Sample unloading method and sample unloading system

Abstract

The present invention provides a sample unloading method and system. The sample unloading method includes the following steps: obtaining a sample unloading instruction; reading the sample's biorisk information according to the unloading instruction; matching the sample's biorisk information with preset conditions of the unloading area to select one of multiple unloading areas as the sample output area; dispatching the sample to the output area via an unloading device; and outputting the sample from the output area. This sample unloading method and system enable operators to accurately identify samples with high biorisk so that they can be specially treated during the subsequent output process, thereby improving the biosafety of the sample unloading process.

Description

Technical Field

[0001] The present invention relates to the field of biochemical immunoassay, and more particularly to a sample unloading method and a sample unloading system. Background Art

[0002] Total laboratory automation (TLA) systems typically include an output module. After testing, samples are routed to the output module, where operators can remove them. Existing technologies do not perform any pre-processing on samples sent to the output module, nor do they partition the output. After testing is complete, samples are moved to the output module, and only their location within the module is recorded.

[0003] The unloading process of tested samples may pose a biosafety risk to operators. Specifically, the samples may be in an open state after the test, and aerosols or droplets may be generated or even sample leakage may occur during the sample unloading process. Users are prone to infection during operation. The biosafety risk is particularly important for highly contagious virus samples, such as the new coronavirus that has caused harm to the world in recent years. If the tested samples are not stored and output in a unified manner, it will be difficult for operators to make risk assessments and predictions when removing samples from the output module. Therefore, some high-risk samples cannot be specially handled and biosafety risks cannot be effectively avoided. Summary of the Invention

[0004] In view of this, the present invention provides a sample unloading method and a sample unloading system to solve the problem of the lack of partitioned output of samples during the unloading process, which poses a biosafety risk. The technical solution is as follows:

[0005] A sample unloading method comprises the following steps: obtaining a sample unloading instruction; reading the sample's biological risk information according to the unloading instruction; matching the sample's biological risk information with preset conditions of an unloading area to select one of multiple unloading areas as an output area for the sample; dispatching the sample to the output area via an unloading device; and outputting the sample from the output area.

[0006] Optionally, matching the biological risk information of the sample with the preset conditions of the unloading area to select one from multiple unloading areas as the output area of the sample includes: when the biological risk information of the sample meets the preset conditions of a certain unloading area, selecting the unloading area as the output area of the sample; when the biological risk information of the sample meets the preset conditions of multiple unloading areas, selecting the unloading area with a higher priority as the output area of the sample; when the unloading area with a higher priority is not available, selecting the unloading area with the next lower priority as the output area of the sample.

[0007] Optionally, the biological risk information includes at least one of a test result of the sample, a test item of the sample, a source region of the sample, and identity information of the sample.

[0008] Optionally, the priority of the biological risk information is from high to low as follows: the identity information of the sample, the test result of the sample, the test item of the sample, and the source area of the sample; when the biological risk information of the sample includes multiple of the test result of the sample, the test item of the sample, the source area of the sample, and the identity information of the sample, matching the biological risk information of the sample with the preset conditions of the unloading area to select one from the multiple unloading areas as the output area of the sample includes: the biological risk information is used as a screening basis in order of priority from high to low, matching the screening basis with the preset conditions of the unloading area, and when the screening basis meets the preset conditions of the unloading area, selecting the unloading area as the output area of the sample.

[0009] Optionally, the sample unloading method further includes: before outputting the sample from the output area, performing output pre-processing on the sample according to a preset configuration of the unloading area.

[0010] Optionally, the pre-output processing includes at least one of capping the sample or inactivating the sample.

[0011] Optionally, the pre-output processing is completed before the sample is dispatched to the output area, or is completed after the sample is dispatched to the output area and before the sample is output from the output area.

[0012] Optionally, matching the biological risk information of the sample with the preset conditions of the unloading area to select one from multiple unloading areas as the output area for the sample and dispatching the sample to the output area through the unloading device includes: matching the first biological risk information of the sample with the preset conditions of the unloading area to select one from multiple unloading areas as the first output area for the sample and dispatching the sample to the first output area through the unloading device; matching the second biological risk information of the sample with the preset conditions of the unloading area to select one from multiple unloading areas as the second output area for the sample and dispatching the sample from the first output area to the second output area through the unloading device; wherein, the priority of the second biological risk information is higher than the priority of the first biological risk information.

[0013] Optionally, when the biological risk information of the sample includes identity information of the sample, matching the biological risk information of the sample with preset conditions of the unloading area to select one from multiple unloading areas as the output area of the sample includes: directly setting one of the multiple unloading areas as the output area of the sample.

[0014] A sample unloading system includes: multiple unloading areas for storing samples, each of which is configured with preset conditions; an unloading device for dispatching tested samples to the unloading areas; and a controller for matching the biological risk information of the samples with the preset conditions of the unloading areas to dispatch samples that meet the preset conditions to the corresponding unloading areas.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The sample unloading method and system provided by the present invention enable the storage and output of samples in separate zones based on their biorisk information during the post-test unloading process. This unloading method and system enable operators to accurately identify samples with high biorisk, allowing for specialized handling of these samples during subsequent output, thereby improving biosafety during the sample unloading process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0018] Figure 1 A schematic diagram showing a sample unloading system;

[0019] Figure 2 A flow chart illustrating a sample unloading method;

[0020] Figure 3 Show Figure 1 An operator interface for a controller of a sample unloading system;

[0021] Figure 4 Show Figure 1 Another operating interface of the controller of the sample unloading system;

[0022] Figure 5 A schematic diagram showing another sample unloading system. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The present invention will be further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions, and for those skilled in the art, it is not necessary to describe these related operations in detail. They will fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0025] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments. Furthermore, the steps or actions in the method description may be reordered or adjusted in a manner readily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are provided solely for the purpose of clearly describing a particular embodiment and are not intended to be mandatory, unless otherwise specified.

[0026] Component numbers used herein, such as "first" and "second," are used solely to distinguish the components being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0027] In the field of biochemical immunoassays, after a sample is tested, it needs to be unloaded from the analysis device that analyzes the sample and then transferred to an unloading area. The sample is temporarily stored in the unloading area and then output for the next step of post-processing.

[0028] Figure 1A sample unloading system 100 is provided, comprising an unloading device 12, multiple unloading areas, and a controller 11. The unloading device 12 is used to dispatch tested samples to the unloading areas of the unloading system. The controller 11 dispatches samples that meet preset conditions to corresponding unloading areas based on the sample's biorisk information. Multiple unloading areas (e.g., unloading area A, unloading area B, unloading area C) are used to store samples of different categories, enabling accurate identification of samples with varying biorisk levels. Specifically, the unloading device 12 may include a transport device such as a track or conveyor belt, or a gripper for grabbing samples. The unloading area may be configured as a sample-receiving platform, sample rack, or sample box; further, the unloading area may be equipped with a temperature control device for regulating temperature; further, the unloading area may be equipped with a positioning device to accurately position each sample. The controller 11 is in communication with an analysis device for analyzing the samples, the unloading device 12, and the unloading areas.

[0029] Figure 2 A first embodiment of a sample unloading method is provided, which can be specifically combined with Figure 1 The sample unloading system 100 is shown as an embodiment of the structure to be described in detail:

[0030] In step S11, a sample unloading instruction is obtained;

[0031] Specifically, after the sample is tested, the controller 11 receives an unloading instruction to unload the sample from the analysis device.

[0032] In step S12, the biological risk information of the sample is read according to the unloading instruction;

[0033] Specifically, after receiving the unloading instruction, the controller reads the biological risk information of the sample. The biological risk information may include the test results of the sample, the test items of the sample, the source area of the sample, and the identity information of the sample.

[0034] In step S13, the biological risk information of the sample is matched with the preset conditions of the unloading area to select one of the multiple unloading areas as the output area of the sample;

[0035] In one embodiment of the sample unloading method, the sample's biorisk information includes at least one of the following: the sample's test results, the sample's test items, the sample's region of origin, and the sample's identity information. When selecting a sample's output zone, the first step is to determine which biorisk information will be used as the screening criteria. If the sample's biorisk information includes only one of the four aforementioned items, that item will be used as the screening criteria. If the screening criteria meet the pre-set criteria for the unloading zone, that unloading zone will be selected as the sample's output zone. If the biorisk information includes multiple items of the sample's test results, the sample's test items, the sample's region of origin, and the sample's identity information, the multiple items of biorisk information are sorted in descending order of priority, with the highest priority item serving as the screening criteria. If the screening criteria meet the pre-set criteria for the unloading zone, that unloading zone will be selected as the sample's output zone. As an alternative embodiment, the four items of biorisk information may be sorted in descending order of priority: sample's identity information, sample's test results, sample's test items, and the sample's region of origin. It is understood that in other embodiments, the four items may be prioritized in other ways. It should be noted that, in this application, the test results of the samples are the test results of specific test items on the samples during the analysis process before unloading. The test items are the test items performed on the samples during the analysis process before unloading, such as the test items exempted from testing: immunoglobulin G (IgG) test, immunoglobulin M (IgM) test, HIV test, etc. The source area of the sample is a certain classification of the geographical source of the sample, for example, according to the department classification, it can include respiratory department, fever clinic, infectious department, etc. The identity information of the sample is the identification information of a certain sample, such as the unique code and identification code of the sample, etc., and the sample can be queried correspondingly and uniquely through the identity information.

[0036] After determining which biorisk information to use as screening criteria, eligible unloading zones can be selected based on that screening criteria. Specifically, each unloading zone is configured with preset conditions. When a sample's biorisk information (the biorisk information selected as screening criteria) meets the preset conditions of a specific unloading zone, that zone is selected as the sample's output zone.

[0037] When the biorisk information of a sample meets the preset conditions of multiple unloading areas, the unloading area with the highest priority is selected as the sample output area. When the unloading area with the highest priority is unavailable, the unloading area with the next highest priority is selected as the sample output area. In other words, the preset conditions of the multiple unloading areas can be the same or different. The multiple unloading areas are configured with a priority order. When the biorisk information of a sample meets the preset conditions of multiple unloading areas, the unloading area with the highest priority is selected as the sample output area. When the unloading area with the highest priority is unavailable due to being full or malfunctioning, the unloading area with the next highest priority is selected as the sample output area.

[0038] Figure 3 An operation interface of the controller 11 of the sample unloading system 100 is provided, and the operation interface is used to set the preset conditions of each unloading area. An output area selection area is provided at the top of the interface, including multiple unloading areas such as area A, area B, and area C. The preset condition setting area corresponding to each output area is provided at the bottom of the interface. In this embodiment, the preset condition setting area is configured with four preset condition items: output by test results, output by test items, output by sample source, and output by specified samples, which respectively correspond to the test results of the sample in the sample biological risk information, the test items of the sample, the source area of the sample, and the identity information of the sample. The user can select the preset condition item that is effective for the output area by selecting the effective selection key of one or more preset condition items according to his own needs, for example Figure 3 In Area A, select Output by Test Result and also select Output by Specified Sample.

[0039] For each option, the user can edit the content item, e.g. Figure 3 In the example, the preset condition "output according to test results" of area A includes multiple content items such as HIV positive, IgG≥5, IgM≥5, etc. Users can add other content or delete a content item according to actual needs. Since area A also sets multiple sample-specified sample output content items, the output area for each sample is area A, and the output area for samples that meet the various test result conditions set by area A is also area A. For a selected preset condition item, at least one content item is set. As an optional implementation method, no additional effective selection is set for the content item, and the content items set by the user through "Add" are all effective items by default, such as Figure 3 As another optional implementation, a valid selection key is also set for the content item, and the user only selects the valid selection key of the content item, which can also make the selected content item corresponding to the preset conditions take effect, such as Figure 3 "Output by sample source"; as another optional implementation, an effective selection key is also set for the content item. The user needs to select the effective selection key of the preset condition and the effective selection key of the content item of the preset condition at the same time to make the selected content item corresponding to the preset condition effective.

[0040] Similarly, the user can set preset adjustments for other unloading areas according to the above method. It should be noted that the preset conditions of different unloading areas can be the same or different, or can be partially the same, that is, at least one of the content items of the preset condition is the same. The same and different here refer to the same and different content items of the preset conditions. The sameness of two content items does not necessarily mean that they are exactly the same, but the specific biological risk information of a certain sample meets the requirements of both content items at the same time. For example, the test result of a certain sample is IgG=11. At this time, if area A has a preset condition content item IgG≥5 and area B has a preset condition content item IgG≥10, then for this sample, the content item IgG≥5 and the content item IgG≥10 are the same. When the biological risk information of a certain sample meets the preset conditions of two unloading areas at the same time, the unloading area with a higher priority is selected as the output area of the sample. In this embodiment, the priority of each unloading area decreases from area A to area G.

[0041] In this embodiment, the process of selecting a sample unloading area based on the sample's bio-risk information is executed by the controller 11. After the sample test is completed, the controller 11 reads the sample's bio-risk information and uses the bio-risk information's priority order from high to low as a screening basis to screen the output areas. Specifically, the identity information of the sample with the highest priority bio-risk information is first used as the screening basis. If a certain unloading area has a preset condition specifying the output of the sample, the unloading area is selected as the output area for the sample; if multiple unloading areas have preset conditions specifying the output of the sample, the unloading area with the highest priority is selected as the output area for the sample; if no unloading area has a preset condition specifying the output of the sample, the test result of the sample with the next highest priority bio-risk information is selected as the screening basis to screen the output areas. Similarly, if a certain unloading area is set with a preset condition including the test result of the sample, the unloading area is selected as the output area of the sample; when multiple unloading areas are set with a preset condition including the test result of the sample, the unloading area with a higher priority is selected as the output area of the sample; when no unloading area is set with a preset condition including the test result of the sample or the test result of the sample has not been obtained at this time, the biological risk information-sample test item with a lower priority is selected as the screening basis for screening the output area, and the selection process is the same as above. If no unloading area is set with a preset condition including the test item or the sample has not been analyzed and tested due to reasons such as failure of the analytical instrument, the biological risk information-sample source area with the next higher priority is selected as the screening basis, and the selection process is the same as above.

[0042] It should be noted that at least one of the multiple unloading areas is a public unloading area, used to store samples that do not meet any preset conditions. If a sample, after the above process, does not find an output area that meets the conditions based on the sample's identity information, sample test results, sample test items, and sample source area, the public unloading area is selected as the output area for the sample. In this embodiment, area G is used as the public unloading area. It is understood that in other embodiments, one or more other unloading areas can be selected as the public unloading area.

[0043] When the biological risk information includes the identity information of the sample, one of the multiple unloading areas can be directly set as the output area of the sample. Figure 4 Another operation interface of the controller 11 of the sample unloading system 100 is disclosed, which is used to directly set one of the multiple unloading areas as the output area of the sample, such as Figure 4 As shown in , the interface displays the identity information of the sample. Correspondingly, an output area selection menu is provided, and the user can specify a certain unloading area as the output area of the sample according to specific needs.

[0044] In step S14, the sample is dispatched to the output area by the unloading device;

[0045] Specifically, the unloading device can transfer the samples to the output area for parking by grabbing, transporting, etc.

[0046] It should be noted that steps S13 and S14, matching the biological risk information of the sample with the preset conditions of the unloading area to select one from multiple unloading areas as the output area of the sample and dispatching the sample to the output area through the unloading device, may include:

[0047] selecting one of the plurality of unloading areas as a first output area for the sample according to the first biological risk information of the sample and dispatching the sample to the first output area through the unloading device 12;

[0048] According to the second biological risk information of the sample, another one of the multiple unloading areas is selected as the second output area of the sample and the sample is dispatched from the first output area to the second output area through the unloading device 12; wherein the priority of the second biological risk information is higher than the priority of the first biological risk information.

[0049] That is to say, since the priority of the current sample biological risk information is relatively low, the controller 11 first uses the first biological risk information with a lower priority as a screening basis to select the first output area of the sample and dispatch the sample to the first output area; the next time the controller 11 reads the second biological risk information with a higher priority, the sample will be transferred from the first output area to the second output area. The lower and higher priorities here are relative concepts, and the priority ranking of each specific information is as described above. As long as the controller 11 reads the second biological risk information with a higher priority for this sample before the sample is output from the output area, it will reselect the output area of the sample according to the second biological risk information. The process of selecting the second output area is the same as the process of selecting the first output area, and both are matched with the preset conditions of each unloading area. When an unloading area that does not meet the second biological risk information is selected, the sample continues to stay in the first output area.

[0050] The above process of selecting output zones multiple times is generally applicable to situations such as when the sample's test results have not yet been read, or when the user temporarily sets the sample to be dispatched to a specific unloading zone during the unloading process. As an optional embodiment, after the sample analysis is completed, the controller 11 reads its biorisk information and selects the first output zone. Thereafter, the controller 11 rereads the sample's biorisk information at intervals and reselects the output zone if there is an update. If the sample's biorisk information is updated before it is dispatched to the first output zone and the controller 11 selects the second output zone, the sample is dispatched to the first output zone first and then to the second output zone.

[0051] In step S15, the sample is output from the output area;

[0052] Specifically, users can remove samples from various unloading areas as needed, or output samples from the unloading area through the output structure. After output, the samples can be further processed. Because the unloading areas for each sample are classified, users can adopt different treatment methods or protective measures for samples in different unloading areas during post-processing. For example, if all samples in area A test positive for HIV, users can perform special inactivation treatment on the samples after output and place them in a special area, thereby reducing biosafety risks.

[0053] Optionally, before step S15, the sample unloading method further comprises: before outputting the sample from the output area, performing pre-output processing on the sample according to a preset configuration of the unloading area. Preferably, the pre-output processing includes at least one of capping the sample or inactivating the sample.

[0054] Specifically, the user can set the preset configuration of each unloading area, such as Figure 3As shown, in the Unloading Zone Preset Conditions interface, you can also set pre-processing for each unloading zone. Pre-processing can include one or more procedures, such as capping or inactivation. For example, if Capping before Output is selected for Unloading Zone A, all samples output from Unloading Zone A will be capped before output.

[0055] At this time, if Figure 5 The second embodiment of the sample unloading system shown in FIG. 200 includes not only a controller 21, an unloading device 22, and multiple unloading areas (e.g., unloading area A, unloading area B, and unloading area C), but also a pre-output processing device 23. This pre-output processing device 23 may include a capping device, an inactivation device, and other devices to process the sample before output. Pre-output processing is performed before the sample is dispatched to the output area, or after the sample is dispatched to the output area and before the sample is output from the output area.

[0056] In this embodiment, the pre-output processing device 23 is connected to the unloading device 22. After the controller 21 dispatches the sample to the corresponding output area, the sample is transferred from the output area to the pre-output processing device 23 via the unloading device 22. After the sample completes the pre-output processing, the sample is then transported from the pre-output processing device 23 to the output area. Alternatively, after the controller 21 selects the output area, the sample is transferred from the analysis device to the pre-output processing device 23 via the unloading device 22. After the sample completes the pre-output processing, the sample is then transported from the pre-output processing device 23 to the output area. It is understood that in other embodiments, the sample unloading system may further include a transport device for transferring the sample to the pre-output processing device 23, which is provided independently of the unloading device 22.

[0057] Those skilled in the art will appreciate that all or part of the functions of the various methods in the above embodiments can be implemented by hardware or by computer program. When all or part of the functions in the above embodiments are implemented by computer program, the program can be stored in a computer-readable storage medium, and the storage medium can include: read-only memory, random access memory, disk, optical disk, hard disk, etc., and the program is executed by a computer to implement the above functions. For example, the program is stored in the memory of the device, and when the program in the memory is executed by the processor, all or part of the above functions can be implemented. In addition, when all or part of the functions in the above embodiments are implemented by computer program, the program can also be stored in a storage medium such as a server, another computer, disk, optical disk, flash disk or mobile hard disk, and saved in the memory of the local device by downloading or copying, or the system of the local device is updated. When the program in the memory is executed by the processor, all or part of the functions in the above embodiments can be implemented.

[0058] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art, according to the concept of the present invention, the above specific embodiments can be modified.

Claims

1. A sample unloading method, characterized in that: The following steps are involved: Get the sample's uninstall instructions; reading the biological risk information of the sample according to the unloading instruction; matching the biological risk information of the sample with preset conditions of an unloading zone to select one of the plurality of unloading zones as an output zone for the sample; dispatching the sample to the output area via an unloading device; outputting the sample from the output area; Wherein, matching the biological risk information of the sample with the preset conditions of the unloading area to select one of the plurality of unloading areas as the output area of the sample and dispatching the sample to the output area through the unloading device includes: matching the first bio-risk information of the sample with the preset conditions of the unloading zone to select one of the plurality of unloading zones as the first output zone of the sample and dispatching the sample to the first output zone through the unloading device; The second bio-risk information of the sample is matched with the preset conditions of the unloading area to select one of the multiple unloading areas as the second output area of the sample and dispatch the sample from the first output area to the second output area through the unloading device; wherein the priority of the second bio-risk information is higher than the priority of the first bio-risk information.

2. The sample unloading method according to claim 1, characterized in that: The matching of the biological risk information of the sample with the preset conditions of the unloading area to select one of the plurality of unloading areas as the output area of the sample includes: When the biological risk information of the sample meets the preset conditions of a certain unloading area, selecting the unloading area as the output area of the sample; When the biological risk information of the sample meets the preset conditions of multiple unloading areas, the unloading area with a higher priority is selected as the output area of the sample; when the unloading area with a higher priority is unavailable, the unloading area with a lower priority is selected as the output area of the sample.

3. The sample unloading method according to claim 1, characterized in that: The biological risk information includes at least one of a test result of the sample, a test item of the sample, a source region of the sample, and identity information of the sample.

4. The sample unloading method according to claim 3, characterized in that: The priority of the biological risk information is, from high to low, the following: sample identity information, sample test results, sample test items, and sample source region; When the biological risk information of the sample includes multiple of a test result of the sample, a test item of the sample, a source region of the sample, and identity information of the sample, matching the biological risk information of the sample with preset conditions of unloading areas to select one of the multiple unloading areas as the output area of the sample includes: The biological risk information is used as a screening basis in order of priority from high to low, and the screening basis is matched with the preset conditions of the unloading area. When the screening basis meets the preset conditions of the unloading area, the unloading area is selected as the output area of the sample.

5. The sample unloading method according to claim 1, characterized in that: The sample unloading method further includes: Before the sample is output from the output area, the sample is subjected to output pre-processing according to the preset configuration of the unloading area.

6. The sample unloading method according to claim 5, characterized in that: The pre-output processing includes at least one of capping the sample or inactivating the sample.

7. The sample unloading method according to claim 5, characterized in that: The pre-output processing is completed before the sample is dispatched to the output area, or after the sample is dispatched to the output area and before the sample is output from the output area.

8. The sample unloading method according to claim 3, characterized in that: When the biorisk information of the sample includes identity information of the sample, matching the biorisk information of the sample with preset conditions of an unloading zone to select one of the plurality of unloading zones as an output zone for the sample includes: One of the plurality of unloading areas is directly set as the output area of the sample.

9. A sample unloading system, characterized in that: include: A plurality of unloading areas for storing the samples, each of the unloading areas being configured with preset conditions; an unloading device for dispatching the tested samples to the unloading area; a controller, matching the first bio-risk information of the sample with preset conditions of an unloading zone to select one of the plurality of unloading zones as a first output zone for the sample and dispatching the sample to the first output zone through the unloading device; The second bio-risk information of the sample is matched with the preset conditions of the unloading area to select one of the multiple unloading areas as the second output area of the sample and dispatch the sample from the first output area to the second output area through the unloading device; wherein the priority of the second bio-risk information is higher than the priority of the first bio-risk information.

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