CN113933523A

CN113933523A - Sample analyzer and sample cup removing method

Info

Publication number: CN113933523A
Application number: CN202010604935.6A
Authority: CN
Inventors: 李冬冬; 李鑫; 李爱博; 刘洋
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd; Beijing Precil Instrument Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd; Beijing Precil Instrument Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2022-01-14

Abstract

The invention provides a sample analyzer and a sample cup cleaning method, wherein the sample analyzer comprises: the sample cup loading device comprises at least one loading position for placing a sample cup for sample test; the sample cup conveying device is used for conveying the sample cup to or away from a preset loading position; the sample cup detection device is used for detecting the position of the sample cup; the fixed memory is used for storing the information of the loading position where the sample cup is placed, namely the information of the cup storage position; and the controller records the cup storage position information in the fixed memory according to the position of the sample cup. The sample analyzer and the sample cup cleaning method avoid cleaning all loading positions one by one after power failure, thereby shortening the initialization process or experiment preparation time.

Description

Sample analyzer and sample cup removing method

Technical Field

The invention relates to the technical field of sample analysis equipment, in particular to a sample analyzer and a sample cup removing method.

Background

For in vitro diagnostic instruments, such as blood coagulation analyzers, samples and reagents are usually carried out in disposable cuvettes, and when a test is abnormal or a measurement is completed, the cuvette needs to be cleaned in a waste cup box in time, and the subsequent test is influenced by the cuvette.

In the existing instrument, the position where the reaction cup stays in the measurement process can be tracked, the instrument is mainly used for enabling the reaction cup to correspond to a corresponding test flow so as to finish sample adding, reagent adding, measurement and the like, but the position of the reaction cup is not stored in time or effectively stored, so that the position information of the reaction cup can be lost under the condition of abnormal power failure, after the instrument is started, in order to ensure that all reaction cups which are not remained in incubation hole sites and measurement hole sites during an experiment, the cup cleaning treatment can be only carried out on all positions where the reaction cups are possibly remained, and the initialization process is slow or the experiment preparation time is long.

Disclosure of Invention

In view of the above, the present invention provides a sample analyzer and a method for removing a sample cup, so as to solve the problems that position information of a reaction cup is lost and a cup removing process takes a long time under an abnormal power failure condition. The technical scheme is as follows:

a sample analyzer, comprising: the sample cup loading device comprises at least one loading position for placing a sample cup for sample test; the sample cup conveying device is used for conveying the sample cup to or away from a preset loading position; the sample cup detection device is used for detecting the position of the sample cup; the fixed memory is used for storing the information of the loading position where the sample cup is placed, namely the information of the cup storage position; and the controller records the cup storage position information in the fixed memory according to the position of the sample cup.

Optionally, the sample cup detection device includes a detector for detecting the sample cup, the sample cup transport device includes a gripper for gripping the sample cup, and the detector is disposed on the gripper; and when the detector detects whether the sample cup exists on the grabber before the sample cup is put down and after the grabber puts down the sample cup.

Optionally, after the sample cup detection device detects that the sample cup is located at the preset loading position, the controller records information that the preset loading position is the cup storage position to the fixed memory.

Optionally, when the sample cup detecting device detects that no sample cup is placed on the preset loading position, the controller deletes or updates the information that the preset loading position is the cup storage position from the fixed memory to an empty cup position where the sample cup is not placed on the preset loading position.

Optionally, the sample cup detection device includes a detector, the detector is disposed at the loading position, and when the detector detects that the sample cup is placed at the loading position, the controller records the loading position as a cup storage position to the fixed storage.

Optionally, the controller reads the information of the cup storage position from the fixed memory and controls the sample cup conveying device to clear the sample cup on the cup storage position.

Optionally, the sample analyzer further comprises a prompting unit for prompting the user of information on the cup storage position.

Optionally, the controller controls the sample cup conveying device to convey the sample cup for subsequent testing to a loading position except the cup storage position for testing.

A sample analyzer, comprising: the sample cup loading device comprises at least one loading position for placing a sample cup for sample test; the sample cup conveying device is used for conveying the sample cups to a preset loading position or away from the loading position and comprises a grabber for grabbing the sample cups; the sample cup detection device is used for detecting the position of a sample cup and comprises a detector, the detector is arranged on the gripper, and the detector detects whether the sample cup is on the gripper or not before the sample cup is put down and after the gripper puts down the sample cup; and the memory is used for storing the information of the loading position where the sample cup is placed, namely the information of the cup storage position.

Optionally, the sample analyzer further comprises an alarm unit, and the alarm unit sends an alarm message when the detector does not detect the sample cup before the sample cup is put down and/or detects the sample cup after the gripper puts down the sample cup.

Optionally, the sample analyzer is a coagulation analyzer, and comprises a sample adding device for adding a sample, a sample incubating device for incubating the sample, and a sample detecting device for detecting the sample;

the sample adding device, the sample incubation device and the sample detection device are all provided with sample cup loading devices.

A method of removing a sample cup from a loading position of a sample analyzer for testing a sample, comprising: identifying a loading position where the sample cup is placed; storing the information of the loading position where the sample cup is placed into a fixed memory; reading the information of the loading position where the sample cup is placed in the fixed memory; and removing the sample cup from the loading position where the sample cup is placed.

Compared with the prior art, the invention has the following beneficial effects:

according to the sample analyzer and the sample cup clearing method provided by the invention, the information of the loading position where the sample cup is placed can be stored in the fixed memory, and the residual sample cup at the corresponding position can be cleared through the information after the sample analyzer is restarted. The cleaning mode avoids cleaning all loading positions one by one after power failure, thereby shortening the initialization process or experimental preparation time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a sample analyzer in accordance with one embodiment of the present invention;

FIG. 2 is a schematic view of a sample analyzer in accordance with one embodiment of the present invention;

FIG. 3 is a schematic view of a sample analyzer in accordance with one embodiment of the present invention;

FIG. 4 is a flowchart illustrating a sample cup removing method according to an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Fig. 1 provides a first embodiment of the sample analyzer of the present invention, and the sample analyzer 100 comprises a sample cup loading device 11, wherein the sample cup loading device 11 comprises at least one loading position (loading positions a-D) for placing sample cups for sample testing, and the sample cups are specifically test tubes or reaction cups and other containers for containing reactants such as samples, reagents and the like. The sample cup on the loading position can be a platform for placing the sample cup, an accommodating cavity for accommodating the sample cup or a fixing device for fixing the sample cup; the sample test process comprises sample filling, sample incubation and sample detection, and correspondingly, the loading position comprises a sample adding position, an incubation position and a detection position which respectively provide a sample cup placing position for the processes. Further, the sample analyzer 100 further comprises a storage device for storing the sample cup, and correspondingly, the loading station further comprises a storage position; further, the sample analyzer 100 includes a preprocessing device for performing preparation works such as cleaning and drying of the sample cup, and the loading station includes a preprocessing station. That is, for a sample analyzer 100, there may be multiple loading positions with different functions to satisfy the sample cup placement requirements of different sample testing procedures. It should be noted that the loading positions with different functions may be disposed in different modules or may be disposed in the same module, for example, the loading position and the incubation position are both disposed on the incubation tray of the sample analyzer 100, and the incubation position and the detection position are respectively disposed on the incubation tray and the detection module of the sample analyzer 100; when the application of sample position and the position of hatching all set up on sample analyzer 100's the dish of hatching, application of sample position and the position of hatching can be the same or different and load the position, when application of sample position and the position of hatching are the same and load the position, application of sample process and the process of hatching are accomplished at the same position of loading, when application of sample position and the position of hatching are different and load the position, application of sample process and the process of hatching are accomplished at the different positions of loading of the dish of hatching.

The sample analyzer 100 further includes a sample cup transport device 12, a sample cup detection device 13; the sample cup conveying device 12 is configured to convey the sample cup to or from a preset loading position, specifically, in a sample testing process, the sample cup conveying device 12 conveys the sample cup between different loading positions to complete the whole testing process, generally, the sample cup is sequentially moved from a storage position, a sample loading position, an incubation position, and a detection position, after the testing is completed, the sample cup conveying device 12 conveys the sample cup from the detection position to an unloading area 17, and the unloading area 17 may be disposed inside or outside the sample analyzer 100; the cuvette transport device 12 transports a cuvette from the detection position to the pretreatment position for reuse.

The sample cup detection device 13 is used for detecting the position of the sample cup, and specifically, the sample cup detection device 13 may detect that the sample cup is located at a certain position, and may also detect that the sample cup is not located at a certain position. The sample cup detecting device 13 may include a detector for detecting the sample cup, the detector may be various sensors to detect whether the sample cup is placed at a specific position, the sample cup detecting device 13 obtains the position of the sample cup or whether the sample cup is placed at a certain position according to the position of the detector and the result of the sample cup detected by the detector, for example, the sample cup is detected by the detector arranged at a certain loading position, and then the current position of the sample cup is the loading position.

The sample analyzer 100 further includes a fixed memory 14 and a controller 15; the fixed memory 14 is used for storing information of loading positions where the sample cups are placed, namely information of cup storage positions; the fixed memory 14 is a computer memory, called a nonvolatile memory, which stores data that does not disappear when the current is turned off. The fixed memory 14 and the controller 15 are connected in communication, and after the position of the sample cup is detected by the sample cup detecting device 13, the controller 15 records the information of the loading position where the sample cup is placed, namely the information of the cup storage position, in the fixed memory 14 according to the position of the sample cup, so as to ensure that the information of the cup storage position is not lost in case of sudden power failure.

In this embodiment, the sample cup transport device 12 includes a gripper for gripping the sample cup, and the detector is disposed on the gripper; and when the detector detects whether the sample cup exists on the grabber before the sample cup is put down and after the grabber puts down the sample cup.

In an application scene, the sample cup is grabbed to a preset loading position by the grabber, when the sample cup is detected to be on the grabber before the sample cup is put down by the detector and no sample cup is detected to be on the grabber after the sample cup is put down by the grabber, the grabbing and placing of the sample cup by the grabber are successful, otherwise, the grabbing and placing of the sample cup by the grabber are unsuccessful. In the prior art, the sample cup is usually placed on the grabber only by detecting that the sample cup is not placed on the grabber after the grabber is placed down, and the grabber grabs and places the sample cup successfully. That is, the sample cup detecting device 13 detects whether there is a sample cup on the gripper according to the position of the detector and the detector at different times to obtain the current position of the sample cup. The grabber and the detector are currently positioned above the preset loading position, and the grabber successfully grabs and places the sample cup, so that the sample cup is judged to be currently placed to the preset loading position. After receiving the information that the sample cup is currently placed at the preset loading position, the controller 15 takes the preset loading position as a cup storage position and stores the cup storage position in the fixed storage 14.

In another application scenario, the gripper transports the sample cup away from the preset loading position. The grabber and the detector are no longer located above the preset loading position at present, and the grabber successfully grabs and places the sample cup, so that the sample cup is judged to be no longer placed at the preset loading position at present. The sample cup detecting device 13 detects that no sample cup is placed on the original loading position, and the controller 15 deletes or updates the information that the preset loading position is the cup storing position from the fixed memory 14 to the empty cup position where the sample cup is not placed on the preset loading position.

The sample analyzer 100 further comprises an alarm unit 16, the alarm unit 16 is in communication with the controller 15, and the alarm unit 16 sends an alarm message when the detector does not detect a sample cup before the sample cup is put down and/or detects a sample cup after the gripper puts down a sample cup. That is, the alarm unit 16 issues alarm information when at least one of two conditions that the sample cup is not detected before the sample cup is put down and the sample cup is detected after the gripper puts down the sample cup is satisfied. The alarm sheet is communicatively connected to the controller 15 or the sample cup detecting device 13. The form of the alarm information sent by the alarm unit 16 is various, and the user can use the form of sound, image, text, etc., which is not limited herein.

The recording mode of recording the loading position as the cup storage position or the empty cup position in the fixed memory 14 is various, and as an optional implementation mode, the cup storage position is recorded as 1, and the empty cup position is recorded as 0. In table 1, sample cups are present in the incubation position 1 and the incubation position 2, respectively, and no sample cup is present in the detection position 1 and the detection position 2.

Incubation position 1	1
		Incubation position 2	1
Detection position 1	0
		Detection position 2	0

TABLE 1 fixed memory 14 record status before cup placement

The sample cup in the incubation position 1 is grabbed to the detection position 1 by the grabber, and the information is updated as follows after the grabbing is completed:

incubation position 1	0
		Incubation position 2	1
Detection position 1	1
		Detection position 2	0

TABLE 2 stationary memory 14 record status after cup placement

In this embodiment, the controller 15 stores the information of both the cup storage position and the empty cup position in the fixed memory 14; it is understood that, since the subsequent cup cleaning process is only for the sample cup at the cup storage position, the controller 15 may record only the information of the cup storage position to the fixed memory 14, and not record the information of the empty cup.

In other embodiments, the sample analyzer 100 further comprises a buffer unit for temporarily storing information of the stored cup positions and the empty cup positions, and the buffer unit may be disposed in the controller 15. When the controller 15 receives the position information of the sample cup, the information of the cup storage position and the empty cup position is stored in the buffer unit and is also stored in the fixed memory 14. When the sample analyzer 100 is powered off and restarted, the information of the cup storage position and the empty cup position in the buffer unit is empty, but the information of the cup storage position and the empty cup position in the fixed memory 14 is still reserved.

As an alternative embodiment, after storing the information of the cup storage positions and the empty cup positions in the fixed memory 14, the controller 15 reads the information of the cup storage positions from the fixed memory 14 and controls the sample cup transport device 12 to remove the sample cups on the cup storage positions. Specifically, in the present embodiment, the controller 15 controls the gripper to move to the cup storage position, and then grips the sample cup on the cup storage position to the preset loading position or unloading area 17. When the sample cup on the cup storage position needs to continue the next test process, the grabber grabs the sample cup to the next loading position; when the sample cup on the cup storage position has completed the test process or is initialized by starting up, the grabber grabs the sample cup to the unloading area 17. And for an empty cup position, cup cleaning is not carried out, so that the initialization process is accelerated.

As an alternative embodiment, after storing the information of the cup storage positions and the empty cup positions in the buffer unit and the fixed storage 14, when the sample analyzer 100 is in a normal continuous testing process, the controller 15 controls the sample cup transporting device 12 to empty the sample cup from the cup storage position according to the information of the cup storage positions of the buffer unit; when the sample analyzer 100 is powered off and then is initialized, the controller 15 reads the information of the cup storage position from the fixed memory 14, and controls the sample cup transport device 12 to remove the sample cup on the cup storage position. In this way, the controller 15 need not read the information on the fixed memory 14 for non-power-off conditions, which may further save operating time.

As an optional implementation manner, the sample analyzer 100 further includes a prompting unit, which is in communication connection with the controller 15, and prompts the user about the information of the cup storage position to be used for cleaning the sample cup on the cup storage position in time, so that the user can accurately find the cup storage position and clean the sample cup. This suggestion unit can be the suggestion interface that sets up in controller 15, through signal suggestion users such as characters, image, also can be the signalling device that can instruct to deposit cup position, for example, every loads a position and corresponds a signal lamp respectively, and when placing a kind cup on loading the position, the signal lamp that should load the position and correspond shows for red, and when loading the position and not having a kind cup on, the signal lamp that should load the position and correspond shows for green.

As another optional implementation, when the sample analyzer 100 is powered off and then is powered on for initialization, the prompting unit prompts the user of the information of the cup storage position; when the sample analyzer 100 is in a normal continuous testing process, the prompting unit does not prompt the user of the information of the cup storage position, the controller 15 reads the information of the cup storage position from the fixed memory 14 or the information of the cup storage position according to the information of the cup storage position of the buffer unit, and controls the sample cup transporting device 12 to remove the sample cup on the cup storage position.

As another alternative, the controller 15 controls the sample cup carrying device 12 to carry the sample cup for subsequent testing to a loading position other than the cup storage position for testing. The loading positions other than the cup storage positions are loading positions that are not recorded as cup storage positions, may be empty cup positions, or may be loading positions that do not have any recorded information (neither cup storage positions nor empty cup positions). After transporting the sample cup for subsequent testing to the loading position other than the cup storage position for testing, the controller 15 may control the sample cup transporting device 12 to remove the sample cup on the cup storage position by the controller 15. By adopting the method, the test efficiency is further improved.

Fig. 2 provides a second embodiment of the sample analyzer of the present invention, and the sample analyzer 200 includes a cup loading device 21, a sample transport device 22, a cup detecting device 23, a fixed memory 24, and a controller 25. The difference from the first embodiment of the present invention is that the detector is provided at a loading position (a plurality of loading positions a, B, etc.) and when the detector detects that a sample cup is placed at the loading position, the controller 25 records the loading position as a cup storing position to the fixed memory. Further, when the detector does not detect that the loading site has a sample cup placed therein, the controller 25 records the loading site as a loading site having no sample cup placed therein, i.e., an empty cup site, to the fixed memory. That is, in the present embodiment, the controller 25 does not determine whether the sample cup is successfully placed in the gripper by determining whether the sample cup is currently placed in the gripper by detecting whether the sample cup is currently in the gripper by the detector in the gripper, but directly detects whether the sample cup is currently placed in each loading position. As an optional implementation manner, the sample cup detection device disposed at each loading position detects whether there is a sample cup at the loading position at a fixed period; as another optional implementation manner, after the cup taking or placing at the preset loading position is completed, whether a sample cup exists at the preset loading position is detected.

Likewise, the sample analyzer 200 may also include an alarm unit 26; when the cup is placed in the preset loading position, the detector does not detect the sample cup after the cup placement is finished, and the alarm unit sends out alarm information; when the cup is taken from the preset loading position, the detector detects the sample cup after the cup taking is finished, and the alarm unit sends out alarm information.

Fig. 3 provides a third embodiment of the sample analyzer of the present invention, the sample analyzer 300 is specifically a blood coagulation analyzer for measuring the content of various components in human blood, the sample analyzer 300 includes a sample adding device 31 for adding a sample, a sample incubating device 32 for incubating the sample, and a sample detecting device 33 for detecting the sample; the coagulation analyzer 300 further includes a fixed memory 34, a controller 35, a sample cup carrying device 36, and a sample cup detecting device 37. The sample adding device 31, the sample incubating device 32 and the sample detecting device 33 are all provided with sample cup loading devices, and loading positions of the sample cup loading devices are a sample adding position a, an incubating position B and a detecting position C.

FIG. 4 provides an embodiment of a cuvette removal method of the invention, which is described below in connection with an embodiment of the sample analyzer described above, the cuvette removal method comprising:

s31, identifying the loading position where the sample cup is placed;

the controller identifies the loading position where the sample cup is placed; specifically, the sample detection device detects the position of a sample cup, and the controller identifies whether the sample cup exists on a preset loading position according to the position of the sample cup; or, the sample detection device is directly arranged on the loading position to detect whether a sample cup exists on the preset loading position, and the controller reads the information detected by the sample detection device.

S32, storing the information of the loading position where the sample cup is placed in a fixed memory;

specifically, the controller further processes the information detected by the sample cup detection device and then stores the information of the loading position where the sample cup is placed in the fixed memory; optionally, the controller also saves the information of the loading positions where no sample cup is placed in the fixed memory.

S33, reading the information of the loading position where the sample cup is placed in the fixed memory;

specifically, after receiving the sample cup clearing instruction, the controller reads the information of the loading position in the fixed memory, where the sample cup is placed.

S34, removing the sample cup from the loading position where the sample cup is placed;

specifically, the controller controls the sample cup conveying device to remove the sample cups in the loading positions where the sample cups are placed; or the controller prompts the user of information of the loading positions where the sample cups are placed, and the user removes the sample cups on the corresponding loading positions according to the information; or in a certain scene, the controller controls the sample cup conveying device to clear the sample cups in the loading positions where the sample cups are placed, in another scene, the controller prompts the user with information of the loading positions where the sample cups are placed, and the user clears the sample cups on the corresponding loading positions according to the information.

Further, after the sample removal is completed, the above process is cycled. After the sample cup is transferred from the loading position where the sample cup is placed to a preset empty cup position (the loading position where the sample cup is not placed), the controller re-identifies the loading position where the sample cup is placed, specifically, the original cup storage position is updated to the empty cup position, and the preset empty cup position updating position is used for storing the cup position; after the sample cup is transferred to the unloading area from the loading position where the sample cup is placed, the controller re-identifies the loading position where the sample cup is placed, specifically, the information of the original cup storage position is deleted or the original cup storage position is updated to an empty cup position.

Those skilled in the art will appreciate that all or part of the functions of the various methods in the above embodiments may be implemented by hardware, or may be implemented by computer programs. When all or part of the functions of the above embodiments are implemented by a computer program, the program may be stored in a computer-readable storage medium, and the storage medium may include: a read only memory, a random access memory, a magnetic disk, an optical disk, a hard disk, etc., and the program is executed by a computer to realize the above functions. For example, the program may be stored in a memory of the device, and when the program in the memory is executed by the processor, all or part of the functions described above may be implemented. In addition, when all or part of the functions in the above embodiments are implemented by a computer program, the program may be stored in a storage medium such as a server, another computer, a magnetic disk, an optical disk, a flash disk, or a removable hard disk, and may be downloaded or copied to a memory of a local device, or may be version-updated in a system of the local device, and when the program in the memory is executed by a processor, all or part of the functions in the above embodiments may be implemented.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. Variations of the above-described embodiments may be made by those skilled in the art, consistent with the principles of the invention.

Claims

1. A sample analyzer, comprising:

the sample cup loading device comprises at least one loading position for placing a sample cup for sample test;

the sample cup conveying device is used for conveying the sample cup to a preset loading position or away from the preset loading position;

the sample cup detection device is used for detecting the position of the sample cup;

the fixed memory is used for storing the information of the loading position where the sample cup is placed, namely the information of the cup storage position;

and the controller is used for recording the information of the cup storage position in the fixed memory according to the position of the sample cup.

2. The sample analyzer as claimed in claim 1, wherein the sample cup detecting means includes a detector for detecting the sample cup, the sample cup carrying means includes a gripper for gripping the sample cup, and the detector is provided to the gripper; when the detector is before putting down the sample cup and after the grabber puts down the sample cup, it is right whether there is on the grabber the sample cup detects.

3. The sample analyzer as claimed in claim 1, wherein the controller records the information that the sample cup is the cup storage position in the fixed memory after the sample cup detecting device detects that the sample cup is located in the preset loading position.

4. The sample analyzer as claimed in claim 1, wherein the sample cup detecting means detects that the sample cup is no longer placed on the predetermined loading position, and the controller deletes or updates the information that the predetermined loading position is the cup storing position from the fixed memory to an empty position where the sample cup is not placed on the predetermined loading position.

5. The sample analyzer of claim 1 wherein the sample cup detecting device includes a detector disposed at the loading position, and when the detector detects that the sample cup is placed at the loading position, the controller records the loading position as the cup storage position in the fixed memory.

6. The sample analyzer of claim 1, wherein the controller reads the information of the cup storage location from the fixed memory and controls the sample cup transport device to clear the sample cup on the cup storage location.

7. The sample analyzer of claim 1, further comprising a prompting unit for prompting a user for information about the cup storage location.

8. The sample analyzer of claim 1 wherein the controller controls the sample cup transport device to transport a subsequent sample cup for testing to a loading location other than the cup storage location for testing.

9. A sample analyzer, comprising:

the sample cup conveying device is used for conveying the sample cups to a preset loading position or away from the loading position and comprises a grabber used for grabbing the sample cups;

the sample cup detection device is used for detecting the position of the sample cup and comprises a detector, the detector is arranged on the grabber, and the detector detects whether the sample cup is on the grabber before the sample cup is put down and after the grabber puts down the sample cup;

and the memory is used for storing the information of the loading positions where the sample cups are placed, namely the information of the cup storage positions.

10. The sample analyzer of claim 9, further comprising an alarm unit that sends an alarm message when the detector does not detect the sample cup before the sample cup is set down and/or when the gripper has set down the sample cup.

11. The sample analyzer of claims 1-10, wherein the sample analyzer is a coagulation analyzer comprising a sample adding device for adding a sample, a sample incubating device for incubating a sample, and a sample detecting device for detecting a sample;

the sample adding device, the sample incubation device and the sample detection device are all provided with the sample cup loading device.

12. A method of removing a sample cup from a loading position of a sample analyzer for testing a sample, comprising:

identifying a loading position where the sample cup is placed;

storing the information of the loading position where the sample cup is placed into a fixed memory;

reading the information of the loading position where the sample cup is placed in the fixed memory;

and removing the sample cup from the loading position where the sample cup is placed.