JP2011242302A - Specimen rack and division rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a specimen rack of which the shape can be freely formed in the unit of the number of required specimens without transfering specimen containers, and to provide division racks constituting the specimen rack.SOLUTION: A specimen rack 1 on which specimen containers are placed, comprises: the prescribed number (for example, 5 pieces) of division racks 10 having the prescribed number (for example, 10 pieces) of support parts 11 capable of supporting the specimen containers and windows for observing from the outside the specimen containers supported by the respective support parts 11; and coupling members 20 by which the respective division racks 10 are juxtaposed and coupled to one another in a disassembled state with the side surfaces of the division racks 10 being abutted on one another.

Description

  The present invention relates to a sample rack including a plurality of divided racks on which sample containers are placed, and a divided rack constituting the sample rack.

  Samples such as blood, plasma, and serum collected at each medical institution are stored in a sample container and a label indicating the sample number for identifying the sample (for example, bar code display) is attached to the inspection institution. It is transported, subjected to various inspections and stored. When a sample is handled between the time when a test is requested and the time when the sample is stored after the test, the sample container is transferred to various sample racks in a form suitable for various processes (conveyance, sorting, inspection, storage, etc.).

  When a large number of sample containers are transported, they are generally handled in a rack of 50 units. However, when checking by an instrument, a rack of one unit or ten units is used so that the barcode of the sample container and the confirmation of the container shape, the sample amount, and the degree of hemolysis can be easily performed. Further, when performing the centrifugation process, the work of transferring the sample container from the rack to the centrifuge dedicated bucket and returning it to the original rack after the centrifugation process is performed. Furthermore, when the sample is dispensed by a dispenser or the like, the sample container is transferred to a dispenser rack. And after completion | finish of a test | inspection, the operation | work which transfers a sample container to the rack only for storage is performed.

  That is, a rack of 50 units is used for mass transport of sample containers, and a rack of 1 unit or 10 units is used for checking by equipment, so that the work of transferring the sample containers to a suitable rack is required. It has occurred. In addition, in the centrifugation process and the automatic sample dispensing process, a sample container transfer operation occurs because a dedicated rack is used. As a rack on which 50 sample containers can be placed, for example, there is a sample rack disclosed in Patent Document 1.

JP-A-8-271527

  However, as described above, in the prior art, an operation of transferring the sample container to a rack suitable for each operation occurs in the process from the time when the test is requested to the time when the sample is stored after the test, which is very laborious. In addition, there is a risk of sample misplacement, dropping, and falling when transferring.

  Therefore, in the process from the time when the test is requested to the time when the sample is stored after the test, the combination of racks in the number of samples required for each operation can be freely set without transferring the sample containers to different racks. There is a demand for a sample rack having a shape and a function that can be used as they are in the processing step and the automatic dispensing step.

  An object of the present invention is to provide a sample rack that can freely take a rack shape in a required sample unit without transferring samples, and a divided rack that constitutes the sample rack.

  The sample rack of the present invention is a sample rack on which a sample container is placed, and includes a predetermined number of support parts capable of supporting the sample container and a window for observing the sample container supported by each support part from the outside. It has a predetermined number of divided racks and a connecting member that connects the divided racks in a state where the side surfaces of the divided racks are in contact with each other so as to be disassembled.

  The sample rack of the present invention can take two forms as needed, a form in which a predetermined number of divided racks are connected by a connecting member to form a single connected body, and a form in which each divided rack is disassembled. When transporting and storing specimen containers, a large number of specimen containers can be handled collectively by using a coupled body.

  On the other hand, for example, when sorting sample containers, the sample containers can be disassembled and handled in units of divided racks. At this time, the sample containers supported through the window can be observed. Inspection and sorting can be easily performed without taking out from the rack. In addition, since the combination of the divided racks constituting the sample rack is also flexible, for example, when inspecting the sample container for each divided rack, an empty divided rack (other divided rack) in which the sample container is not supported is used. Prepare and move standard specimens or non-standard specimens to the other divided racks, and collect a predetermined number of divided racks or other divided racks on which only the standard specimens are supported and connect them with a connecting member. be able to.

  The sample rack of the present invention further includes an identification member that is detachably attached to the coupling body in order to identify the predetermined number of divided racks coupled by the coupling member as one coupling body. Therefore, the sample rack as a connected body can be identified by the identification member.

  In this case, the identification member can be provided on the connecting member. Thus, the identification member can be removed at the same time by simply removing the connecting member and disassembling it into each divided rack. On the other hand, the identification member can be attached at the same time by simply connecting the divided racks with the connecting member. And assembly work can be facilitated.

  In the sample rack according to the aspect of the invention, the divided rack has one of the first convex portion and the first concave portion that is engaged with the first convex portion on one side surface, and the first convex portion and the first convex portion. The other side of one recess is on the other side. By doing in this way, when connecting with a connection member, when each division | segmentation rack is made into the state (aggregate | assembly) which arranged the side surfaces in contact with each other, it is the 1st convex part of one adjacent division | segmentation rack. By engaging the first recessed portion of the other divided rack, they can be arranged in an appropriate positional relationship with each other, and the assembling work can be facilitated. Moreover, since the positional relationship between adjacent divided racks is maintained in an appropriate state even after being connected by a connecting member to form a connected body, the connected state between each other can be maintained appropriately.

  In the sample rack of the present invention, the split rack has one of a second convex portion and a second concave portion that is engaged with the second convex portion on an upper surface thereof, and the second convex portion and the second concave portion. On the lower surface. In this way, when the sample racks are stacked up and down when transporting or storing a plurality of sample racks, the second convex portion of each divided rack of one sample rack is divided into each divided one of the other sample racks. By engaging with the second recesses of the racks, they can be arranged in an appropriate positional relationship with each other, and it is possible to prevent the stacked sample racks from falling and the upper sample racks from falling.

  In the sample rack of the present invention, the support portion has a plurality of protrusions protruding inward for guiding the sample container to the substantially central portion of the support portion. Since the sample container is supported by the substantially central portion of the support portion by such a protrusion, a certain amount of space is formed between the sample container and the support portion at a portion other than the protrusion. In many cases, labels are wound around the specimen container many times, and the outer shape of the container may be deformed due to a deviation or kinking of the label. Even if there is such a deformed portion, the space between the sample container and the support portion absorbs this, so that it can be supported at the substantially central portion of the support portion.

  In the sample rack of the present invention, the connecting member has a pair of holding portions that hold the divided racks in a state where the divided racks are arranged side by side in contact with each other so as to be pinched from the outside. Each of the parts has a fitting part, the split rack has a fitted part of the shape into which the fitting part can be fitted, and the connecting member is one of the split racks constituting the assembly. The fitting members are attached to the assembly by fitting the fitting portions of the holding portions to the fitted portions of the pair of split racks located on the outside, and the connecting member is located on the outside. The fitting part is detached from the assembly by releasing the fitting of the fitting part with respect to the fitted part of the pair of split racks by a dedicated tool. The connecting member is attached to the assembly by fitting the fitting portion of the connecting member to the fitted portion of the split rack with the assembly sandwiched therebetween, and removal from the assembly is performed by a dedicated tool. Since it is performed by releasing the fitting, the connecting member unexpectedly falls off (removes) from the assembly when used as a connecting body during transportation or storage, so that the connection is released. It is possible to prevent a situation from occurring.

  In the sample rack of the present invention, a plurality of types of connecting members set to different sizes depending on the number of divided racks to be connected are prepared as the connecting members, and the connecting members are arbitrarily replaced to connect them. The number of divided racks to be changed can be changed. In this way, the number of sample containers to be supported can be flexibly changed as necessary.

  The division rack according to the present invention is a division rack used for a sample rack in which a predetermined number of division racks and each division rack are connected to each other in a state where the side surfaces are in contact with each other so as to be disassembled by a connection member. A predetermined number of support portions capable of supporting the sample container and a window for observing the sample container supported by each support portion from the outside, and engaging the first convex portion and the first convex portion. One of the first concave portions having a shape is provided on one side surface, and the other of the first convex portion and the first concave portion is provided on the other side surface.

  When a plurality of divided racks according to the present invention are prepared and each divided rack is in a state of being arranged side by side in contact with each other (aggregate), the first convex portion of one adjacent divided rack is the other By engaging the first recesses of the divided racks, they can be arranged in an appropriate positional relationship with each other, and can be connected by the connecting member in this state, so that the assembly work can be facilitated, and the connecting member Since the positional relationship between the adjacent divided racks is maintained in an appropriate state even after being connected with each other, the connection state with each other can be maintained appropriately. In addition, when the sample is divided, the supported sample container can be observed through the window, so that the inspection and sorting can be easily performed without taking out the sample container from the divided rack.

  In the split rack of the present invention, one of the second convex portion and the second concave portion that engages with the second convex portion is provided on the upper surface, and the other of the second convex portion and the second concave portion is provided on the lower surface. Can have. A plurality of the divided racks of the present invention are prepared, and each divided rack is connected by a connecting member in a state where the side surfaces are in contact with each other to form a sample rack, and a plurality of such sample racks are prepared. When the sample racks are stacked up and down, the second convex portions of the divided racks of one sample rack are engaged with the second concave portions of the divided racks of the other sample rack, so that they are arranged in an appropriate positional relationship. It is possible to prevent the stacked sample racks from falling and the upper sample racks from falling.

  In the split rack according to the present invention, the support portion has a plurality of protrusions protruding inward for guiding the sample container to a substantially central portion of the support portion. Since the sample container is supported by the substantially central portion of the support portion by such a protrusion, a certain amount of space is formed between the sample container and the support portion at a portion other than the protrusion. In many cases, labels are wound around the specimen container many times, and the outer shape of the container may be deformed due to a deviation or kinking of the label. Even if there is such a deformed portion, the space between the sample container and the support portion absorbs this, so that it can be supported at the substantially central portion of the support portion.

  According to the present invention, it is possible to provide a sample rack that can freely take a rack shape in a necessary sample unit without transferring samples, and a divided rack that constitutes the sample rack.

It is a top view which shows the structure of the sample rack of embodiment of this invention. It is a side view which shows the structure of the sample rack of embodiment of this invention. It is a side view which shows the structure of the sample rack of embodiment of this invention. It is a front view which shows the structure of the sample rack of embodiment of this invention. It is a top view which shows the structure of the division | segmentation rack of embodiment of this invention. It is a front view which shows the structure of the division | segmentation rack of embodiment of this invention. It is a side view which shows the structure of the connection clip of embodiment of this invention. It is a front view which shows the structure of the connection clip of embodiment of this invention. It is a top view which shows the structure of the connection clip of embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described.

  Samples such as blood, plasma, and serum collected at each medical institution are placed in a sample container (generally a test tube container having a diameter of about 10 mm to 16 mm), and a sample number (specimen identification information) for identifying the sample A plurality of labels are placed on the sample rack and sent to the sample laboratory in units of sample racks. On the other hand, a sample test request form in which the sample number and test items are entered is also sent to the sample laboratory, and the entered test instruction information is input to the host computer.

  Samples that are transported to the laboratory include standard samples that are stored in sample containers that conform to predetermined standards and non-standard samples that are stored in sample containers that do not conform to standards. Because non-standard specimens cannot be automatically inspected for components, etc., and are manually inspected, it is necessary to sort standard and non-standard specimens prior to such examination. To be implemented. In the following, a case where the sample rack and the divided rack to which the present invention is applied is used in such sorting work will be described as an example, but this is merely an example, and other processes such as an inspection process performed after sorting. Can also be suitably used.

  The overall configuration of the sample rack of this embodiment is shown in FIGS. The sample rack 1 of this embodiment is configured by integrally connecting a predetermined number (5 in this embodiment) of divided racks 10 with a pair of connecting clips (connecting members) 20.

  The divided rack 10 is configured by arranging a predetermined number (10 in the present embodiment) of support portions 11 in a predetermined direction in a line. In the present embodiment, a specimen container made of a substantially cylindrical transparent resin or glass test tube is supported, and the support portion 11 is formed in a substantially rectangular shape in plan view. A window 12a (see FIG. 3) and a window 12b (see FIG. 2) penetrating inward and outward are formed on both side surfaces of the support portion 11, respectively, while the sample container is still supported on the support portion 11. The specimen container can be observed from the outside through the windows 12a and 12b. In addition, as the division | segmentation rack 10, it is preferable to use what was formed from the viewpoint of improving rack intensity | strength. By forming using such a polycarbonate, it can be directly applied to a centrifuge, so that it is not necessary to replace the sample container with a rack dedicated to centrifugation when the centrifuge is used.

  As shown in FIG. 3, the window 12a on one side of the support portion 11 of the split rack 10 is formed so as to reach the upper side of the split rack 10, and the window 12b on the other side is shown in FIG. Further, it is formed so as not to reach the upper side of the split rack 20. The window 12a on one side and the window 12b on the other side are formed in a positional relationship corresponding to each other. For example, an imaging device including a CCD or the like is arranged on one window 12a side, and the window 12b on the other side The sample container can be imaged by collecting light.

  The principal part structure of the division | segmentation rack 10 is shown by FIG.5 and FIG.6. As shown in FIG. 5, the bottom surface 13a of the support portion 11 is formed so as to be recessed in a substantially hemispherical shape so as to correspond to the shape of the bottom portion of the sample container, and a through hole 13b is formed in the center portion thereof. Has been.

  On the side wall of the support portion 11 on the side of the window 12a, side portions facing the left and right sides of the window 12a are folded back toward the inside, thereby forming protrusions 14 protruding inward. The sample container is guided to the central portion of the support portion 11 by the inner surfaces of the three side walls other than the side wall in which the projection 14 and the window 12a of the support portion 11 are formed. A concave R portion is formed in the vicinity of the protrusion 14, and a space 14 a is formed between the sample container and the inner wall of the support portion 11. Therefore, when the label is wound around the sample container many times and the outer shape of the container is deformed due to the offset or kinking of the label, the space 14a and the like can absorb such a deformed portion. The sample container can be supported at a substantially central portion of the support portion 11.

  A plurality of first protrusions 15a projecting outward are formed on the side surface of the split rack 10 on which the window 12a is formed, and the first protrusions are formed on the side surface on which the window 12b is formed. A plurality of first recesses 15b having a shape with which 15a is engaged are formed. A plurality of first protrusions 15c projecting outward are formed on the side surface of the split rack 10 on which the window 12b is formed, and the first side surface on which the window 12a is formed has the first projection 15c. A plurality of first recesses 15d having a shape with which the protrusions 15c are engaged are formed.

  When connecting with the connecting clip 20, when the divided racks 10 are arranged side by side in contact with each other (aggregate), the first convex portions 15a and 15c of one adjacent divided rack 10 are By engaging the first concave portions 15b and 15d of the other divided rack 10, they can be arranged in an appropriate positional relationship with each other, and the assembling work can be facilitated. Moreover, since the positional relationship between the adjacent divided racks 10 is maintained in an appropriate state even after being connected by the connection clip 20, the connection state between each other can be maintained appropriately.

  Note that only one of the first convex portion 15a and the first concave portion 15b corresponding thereto and the first convex portion 15c and the first concave portion 15d corresponding thereto may be provided. Further, in the present embodiment, each of the first convex portion 15a and the first concave portion 15b corresponding to the first convex portion 15a, and the first convex portion 15c and the first concave portion 15d corresponding to the first convex portion 15a are provided. One by one or three or more.

  As shown in FIGS. 5 and 6, the upper surface of the split rack 10 is formed with a plurality of second protrusions 16 a protruding upward, and the second protrusions 16 a are engaged with the lower surface. A plurality of second recesses 16b having a shape to be formed are formed.

  When transporting or storing a plurality of sample racks 1, when the sample racks 1 are stacked up and down, the second convex portion 16 a of each divided rack 10 of one sample rack 1 corresponds to each divided rack of the other sample rack 1. By engaging the 10 second recesses 16b, they can be arranged in an appropriate positional relationship with each other, and it is possible to prevent the stacked sample racks 1 from being overturned or the sample racks 1 placed on the top from falling. it can.

  In addition, although the 2nd convex part 16a was provided in the upper surface of the split rack 10, and the 2nd recessed part 16b corresponding to this was provided in the lower surface, the 2nd convex part 16a was corresponded to this in the lower surface of the split rack 10. The second recess 16b may be provided on the upper surface, or both of them may be provided. In this embodiment, the second convex portion 16a and the corresponding second concave portion 16b are provided in the vicinity of both end portions of the split rack 10, but may be provided closer to the center portion. In the present embodiment, the number of the second convex portions 16a and the second concave portions 16b corresponding to the second convex portions 16a is two, but may be one or three or more.

  As shown in FIG. 6, a pair of (ie, four) sandwiched portions 17 that are recessed are formed on the front and rear surfaces of the split rack 10, and each of the sandwiched portions 17 extends upward or downward. Each has a concave portion 17a as a fitted portion that is recessed in a substantially semi-cylindrical shape. The left and right sandwiched portions 17 are formed symmetrically with each other. These sandwiched portions 17 are portions that are sandwiched by a part of the connecting clip 20 (a sandwiching portion 21 described later) when the plurality of divided racks 10 are coupled.

  The connecting clip 20 for connecting and integrating the aggregates in a state where the side surfaces of the divided racks 10 are arranged side by side is integrated to form a connecting body is configured as shown in FIGS. 7 to 9. . The connection clip 20 of the present embodiment is formed of a substantially rectangular plate-like body, and is bent into a substantially L shape at the main body portion 20a, the arm portions 20b formed at the four corners of the main body portion 20a, and the tips of the respective arm portions 20b. Each of the holding portions 21 is formed as described above. Each clamping part 21 has the convex part 21a as a fitting part which protrudes up or down.

  The clamping portion 21 of the connecting clip 20 is a state in which a predetermined number of the divided racks 10 are arranged side by side in contact with each other (in a state of being an aggregate), and each of the pair of divided racks 10 arranged on the outer side. It is a part which clamps this assembly so that it may be inserted | pinched from the outer side by inserting in the to-be-clamped part 17 of the side located outside. When the sandwiching portion 21 is fitted into the sandwiched portion 17, the convex portion 21 a of the sandwiching portion 21 of the connection clip 20 is brought into the recess 17 a of the sandwiched portion 17 of the split rack 10 by the elasticity of the arm portion 20 b of the connection clip 20. By fitting and fixing to the assembly, the divided racks 10 are integrally connected and assembled as the sample rack 1.

  The disassembly of the sample rack 1 is performed by releasing the fitting of the convex portion 21a to the concave portion 17a with a dedicated tool (jig). That is, it is usually difficult to manually disassemble (divide) the assembled sample rack 1, and the arm portion 20b of the connecting clip 20 is elastically deformed by using a dedicated tool (jig) to thereby form the concave portion 17a. It is possible only by releasing the fitting of the convex portion 21a to the. In addition, as the connection clip 20, what was formed, for example from the polypropylene can be used.

  An identification member 30 for identifying the sample rack 1 as a connected body of a predetermined number of divided racks connected and integrated by the clip 20 from other sample racks is attached to the connection clip 20. In the present embodiment, a label on which a barcode indicating a rack number is printed and used is used as the identification member 30.

  The sample rack 1 of the present embodiment is in a state where five divided racks 10 having ten support portions 11 are connected and integrated by connecting clips 20 when transporting (including storing) the sample containers. Used as a connector. As a result, a maximum of 50 sample containers can be transported collectively, so that transport can be performed with high efficiency and the connecting clip 20 is provided with an identifying member 30. The sample rack can be identified and handled.

  When inspecting the sample container, the connecting clip 20 is removed using a dedicated tool and disassembled into the respective divided racks 10. Thus, the specimen container supported by each divided rack 10 can be inspected. At this time, since the support part 11 has windows 12a and 12b for observation from the outside, the specimen container is supported by the support part. The inspection can be performed as it is without being extracted from 11, and the inspection can be performed easily and efficiently.

  The sorting of the standard sample and the non-standard sample (selection of the standard sample) is performed by disassembling each divided rack 10 and inspecting the sample container for each divided rack 10, for example, an empty sample container is not supported. Prepare a divided rack (another divided rack), move the sample container determined as the standard sample to the other divided rack, and collect a predetermined number (5) of the other divided racks that support only the standard sample. Then, they are connected by a connecting clip 20 to form one connected body, and are carried out as a sample rack 1 that supports only standard samples. Since the sorting can be performed in units of divided racks, the work can be performed with high efficiency, and the identification member 30 provided on the connection clip 20 can be used to identify and accurately handle other sample racks. . Here, the sample container determined to be a standard sample is moved to another division rack, but the sample container determined to be a non-standard sample is moved to another division rack, and the division is such that only the standard sample is supported. A predetermined number (5) of racks may be assembled and connected by the connecting clip 20 to be carried out as one connected body.

  In the above-described embodiment, the identification member 30 is provided on the connecting clip 20 so that the identification member 30 is attached simultaneously with the assembly of a predetermined number of divided racks. And may be separately attached to a sample rack assembled as a linked body of a predetermined number of divided racks.

  Further, in the above-described embodiment, the number of the support portions 11 included in the divided rack 1 is 10. However, the number is not limited thereto, and may be 9 or less or 11 or more.

  Further, in the above-described embodiment, the number of the divided racks 10 constituting the sample rack 1 is five, and the pair of connecting clips 20 set to dimensions corresponding to the widths of the five divided racks 10 are integrally formed. Although fixed, the number of the division racks 10 is not limited to this, and may be 4 or less or 6 or more. In this case, as the connecting clip 20, the number of the divided racks 10 is a size corresponding to two widths, a size corresponding to three widths, a size corresponding to four widths, as described above. A plurality of types of connecting clips 20 having different dimensions, such as those corresponding to five widths as in the embodiment and those corresponding to each of six or more widths, are prepared, By appropriately selecting and using them, the number of divided racks 10 to be integrated can be arbitrarily changed.

  According to the above-described embodiment, the sample containers can be disassembled or assembled as necessary. Therefore, in the conventional technique, when the number of sample units required for each operation is different or a dedicated rack is used, each sample container is transferred. Although work has occurred and much labor has been required, according to the sample rack of the present embodiment, such transfer work can be omitted, and the labor of the work can be greatly reduced. Also, by omitting the transfer work, it is possible to reduce the risk of sample misplacement, dropping, and falling. Furthermore, since the sample rack of the present embodiment has a window to be observed from the outside and a centrifugal durability, it can be used as it is in a check process, a centrifugal treatment process, and an automatic dispensing process.

  The embodiment described above is described for facilitating understanding of the present invention, and is not described for limiting the present invention. Therefore, each element disclosed in the above embodiment includes all design changes and equivalents belonging to the technical scope of the present invention.

  DESCRIPTION OF SYMBOLS 1 ... Sample rack, 10 ... Dividing rack, 11 ... Support part, 12a, 12b ... Window, 14 ... Protrusion, 15a, 15c, 16a, 21a ... Convex part, 15b, 15d, 16b, 17a ... Concave part, 17 ... Clamping 20, connecting clip, 20 a, main body part, 20 b, arm part, 21, clamping part, 30, identification member.

Claims (11)

A sample rack for placing a sample container,
A predetermined number of support racks capable of supporting the sample containers, and a predetermined number of divided racks having windows for observing the sample containers supported by the support sections from the outside;
A sample rack comprising: a connecting member that removably connects the divided racks in a state in which the side surfaces are in contact with each other.   The identification member according to claim 1, further comprising an identification member that is detachably attached to the coupling body in order to identify the predetermined number of divided racks coupled by the coupling member as one coupling body. Sample rack.   The sample rack according to claim 2, wherein the identification member is provided on the connection member.   The divided rack has one of a first convex portion and a first concave portion that engages with the first convex portion on one side surface, and the other of the first convex portion and the first concave portion on the other side. The sample rack according to claim 1, wherein the sample rack is provided on a side surface of the sample rack.   The split rack has one of a second convex part and a second concave part engaged with the second convex part on its upper surface, and has the other of the second convex part and the second concave part on its lower surface. The sample rack according to any one of claims 1 to 4, wherein   The sample rack according to any one of claims 1 to 5, wherein the support portion includes a plurality of protrusions protruding inward to guide the sample container to a substantially central portion of the support portion. The connecting member has a pair of sandwiching portions that sandwich the divided racks so as to sandwich the assembly in a state where the side surfaces of the divided racks are in contact with each other so as to be sandwiched from outside.
Each of the clamping parts has a fitting part,
The split rack has a fitted portion with a shape that allows the fitting portion to be fitted;
The connecting member is configured by fitting each of the fitting portions of each clamping portion to each of the fitted portions of a pair of divided racks located on the outer side of the divided racks constituting the assembly. Attached to the assembly,
The connection member is removed from the assembly by releasing fitting of each fitting portion with respect to each fitted portion of the pair of split racks located on the outside by a dedicated tool. The sample rack as described in any one of -6. As the connecting member, provided with a plurality of types of connecting members set to different dimensions according to the number of divided racks to be connected,
The sample rack according to any one of claims 1 to 7, wherein the number of divided racks to be coupled can be changed by arbitrarily replacing the coupling member. A predetermined number of divided racks, and the divided racks used for a sample rack formed by connecting the respective divided racks in a state where the side surfaces thereof are in contact with each other in a state where the divided racks are disassembled by a connecting member;
A predetermined number of support portions capable of supporting the sample containers, and a window for observing the sample containers supported by the respective support portions from the outside,
One side of the first convex part and the first concave part engaged with the first convex part is provided on one side surface, and the other side of the first convex part and the first concave part is provided on the other side surface. Split rack characterized by.   The split rack has one of a second convex part and a second concave part engaged with the second convex part on its upper surface, and has the other of the second convex part and the second concave part on its lower surface. The division rack according to claim 9.   The division rack according to claim 9 or 10, wherein the support portion has a plurality of protrusions protruding inward to guide the sample container to a substantially central portion of the support portion.

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