JP3226049U - Cleaning module and sample analyzer including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning module that effectively solves cross contamination due to insufficient cleaning of a waste liquid suction needle, and a sample analyzer including the cleaning module. A cleaning module includes a cleaning module main body for injecting a cleaning liquid into a cuvette equipped with a magnetic bead complex or sucking a waste liquid, a liquid injection needle assembly 20 for injecting the cleaning liquid into the cuvette, and a cuvette. And a waste liquid suction needle assembly 30 for sucking the waste liquid, the waste liquid suction needle assembly including a mounting base and a waste liquid suction needle 34 provided on the mounting base, and an operating position for sucking the waste liquid, and the waste liquid suction A cleaning position for cleaning the needle. [Selection diagram] Figure 1

Description

  The present invention relates to the technical field of medical equipment, and more particularly, to a cleaning module and a sample analyzer including the cleaning module.

  Regarding the chemiluminescence immunoassay technology, taking the chemiluminescence immunoassay apparatus among the sample analyzers as an example, it is an analytical instrument with high sensitivity and high specificity, which has been rapidly developing all over the world in recent years. In the laboratory, each immunological index of the specimen such as blood, urine or other body fluid is detected, and its principle is to achieve high specificity and high sensitivity by combining two technologies of antibody-antigen reaction and chemiluminescence. That is. In chemiluminescence analysis, it is necessary to separate and wash the reaction solution in the reaction container so that more accurate measurement results can be obtained. A common cleaning method is to inject the cleaning liquid into the reaction vessel and mix it sufficiently uniformly, and then discharge the waste liquid in the cuvette using the waste liquid suction needle assembly.

  In a general cleaning mechanism, the liquid injection needle and the waste liquid suction needle are relatively fixed and integrated with each other. When cleaning the waste liquid suction needle, the outer wall of the waste liquid suction needle is generally washed away by spraying the cleaning liquid onto the outer wall of the waste liquid suction needle using a liquid injection needle. However, there is a case where the position of the needle tip of the waste liquid suction needle cannot be sufficiently washed, and in this case, if the waste liquid suction needle continuously sucks the waste liquid, cross contamination may be easily caused in the subsequent cuvette.

  The present invention mainly provides a cleaning module and a sample analyzer including the cleaning module to solve the problem of cross-contamination due to insufficient cleaning of the waste liquid suction needle in the conventional technique.

  According to an aspect of the present invention, there is provided a cleaning module for injecting a cleaning solution into a cuvette equipped with a magnetic bead complex or sucking a waste solution, the cleaning module body, and the cuvette. And a waste liquid suction needle assembly for sucking the waste liquid in the cuvette, and the waste liquid suction needle assembly includes a mounting base and a waste liquid suction needle provided on the mounting base. , A cleaning position for sucking the waste liquid, and a cleaning position for cleaning the waste liquid suction needle.

  Further, the waste liquid suction needle assembly includes a driving unit and a moving base, the mounting base is mounted and fixed to the cleaning module body, the driving unit is fixed to the mounting base, and the moving base is connected to the driving unit. The waste liquid suction needle is fixed to the movable table and reciprocates between the operating position and the cleaning position by the driving of the driving unit.

  Further, the moving table includes a first connecting rod and a second connecting rod, the first end of the second connecting rod is connected to the first connecting rod, and the first connecting rod is connected to the first connecting rod. The two ends are connected to the driving unit.

  Further, there are two waste liquid suction needles, the first end of the second connecting rod is connected to the middle part of the first connecting rod to form a T-shaped structure, and the two waste liquid sucking needles are It is attached to both ends of the connecting rod.

  Further, the moving table includes a conduit holder provided on the first connecting rod, and the waste liquid suction needle assembly includes a waste liquid suction pipe connected to the waste liquid suction needle and a waste liquid suction pipe connected to the waste liquid suction pipe. And a pump.

  Further, the waste liquid suction needle assembly further includes a sensor provided on the side of the waste liquid suction pipe line near the waste liquid suction needle so as to detect the liquid in the waste liquid suction pipe line.

  Further, the injection needle assembly includes a fixed base and an injection needle fixed to the fixed base and in communication with the washing liquid via the injection system.

  Further, the cleaning module further includes a cuvette module including a turntable having a through hole, the fixing table includes a vertical support and a mounting arm, and one end of the vertical support is connected to the first bottom plate. The center axis of the turntable is located in the through hole, the second end of the vertical support penetrates the through hole, the first end of the mounting arm is connected to the second end of the vertical support, and the injection needle is Attached to the second end of the mounting arm.

  Further, the pipe line of the liquid injection system is connected to the liquid injection needle through the turntable through hole.

  Further, there are a plurality of mounting arms, and the plurality of mounting arms are horizontally arranged radially from the second end of the vertical support member in a direction away from the second end of the vertical support member.

  Further, the mount includes a second bottom plate fixed to the cleaning module body and a standing plate fixed to the second bottom plate, the standing plate includes an inverted U-shaped hole, and the movable table is connected to the connecting plate. A base body and a connection shaft provided on the connection base body are included, and the connection shaft is driven through the inverted U-shaped hole so that the connection shaft can move along the trajectory of the inverted U-shaped hole. Connected to the department.

  Further, the drive unit includes a drive motor fixed to the mount and a rotary drive block fixed to the rotary shaft of the drive motor, the rotary drive block is provided with a slit, and the connecting shaft has an inverted U-shaped hole. Is provided inside the slit so as to be movable along the axis of the slit.

  Further, the cleaning module includes a waste liquid suction needle cleaning system including a cleaning tank and a cleaning pump, and when the opening of the cleaning tank is facing upward and the waste liquid suction needle is located at the cleaning position, the waste liquid suction needle is in the cleaning tank. Located in.

  According to another aspect of the present invention, there is provided a sample analyzer including a washing module which is the washing module.

  According to the technical solution of the present invention, the liquid injection needle assembly injects the cleaning liquid into the cuvette, and then, when the waste liquid suction needle assembly is in the operating position for sucking the waste liquid, the liquid inside the cuvette is drained. After sucking and sucking all the waste liquid in the cuvette, it is washed at the washing position. In this way, the waste liquid suction needle can be thoroughly washed by the individual washing method, and the waste liquid remaining in the waste liquid suction needle can be cleaned. It can be greatly reduced, and cross contamination by the waste liquid suction needle can be effectively avoided. The technical solution of the present invention effectively solves the problem of cross contamination due to insufficient cleaning of the waste liquid suction needle in the prior art.

The drawings, which are a part of the present application, are for the purpose of further understanding of the present invention, and the schematic embodiments of the present invention and the description thereof interpret the present invention, but do not unduly limit the present invention. Absent.
1 shows a schematic view of a three-dimensional structure of an embodiment of a cleaning module of the present invention. FIG. 2 shows a schematic top view of the cleaning module of FIG. 1. FIG. 3 is a schematic view of a three-dimensional structure of a waste liquid suction needle assembly of the cleaning module of FIG. 1. FIG. 4 shows another angled schematic view of the waste liquid suction needle assembly of FIG. 3. FIG. 2 is a schematic top view of a liquid injection needle assembly of the cleaning module in FIG. 1.

  It should be noted that the embodiments of the present application and the features of the embodiments can be combined with each other as long as there is no contradiction. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

  It should be noted that the following detailed description is merely exemplary and is intended to provide a further description of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

  For convenience of description, here, in order to describe a spatial positional relationship between one device or feature and another device or feature, a space such as “above”, “above”, “above”, etc. Terms relative to each other can be used. It should be understood that these spatially relative terms are intended to encompass the various orientations of the device in use or operation, in addition to the orientations shown in the drawings. For example, when the device in the figure is turned over, a device described as "above other device or structure" or "above other device or structure" is "below other device or structure" or " "Under other devices or structures". Thus, the exemplary term "above" can include both "above" and "below" orientations. The device may be in other orientations (rotated 90 degrees or in other orientations) and the spatially relative descriptions used herein shall be construed accordingly.

  Hereinafter, exemplary embodiments according to the present application will be described in more detail with reference to the drawings. However, these exemplary embodiments can be implemented in a plurality of different forms and should not be construed as limited to the embodiments described herein. It should be noted that these embodiments are for thoroughly and completely disclosing the disclosure of the present application, and for sufficiently communicating the concept of these exemplary embodiments to those skilled in the art, and for the sake of clarity in the drawings. Since the thicknesses of layers and regions are enlarged and the same parts are denoted by the same reference numerals, the description thereof will be omitted.

  As shown in FIGS. 1 to 5, the cleaning module of the present embodiment injects the cleaning liquid into the cuvette equipped with the magnetic bead complex or sucks the waste liquid. The washing module includes a washing module body, a liquid injection needle assembly 20, and a waste liquid suction needle assembly 30. Pour the cleaning solution into the cuvette. The waste liquid suction needle assembly 30 sucks the waste liquid in the cuvette, and the waste liquid suction needle assembly 30 includes a mounting base 31 and a waste liquid suction needle 34 provided on the mounting base 31, and an operating position for sucking the waste liquid, And a cleaning position for cleaning the waste liquid suction needle.

  According to an aspect of this embodiment, the waste liquid suction needle assembly 30 sucks the liquid in the cuvette, and then the liquid injection needle assembly 20 injects the cleaning liquid into the cuvette. The waste liquid suction needle assembly 30 performs cleaning after sucking all the waste liquid in the cuvette, and the waste liquid suction needle 34 can be thoroughly cleaned by the individual cleaning method, and the waste liquid remaining on the waste liquid suction needle 34 is significantly reduced. However, cross-contamination due to the waste liquid suction needle can be effectively avoided. The technical solution of this embodiment effectively solves the problem of cross-contamination due to insufficient cleaning of the waste liquid suction needle in the prior art.

  Further, the fixing base 21 of the liquid injection needle assembly 20 is fixed to the cuvette module 10, and thus, the liquid injection needle 22 and the liquid injection system do not always have to move, and thus the liquid injection system is not damaged. To extend the life of the injection needle assembly and further reduce the cost of use. The liquid injection system includes a liquid injection line and a liquid injection pump provided in the liquid injection line. However, if necessary, a solenoid valve and a flow meter may be further provided in the liquid injection line. It goes without saying that it may be included.

  As shown in FIGS. 3 and 4, in the technical solution of the present embodiment, the waste liquid suction needle assembly 30 includes a driving unit 32 and a moving base 33, and the mounting base 31 is mounted and fixed to the cleaning module main body and driven. The portion 32 is fixed to the mounting base 31, the moving base 33 is connected to the driving unit 32, the waste liquid suction needle 34 is fixed to the moving base 33, and the driving of the driving unit 32 reciprocates between the operating position and the cleaning position. Exercise. The installation of the moving table 33 and the drive unit 32 facilitates the movement of the waste liquid suction needle 34. Specifically, the drive unit 32 includes a drive motor, the processing cost of the drive motor is low, and the rotation of the drive motor can be converted into regular movement of the waste liquid suction needle 34 by installing the moving table 33. .

  As shown in FIGS. 3 and 4, in the technical solution of the present embodiment, the movable table 33 includes a first connecting rod and a second connecting rod, and a first end of the second connecting rod has a first connecting rod. The second end of the second connecting rod is connected to the driving unit 32. The above structure has a low processing cost, is easy to install, and has a compact structure. Such a moving table 33 can be accurately driven so as to move the waste liquid suction needle 34. In addition, the connection of the second end of the second connecting rod to the driving unit 32 includes direct connection and indirect connection. For example, the second connecting rod of the present embodiment has a vertical connection. It is indirectly connected to the driving unit 32 via a structure such as a plate, a slider, and a connecting shaft. Specifically, the second end of the second connecting rod is connected to the vertical plate, the vertical plate is provided with a horizontal chute, the slider is located in the horizontal chute, the vertical plate is provided with the vertical chute, and the slider is At the same time, it matches the vertical chute, the connecting shaft is provided on the vertical chute, and the above-mentioned constraint ensures the horizontal movement and the vertical movement of the movable table 33.

  As shown in FIG. 3 and FIG. 4, in the technical solution of the present embodiment, there are two waste liquid suction needles 34, and the first end of the second connecting rod is connected to the intermediate portion of the first connecting rod and T Forming a V-shaped structure, two waste liquid suction needles 34 are attached to both ends of the first connecting rod. The above structure improves the efficiency of sucking the waste liquid of the waste liquid suction needle assembly 30. In addition, in the technical solution of this embodiment, each waste liquid suction needle assembly 30 includes two waste liquid suction needles 34, and in the technical solution of this embodiment, two sets of waste liquid suction needle assemblies 30 are provided. The second connecting rod may be linear, and the axis of the second connecting rod and the axis of the first connecting rod may be orthogonal to each other. Of course, the second connecting rod may be arc-shaped. Good. The liquid injection needle 22 is provided in one-to-one correspondence with the waste liquid suction needle, and is located upstream of the corresponding waste liquid suction needle (upstream refers to the direction in which the turntable rotates, that is, the waste liquid is discharged from the cuvette. After the whole is sucked, the turntable continues to rotate to a certain position, and the corresponding liquid injection needle injects the liquid into the cuvette), there are four liquid injection needles, and there are also four waste liquid suction needles. .

  As shown in FIGS. 3 and 4, in the technical solution of the present embodiment, the movable table 33 includes a conduit holder provided on the first connecting rod, and the waste liquid suction needle assembly 30 is attached to the waste liquid suction needle 34. The waste liquid suction pipe line is connected, and the waste liquid suction pump is connected to the waste liquid suction pipe line. By installing the pipe line holder, the waste liquid pipe line is more stably fixed, and the pipe line holder can be installed according to the characteristics of the waste liquid suction pipe line. Therefore, it is necessary to rationally arrange the pipe line holder so that the waste liquid suction pipe line does not have a concave shape, and thus, the liquid does not accumulate in the waste liquid suction pipe line. The conduit holder may include two conduit holders provided on the first connecting rod, and further includes a plurality of conduit holders provided at other positions for fixing the waste liquid conduit.

  As shown in FIG. 3 and FIG. 4, in the technical solution of the present embodiment, the waste liquid suction needle assembly 30 detects the liquid in the waste liquid suction conduit, and the side closer to the waste liquid suction needle 34 of the waste liquid suction conduit. And further includes a sensor 36 provided in the. By detecting the liquid in the waste liquid pipe with the sensor 36, the operator can easily know whether or not all the waste liquid has been sucked.

  As shown in FIGS. 3 and 4, in the technical solution of the present embodiment, the waste liquid suction needle 34 communicates with the waste liquid system via the waste liquid suction system. The liquid sucked by the waste liquid suction needle 34 flows into the waste liquid system through the waste liquid needle, which is advantageous for cleaning the inside of the waste liquid suction needle 34.

  As shown in FIGS. 1 and 5, in the technical solution of the present embodiment, a liquid injection needle assembly 20 is fixed to a fixed base 21 and a liquid injection that is fixed to the fixed base 21 and communicates with a cleaning liquid via a liquid injection system. And a needle 22. Due to the installation of the fixing base 21, the liquid injection needle 22 is conveniently fixed, and the liquid injection needle 22 communicates with the cleaning liquid through the liquid injection system, so that the liquid injection needle 22 is less likely to be contaminated. It should be noted that during operation, the liquid injection needle assembly 20 does not have to move, and the fixing base 21 fixes the liquid injection needle 22.

  As shown in FIGS. 1 and 5, in the technical solution of this embodiment, the cuvette module 10 includes a turntable having a through hole, the fixing table 31 includes a vertical support and a mounting arm, and the vertical support is a vertical support. One end of the turntable is connected to the first bottom plate, the center axis of the turntable is located in the through hole, the second end of the vertical support penetrates the through hole, and the first end of the mounting arm is the first end of the vertical support. The injection needle 22 is attached to the two ends and is attached to the second end of the attachment arm. The structure is compact and has a low mass. Since the vertical support penetrates through the through hole, and the central axis is located in the through hole, the vertical support does not need to rotate when the turntable rotates, and thus the fixing table 21 and the liquid injection system are not rotated. Significantly extend the service life. The cuvette module 10 is a component of the sample analyzer, and the cleaning module needs to be used in combination with the cuvette module 10.

  As shown in FIG. 1, in the technical solution of the present embodiment, the conduit of the liquid injection system is connected to the liquid injection needle 22 through the turntable through hole. It should be noted that the above-mentioned pipe line of the liquid injection system refers to the pipe line of the liquid injection system that is connected to the liquid injection needle 22. In this way, the lines of the injection system do not have to be constantly moved, extending the service life of the injection system.

  As shown in FIGS. 1 and 5, in the technical solution of the present embodiment, a plurality of mounting arms are provided, and the plurality of mounting arms are separated from the second end of the vertical support in the direction away from the second end of the vertical support. Are arranged horizontally in a radial pattern. The structure of multiple mounting arms greatly improves the work efficiency of injecting liquid.

  As shown in FIG. 1, in the technical solution of the present embodiment, the liquid injection needle 22 penetrates the turntable through hole and is connected to the liquid injection needle 22. The liquid injection needle 22 has a dedicated liquid injection system, and the liquid injection needle 22 having the above structure is unlikely to be contaminated.

  As shown in FIGS. 1 to 5, in the technical solution of this embodiment, the fixed base 21 is fixed to the first bottom plate, and the liquid injection needle 22 is fixed to the fixed base 21. The liquid injection needle 22 and the waste liquid suction needle 34 described above are installed separately, and the installation structure is relatively flexible. Of course, as another embodiment of the present application, the fixed base 21 is fixed to the mounting base 31, and the liquid injection needle 22 is fixed to the fixed base 21. Such a liquid injection needle 22 is provided integrally with the waste liquid suction needle 34.

  As shown in FIGS. 1 to 5, in the technical solution of the present embodiment, the mounting base 31 includes a second bottom plate fixed to the cleaning module body and a standing plate fixed to the second bottom plate. The standing plate is provided with an inverted U-shaped hole 35, and the movable table 33 includes a connection base body and a connection shaft provided on the connection base body, and the connection shaft is movable along the trajectory of the inverted U-shaped hole 35. As described above, the inverted U-shaped hole 35 is penetrated and connected to the driving unit 32. In this way, it is not necessary to disassemble the movement of the movable table 33, the movement of the movable table 33 can be achieved all at once, and the efficiency is high. For example, the movement trajectory of the moving table 33 can be decomposed into a horizontal movement and a vertical movement, which requires two driving parts, the movement is performed in multiple steps, and such a structure is complicated. For example, the number of drive units is increased, while the operation time of the mobile table is lengthened and the efficiency is reduced.

  As shown in FIG. 3, in the technical solution of the present embodiment, the drive unit 32 includes a drive motor 321 fixed to the mount 31, and a rotary drive block 322 fixed to a rotation shaft of the drive motor 321. The rotary drive block 322 is provided with a slit, and the connecting shaft is provided in the slit through the inverted U-shaped hole 35 and is movable along the axis of the slit. The rotary drive block 322 drives the movable table 33, and restrains the connecting shafts together with the slit and the inverted U-shaped hole 35, thereby causing the movable table 33 to travel along a predetermined locus, so that the movement of the movable table 33 is relatively stable. And is accurate. Specifically, in the technical solution of this embodiment, two bearings are provided on the coupling shaft, one bearing is located between the inverted U-shaped hole 35 and the coupling shaft, and the other bearing is the slit and the coupling shaft. Located between and. The installation of the bearing reduces the frictional force and avoids locking the connecting shaft with the inverted U-shaped hole 35 or with the connecting shaft and the slit.

  As shown in FIGS. 1 and 2, in the technical solution of the present embodiment, the waste liquid suction needle cleaning system 40 includes a cleaning tank 41, a cleaning line, and a cleaning pump, and the opening of the cleaning tank 41 faces upward. When the waste liquid suction needle 34 is located at the cleaning position, the waste liquid suction needle 34 is located inside the cleaning tank 41. When the waste liquid suction needle 34 is washed, the waste liquid suction needle 34 moves to the washing position, so that the waste liquid suction needle is located in the cleaning tank 41, and the cleaning liquid is present in the cleaning tank 41. Is located in the cleaning tank 41 and sucks the cleaning liquid to the outside, whereby both the outer wall and the inner wall of the waste liquid suction needle 34 can be cleaned. Specifically, for cleaning the outer wall of the waste liquid suction needle 34, the cleaning liquid is sprayed from the cleaning tank 41 to flush the outer wall. The cleaning of the inner wall of the waste liquid suction needle 34 is performed by sucking the cleaning liquid in the cleaning tank 41 from the waste liquid suction needle 34 into the waste liquid system. All positions are washed. The cleaning tank 41 further has a liquid inlet located on the side wall of the cleaning tank 41 and a liquid outlet located on the bottom wall of the cleaning tank 41. The first end of the cleaning line is connected to the inlet, and the cleaning pump is located at the second end of the cleaning line.

  The present application further provides a sample analyzer including a wash module. The cleaning module is the cleaning module described above.

  It should be noted that the terms used herein are for describing specific embodiments and do not limit the exemplary embodiments of the present application. For example, unless the context clearly dictates, the singular forms also include the plural forms, and the use of the terms "comprising" and / or "comprising" in the present specification refers to features, steps, or steps. , Operations, parts, assemblies, and / or combinations thereof are to be understood as being present.

  It should be noted that the terms “first”, “second”, and the like in the specification, claims, and the drawings of the present application are for distinguishing similar objects, and always describe a specific order or priority. Not a thing. It should be understood that the data used in this manner may be interchanged as appropriate so that the embodiments of the present application described herein may be implemented in other orders than described or illustrated herein, for example. Also, the terms "comprising," "comprising," and any variations thereof are intended to cover non-exclusive inclusions, eg, a process, method, system, product or equipment that includes a sequence of steps or means, It is not limited to the explicitly listed steps or means, and may include other steps or means not explicitly listed or specific to the process, method, system, product or equipment.

  The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

  The above drawings include the following symbols.

10 Cuvette Module 20 Injection Needle Assembly 21 Fixing Stand 22 Injection Needle 30 Waste Liquid Suction Needle Assembly 31 Mounting Base 32 Drive Unit 321 Drive Motor 322 Rotation Drive Block 33 Moving Base 34 Waste Liquid Suction Needle 35 Reverse U-Shaped Hole 36 Sensor 40 Waste Liquid Suction Needle cleaning system 41 Cleaning tank

Claims (14)

A cleaning module for injecting a cleaning liquid into a cuvette equipped with a magnetic bead complex or sucking a waste liquid,
Cleaning module body,
An injection needle assembly (20) for injecting a cleaning liquid into the cuvette,
A waste liquid suction needle assembly (30) for sucking the waste liquid in the cuvette;
The waste liquid suction needle assembly (30) includes a mount (31) and a waste liquid suction needle (34) provided on the mount (31), an operating position for sucking waste liquid, and the waste liquid suction needle. And a cleaning position for cleaning (34). The waste liquid suction needle assembly (30) further includes a driving part (32) and a moving table (33),
The mounting base (31) is mounted and fixed to the cleaning module body, the drive unit (32) is fixed to the mounting base (31), and the moving base (33) is mounted to the drive unit (32). Connected,
The waste liquid suction needle (34) is fixed to the movable table (33) and reciprocates between the operating position and the cleaning position by driving the driving unit (32). The cleaning module according to 1. The moving table (33) includes a first connecting rod and a second connecting rod,
The first end of the second connecting rod is connected to the first connecting rod, and the second end of the second connecting rod is connected to the driving unit (32). The cleaning module according to claim 2.   There are two waste liquid suction needles (34), the first end of the second connecting rod is connected to the middle part of the first connecting rod to form a T-shaped structure, and the two waste liquid sucking needles are The cleaning module according to claim 3, wherein (34) is attached to both ends of the first connecting rod. The moving table (33) includes a conduit holder provided on the first connecting rod,
The waste liquid suction needle assembly (30) includes a waste liquid suction pipe connected to the waste liquid suction needle (34), and a waste liquid suction pump connected to the waste liquid suction pipe. Item 3. The cleaning module according to item 3.   The waste liquid suction needle assembly (30) further includes a sensor (36) provided on a side of the waste liquid suction conduit that is closer to the waste liquid suction needle (34) so as to detect liquid in the waste liquid suction conduit. The cleaning module according to claim 5, wherein:   The liquid injection needle module (20) includes a fixed base (21) and a liquid injection needle (22) fixed to the fixed base and communicating with a cleaning liquid through a liquid injection system. The cleaning module according to claim 1. The cleaning module further includes a cuvette module (10) including a turntable having a through hole.
The fixed base (21) includes a vertical support and a mounting arm,
One end of the vertical support is connected to the first bottom plate, a central axis of the turntable is located in the through hole, and a second end of the vertical support passes through the through hole, and the mounting arm is Washing according to claim 7, characterized in that the first end of is connected to the second end of the longitudinal support and the injection needle (22) is attached to the second end of the mounting arm. module.   The cleaning module according to claim 8, wherein a pipe line of the liquid injection system is connected to the liquid injection needle (22) through a through hole of the turntable.   A plurality of the mounting arms, and the plurality of mounting arms are horizontally arranged radially from a second end of the vertical support member in a direction away from the second end of the vertical support member; The cleaning module according to claim 8. The mounting base (31) includes a second bottom plate fixed to the cleaning module body and a standing plate fixed to the second bottom plate,
The standing plate comprises an inverted U-shaped hole (35),
The movable table (33) includes a connection table body and a connection shaft provided on the connection table body.
The connecting shaft passes through the inverted U-shaped hole (35) and is connected to the driving unit (32) so that the connecting shaft can move along the trajectory of the inverted U-shaped hole (35). The cleaning module according to claim 2, wherein: The drive unit (32) includes a drive motor (321) fixed to the mount (31), and a rotary drive block (322) fixed to a rotation shaft of the drive motor (321),
A slit is provided in the rotary drive block (322), the connecting shaft is provided in the slit through the inverted U-shaped hole (35), and is movable along the axis of the slit. The cleaning module according to claim 11, characterized in. The cleaning module further includes a waste liquid suction needle cleaning system (40) including a cleaning tank (41) and a cleaning pump,
When the opening of the cleaning tank (41) is facing upward and the waste liquid suction needle (34) is located at the cleaning position, the waste liquid suction needle (34) is located inside the cleaning tank (41). The cleaning module according to claim 1, wherein: A sample analyzer including a cleaning module,
The sample analyzer, wherein the cleaning module is the cleaning module according to any one of claims 1 to 13.

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