CN220194930U - Test tube adapter and sample analyzer - Google Patents

Abstract

The utility model discloses a test tube adapter and a sample analyzer, wherein the test tube adapter is used for adapting to a test tube rack, the test tube rack is provided with a containing groove, the test tube adapter comprises a first installation section and a second installation section, the first installation section is used for being placed in the containing groove, the second installation section is connected with the first installation section, the second installation section is used for being abutted to the top of the test tube rack, the test tube adapter is provided with a containing cavity for containing test tubes, the containing cavity sequentially penetrates through the second installation section and the first installation section and is provided with a first opening for the test tubes to penetrate through, the first opening is positioned on one side, far away from the first installation section, of the second installation section, a centering structure is arranged on the cavity wall of the containing cavity and is used for being abutted to the periphery of the bottom of the test tubes contained in the containing cavity, and a centering hole for centering the bottom of the test tubes is arranged. According to the test tube adapter, the centering structure is arranged to center the bottom of the bullet test tube, so that the test tube can be kept vertically stable, and the sample detection efficiency can be improved.

Description

Test tube adapter and sample analyzer

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a test tube adapter and a sample analyzer.

Background

At present, two blood sampling modes exist clinically: venous whole blood is collected and peripheral blood is collected, wherein the former is contained by a test tube with an outer diameter of 12mm and a height of 75mm, and the latter is contained by a bullet test tube or a Hitachi cup. After the samples are collected, the test tubes are placed in a test tube rack, and then the test tube rack is conveyed to a sample analyzer through a conveying device to detect the samples.

However, since the outer peripheral dimensions of the bullet test tube and the hitachi cup are smaller than those of the whole blood test tube, and the bottom of the bullet test tube is bullet-shaped, the bullet test tube has deviation in shape and dimension from the bottom of the test tube rack, and the bullet test tube cannot always maintain a stable state in the vertical direction after being placed on the test tube rack, and needs to be manually supported to complete sample detection, so that the sample detection efficiency is low.

In view of the above-mentioned drawbacks, it is necessary to provide a new test tube adapter and sample analyzer.

Disclosure of Invention

The utility model mainly aims to provide a test tube adapter and a sample analyzer, and aims to solve the problem of low sample detection efficiency caused by incapability of keeping vertical stability when a bullet test tube is placed on a test tube rack.

To achieve the above object, a test tube adapter according to the present utility model is a test tube rack for adapting to a test tube, the test tube rack having a receiving groove, the test tube adapter comprising:

a first mounting section for placement within the receiving slot;

the second installation section is connected with the first installation section and is used for being abutted with the top of the test tube rack;

the test tube adapter has the chamber that holds that is used for holding the test tube, hold the chamber pass in proper order the second installation section with first installation section, and have the confession the first opening that the test tube passed, first opening is located the second installation section is kept away from one side of first installation section, be equipped with centering structure on holding the chamber wall in chamber, centering structure be used for with hold in hold the intracavity the bottom periphery butt of test tube, and be equipped with be used for right the bottom of test tube is centered centering hole.

Preferably, the centering structure comprises a plurality of bosses arranged at intervals along the circumferential direction, one sides of the bosses close to the first opening are commonly used for abutting against the outer periphery of the bottom of the test tube, and the bosses enclose the centering hole.

Preferably, a side of each boss facing the second mounting section is provided with a centering surface, each centering surface is used for abutting against the outer periphery of the bottom of the test tube, a plurality of centering surfaces enclose a centering cavity communicated with the centering hole, and the size of the centering cavity gradually decreases from one end of the boss close to the first opening to a direction away from the first opening.

Preferably, a guide structure is arranged on the cavity wall of the accommodating cavity, the guide structure comprises a plurality of guide strips extending along the extending direction of the accommodating cavity, the guide strips are in consistent and one-to-one correspondence connection with the bosses, each guide strip is located at one side, close to the first opening, of the corresponding boss, and each guide strip is used for being abutted to the periphery of the test tube.

Preferably, one end of the guide strip, which is close to the first opening, is provided with a guide surface, each guide surface is used for abutting against the periphery of the test tube, a plurality of guide surfaces enclose a guide cavity which is opposite to the centering hole, and the size of the guide cavity gradually decreases from one end of the guide strip, which is close to the first opening, to a direction away from the first opening.

Preferably, an included angle a is formed between the guide surface and one end of the second mounting section away from the first mounting section, wherein a is more than or equal to 60 degrees and less than or equal to 80 degrees.

Preferably, the distance between the guide strip and the end of the second mounting section far away from the first mounting section is d, and d is more than or equal to 2mm and less than or equal to 3mm.

Preferably, the receiving cavity further has a second opening extending through the first mounting section, the second opening being located at an end of the first mounting section remote from the second mounting section.

Preferably, the side wall of the second mounting section is provided with at least one viewing port in communication with the receiving cavity.

Preferably, one end of the second mounting section, which is far away from the first mounting section, is provided with a limiting wall, two corresponding limiting parts are arranged on the limiting wall at intervals, the two side surfaces of the limiting parts, which are oppositely arranged, are respectively concave Cheng Kacao, and the two clamping grooves are used for correspondingly clamping the two opposite edges of the cover of the test tube.

Preferably, a first clamping piece is arranged on the outer side of the first installation section, a second clamping piece is arranged on the groove wall of the accommodating groove, and the first clamping piece is used for being clamped with the second clamping piece.

Preferably, a platform is arranged on one side, far away from the first clamping piece, of the first mounting section, an opening is formed in the groove wall, corresponding to the second clamping piece, of the accommodating groove, one side, located in the opening, of the test tube rack is a plane, and the platform is located in the opening.

In addition, the utility model also provides a sample analyzer, which comprises a test tube rack and the test tube adapter, wherein the test tube rack is provided with a containing groove, the first mounting section is placed in the containing groove, and the second mounting section is abutted with the top of the test tube rack.

In the technical scheme of the utility model, the test tube adapter mainly comprises an upper part and a lower part, namely a second installation section and a first installation section which are mutually connected up and down, wherein the first installation section is in a circular closed cylinder shape, the size of a containing cavity is slightly larger than that of a Hitachi cup, the Hitachi cup is placed in the containing cavity of the test tube adapter as shown in the combination of fig. 3 and 4, and a positioning structure is provided with a centering hole for the bottom of a test tube to pass through as shown in the combination of fig. 5 and 6, and the bottom of a bullet head of the test tube is abutted with the wall of the centering hole, so that the test tube can be centered, and the stability of the test tube along the vertical direction is ensured. The test tube adapter can be compatible with two commonly used test tubes of a bullet and a Hitachi cup, realizes automatic sample injection of the bullet and the Hitachi cup, improves detection efficiency, saves management difficulty of various adapters, and can enable the test tubes to be mounted in an adaptive manner on the existing test tube rack structure or used on an old machine by setting the size and the shape of a first mounting section, thereby improving service cycle of the machine.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a view angle of a test tube adapter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another view of a tube adapter according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a structure of a test tube adapter assembled on a test tube rack according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a test tube adapter assembled on a test tube rack according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing a structure of a test tube adapter assembled on a test tube rack according to another embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a tube adapter assembled on a tube rack according to another embodiment of the present utility model;

FIG. 7 is a schematic view of another view of a tube adapter according to an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of a test tube adapter according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a test tube rack according to an embodiment of the present utility model;

FIG. 10 is a schematic cross-sectional view of a test tube rack assembled with a test tube adapter according to still another embodiment of the present utility model;

FIG. 11 is a schematic view of a test tube adapter according to another embodiment of the present utility model;

FIG. 12 is a schematic view showing a structure of a test tube adapter assembled on a test tube rack according to still another embodiment of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The utility model provides a test tube adapter and a sample analyzer, and aims to solve the problem of low sample detection efficiency caused by incapability of keeping vertical stability when a bullet test tube is placed on a test tube rack.

Referring to fig. 1 to 3, the test tube adapter is used for adapting to the test tube rack 10, the test tube rack 10 has a receiving slot 101, the test tube adapter includes a first mounting section 1 and a second mounting section 2, the first mounting section 1 is used for being placed in the receiving slot 101, the second mounting section 2 is connected with the first mounting section 1, and the second mounting section 2 is used for being abutted with the top of the test tube rack 10, the test tube adapter has a receiving cavity 3 for receiving the test tube 20, the receiving cavity 3 sequentially passes through the second mounting section 2 and the first mounting section 1, and has a first opening 31 for the test tube 20 to pass through, the first opening 31 is located on one side of the second mounting section 2 away from the first mounting section 1, a centering structure 32 is arranged on a cavity wall of the receiving cavity 3, the centering structure 32 is used for being abutted with the bottom periphery of the test tube 20 received in the receiving cavity 3, and a hole for centering the bottom of the test tube 20 is arranged.

The test tube adapter mainly comprises an upper part and a lower part, namely a second installation section 2 and a first installation section 1 which are connected up and down, wherein the first installation section 1 is in a circular closed cylinder shape, the size of a containing cavity 3 is slightly larger than that of a Hitachi cup, the Hitachi cup is placed in the containing cavity 3 of the test tube adapter, the size of the containing cavity 3 is slightly larger than that of the Hitachi cup, for example, the cross section size of the containing cavity 3 is 12.8+/-0.2 mm, and the outer diameter of the Hitachi cup is 12+/-0.5 mm, so that the Hitachi cup is convenient to put in and take out, and the bottom of the Hitachi cup is abutted with a centering structure 32, so that the Hitachi cup can stand stably in the containing cavity 3. Furthermore, as shown in fig. 6 in conjunction with fig. 5, the positioning structure is provided with a centering hole through which the bottom of the test tube 20 passes, and the bullet bottom of the test tube 20 is abutted against the hole wall of the centering hole, so that the test tube 20 can be centered, thereby ensuring the stability of the test tube 20 along the vertical direction. The test tube adapter can be compatible with two commonly used test tubes 20 of a bullet and a Hitachi cup, realizes automatic sample feeding of the two test tubes 20 of the bullet and the Hitachi cup, improves detection efficiency, saves management difficulty of various adapters, and can enable the test tubes 20 to be mounted in an adapting way on the structure of the existing test tube rack 10 and also be used on old machines by setting the size and the shape of the first mounting section 1, thereby improving the service cycle of the machine.

In an embodiment, as shown in fig. 7, the centering structure 32 includes a plurality of bosses 321 disposed at intervals along a circumferential direction, one sides of the bosses 321 near the first opening 31 are commonly used for abutting against the bottom periphery of the test tube 20, and the bosses 321 enclose a centering hole. The circumference that centering hole lower extreme that a plurality of bosss 321 enclose was located, like the broken line circle in fig. 5, the diameter is 7.5mm to make the bullet head bottom of test tube 20 can put into wherein, bullet head bottom periphery can also be by a plurality of boss 321 butt moreover, thereby can prevent that test tube 20 from removing, play test tube 20 stable effect.

Further, a centering surface 3211 is provided on a side of each boss 321 facing the second mounting section 2, each centering surface 3211 is configured to abut against the bottom periphery of the test tube 20, and a plurality of centering surfaces 3211 enclose a centering cavity communicating with the centering hole, and the size of the centering cavity gradually decreases from an end of the boss 321 near the first opening 31 to a direction away from the first opening 31. In order to center the bullet test tube 20, a plurality of centering surfaces 3211 enclose a centering cavity, and a conical containing cavity with a large upper end and a small lower end is arranged in the centering cavity, when the bullet bottom of the test tube 20 is placed in the containing cavity 3, the bullet bottom is abutted by the centering surfaces 3211, so that the bullet can be centered smoothly.

Further, a guiding structure 33 is arranged on the cavity wall of the accommodating cavity 3, the guiding structure 33 comprises a plurality of guiding strips 331 extending along the extending direction of the accommodating cavity 3, the guiding strips 331 are in consistent and one-to-one correspondence with the bosses 321, each guiding strip 331 is located on one side, close to the first opening 31, of the corresponding boss 321, and each guiding strip 331 is used for being abutted to the periphery of the test tube 20. For making test tube 20 can get into smoothly and hold the intracavity 3, hold and be equipped with guide structure 33 on the chamber wall in chamber 3, guide structure 33 includes a plurality of direction bars 331, and the extending direction of a plurality of direction bars 331 is unanimous with the extending direction who holds chamber 3, and when test tube 20 put into and hold intracavity 3, test tube 20 periphery and direction bar 331 butt to make test tube 20 can not with hold the chamber wall contact in chamber 3, reduce test tube 20 and put into the resistance that holds intracavity 3.

In addition, in one embodiment, the end of the guide bar 331 near the first opening 31 is provided with a guide surface 3311, each guide surface 3311 is used for abutting against the outer periphery of the test tube 20, the plurality of guide surfaces 3311 enclose a guide cavity which is opposite to the centering hole, and the size of the guide cavity gradually decreases from the end of the guide bar 331 near the first opening 31 to the direction far away from the first opening 31. To make it easier to place the test tube 20 into the accommodating chamber 3, the guide surface 3311 may be provided at one end of the guide bar 331 near the first opening 31, and when the test tube 20 is placed into the accommodating chamber 3, the outer periphery of the test tube 20 is guided by the guide surface 3311, so that it can smoothly enter into the accommodating chamber 3.

Wherein an included angle a is formed between the guide surface 3311 and one end of the second mounting section 2 far away from the first mounting section 1, and a is more than or equal to 60 degrees and less than or equal to 80 degrees. The upper portion of the guide bar 331 is provided with a guide surface 3311, and an angle a of the guide surface 3311 to the upper plane may be set to 60 °, 65 °, 70 °, 75 °, 80 °, etc., so that the bullet or the Hitachi cup is more easily put in.

Further, in order to achieve various functions, the distance between the guide bar 331 and the end of the second mounting section 2 far from the first mounting section 1 is d, and d is 2mm < 3mm. The guide bar 331 is located a distance d below the upper plane, and may take values of 2mm, 2.2mm, 2.5mm, 2.8mm, 3mm, etc., so that the sample tube is conveniently placed in the receiving chamber 3.

In addition, as shown in fig. 8, in the above embodiment, the accommodating cavity 3 further has a second opening 34 penetrating the first mounting section 1, and the second opening 34 is located at an end of the first mounting section 1 away from the second mounting section 2. The bottom of test tube adapter does not seal, holds the second opening 34 in chamber 3 promptly and runs through and opens in the one end that second installation section 2 was kept away from to first installation section 1, mainly can flow away after the sample takes place to empty, can not gather in the bottom for it is easier to wash.

In one embodiment, as shown in connection with fig. 5, the side wall of the second mounting section 2 is provided with at least one viewing port 21 communicating with the receiving cavity 3. The front and rear ends of the second mounting section 2 of the test tube adapter are provided with viewing ports 21 so that a bullet or a Hitachi cup is put into the test tube adapter and the sample amount therein can be observed through the viewing ports 21.

Further, as shown in fig. 5 and 6, a limiting wall 22 is disposed at one end of the second mounting section 2 away from the first mounting section 1, two corresponding limiting portions 221 are disposed on the limiting wall 22 at intervals, side surfaces of the two limiting portions 221 disposed opposite to each other are respectively concave Cheng Kacao and 2211, and the two clamping grooves 2211 are used for correspondingly clamping opposite edges of the cover 201 of the test tube 20. Bullet test tube 20 includes body and lid 201, and lid 201 establishes on the body, and when lid 201 opened, the rib protrusion of being connected between lid 201 and the body can produce when test-tube rack 10 carries moreover lid 201 and rock, and at this moment, inserts two draw-in grooves 2211 that correspond with the relative both sides edge of lid 201, can prevent that its lid 201 from kick-backing, avoids appearing sampling needle damage, moreover, can also avoid the lid 201 of test tube 20 to interfere other subassemblies when test-tube rack 10 carries.

In addition, as shown in fig. 9 and 10, in the above embodiment, the first clamping member 11 is disposed on the outer side of the first mounting section 1, the second clamping member 102 is disposed on the groove wall of the accommodating groove 101, and the first clamping member 11 is used for clamping with the second clamping member 102. The first installation section 1 of test tube adapter is equipped with first joint spare 11, is equipped with second joint spare 102 in the holding tank 101 of test-tube rack 10, and when test tube adapter used, put into the holding tank 101 of test-tube rack 10 with it, test tube adapter from last down put into the holding tank 101 of test-tube rack 10, first joint spare 11 and the mutual joint of second joint spare 102 can prevent that test tube adapter from coming off in the use from test-tube rack 10.

Further, as shown in fig. 11 and 12, a platform 12 is provided on a side of the first mounting section 1 away from the first clamping member 11, an opening 103 is provided on a groove wall of the accommodating groove 101 corresponding to the second clamping member 102, a side of the test tube rack 10 where the opening 103 is located is a plane, and the platform 12 is located in the opening 103. The back of the test tube adapter is provided with a platform 12, and the platform 12 is used for preventing the test tube adapter from exceeding the plane of the test tube rack 10, so that the test tube rack 10 cannot interfere with other components in the moving process.

In addition, the utility model also provides a sample analyzer, which comprises the test tube rack 10 and the test tube adapter, wherein the test tube rack 10 is provided with the accommodating groove 101, the first mounting section 1 is placed in the accommodating groove 101, and the second mounting section 2 is abutted against the top of the test tube rack 10. The specific structure of the sample analyzer tube adapter refers to the above embodiments, and since the sample analyzer adopts all the technical solutions of all the embodiments, the sample analyzer tube adapter has at least all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (13)

1. A test tube adapter for adapting with a test tube rack having a receiving slot, the test tube adapter comprising:

a first mounting section for placement within the receiving slot;

the second installation section is connected with the first installation section and is used for being abutted with the top of the test tube rack;

the test tube adapter has the chamber that holds that is used for holding the test tube, hold the chamber pass in proper order the second installation section with first installation section, and have the confession the first opening that the test tube passed, first opening is located the second installation section is kept away from one side of first installation section, be equipped with centering structure on holding the chamber wall in chamber, centering structure be used for with hold in hold the intracavity the bottom periphery butt of test tube, and be equipped with be used for right the bottom of test tube is centered centering hole.

2. The tube adapter of claim 1, wherein the centering structure comprises a plurality of circumferentially spaced bosses, wherein a side of the bosses proximate the first opening is commonly used to abut a bottom periphery of the tube, and wherein the bosses enclose the centering aperture.

3. The cuvette adapter as claimed in claim 2, wherein a side of each of the bosses facing the second mounting section has a centering surface, each of the centering surfaces being adapted to abut against a bottom periphery of the cuvette, a plurality of centering surfaces enclosing a centering chamber in communication with the centering hole, the centering chamber decreasing in size from an end of the boss adjacent the first opening to a direction away from the first opening.

4. The test tube adapter of claim 2, wherein the chamber wall of the receiving chamber is provided with a guide structure, the guide structure comprises a plurality of guide strips extending along the extending direction of the receiving chamber, the guide strips are in consistent and one-to-one correspondence connection with the bosses, each guide strip is located on one side of the corresponding boss close to the first opening, and each guide strip is used for abutting with the periphery of the test tube.

5. The cuvette adapter of claim 4, wherein the end of the guide strip adjacent to the first opening is provided with guide surfaces, each of the guide surfaces being adapted to abut against the outer periphery of the cuvette, a plurality of the guide surfaces enclosing a guide cavity disposed opposite the centering hole, the guide cavity decreasing in size from the end of the guide strip adjacent to the first opening in a direction away from the first opening.

6. The cuvette adapter of claim 5, wherein the guide surface has an angle a with an end of the second mounting section remote from the first mounting section of 60 ° -a ∈80 °.

7. The cuvette adapter of claim 4, wherein the distance between the guide bar and the end of the second mounting section remote from the first mounting section is d,2mm +.d +.3 mm.

8. The cuvette adapter of any one of claims 1 to 7, wherein the receiving cavity further has a second opening extending through the first mounting section, the second opening being located at an end of the first mounting section remote from the second mounting section.

9. The cuvette adapter according to any one of claims 1 to 7, wherein a side wall of the second mounting section is provided with at least one viewing port in communication with the accommodation chamber.

10. The test tube adapter according to any one of claims 1 to 7, wherein a limiting wall is arranged at one end of the second mounting section away from the first mounting section, two corresponding limiting parts are arranged on the limiting wall at intervals, side surfaces of the two limiting parts, which are arranged in opposite directions, are respectively concave Cheng Kacao, and the two clamping grooves are used for correspondingly clamping two opposite edges of a cover of the test tube.

11. The tube adapter of any one of claims 1-7, wherein a first clamping member is provided on an outer side of the first mounting section, and a second clamping member is provided on a groove wall of the receiving groove, the first clamping member being configured to be clamped with the second clamping member.

12. The tube adapter of claim 11, wherein a side of the first mounting section remote from the first clamping member has a platform, and wherein the groove wall of the receiving groove corresponding to the second clamping member has an opening therein, and wherein the platform is positioned in the opening.

13. A sample analyser, comprising a test tube rack and a test tube adapter according to any one of claims 1 to 12, the test tube rack being provided with a receiving slot, the first mounting section being placed in the receiving slot, the second mounting section being in abutment with the top of the test tube rack.