, and the measurement results are processed.
- control and information processing module controls the sample collection and distribution module to distribute the samples collected each time to a measurement channel of the blood routine measurement module and the C-reactive protein measurement module according to a predetermined amount, and the measurement channel is based on the pre-measurement
- the rotation sequence is determined such that one of the plurality of measurement containers in the C-reactive protein measurement module obtains different distribution samples in a preset order of rotation.
- the measurement of blood routine and C-reactive protein parameters is illustrated below by a specific structure of the C-reactive protein measurement module.
- the C-reactive protein measurement module includes two measurement channels 21 and 22 , and a schematic diagram of a measurement channel of one of them is shown in FIG. 3 , and mainly includes a reaction container 221 , a sample transport line 222 , and a The measuring container 223, a detecting device, a CRP measuring cell waste liquid discharging mechanism 224, a reaction cell waste liquid discharging mechanism 225, a hemolytic agent transporting mechanism 226, the reaction container 221 and the measuring container 223 are controllably connected through the sample transporting line 222.
- the detecting device is a photodetector, and includes a light emitting end 227 and a light detecting end 228.
- the light emitting end 227 is a light source for emitting light that can illuminate the reaction container
- the light detecting end 228 is a photoelectric sensor. Receiving transmitted light passing through the reaction vessel.
- the light emitting end 227 and the light detecting end 228 are respectively disposed on opposite sides of the measuring container 223.
- the two measuring channels can use the same structure as described above, or different structures can be used. For example, there is no reaction vessel in the other measuring channel, and the reaction and measurement of the sample and reagent are completed in the measuring container.
- the scattered light passing through the measuring container can also be detected, and the position of the light emitting end and the light detecting end can be adjusted as needed.
- the basic working principle is: After starting the measurement, the sample is placed on the sample suction position, and the sample collection and distribution module 3 is used for sample suction, and then the motion component on the sample collection and distribution module 3 is moved on each measurement module.
- the required samples are respectively allocated to corresponding measurement modules, such as CRP measurement module 1, WBC classification measurement module 1 1, WBC/HGB measurement module 12, and RBC/PLT measurement module 13.
- the measurement module starts the measurement of the corresponding parameter. After the measurement is completed, it will be cleaned and enter the standby state, waiting for the start of the next measurement.
- this embodiment uses a dual-channel alternate measurement design of the CRP measurement module.
- the specific principle is as follows: The two independent CRP measurement channels, CRP first measurement channel 21 and CRP second measurement channel 22, are integrated to form a CRP measurement module 2.
- the sample of the collected sample is quantitatively distributed to all the blood conventional measurement modules and is assigned to one of the measurement channels in the CRP measurement module.
- the blood routine measurement of the next sample is started.
- the CRP measurement for each sample is alternated in sequence in two CRP measurement channels, and the CRP measurement process of the two assigned samples overlaps in time, thus enabling Each sample does not need to wait for the completion of the CRP parameter measurement of the current sample after completing the blood routine parameter measurement to initiate a blood routine measurement of the next sample.
- the blood routine and CRP parameters are simultaneously output, and all the measurement results of one sample per minute are output, thereby improving the overall test speed to achieve a high test speed of 60 samples/hour. .
- the sample collection and distribution module 3 first assigns the sample 1 to the CRP first measurement channel 21 for CRP parameter measurement of the sample 1, and then the sample collection and distribution module 3 assigns the sample 2 to the CRP second.
- the measurement channel 22 performs the CRP parameter measurement of the sample 2, and then the sample 3 is assigned to the CRP first measurement channel 21, and then the sample 4 is assigned to the CRP second measurement channel 22 for CRP parameter measurement, and so on.
- the eight samples of the set are alternately assigned to the two measurement channels (the CRP first measurement channel 21 and the CRP second measurement channel 22) in a predetermined order with the distribution module 3.
- the blood routine parameters of each sample are measured earlier than the CRP parameter lmin, but all the measurement results of the sample are output together when the CRP parameters are completed.
- the entire measurement of the first sample (sample 1) is output after 2 minutes of the first sample measurement (2 minutes due to CRP parameter measurement), after which all measurements of one sample are output every 1 min.
- the measurement channel of the CRP parameter measurement may also be multiple, and the blood routine parameter measurement consumes.
- the time and CRP parameter measurement time can also be other time.
- the sample collection and distribution module 3 includes a moving mechanism and a pick-up needle fixed to the moving mechanism, the moving mechanism driving the pick-up needle to move in the horizontal direction and the vertical direction. Please refer to FIG. 5 , which is a schematic structural diagram of an example of the sample collection and distribution module 3 in the embodiment.
- the sample collection and distribution module 3 includes: a fixed bracket 31, an X-direction guide 32, an X-direction transmission 33, a movable bracket 34, a Z-direction guide 35, a Z-direction transmission mechanism 36, a sample needle 37, and a swab 38.
- the fixing bracket 31 is connected to the fixing bracket of the detector.
- the fixing bracket of the detector can be directly used instead; the movable bracket 34 passes through the X-direction guide 32, the X-direction transmission portion 33 and the fixing bracket 31.
- the working principle of the sample collection and distribution module 3 is as follows:
- the movable bracket 34 is moved to the sample suction position 49 by the driving of the X-direction transmission 33, and the sample needle 37 is moved downward through the Z-direction transmission mechanism 36 into the test tube of the sample suction position 49.
- the sampling needle 37 can be stored in the sample needle 37 through the power supplied by the liquid path support module 8 to take a preset quantitative sample, and the sample collection operation is completed.
- the movable bracket 34 is moved above the corresponding measuring module; the pick-up needle 37 is moved downward into the measuring module by the Z-direction transmission 36.
- the liquid path support module 8 provides power, and the sample stored inside the sample needle 37 is quantitatively pushed out, added to the measurement module, and the sample distribution is completed. Work.
- the Z direction is a vertical direction and the X direction is a horizontal direction.
- the horizontal direction may also be a Y direction, or an X direction and a Y direction, for example, in the X direction and Y.
- the direction of the drive rail is increased, and the Y-direction transmission device can be added to realize the movement of the moving mechanism (such as the movable bracket 34) in the X direction and the Y direction; for example, the X-direction transmission 33 can also be rotated by the horizontal plane. Device replacement.
- each of the blood routine measurement module 1, the C-reactive protein measurement module 2, and the sample suction position 49 are arranged along the horizontal movement of the sample needle 37.
- the sample suction position 49 is preferably set at a position near the start end of the horizontal movement path of the sample needle.
- the sample collection and distribution module 3 sample collection and distribution module collects samples once and then distributes them to each of the blood routine measurement module 1 and the C-reactive protein measurement module 2.
- the sample collection and distribution module 3 can be measured according to each module. The sample size is collected once.
- sample size VI and V2
- sample size required for CRP parameter measurement is V3
- sample ⁇ Set and Assignment Module 3 The sample size of the secondary acquisition is greater than or equal to V1+V2 +V3, as shown in Figure 6a.
- the sample collection and distribution module 3 is assigned to each measurement container in accordance with the sample size required for each of the blood routine measurement module 1 and the C-reactive protein measurement module 2. For example, a sample of VI is assigned to the measurement container of the WBC classification project, and the sample of V2+V3 remains in the sample collection and distribution module 3, as shown in FIG.
- the two samples of the V2+V3 are assigned to the measurement containers for the WBC/HGB measurement items and CRP parameter measurements. In other embodiments, depending on the needs of the measurement item, it is also possible to divide into more segments, or to reduce the number of segments. ⁇
- the advantage of assigning samples in this way is that it is not necessary to collect the samples in each measurement container one by one, and the method of collecting samples at one time is more time-saving than the method of collecting samples multiple times, and the measurement efficiency is improved. Further, in order to avoid cross-contamination of samples assigned to different measurement containers, there is a predetermined volume of discarded samples between the two samples. After discarding the sample that comes into contact with the reagent, the sample can be prevented from affecting the measurement result of the next measurement module, and the sample used by two adjacent measurement modules is not cross-contaminated.
- the hemolytic agent is driven by the liquid path support module 8 to introduce the hemolytic agent into the CRP reaction vessel through the hemolytic agent transport mechanism, and reacts with the blood sample and the latex reagent added later in the CRP reaction vessel, and then Transport samples to CRP via sample transport lines
- the light detecting end detects the light emitted by the light emitting end and passing through the CRP measuring container and the sample liquid; after the reaction container and the measuring container are completed, the waste liquid is respectively reacted by the liquid path supporting module.
- the container waste discharge mechanism and the measurement container waste discharge mechanism respectively discharge the CRP reaction container and the CRP measurement container.
- the hemolytic agent When the hemolytic agent is delivered to the reaction vessel, unlike the prior art sputum delivery method, the hemolytic agent is added to the reaction vessel by a special hemolytic agent transport line in the present embodiment, the purpose of which is to save The measurement time of the CRP is increased by the time taken by the sample needle to pick up and dispense the reagent, thereby further improving the overall test speed.
- Each measurement module is cleaned after the measurement is completed and before the next sample measurement begins.
- the plurality of measurement channels in the C-reactive protein measurement module can share a reaction vessel, and the reaction vessels are controllably connected to different measurement vessels through different sample transport conduits.
- the detecting device may also be shared.
- a C-reactive protein measuring module is provided with an optional ring mechanism, and a plurality of measuring containers are arranged in a row on the ring mechanism.
- the C-reactive protein measurement module may have only one detecting device, and the detecting device is disposed on the rotating path of the ring mechanism, and the measuring container rotates with the ring mechanism, passes through the detecting device one by one and stops for detecting, and the detecting device stops in the detecting region thereof. The reaction liquid in the measuring container is tested.
- the blood detector disclosed in the embodiment can effectively use the waiting time of the C-reactive protein measurement time by using a whole blood sample for routine blood cell detection and CRP detection by setting a plurality of measurement channels in the C-reactive protein measurement module.
- the blood cells of the sample are routinely tested, so that the blood routine parameter measurement and the C-reactive protein measurement of each sample can work together, and the blood routine parameter measurement and the C-reactive protein measurement time are coordinated, and the measurement speed is improved.
- Example 2 Example 2:
- the embodiment of the present invention differs from the above embodiment in that the blood detector disclosed in the embodiment further includes an automatic sample introduction module 4, as shown in FIG. 1, the automatic sample introduction module 4 provides continuous samples for the sample collection and distribution module 3 and The sample loading and unloading is completed, and the autosampler module 4 is preferably disposed at the front end of the blood tester.
- FIG. 7 is a schematic view of the auto-injection module, which mainly includes: a test tube rack transport mechanism 41 , a load position detecting mechanism 42 , a test tube rack loading mechanism 43 , a test tube rack unloading mechanism 44 , a test tube presence detecting mechanism 45 , and a test tube barcode information . Acquisition agency 46.
- the test tube rack transporting portion 41 transports the test tube rack in which the test tube is placed in the X direction to the loading area 410.
- the loading position detecting mechanism 42 detects that the test tube rack is in place
- the test tube rack loading mechanism 43 places the test tube rack in the Y direction.
- the test tube rack moves the test tube in sequence according to the test tube position on the test tube rack
- the rack enters the test tube position 47, the sample mix check position 48 and the sample suction position 49; when each test tube placement position on the test tube rack reaches the test tube detection position 47, the test tube presence detecting mechanism 45 detects whether there is a test tube at the position, and
- the test tube barcode information acquisition mechanism 46 scans the barcode on the test tube; if a test tube is detected, when the test tube at the position moves to the 48 sample mixed position, the test tube is mixed by the mixing module in the device, and then moved.
- the sample collection is performed by the sample collection and distribution module 3; when the last test tube position of the entire test tube holder is moved out of the sample suction position 49, the test tube rack unloading mechanism 44 moves the test tube holder in the opposite direction of the X direction. Pushing into the unloading zone 411 completes the unloading of the entire test tube rack sample.
- test tube is transported to the loading position with the test tube rack;
- test tube rack is loaded, and the test tube is sequentially moved into the test tube position 47, the sample mixed position 48 and the sample suction position 49;
- test tube test position 47 check whether there is a test tube.
- sample mixing check box 48 if there is a test tube, the sample is mixed, otherwise it will be directly moved into the sample suction position 49;
- the sample suction position 49 should preferably be set at the beginning of the horizontal movement path of the sampling needle.
- the X direction of the autosampler module 4 should coincide with the X direction of the sample set and dispense module 3.
- the blood detector disclosed in the embodiment improves the automation degree of the blood detector by adding the automatic sample introduction module 4, and is more conducive to the management of the sample (especially the large number of samples), thereby further improving the blood routine and CRP of the whole blood sample.
- the blood detector disclosed in this embodiment further includes a latex reagent storage module 5, as shown in FIG. 1, the latex reagent storage module 5 is used to provide a cryopreservation environment for the latex reagent, and a latex reagent.
- the storage module 5 is disposed at a position of the blood detector that is closer to the edge of the detector and away from the inside. Set the latex reagent storage module 5 away from the inspection.
- the latex reagent storage module 5 can be disposed between the sample loading area 410 and the sample unloading area 411 of the auto-injection module 4 to facilitate sharing the sample with the latex reagent and the sample. And simplify the movement of the needle.
- the latex reagent storage module 5 includes: a cooling mechanism 51 and a cold chamber door 52.
- the refrigeration unit 51 has a refrigeration chamber 53 inside and an opening 54 on the side for providing a low temperature for the latex reagent.
- the cold chamber door 52 is configured to close the refrigerating chamber from the side opening of the refrigerating chamber, and the side of the cold chamber door facing the refrigerating chamber is provided with a latex reagent placement position 50, and the cold chamber door can expose the latex reagent placement position under the force state.
- the outside of the meter or the latex reagent placement position is enclosed in the refrigeration compartment.
- the cold chamber door and the refrigerating mechanism are of a split structure, and the cold chamber door can be pushed away from the refrigerating chamber by being pushed and pulled and/or inverted, and exposed outside the measuring instrument or close to the refrigerating chamber outside the measuring instrument and closed for cooling. room.
- the cold chamber door 52 can be away from the refrigerating chamber and exposed outside the measuring instrument under the force state. At this time, the cold chamber door 52 is in an open state, so that the user can contact the latex reagent placing position 50; the cold chamber door 52 is subjected to the opposite force. Under the action of the meter, the outside of the measuring instrument is close to the refrigerating chamber and the refrigerating chamber is closed. At this time, the latex reagent placing position 50 is located in the cavity of the refrigerating chamber.
- the blood tester can further include an emergency sample placement position 55 disposed on a side of the cold chamber door 52 facing away from the refrigeration chamber. At this point, the emergency sample placement 55 will be exposed to the outside of the blood tester prior to the latex reagent placement 50.
- the starting point for this design is that in clinical testing, the frequency of adding emergency samples to the blood tester is higher. Add/replace latex reagents to the blood tester and use this design to facilitate the measurement of emergency samples.
- the blood routine measurement module includes a WBC classification measurement module, a WBC/HGB measurement module, and an RBC/
- the PLT measurement module is shown in Figure 9. The flow is as follows:
- Step 1 Start the measurement, sample 1 Autosample and mix.
- the auto-injection module 4 completes the sample 1 injection, the presence or absence of the test, the tube barcode information acquisition, and the sample mixing according to the workflow described in the second embodiment.
- Step 2 Sample 1 is taken. When the test tube reaches the sample suction position 49, the sample is collected and divided.
- the matching module 3 is driven by the X-direction transmission 33, moves the moving mechanism (such as the movable bracket 34) to the sample suction position 49, and moves the sample needle 37 downward through the Z-direction transmission mechanism 36 into the test tube of the sample suction position 49.
- the sample required for blood routine parameters and CRP parameter measurement is aspirated into the sample needle 37.
- the sample needle is raised to the initial height by the drive of the Z-direction transmission mechanism 36, and the swab 38 cleans the outer wall of the sample needle 37.
- Step 3 Add CRP hemolytic agent to CRP measurement channel 1.
- the liquid path support module 8 provides power to add the CRP hemolytic agent to the CRP measurement channel 1 in the C-reactive protein measurement module 2.
- Step 4 CRP measurement channel 1 blood.
- the movable bracket 34 is moved over the CRP measuring channel 1, and the sampling needle 37 is moved downward through the Z-direction transmission mechanism 36 into the CRP measuring channel 1, and the blood sample required for CRP measurement is added. Blood samples are added to the CRP measurement channel 1 and sample hemolysis begins, ready for subsequent CRP measurements.
- the needle is raised to the initial height by the drive of the Z-direction transmission mechanism 36, and the swab 38 cleans the outer wall of the sampling needle 37.
- Step 5 The WBC classification measurement module divides the blood. Driven by the X-direction transmission 33, the movable bracket 34 is moved over the WBC sorting measurement module 11, and the pick-up needle 37 is moved down to the WBC sorting measurement module 11 by the Z-direction transmission mechanism 36 to perform blood separation and start WBC classification measurement. . After the blood splitting is completed, the sampling needle 37 is raised to the initial height by the drive of the Z-direction transmission mechanism 36, and the swab 38 cleans the outer wall of the sample needle 37.
- Step 6 The WBC/HGB measurement module divides the blood. Driven by the X-direction transmission 33, the movable bracket 34 is moved over the WBC/HGB measuring module 12, and the pick-up needle 37 is moved downward through the Z-direction transmission mechanism 36 into the WBC/HGB measuring module 12 to the module and the RBC/ The PLT measurement module 13 measures the distribution of the desired blood sample therein.
- Step 7 Draw the sample diluted in the WBC/HGB measurement module 12 and assign it to the RBC/PLT measurement module 13.
- the fluid path support module 8 provides power to draw the partially diluted sample of the WBC/HGB measurement module 12 into the sample needle 37.
- the boring needle 37 is raised to the initial height by the driving of the Z-direction transmission mechanism 36, and then the X-direction transmission 33 drives the movable bracket 34 to move over the RBC/PLT measuring module 13, and the boring needle 37 is turned by the Z-direction transmission mechanism 36.
- the sample needle 37 is raised to the initial height by the driving of the Z-direction transmission mechanism 36, and the swab 38 cleans the outer wall of the sample needle 37.
- Step 8 Add a hemolytic agent to the WBC/HGB measurement module 12.
- the fluid path support module 8 adds the hemolytic agent to the WBC/HGB measurement module 12 to initiate WBC and HGB measurements.
- Step 9 Pipette the latex reagent.
- the X-direction transmission 33 drives the movable bracket 34 to move over the latex reagent storage module 5, and moves the sample needle 37 downward into the latex reagent storage module 5 through the Z-direction transmission mechanism 36 to suck the latex reagent into the sample needle 37. .
- the sample needle 37 is raised to the initial height by the drive of the Z-direction transmission mechanism 36, and the swab 38 cleans the outer wall of the sample needle 37.
- Step 10 Add the latex reagent to the CRP measurement channel 1.
- the X-direction transmission 33 drives the movable bracket 34 to move over the C-reactive protein measurement module 2, and moves the sample needle 37 down to the CRP measurement channel 1 through the Z-direction transmission mechanism 36 to add the latex reagent therein, and simultaneously initiates the CRP measurement.
- Step 11 Clean the WBC classification measurement module 11, the WBC/HGB measurement module 12, and the RBC/PLT measurement module 13. After the WBC classification measurement module 11, the WBC/HGB measurement module 12, and the RBC/PLT measurement module 13 complete the respective measurements of the sample 1, the liquid path support module 8 transports the reagents to the corresponding measurement modules and completes the cleaning.
- Step 12 Sample 2 Autosample and mix, sample 2 draw. Repeat steps 1 and 2 to process sample 2.
- Step 13 Add CRP hemolytic agent to CRP measurement channel 2.
- the liquid path support module 8 provides power to add the CRP hemolytic agent to the CRP measurement channel 2 of the C-reactive protein measurement module 2.
- Step 14 CRP measurement channel 2 points of blood.
- the X-direction transmission 33 drives the movable bracket 34 to move over the CRP measurement channel 2, and moves the sample needle 37 down to the CRP measurement channel 2 through the Z-direction transmission mechanism 36, and adds the blood sample required for CRP measurement.
- Sample blood hemolysis begins after the blood sample is added to the CRP measurement channel 2, ready for subsequent CRP measurements.
- the sample needle 37 is raised to the initial height by the Z-direction transmission mechanism 36, and the swab 38 cleans the outer wall of the sample needle 37.
- Step 15 Sample 2 Blood is routinely measured and the latex reagent is aspirated. Repeat steps 5 through 9.
- Step 16 Add the latex reagent to the CRP measurement channel 2.
- the X-direction transmission 33 drives the movable bracket 34 to move over the C-reactive protein measurement module 2, and moves the sample needle 37 down to the CRP measurement channel 2 through the Z-direction transmission mechanism 36 to add the latex reagent therein, and simultaneously initiates the CRP measurement.
- Step 17 Clean the WBC classification measurement module 11, the WBC/HGB measurement module 12, and the RBC/PLT measurement module 13. Repeat step 11 after completing the sample 2 blood routine measurement.
- Step 18 Clean the C-reactive protein measurement module 2. Since the CRP measurement time is longer than the blood routine measurement time, after waiting for the blood of the sample 2 to complete the measurement, the sample in the CRP channel 1 This 1 completes the CRP measurement, at which time the liquid path support module 8 initiates the cleaning of the CRP measurement channel 1. After another 1 minute, the CRP measurement channel 2 completes the measurement of the sample 2, and the liquid path support module 8 initiates the cleaning of the CRP measurement channel 2.
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Abstract
一种用于全血样本检测的血液检测仪及全血样本检测的方法,使用同一个全血样本,在同一台血液检测仪上即可快速地完成该全血样本的血常规参数和C反应蛋白参数的测量。血常规测量模块(1)和C反应蛋白测量模块(2)组合在一台血液检测仪上,并且,C反应蛋白测量模块(2)设置了至少两个测量容器(223),从而提高了C反应蛋白参数的测量效率,能够快速地完成多个全血样本的血常规参数和C反应蛋白参数的测量。
Description
一种全血样本检测方法及血液检测仪 技术领域
本申请涉及血液检测及分析领域, 具体涉及一种全血样本检测方法 及血液检测仪, 用于支持单机使用全血样本进行血细胞常规检测和 CRP 检测。 背景技术
现在, 医院的临床诊断中常需要同时获得病人血液的血常规参数和 CRP ( C反应蛋白) 参数的检测结果。
在现有大多数血液检测仪器中, 血细胞计数、 分类等血常规检测与 CRP的检测是使用不同类型的样本在不同仪器上进行, 血细胞计数、 分 类一般使用全血样本在血液细胞分析上进行,而 CRP则使用血清样本在 生化分析或特种蛋白分析仪上测量。而由于血常规和 CRP在临床上常常 联合使用, 因此目前医院需要在病人上采集两次样本或增大采血量, 分 别在不同机器上进行测试。 这样对于病人造成痛苦较大, 且需要在两台 机器上检测, 检验操作麻烦。
为了解决上述问题, 需要开发出在一个机器上釆用同一个全血样本 检测血常规参数和 CRP参数的仪器。 由于这些参数的测量方法不同, 因 此需要多个测量通道支持不同参数的测量。
目前支持单机的产品, 可使用全血样本进行血常规参数测量和 CRP 参数测量, 但其测试速度较慢, 最高测试速度仅为 20样本 /时, 不能满 足临床检验中对效率的要求。 发明内容
本申请提出一种全血样本检测方法及血液检测仪, 可釆用同一个样 本, 在同一个机器上快速地完成血常规参数和 CRP参数的测量。
依据本申请的第一方面, 本申请提供一种血液检测仪, 包括: 血常 规测量模块、 C 反应蛋白测量模块、 样本采集与分配模块、 液路支持模 块和控制及信息处理模块;
血常规测量模块用于为被分配的样本提供测量场所, 对被分配的样 本进行以获得至少一个血常规参数为目的的测量并输出测量结果;
c 反应蛋白测量模块包括: 用于为被分配的样本提供测量场所的至 少两个测量容器, 和至少一套检测装置, 至少一套检测装置分别对测量 容器中的样本进行以获得 C 反应蛋白参数为目的的测量并输出测量结 果;
样本釆集与分配模块用于釆集全血样本, 并将釆集的样本分配给血 常规测量模块和 C反应蛋白测量模块;
液路支持模块为样本釆集与分配模块和各测量模块提供液路支持; 控制及信息处理模块分别耦合到样本釆集与分配模块、 各测量模块 和液路支持模块, 用于控制样本釆集与分配模块釆集样本和分配样本、 控制液路支持模块进行流体输送、 接收各测量模块输出的测量结果并对 测量结果进行处理。
依据本申请的第二方面, 本申请提供另一种血液检测仪, 包括: 血 常规测量模块、 C 反应蛋白测量模块、 样本釆集与分配模块、 液路支持 模块和控制及信息处理模块;
血常规测量模块用于为被分配的样本提供测量场所, 对被分配的样 本进行以获得至少一个血常规参数为目的的测量并输出测量结果;
C 反应蛋白测量模块用于为被分配的样本提供测量场所, 对被分配 的样本进行以获得 c反应蛋白参数为目的的测量并输出测量结果, C反 应蛋白测量模块包括多个测量通道, 每个测量通道包括一个测量容器; 样本釆集与分配模块用于釆集全血样本, 并将釆集的样本分配给血 常规测量模块和 C反应蛋白测量模块;
液路支持模块为样本釆集与分配模块和各测量模块提供液路支持; 控制及信息处理模块分别耦合到样本釆集与分配模块、 各测量模块 和液路支持模块, 用于控制样本釆集与分配模块釆集样本和分配样本、 控制液路支持模块进行流体输送、 接收各测量模块输出的测量结果并对 测量结果进行处理。
依据本申请的第三方面, 本申请提供一种血液检测仪对全血样本检 测的方法, 包括:
样本釆集步骤, 样本釆集与分配模块釆集全血样本;
样本分配步骤, 将釆集的样本分配给血常规测量模块和 C反应蛋白 测量模块; 其中, 根据预设顺序轮流将分配给 C反应蛋白测量模块的样 本分配到所述 C反应蛋白测量模块的多个测量容器中的一个;
血常规测量步骤, 血常规测量模块对被分配的样本进行以获得至少
一个血常规参数为目的的测量并输出测量结果;
C反应蛋白测量步骤, C反应蛋白测量模块对被分配的样本进行以获 得 c反应蛋白参数为目的的测量并输出测量结果。
依据本申请提供的血液检测仪, 一方面, 由于血液检测仪组合了血 常规测量模块和 C反应蛋白测量模块,使得血常规参数和 CRP参数的测 量能够在同一个机器上完成, 避免了两次或多次样本釆集, 减轻病人的 痛苦, 也避免了血常规参数和 CRP参数必须在不同机器上测量, 减少了 测量的麻烦; 另一方面, C反应蛋白测量模块配置了至少两个测量容器 / 多个测量通道, 为提高 CRP参数的测量效率提供了可能; 由于 CRP参 数的测量时间长于血常规参数的测量时间, 在单机上连续对多个样本进 行该两种测量时, CRP参数测量效率的提高, 能够有效地提高整体的测 量效率。
依据本申请提供的血液检测仪的检测方法, C 反应蛋白测量模块中 的各通道轮流进行测量,消除了由于 CRP参数的测量时间长于血常规参 数的 'J量时间而对整个测量效率的影响。 附图说明
图 1是本申请实施例 1公开的一种血液检测仪断层剖面图; 图 2是本申请实施例 1公开的一种血液检测仪结构原理框图; 图 3是本申请实施例 1 C反应蛋白测量模块的另一种结构原理框图; 图 4是本申请实施例 1样本连续测量策略示意图;
图 5是本申请实施例 1样本釆集与分配模块结构示意图;
图 6a和图 6b是本申请实施例 1样本釆集与分配模块分段分配样本 示意图; 其中,
图 6a是本申请实施例 1一次性釆集的样本量示意图;
图 6b是本申请实施例 1经一次分配后的样本量示意图;
图 7是本申请实施例 2 自动进样模块俯视示意图;
图 8是本申请实施例 3乳胶试剂存储模块结构示意简图;
图 9是本申请实施例 3对全血样本检测的方法流程图。 具体实施方式
在本申请实施例中,将 CRP参数测量功能和血常规测量功能集成到 同一个血液检测仪上, CRP测量和血常规测量都釆用全血样本, CRP测
量釆用先将全血样本和溶血剂混合、 然后再加入乳胶试剂的方式获得。 釆用这种测量方式时, CRP参数的测量时间多于血常规参数的测量时间, 例如对于同一样本, 血常规参数测量需要 1分钟时间, 而 CRP参数测量 则需要 2分钟时间, 如果在完成血常规参数测量后等待 CRP参数测量, 则必然降低血常规参数的测量速度。 为了在同一个机器上快速地完成血 常规参数和 CRP参数的测量, 本申请实施例中, C反应蛋白测量模块包 括多个测量通道, 在样本的连续测量过程中, 多个测量通道被按照预设 顺序轮流加入样本并进行测量。 下面结合附图以具体的实施方式对本申 请进行说明。 实施例 1 :
请参考图 1和图 2 , 为本实施例公开的血液检测仪一种结构。 其中, 图 1为血液检测仪立体结构示意图, 图 2为血液检测仪结构原理框图; 图 2中的点划箭头线为电信号走向, 实箭头线为液路走向。 该血液检测 仪包括: 血常规测量模块 1 (图 1中未示出标记)、 C反应蛋白测量模块 (以下也称为 CRP测量模块) 2、 样本采集与分配模块 3、 液路支持模 块 8(图 1中未示出标记)和控制及信息处理模块 9(图 1中未示出标记;)。 其中:
血常规测量模块 1用于为被分配的样本提供测量场所, 对被分配的 样本进行以获得至少一个血常规参数为目的的测量并输出测量结果。 请 参考图 1 , 在一种具体实施例中, 血常规测量模块 1 可以根据测量需要 进一步细分为各种子测量模块: WBC分类测量模块 11、 WBC/HGB 测 量模块 12和 RBC/PLT测量模块 13。 WBC分类测量模块 11用于向被分 配的样本提供完成反应的场所, 并测量获得 WBC 的五分类结果; WBC/HGB测量模块 12用于完成 WBC ( white blood cell , 白细胞 )计数 和形态参数的测量, 并兼具测量 HGB ( hemoglobin, 血红蛋白 )的功能; RBC/PLT测量模块 13用于完成 RBC( red blood cell ,红细胞)、 PLT( blood platelet, 血小板)计数和形态参数的测量。 需要说明的是, 上述各子模 块(11、 12和 13 )均可以釆用现有的测量方式实现, 在实际血常规测量 过程中, 也可以增加其它血常规的测量子模块, 或者减少上述的一些子 模块。
C反应蛋白测量模块 2用于为被分配的样本提供测量场所, 对被分 配的样本进行以获得 C反应蛋白参数为目的的测量并输出测量结果。 样
本被分配到 C反应蛋白测量模块 2后, 首先和加入的溶血剂进行反应, 然后在反应液中加入乳胶试剂, 最后通过光电检测对加入乳胶试剂的反 应液进行光透过量或光散射量检测, 并输出测量结果。 本申请中, 将为 一次样本提供从反应、 测量到测量结果输出这一过程的设施统称为一个 测量通道, 一个测量通道通常包括: 可实现为样本和试剂提供反应场所 的反应容器, 可实现为反应液提供测量场所的测量容器, 和可实现对测 量容器中的反应液进行测量并输出测量结果的检测装置。在具体实现时, 还可将反应容器和测量容器合二为一,即可作为样本和试剂的反应场所, 也可以作为反应液的测量场所。
本申请实施例中, C反应蛋白测量模块包括至少两个测量容器和至 少一套检测装置, 以实现多个测量通道, 每个测量通道包括一个测量容 器, 测量容器用于为被分配的样本提供测量场所, 检测装置分别对测量 容器中的样本进行以获得 C 反应蛋白参数为目的的测量并输出测量结 果。 由于 C反应蛋白测量之前需要先将全血样本、 溶血剂和乳胶试剂等 试剂混合并经过预设时间的反应。 因此在某些具体实施例中, C反应蛋 白测量模块包括至少一个反应容器、 至少两个测量容器和至少一套检测 装置, 反应容器与测量容器连通, 用于为被分配的样本和试剂提供反应 场所, 待被分配的样本和试剂反应完毕后按照预设顺序分配至测量容器 中进行 C反应蛋白测量。 在有的具体实施例中, 反应容器和检测装置与 测量容器——对应, 即每个测量通道包括一反应容器、 一检测装置和一 测量容器。 在另外的具体实施例中, 反应容器和 /或检测装置并非与测量 容器——对应, 例如反应容器和 /或检测装置的数量少于测量容器, 反应 容器和 /或检测装置被多个测量通道共用。 这种情况下, 一个测量通道包 括一测量容器、 与其他测量通道共用的反应容器和 /或检测装置。 在另外 有些具体实施例中, C反应蛋白测量模块中也可以没有反应容器, 测量 容器既提供反应场所又提供测量场所。
样本釆集与分配模块 3用于釆集全血样本, 并将釆集的样本分配给 血常规测量模块 1和 C反应蛋白测量模块 2。 当测量通道中包括反应容 器时, 样本釆集与分配模块 3将釆集的样本分配给反应容器; 当测量通 道中不包括反应容器时, 样本釆集与分配模块 3将釆集的样本分配给测 谷 。
液路支持模块 8 为样本釆集与分配模块和各测量模块提供液路支 持。 在具体实施例中, 液路支持模块 8通常包括: 阀、 泵、 和 /或注射器
等, 在血液检测仪中主要实现输送样本、 试剂及排出废液等运输功能。 控制及信息处理模块 9分别耦合到样本釆集与分配模块 3、 各测量 模块和液路支持模块 8 , 用于控制样本釆集与分配模块 3釆集样本和分 配样本、 控制液路支持模块 8进行流体输送、 接收各测量模块输出的测 量结果并对测量结果进行处理。 本实施例中, 控制及信息处理模块控制 样本釆集与分配模块将每次釆集的样本按照预定的量分配到血常规测量 模块和 C反应蛋白测量模块的一个测量通道, 该测量通道根据预设的轮 流顺序而确定, 从而使得 C反应蛋白测量模块中的多个测量容器中的一 个按照预设的轮流顺序获得不同的分配样本。
下面以 C反应蛋白测量模块的一种具体结构说明血常规和 C反应蛋 白参数的测量过程。
如图 1所示, C反应蛋白测量模块包括两个测量通道 21、 22 , 其中 一个的测量通道的组成示意图如图 3所示, 主要包括一反应容器 221、 一样本输运管路 222、 一测量容器 223、 一检测装置、 CRP测量池废液 排出机构 224、 反应池废液排出机构 225、 溶血剂输运机构 226, 反应容 器 221和测量容器 223通过样本输运管路 222可控地连通, 检测装置为 光电检测器, 包括光发射端 227和光检测端 228 , 本实施例中, 光发射 端 227为光源, 用于发射可照射反应容器的光, 光检测端 228为光电感 应器, 用于接收经过反应容器的透射光。 本实施例中, 光发射端 227和 光检测端 228分别设置在测量容器 223相对的两侧。 两个测量通道可以 釆用上述相同的结构, 也可以釆用不同的结构, 例如另一个测量通道中 没有反应容器, 而在测量容器中完成样本和试剂的反应和测量。 本领域 技术人员能够理解, 也可以检测经过测量容器的散射光, 光发射端和光 检测端的位置可以根据需要调整。
其基本工作原理是: 启动测量后, 将样本放置在吸样位置上, 由样 本釆集与分配模块 3进行样本吸取, 然后样本采集与分配模块 3上的运 动组件会在各测量模块之上运动, 将所需样本分别分配至对应的测量模 块中, 如 CRP测量模块 1、 WBC分类测量模块 1 1、 WBC/HGB测量模块 12 和 RBC/PLT测量模块 1 3。 各测量模块在被分配样本后, 便立即启动对应 参数的测量, 在完成测量后会进行清洗进入待机状态, 等待下次测量的 开始。
由于单个样本的 CRP参数测量时间比血常规参数测量时间长(分别 为 2分钟和 1分钟 ),为了同时测量这两种参数时能实现 60样本 /时的高
测试速度, 本实施例釆用了 CRP测量模块双通道交替测量的设计。 其具 体原理是: 将 CRP第一测量通道 21和 CRP第二测量通道 22这两个独 立的 CRP测量通道集成在一起,构成了 CRP测量模块 2。在样本连续测 量时, 每釆集一次样本, 将釆集的样本定量分配给所有的血常规测量模 块和轮流分配给 CRP测量模块中的一个测量通道,对于每个血常规测量 模块而言, 当其结束一个样本的血常规测量后即开始下一样本的血常规 测量。 对于 C反应蛋白测量模块的两个测量通道而言, 每个样本的 CRP 测量是依次在两个 CRP测量通道中交替进行的, 两个分配样本的 CRP 测量过程存在时间交叠, 这样就能够使得每个样本在完成血常规参数测 量之后不需要再等待当前样本的 CRP 参数测量的完成即可启动下一个 样本的血常规测量。 最终每个样本在完成自己 CRP参数的测量后, 将血 常规与 CRP参数同时输出, 实现每分钟输出一个样本的全部测量结果, 从而提高整体测试的速度, 以达成 60样本 /时的高测试速度。
请参考图 4。 假设 CRP参数测量所花费的时间为 2分钟 , 血常规参 数测量的时间为 1分钟。 图 4中, 样本 1〜样本 8为连续采集的待测量的 样本, Omin表示测量开始时刻, 1 min~9min表示测量开始时刻经过的时 间 (min为时间单位, 分钟)。 该 8个样本的血常规参数测量在血常规测 量模块 1 中依次串行完成, 每个样本耗时 lmin。 样本 1〜样本 8的 CRP 参数测量则在 CRP测量通道 1和 CRP测量通道 2中交替进行, 每个样 本耗时 2min。 如图 3所示, 样本釆集与分配模块 3首先将样本 1分配至 CRP第一测量通道 21进行样本 1的 CRP参数测量, 而后, 样本釆集与 分配模块 3将样本 2分配至 CRP第二测量通道 22进行样本 2的 CRP参 数测量, 而后又将样本 3分配至 CRP第一测量通道 21 , 之后再将样本 4 分配至 CRP第二测量通道 22进行 CRP参数测量, 以此类推, 样本釆集 与分配模块 3按照预设的顺序将釆集的 8个样本轮流分配给两个测量通 道( CRP第一测量通道 21和 CRP第二测量通道 22 )。 上述过程中, 每 个样本的血常规参数要早于 CRP参数 lmin完成测量, 但该样本的所有 测量结果是在 CRP参数完成时一起输出。一旦启动测量,第一个样本(样 本 1 ) 的全部测量结果是在第一个样本开始测量 2min后 (由于 CRP参 数测量需要耗时 2分钟) 输出, 此后每 lmin输出一个样本的全部测量 结果。 当然, 最后一个样本的全部测量结果应在血常规参数测量之后 t=lmin输出,其中 t的值为 CRP参数测量耗时时间减去血常规参数测量 耗时时间。 由此可见, 若连续测量 60个样本, 则在 60分钟左右可输出
全部的 60个样本的测量结果, 测量速度约为 60样本 /小时。 需要说明的 是, 只是为了便于本领域普通技术人员理解技术方案而举的上述例子, 不能认定为技术方案的全部内容, 例如, CRP参数测量的测量通道也可 以是多个,血常规参数测量耗时时间和 CRP参数测量耗时时间也可以是 其它时间。 在一具体实例中, 样本釆集与分配模块 3包括移动机构和固 定在移动机构上的釆样针, 移动机构带动釆样针在水平方向和竖直方向 移动。 请参考图 5 , 为本实施例中样本釆集与分配模块 3的一种示例结 构示意图。 样本釆集与分配模块 3包括: 固定支架 31、 X方向导轨 32、 X方向传动装置 33、 活动支架 34、 Z方向导轨 35、 Z方向传动机构 36、 釆样针 37以及拭子 38。 其中, 固定支架 31与检测仪的固定支架连接, 当然, 在其它实施例中, 也可以直接利用检测仪的固定支架代替; 活动 支架 34通过 X方向导轨 32、 X方向传动部分 33与固定支架 31形成滑 动连接, 使得活动支架 34 以及安装在其上的部件可以沿 X方向移动形 成移动机构, 其动力来自 X方向传动装置 33 ; 采样针 37通过 Z方向导 轨 35、 Z方向传动机构 36与活动支架 34形成滑动连接, 使得采样针 37 可以相对活动支架 34作 Z方向移动; 拭子 38的作用为清洗采样针 37 外壁, 当釆样针 37进行 Z向运动时, 拭子 38通过液路支持模块 8提供 液体清洗釆样针外壁同时将清洗后液体抽走。
样本釆集与分配模块 3的工作原理如下:
① 样本釆集
通过 X方向传动装置 33的驱动, 将活动支架 34移动到样本吸取位 49 , 通过 Z方向传动机构 36将釆样针 37向下移动到样本吸取位 49的 试管内。此时,采样针 37可以通过液路支持模块 8提供的动力吸取预设 定量的样本储存在釆样针 37内部, 完成样本釆集动作。
② 样本釆集后清洗
样本釆集完毕后,釆样针 37外部不可避免粘附有少量样本, 当釆样 针 37上升过程,拭子 38将清洗釆样针 37外壁,避免外壁样本造成定量 的影响。
③ 样本分配
通过 X方向传动装置 33驱动, 将活动支架 34移动到对应测量模块 的上方; 通过 Z方向传动机构 36将釆样针 37向下移动到测量模块中。 当釆样针针尖到达测量模块内部后, 液路支持模块 8提供动力, 将储存 在釆样针 37内部的样本定量推出,加入到测量模块中, 完成样本分配动
作。
需要说明的是,上述 Z方向为竖直方向, X方向为水平方向的一种, 在其它实施例中, 水平方向也可以是 Y方向, 或者 X方向和 Y方向, 例如, 在 X方向和 Y方向都增加传动导轨, 并增加 Y方向传动装置便 能实现移动机构 (如活动支架 34 )在 X方向和 Y方向上的移动; 再如, X方向传动装置 33也可以由在水平面上转动的转动装置替代。
在优选的实施例中, 各血常规测量模块 1、 C 反应蛋白测量模块 2 和样本吸取位 49沿釆样针 37的水平方向的移动轨迹布置。 样本吸取位 49优选设置在釆样针的水平方向移动轨迹的靠近起始端的位置。
在优选的实施例中, 样本釆集与分配模块 3样本釆集与分配模块釆 集一次样本, 然后分段分配给各血常规测量模块 1和 C反应蛋白测量模 块 2。 请参考图 6a和图 6b, 由于血常规测量模块 1和 C反应蛋白测量 模块 2中各项目测量所需要的样本量是确定的, 因此, 样本釆集与分配 模块 3可以按照各模块测量所需要的样本量, 一次性采集完毕。 假设在 一次临床检测中, 血常规参数测量需要测量两个项目 (如 WBC分类项 目和 WBC/HGB测量项目 ), 分别需要样本量为 VI和 V2 , CRP参数测 量需要的样本量为 V3 ,则样本釆集与分配模块 3—次性采集的样本量大 于或等于 V1+V2 +V3 , 如图 6a所示。 而后, 样本釆集与分配模块 3按 照各血常规测量模块 1和 C反应蛋白测量模块 2所需的样本量分配给各 个测量容器。如,向 WBC分类项目的测量容器分配一段量为 VI的样本, 此时样本釆集与分配模块 3还剩下 V2+V3的样本, 如图 6b所示; 样本 釆集与分配模块 3将剩余的 V2+V3 的两段样本分别分配给 WBC/HGB 测量项目和 CRP参数测量的测量容器。 在其它实施例中, 根据测量项目 的需要, 也可以分成更多段数, 或者缩减段数。 釆用这种方式分配样本 的优点在于, 勿需逐次釆集样本分配到各个测量容器中, 通过一次性釆 集样本的方式相对于多次采集样本的方式更加节省时间, 提高了测量效 率。 更进一步的, 为避免分配到不同测量容器中的样本交叉污染, 在两 段样本之间有预设体积的抛弃样本。 将接触到试剂的样本抛弃后, 可以 避免该段样本影响下一个测量模块的测量结果, 保证两个相邻的测量模 块所用的样本不存在交叉污染。
CRP测量时, 溶血剂在液路支持模块 8的驱动下, 通过溶血剂输运 机构将溶血剂加入 CRP反应容器中,其与稍后加入的血样及乳胶试剂在 CRP 反应容器中进行反应, 然后通过样本输运管路将样本输运至 CRP
测量容器中,光检测端检测由光发射端发出且经过 CRP测量容器及样本 液所射出的光; 在反应容器和测量容器完成操作后, 在液路支持模块的 驱动下, 废液分别由反应容器废液排出机构和测量容器废液排出机构分 别排出 CRP反应容器和 CRP测量容器。在向反应容器中输送溶血剂时, 与现有技术釆用釆样针输送的方案不同, 本实施例中釆用专门的溶血剂 输运管路将溶血剂加入反应容器, 其目的是为了节省因釆样针吸取和分 配试剂所占用的时间,提高 CRP的测量速度, 从而进一步提高整体的测 试速度。
在测量结束后和下一样本测量开始之前对各测量模块进行清洗。 在其它的具体实例中, C反应蛋白测量模块中多个测量通道可以共 用反应容器, 反应容器通过不同的样本输运管路可控地连通不同的测量 容器。 检测装置也可以是共用的, 例如 C反应蛋白测量模块中设置一可 选择的环形机构, 多个测量容器在环形机构上排布成一列, 这种情况下
C反应蛋白测量模块中可以只有一个检测装置, 将该检测装置设置在环 形机构的旋转途径上, 测量容器随环形机构旋转, 逐个经过检测装置并 为检测而停止, 检测装置对停止在其检测区域的测量容器中的反应液进 行检测。
本实施例公开的血液检测仪, 通过在 C反应蛋白测量模块中设置多 个测量通道,能够在单机使用全血样本进行血细胞常规检测和 CRP检测 时, 有效地利用等待 C反应蛋白测量时间进行其它样本的血细胞常规检 测, 从而使得各样本血常规参数测量和 C反应蛋白测量能够协同工作, 统筹了血常规参数测量和 C反应蛋白测量时间, 提高了测量速度。 实施例 2 :
本实施例和上述实施例不同的是, 本实施例公开的血液检测仪还包 括自动进样模块 4 , 如图 1所示, 自动进样模块 4为样本釆集与分配模 块 3提供连续样本并完成样本装载和卸载, 自动进样模块 4优选设置在 血液检测仪的前端。 请参考图 7 , 为自动进样模块俯视示意图, 主要包 括: 试管架输送机构 41、 装载位检测机构 42、 试管架装载机构 43、 试 管架卸载机构 44、 试管有无检测机构 45和试管条码信息获取机构 46。 工作过程为: 试管架输送部分 41沿 X方向将放置好试管的试管架输送 至装载区 410 , 当装载位检测机构 42检测到试管架到位后, 试管架装载 机构 43将试管架沿 Y方向将试管架按试管架上的试管位依次移动试管
架进入试管检测位 47、 样本混勾位 48和样本吸取位 49 ; 当试管架上的 每个试管放置位置到达试管检测位 47时, 试管有无检测机构 45都会检 测该位置是否有试管,同时试管条码信息获取机构 46会扫描试管上的条 码; 若检测到有试管则当该位置的试管移动至 48样本混匀位时,会由装 置内的混匀模块完成试管的混匀, 然后当移动至样本吸取位时 49 , 会由 样本釆集与分配模块 3进行样本的吸取; 当整个试管架最后一个试管位 置移出样本吸取位 49时, 试管架卸载机构 44将试管架沿 X方向的相反 方向推入卸载区 411 , 完成整个试管架样本的卸载。
综上所述, 整个自动进样模块 4的工作流程依次为:
① 放置试管与试管架, 启动自动进样程序;
② 试管随试管架输送至装载位;
③ 试管架装载, 将试管依次移入试管检测位 47、 样本混勾位 48 和样本吸取位 49 ;
④ 在试管检测位 47检测有无试管, 检测到有试管时, 扫描该试 管条码;
⑤ 在样本混勾位 48 , 若有试管, 则进行样本混勾, 否则直接移 入样本吸取位 49 ;
⑥ 在样本吸取位 49 : 若有试管, 则进行样本吸取;
⑦ 若当前样本位于当前试管架最后一个试管位,则对试管架进行 卸载。
在一种具体实施例中 ,样本吸取位 49应当优选设置在采样针的水平 方向移动轨迹的起始端。
在优选的实施例中, 自动进样模块 4的 X方向应当与样本釆集与分 配模块 3的 X方向一致。
本实施例公开的血液检测仪, 通过增加自动进样模块 4提高了血液 检测仪的自动化程度, 更利于样本(尤其是样本数目繁多) 的管理, 从 而进一步提高了全血样本的血常规和 CRP参数的整体测量速度。 实施例 3 :
本实施例和上述实施例不同的是, 本实施例公开的血液检测仪还包 括乳胶试剂存储模块 5 , 如图 1所示, 乳胶试剂存储模块 5用于为乳胶 试剂提供低温保存环境, 乳胶试剂存储模块 5设置在血液检测仪的更靠 近检测仪边缘而远离内部的位置。 将乳胶试剂存储模块 5设置在远离检
测仪内部的位置的优势在于, 不仅能够方便更换乳胶试剂, 而且在更换 乳胶试剂时, 可以避免用户将手伸入仪器内部, 减少用户受到生物污染 的风险。
在优选的实施例中, 请参考图 7 , 可以将乳胶试剂存储模块 5设置 在自动进样模块 4的样本装载区 410和样本卸载区 411之间, 以方便使 乳胶试剂和样本共用釆样针, 并简化釆样针的移动行程。
在一种具体实施例中, 请参考图 8 , 乳胶试剂存储模块 5 包括: 制 冷机构 51和冷室门 52。
制冷机构 51 内部具有制冷室 53 , 侧面具有开口 54 , 用于为乳胶试 剂提供低温。
冷室门 52用于从制冷室的侧面开口处封闭制冷室,冷室门上朝向制 冷室的一面设置有乳胶试剂放置位 50 ,冷室门在受力状态下可使乳胶试 剂放置位露出在测量仪外部或将乳胶试剂放置位封闭到制冷室。
在一具体实施例中, 冷室门和制冷机构为分体式结构, 冷室门通过 推拉和 /或翻转的方式可远离制冷室并露出在测量仪外部或由测量仪外 部靠近制冷室并封闭制冷室。例如冷室门 52在受力状态下可远离制冷室 并露出在测量仪外部, 此时, 冷室门 52为打开状态, 从而便于用户接触 乳胶试剂放置位 50 ; 冷室门 52在受相反力的作用下由测量仪外部靠近 制冷室并封闭制冷室, 此时, 乳胶试剂放置位 50位于制冷室空腔内。
在优选的实施例中, 该血液检测仪还可以进一步包括紧急样本放置 位 55 , 紧急样本放置位 55设置在冷室门 52背向制冷室的一面。 此时, 紧急样本放置位 55会先于乳胶试剂放置位 50露出于血液检测仪的外部, 釆用这种设计的出发点在于, 在临床检测中, 向血液检测仪添加紧急样 本的频率要高于向血液检测仪添加 /更换乳胶试剂,釆用这种设计方便紧 急样本的测量。
下面以连续两个样本(样本 1和样本 2 ) 同时测量全血样本血常规 参数和 CRP参数为例进行说明, 其中, 以血常规测量模块包括 WBC分类 测量模块、 WBC/HGB测量模块和 RBC/PLT测量模块为例, 请参考图 9 , 流 程如下:
步骤 1、 启动测量, 样本 1 自动进样与混匀。 当测量启动后, 自动 进样模块 4按实施例 2所述的工作流程完成样本 1进样、试管有无检测、 试管条码信息获取与样本混匀。
步骤 2、 样本 1吸取。 当试管到达样本吸取位 49后, 样本釆集与分
配模块 3通过 X方向传动装置 33驱动,将移动机构(譬如活动支架 34 ) 移动到样本吸取位 49 ,通过 Z方向传动机构 36将釆样针 37向下移动到 样本吸取位 49的试管内一次将血常规参数和 CRP参数测量所需的样本 吸取至釆样针 37中。 釆样针在 Z方向传动机构 36的驱动下上升至初始 高度, 同时拭子 38清洗釆样针 37外壁。
步骤 3、 CRP测量通道 1中添加 CRP溶血剂。 液路支持模块 8提供 动力, 将 CRP溶血剂加入 C反应蛋白测量模块 2 中的 CRP测量通道 1 中。
步骤 4、 CRP测量通道 1分血。 在 X方向传动装置 33驱动下, 活 动支架 34移动到 CRP测量通道 1上方,通过 Z方向传动机构 36将釆样 针 37向下移动到 CRP测量通道 1中, 加入 CRP测量所需的血样。 血样 加入 CRP测量通道 1后即开始样本溶血, 为后续 CRP测量做好准备。 釆样针在 Z方向传动机构 36的驱动下上升至初始高度, 同时拭子 38清 洗采样针 37外壁。
步骤 5、 WBC分类测量模块分血。 在 X方向传动装置 33驱动下, 活动支架 34移动到 WBC分类测量模块 11上方, 通过 Z方向传动机构 36将釆样针 37 向下移动到 WBC分类测量模块 11 中进行分血并启动 WBC分类测量。 完成分血后, 采样针 37在 Z方向传动机构 36的驱动 下上升至初始高度, 同时拭子 38清洗釆样针 37外壁。
步骤 6、 WBC/HGB测量模块分血。 在 X方向传动装置 33驱动下, 活动支架 34移动到 WBC/HGB测量模块 12上方,通过 Z方向传动机构 36 将釆样针 37 向下移动到 WBC/HGB 测量模块 12 中将该模块和 RBC/PLT测量模块 13测量所需的血样分配至其中。
步骤 7、 吸取 WBC/HGB 测量模块 12 中稀释后的样本分配至 RBC/PLT测量模块 13。 在血样完成稀释后, 液路支持模块 8提供动力, 将 WBC/HGB测量模块 12部分稀释样本吸取至釆样针 37中。釆样针 37 在 Z方向传动机构 36的驱动下上升至初始高度, 然后 X方向传动装置 33驱动活动支架 34移动到 RBC/PLT测量模块 13上方, 通过 Z方向传 动机构 36将釆样针 37向下移动到 RBC/PLT测量模块 13中进行分血并 启动 RBC和 PLT测量。 完成分血后, 釆样针 37在 Z方向传动机构 36 的驱动下上升至初始高度, 同时拭子 38清洗釆样针 37外壁。
步骤 8、 WBC/HGB测量模块 12中加入溶血剂。 液路支持模块 8将 溶血剂加入 WBC/HGB测量模块 12中, 启动 WBC和 HGB测量。
步骤 9、 吸取乳胶试剂。 X方向传动装置 33驱动活动支架 34移动 至乳胶试剂存储模块 5的上方, 通过 Z方向传动机构 36将釆样针 37向 下移动到乳胶试剂存储模块 5中将乳胶试剂吸取至釆样针 37中。釆样针 37在 Z方向传动机构 36的驱动下上升至初始高度,同时拭子 38清洗釆 样针 37外壁。
步骤 10、 乳胶试剂加入 CRP测量通道 1。 X方向传动装置 33驱动 活动支架 34移动至 C反应蛋白测量模块 2上方, 通过 Z方向传动机构 36将釆样针 37向下移动到 CRP测量通道 1中将乳胶试剂加入其中, 同 时启动 CRP测量。
步骤 11、 清洗 WBC分类测量模块 11、 WBC/HGB测量模块 12和 RBC/PLT测量模块 13。 在 WBC分类测量模块 11、 WBC/HGB测量模块 12和 RBC/PLT测量模块 13完成样本 1各自测量后, 液路支持模块 8将 试剂输运至对应测量模块中并完成清洗。
步骤 12、 样本 2 自动进样与混匀、 样本 2吸取。 重复步骤 1和步骤 2 , 处理样本 2。
步骤 13、 CRP测量通道 2中添加 CRP溶血剂。 液路支持模块 8提 供动力, 将 CRP溶血剂加入 C反应蛋白测量模块 2的 CRP测量通道 2 中。
步骤 14、 CRP测量通道 2分血。 X方向传动装置 33驱动活动支架 34移动至 CRP测量通道 2上方, 通过 Z方向传动机构 36将釆样针 37 向下移动到 CRP测量通道 2中 , 加入 CRP测量所需的血样。 血样加入 CRP测量通道 2后即开始样本溶血, 为后续 CRP测量做好准备。釆样针 37在 Z方向传动机构 36驱动下上升至初始高度,同时拭子 38清洗釆样 针 37外壁。
步骤 15、 样本 2血常规测量、 吸取乳胶试剂。 重复步骤 5至步骤 9。 步骤 16、 乳胶试剂加入 CRP测量通道 2。 X方向传动装置 33驱动 活动支架 34移动至 C反应蛋白测量模块 2上方, 通过 Z方向传动机构 36将釆样针 37向下移动到 CRP测量通道 2中将乳胶试剂加入其中, 同 时启动 CRP测量。
步骤 17、 清洗 WBC分类测量模块 11、 WBC/HGB测量模块 12和 RBC/PLT测量模块 13。 在完成样本 2血常规测量后, 重复步骤 11。
步骤 18、 清洗 C反应蛋白测量模块 2。 由于 CRP测量时间较血常 规测量时间长, 在等到样本 2的血常规完成测量后, CRP通道 1中的样
本 1完成 CRP测量,此时液路支持模块 8启动 CRP测量通道 1的清洗。 再经过 1分钟, 待 CRP测量通道 2完成样本 2的测量, 液路支持模块 8 启动 CRP测量通道 2的清洗。
至此,完成了连续两个样本各自的全血样本血常规参数和 CRP参数 的测量。
以上应用了具体个例对本申请进行阐述, 只是用于帮助理解本申请 并不用以限制本申请。对于本领域的一般技术人员,依据本申请的思想, 可以对上述具体实施方式进行变化。
Claims
1. 一种血液检测仪, 其特征在于包括:
血常规测量模块, 用于为被分配的样本提供测量场所, 对被分配的 样本进行以获得至少一个血常规参数为目的的测量并输出测量结果;
C反应蛋白测量模块, 所述 C反应蛋白测量模块包括: 用于为被分 配的样本提供测量场所的至少两个测量容器, 和至少一套检测装置, 所 述至少一套检测装置分别对测量容器中的样本进行以获得 c反应蛋白参 数为目的的测量并输出测量结果;
样本釆集与分配模块, 用于釆集全血样本, 并将釆集的样本分配给 血常规测量模块和 C反应蛋白测量模块;
液路支持模块,为样本釆集与分配模块和各测量模块提供液路支持; 控制及信息处理模块, 分别耦合到样本釆集与分配模块、 各测量模 块和液路支持模块,用于控制样本釆集与分配模块釆集样本和分配样本、 控制液路支持模块进行流体输送、 接收各测量模块输出的测量结果并对 测量结果进行处理。
2. 如权利要求 1所述的血液检测仪, 其特征在于, C反应蛋白测 量模块还包括至少一个用于为被分配的样本和试剂提供反应场所的反 应容器, 所述反应容器分别与测量容器连通。
3. 如权利要求 1所述的血液检测仪,其特征在于,所述反应容器、 测量容器和检测装置的数量相同, 每个测量容器与其对应的反应容器连 通, 并由与其对应的检测装置进行测量。
4. 如权利要求 1-3 中任一项所述的血液检测仪, 其特征在于, C 反应蛋白测量模块中的多个测量容器按照预设的轮流顺序逐个获得不 同的分配样本。
5. 如权利要求 1-4中任一项所述的血液检测仪, 其特征在于, 所 述控制及信息处理模块控制样本釆集与分配模块每次釆集样本后, 将釆 集的样本分段分配给各血常规测量模块和 C反应蛋白测量模块中的一个 测量容器。
6. 一种血液检测仪, 其特征在于包括:
血常规测量模块, 用于为被分配的样本提供测量场所, 对被分配的 样本进行以获得至少一个血常规参数为目的的测量并输出测量结果;
C 反应蛋白测量模块, 用于为被分配的样本提供测量场所, 对被分 配的样本进行以获得 C反应蛋白参数为目的的测量并输出测量结果, 所
述 c反应蛋白测量模块包括多个测量通道, 所述每个测量通道包括一个 测量容器;
样本釆集与分配模块, 用于釆集全血样本, 并将釆集的样本分配给 血常规测量模块和 C反应蛋白测量模块;
液路支持模块,为样本釆集与分配模块和各测量模块提供液路支持; 控制及信息处理模块, 分别耦合到样本釆集与分配模块、 各测量模 块和液路支持模块,用于控制样本釆集与分配模块釆集样本和分配样本、 控制液路支持模块进行流体输送、 接收各测量模块输出的测量结果并对 测量结果进行处理。
7. 如权利要求 6所述的血液检测仪, 其特征在于, 所述控制及信 息处理模块控制样本釆集与分配模块将每次釆集的样本按照预定的量 分配到血常规测量模块和 C反应蛋白测量模块的一个测量通道, 该测量 通道根据预设的轮流顺序而确定。
8. 如权利要求 7所述的血液检测仪, 其特征在于, 所述每个测量 通道还包括:
一反应容器, 所述反应容器与测量容器连通, 用于接收样本采集与 分配模块分配的样本;
一检测装置, 所述检测装置包括光发射端和光检测端, 所述光发射 端用于发射可照射反应容器的光, 所述光检测端用于接收经过反应容器 的光。
9. 如权利要求 4或 7所述的血液检测仪, 其特征在于, C反应蛋 白测量模块至少在对两个分配样本的测量过程中存在时间交叠。
1 0. 如权利要求 1 -9中任一项所述的血液检测仪, 其特征在于, 还 包括自动进样模块, 所述自动进样模块自动为样本釆集与分配模块提供 连续样本并完成样本装载和卸载, 所述自动进样模块设置在血液检测仪 的前端。
1 1. 如权利要求 1 0所述的血液检测仪, 其特征在于, 所述样本釆 集与分配模块包括移动机构和固定在移动机构上的釆样针, 移动机构带 动釆样针在水平方向和竖直方向移动。
12. 如权利要求 1 1 所述的血液检测仪, 其特征在于, 所述各血常 规测量模块、 C 反应蛋白测量模块和自动进样模块的样本吸取位沿釆样 针的水平方向的移动轨迹布置。
1 3. 如权利要求 1 -9中任一项所述的血液检测仪, 其特征在于, 还
包括乳胶试剂存储模块, 所述乳胶试剂存储模块用于为乳胶试剂提供低 温保存环境, 所述乳胶试剂存储模块设置在血液检测仪的更靠近检测仪 边缘而远离内部的位置。
14. 如权利要求 1 0所述的血液检测仪, 其特征在于, 还包括乳胶 试剂存储模块, 所述乳胶试剂存储模块用于为乳胶试剂提供低温保存环 境, 所述乳胶试剂存储模块设置在自动进样模块的样本装载区和样本卸 载区之间。
15. 如权利要求 1 3或 14所述的血液检测仪, 其特征在于, 所述乳 胶试剂存储模块包括:
制冷机构, 其内部具有制冷室, 侧面具有开口;
冷室门,用于从制冷室的侧面开口处封闭制冷室,所述冷室门上朝向 制冷室的一面设置有乳胶试剂放置位, 所述冷室门在受力状态下可使乳 胶试剂放置位露出在测量仪外部或将乳胶试剂放置位封闭到制冷室。
16. 如权利要求 15所述的血液检测仪, 其特征在于, 所述冷室门 和制冷机构为分体式结构, 所述冷室门通过推拉和 /或翻转的方式可远 离制冷室并露出在测量仪外部或由测量仪外部靠近制冷室并封闭制冷 室。
17. 如权利要求 16所述的血液检测仪, 其特征在于, 还包括紧急 样本放置位, 紧急样本放置位设置在冷室门背向制冷室的一面。
18. 如权利要求 1至 1 7中任一项所述的血液检测仪,其特征在于, 液路支持模块包括溶血剂输送管路, 所述溶血剂输送管路与 C反应蛋白 测量模块连通。
19. 如权利要求 1或 6所述的血液检测仪对全血样本检测的方法, 其特征在于包括:
样本釆集步骤, 样本釆集与分配模块釆集全血样本;
样本分配步骤, 将釆集的样本分配给血常规测量模块和 C反应蛋白 测量模块, 其中, 根据预设顺序轮流将分配给 C反应蛋白测量模块的样 本分配到所述 C反应蛋白测量模块的多个测量容器中的一个;
血常规测量步骤, 血常规测量模块对被分配的样本进行以获得至少 一个血常规参数为目的的测量并输出测量结果;
C反应蛋白测量步骤, C反应蛋白测量模块对被分配的样本进行以获 得 c反应蛋白参数为目的的测量并输出测量结果。
20. 如权利要求 1 9所述的方法, 其特征在于, 在样本分配步骤中,
样本釆集与分配模块釆集一次样本, 然后分段分配给血常规测量模块和 c反应蛋白测量模块。
21. 如权利要求 19或 20所述的方法, 其特征在于, 在血常规测量 步骤中, 当结束一个样本的血常规测量后即开始下一样本的血常规测 量, 在 C反应蛋白测量步骤中, 至少有两个分配样本的测量过程存在时 间交叠。
22. 如权利要求 21 所述的方法, 其特征在于, 在测量结束后和下 一样本测量开始之前对各测量模块进行清洗。
23. 如权利要求 19或 20所述的方法, 其特征在于, 所述血常规测 量模块包括 WBC分类测量模块、 WBC/HGB测量模块和 RBC/PLT测量模块, 对于每一样本, 样本分配步骤包括:
液路支持模块向 C反应蛋白测量模块中按照预设顺序轮流分配样本 而选中的测量容器中输入溶血剂;
样本釆集与分配模块向 C反应蛋白测量模块中按照预设顺序轮流分 配样本而选中的测量容器中分配定量样本;
样本采集与分配模块向 WBC分类测量模块中分配定量样本; 样本釆集与分配模块向 WBC/HGB测量模块中分配定量样本; 样本釆集与分配模块吸取 WBC/HGB测量模块稀释后的样本并分配到 RBC/PLT测量模块;
液路支持模块向 WBC/HGB测量模块中加入溶血剂;
样本釆集与分配模块吸取乳胶试剂;
样本釆集与分配模块将乳胶试剂加入到按照预设顺序轮流分配样本 而选中的测量容器中。
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