CN216018773U - Extension rod for vitrification frozen tube - Google Patents

Abstract

The utility model discloses an extension rod for a vitrification frozen pipe, belonging to the technical field of biomedicine. The extension rod for the vitrification frozen tube comprises a tube body, a tube core and a tube cap, wherein one end of the tube body is detachably connected with the frozen tube; the tube core penetrates through the tube body, the tube core is in sliding connection with the tube body, and the tube core can be pushed against the freezing tube; the tube cap is connected with the tube core and arranged at the other end of the tube body; when the pipe cap is in the first state, the pipe body can be connected with the freezing storage pipe; when the pipe cap is in the second state, the pipe core can be pushed against the freezing storage pipe, so that the pipe body is separated from the freezing storage pipe. The extension rod for the freezing tube for vitrification freezing can prolong the length of the freezing tube, prevent an operator from being frozen in the operation process, facilitate the use of the freezing tube and realize the automatic storage and management of samples.

Description

Extension rod for vitrification frozen tube

Technical Field

The utility model relates to the technical field of biomedicine, in particular to an extension rod for a vitrification freezing storage pipe.

Background

Along with the more mature vitrification freezing technology, the more the vitrification freezing biological samples are, the more the manual storage by the traditional liquid nitrogen aluminum can becomes more difficult, and the error probability is higher and higher. The need for automated access to biological samples has become more and more acute.

Among the prior art, the pole is carried in the vitrification refrigeration of adding rattan, is a slenderness type shaft-like, and it does not have enough sectional area to deposit two-dimensional code or one-dimensional sign indicating, can't realize automatic snatching and access, only can wrap up the one deck label on its surface and carry out the mark, and the label drops easily, causes the confusion of sample.

And the freezing tube for vitrification freezing has a large enough sectional area for storing two-dimensional codes or one-dimensional code marks compared with the vine vitrification freezing carrying rod, and is convenient for realizing automatic grabbing and storing. However, the height of the freezing tube for vitrification freezing is much smaller than that of the loading rod, and because the sample needs to be immersed in liquid nitrogen for quick freezing in the vitrification freezing process, if the freezing tube is short, the operator is easily frostbitten by the liquid nitrogen when the operator gets close to the liquid nitrogen to take and place the freezing tube in the operation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an extension rod for a freezing tube for vitrification freezing, which can extend the length of the freezing tube to prevent an operator from being frostbitten in the operation process, is convenient to use the freezing tube and realizes automatic storage and management of samples.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an extension pole for a vitrification frozen vial, comprising:

one end of the tube body is detachably connected with the freezing tube;

the tube core penetrates through the tube body, is connected with the tube body in a sliding mode, and can be pushed against the freezing tube;

a tube cap connected to the tube core and disposed at the other end of the tube body;

when the pipe cap is in a first state, the pipe body can be connected with the cryopreservation pipe; when the pipe cap is in the second state, the pipe core can be pushed against the freezing storage pipe, so that the pipe body is separated from the freezing storage pipe.

Optionally, one of the outer periphery of the tube core and the inner wall of the tube body is provided with a sliding groove, and the other is provided with a sliding table in sliding connection with the sliding groove.

Optionally, the extension rod for the vitrification frozen vial further comprises an elastic member, and two ends of the elastic member respectively abut against the tube body and the tube cap.

Optionally, the periphery of the pipe cap is provided with a protrusion, the inner wall of the pipe body is provided with a boss, and two ends of the elastic part are respectively abutted to the protrusion and the boss.

Optionally, the tube core is circumferentially provided with a limiting table, the limiting table is arranged on one side, away from the tube cap, of the boss, when the tube cap is in a first state, the boss and the limiting table are arranged at an interval, and when the tube cap is in a second state, the boss is abutted to the limiting table.

Optionally, a magnetic member is disposed on the tube body.

Optionally, be provided with place the platform on the body, place the inboard of platform has the installation cavity, the magnetic part set up in the installation cavity.

Optionally, be provided with joint on the body, joint with the cryopreserved pipe joint, joint with body structure as an organic whole.

Optionally, the joint includes a plurality of jack catchs, and is a plurality of the jack catch is followed body circumference sets up, the jack catch with the periphery joint of freezing the pipe.

Optionally, a holding structure is arranged on the tube body.

The utility model has the beneficial effects that:

the extension rod for the freezing tube for vitrification freezing can extend the length of the freezing tube through the extension rod, is used for assisting a sample to be placed in liquid nitrogen in the freezing tube to be frozen rapidly, prevents an operator from being frozen by the liquid nitrogen in the operation process, and is convenient to use the freezing tube. Can make things convenient for the use to freeze and deposit the pipe, utilize it to deposit two-dimensional code or one-dimensional code sign to realize automatic snatching and access, realized the automatic storage and the management of sample.

Specifically, the tube core is connected with the tube cap, the tube core is connected with the tube body in a sliding mode, external force is applied to enable the tube cap to be switched between the first state and the second state, the tube core is controlled not to be abutted to push or abut to push the cryopreservation tube, the cryopreservation tube is connected with or separated from the tube body conveniently, the structure is simple, the use is convenient, and the reliability is high.

Drawings

FIG. 1 is a schematic structural view of a prior art cryovial;

FIG. 2 is an exploded view of an extension rod for a cryopreservation tube provided by an embodiment of the present invention;

FIG. 3 is a schematic structural view of an extension rod for a cryopreservation tube according to an embodiment of the present invention in a first state;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic structural view of an extension rod for a cryopreservation tube according to an embodiment of the present invention in a second state;

FIG. 6 is a cross-sectional view B-B of FIG. 5;

fig. 7 is an enlarged view at i of fig. 6.

In the figure:

100. freezing and storing the tube; 101. a cap body; 102. an outer sleeve;

1. a pipe body; 11. a sliding table; 12. a boss; 13. placing a platform; 14. a mounting cavity; 15. a clamping head; 151. a claw; 16. a holding structure;

2. a die; 21. a chute; 22. a limiting table;

3. a pipe cap; 31. a protrusion;

4. an elastic member;

5. a magnetic member.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the prior art, as shown in fig. 1, a cryopreservation tube 100 includes a cap body 101, an outer sleeve 102 and a slide for placing a sample, the cap body 101 and the outer sleeve 102 form a containing space, and the slide is placed in the containing space. The cross-sectional area of freezing pipe 100 is great, is enough to deposit two-dimensional code or one-dimensional sign indicating number, and nevertheless highly less, in the operation process, the operator gets when freezing pipe 100 is put to the operator close to the liquid nitrogen and leads to easily that the operator is frostbitten by the liquid nitrogen.

The embodiment provides an extension rod for a freezing storage tube for vitrification freezing, which comprises a tube body 1, a tube core 2 and a tube cap 3, wherein one end of the tube body 1 is detachably connected with the freezing storage tube 100; the tube core 2 penetrates through the tube body 1, the tube core 2 is connected with the tube body 1 in a sliding mode, and the tube core 2 can be pushed against the freezing tube 100; the tube cap 3 is connected to the tube core 2 and is arranged at the other end of the tube body 1; when the pipe cap 3 is in the first state, the pipe body 1 can be connected with the cryopreservation pipe 100; when the cap 3 is in the second state, the tube core 2 can be pushed against the freezing tube 100, so that the tube body 1 is separated from the freezing tube 100.

Alternatively, as shown in fig. 3 to 6, the working process of using the extension rod for the cryopreservation tube of the present embodiment is as follows:

the method comprises the following steps: clamping the periphery of the pipe body 1, and connecting one end of the pipe body 1 with the cap body 101, wherein the pipe cap 3 is in a first state;

step two: placing the extension rod and the cryopreservation tube 100 on a microscope platform, and placing the processed sample on a slide glass;

step three: immersing one end of the extension rod connected with the cap body 101, the cap body 101 and the slide glass in liquid nitrogen for rapidly freezing the sample;

step four: after freezing, the outer sleeve 102 is clamped and immersed in liquid nitrogen, and the outer sleeve 102 is fixed on the cap body 101;

step five: and putting the frozen tube 100 after freezing into a freezing box, pressing the tube cap 3 to enable the tube cap to be in a second state, and enabling the tube core 2 to be abutted against the freezing tube 100 so as to enable the tube body 1 to be separated from the freezing tube 100.

Can make the cryopreserved pipe 100 extension length through the extension rod for the sample is frozen rapidly in placing in liquid nitrogen in cryopreserved pipe 100, has prevented that the operator is frostbitten by liquid nitrogen in operation process, facilitates the use cryopreserved pipe 100. Can conveniently use and freeze and deposit pipe 100, utilize it to deposit two-dimensional code or one-dimensional sign indicating to realize automatic snatching and access, realized the automatic storage and the management of sample.

Specifically, the tube core 2 is connected with the tube cap 3, the tube core 2 is connected with the tube body 1 in a sliding mode, external force is applied to enable the tube cap 3 to be switched between the first state and the second state, the tube core 2 is controlled not to be abutted to push or abut to push the cryopreservation tube 100, the cryopreservation tube 100 is convenient to connect or separate with the tube body 1, the structure is simple, use is convenient, and reliability is high.

Particularly, the tube body 1 can be held by hands, and the operation is convenient; specifically, the outer sleeve 102 may be grasped using hemostats; when the outer sleeve 102 and the cap 101 are threaded, the extension rod may be rotated to achieve assembly of the outer sleeve 102 and the cap 101 in liquid nitrogen.

Alternatively, as shown in fig. 2, 4 and 6, one of the outer periphery of the tube core 2 and the inner wall of the tube body 1 is provided with a slide groove 21, and the other is provided with a slide table 11 slidably connected to the slide groove 21. In this embodiment, pushing the cap 3 makes the sliding table 11 on the tube body 1 slide along the sliding groove 21 on the tube core 2, so as to improve the moving precision between the tube body 1 and the tube core 2, and at the same time, the sliding table 11 and the sliding groove 21 prevent the tube body 1 and the tube core 2 from rotating along the circumferential direction. In other embodiments, the sliding groove may be disposed on the tube body 1, and the sliding table may be disposed on the tube core 2, and the specific structure may be set according to actual situations without limitation.

Optionally, as shown in fig. 2 to 6, the extension rod further includes an elastic member 4, two ends of the elastic member 4 respectively abut against the tube body 1 and the tube cap 3, when an external force acts on the tube cap 3, the tube cap 3 is in the second state, the elastic member 4 is compressed by overcoming the elastic force of the elastic member 4, and the tube cap 3 drives the tube core 2 to move along the tube body 1 toward the direction of the cryopreservation tube 100; when no external force acts on the tube cap 3, the tube cap 3 can be automatically switched from the second state to the first state through the elastic force of the elastic piece 4, the tube core 2 is driven to move along the tube body 1 in the opposite direction, the tube core automatically restores to the first state to be used for the next time, the external acting force is reduced, and the operation is convenient.

Alternatively, as shown in fig. 4, 6 and 7, the outer circumference of the cap 3 has a protrusion 31, the inner wall of the tube body 1 has a boss 12, and both ends of the elastic member 4 abut against the protrusion 31 and the boss 12, respectively, so as to facilitate the installation of the elastic member 4. In this embodiment, the elastic element 4 is a compression spring, and two ends of the compression spring are respectively abutted to the protrusion 31 and the boss 12, but in other embodiments, the elastic element 4 may also be an elastic sheet or other structures, which is not limited.

In this embodiment, as shown in fig. 6 and 7, the longitudinal section of the pipe cap 3 is T-shaped, the protrusion 31 is provided with an end plate, the cross-sectional area of the end plate is larger than that of the protrusion 31, the protrusion 31 is provided with a threaded hole, the pipe core 2 is provided with an external thread, and the pipe core 2 is inserted into the threaded hole and is in threaded connection; the end plate sets up in body 1 outside, can block in pipe cap 3 slips into body 1 through setting up the end plate, improves structural reliability, conveniently operates pipe core 2 through pipe cap 3.

Optionally, as shown in fig. 2 and 7, the tube core 2 is circumferentially provided with a limiting table 22, the limiting table 22 is disposed on one side of the boss 12 away from the tube cap 3, when the tube cap 3 is in the first state, the boss 12 and the limiting table 22 are disposed at an interval, and when the tube cap 3 is in the second state, the boss 12 abuts against the limiting table 22, so that the tube core 2 can be prevented from sliding out from the side where the tube cap 3 is disposed, and the structural reliability is improved. Specifically, when slip table 11 and body 1 structure as an organic whole, be provided with the recess corresponding with spout 21 on the spacing platform 22, during the installation, tube core 2 penetrates from body 1 one side that has slip table 11, avoids spacing platform 22 and slip table 11 to take place the structure and interferes.

Optionally, as shown in fig. 7, the magnetic member 5 is disposed on the tube body 1, and the extension rod can be fixed on the microscope platform by being attracted by the magnetic member 5, so that the extension rod is prevented from moving, which causes the cryopreservation tube 100 to move, and the reliability of placing the sample on the slide is improved. Specifically, the magnetic member 5 may be a magnet block, which is a conventional art and is not limited.

Alternatively, the outer circumference of the tube body 1 may be circular, oval, square or any other shape without limitation.

Optionally, as shown in fig. 5 and 7, a placing platform 13 is arranged on the tube body 1, and a plane of the placing platform 13 is in plane contact with the microscope platform, so that the extension rod is prevented from rolling, and the stability is improved; specifically, place the inboard of platform 13 and have installation cavity 14, magnetism spare 5 sets up in installation cavity 14, carries out the plane contact through place the platform 13 after putting, and rethread magnetism spare 5 adsorbs fixedly, has improved the installation reliability. Specifically, the placing platform 13 may be a platform structure in which the pipe body 1 protrudes outward from the outer periphery, or may be a platform structure in which the pipe body 1 protrudes inward from the outer periphery, which is not limited. Specifically, the placing platform 13 may be disposed on one section of the pipe body 1, or extend along the entire structure of the pipe body 1 along the length direction, without limitation.

Optionally, as shown in fig. 5 and 6, a clamping joint 15 is arranged on the tube body 1, and the clamping joint 15 is clamped with the cryopreservation tube 100, so that when the tube core 2 abuts against the cryopreservation tube 100, the cryopreservation tube 100 is separated from the clamping joint 15; the clamping connector 15 and the pipe body 1 are of an integral structure, can be processed through an integral forming process, and is reliable in structure and convenient to manufacture. Further optionally, the clamping joint 15 includes a plurality of clamping jaws 151, the plurality of clamping jaws 151 are circumferentially arranged along the tube body 1, the clamping jaws 151 are clamped with the periphery of the cryopreservation tube 100, in this embodiment, the clamping jaws 151 are clamped with the periphery of the cap body 101; specifically, the claw 151 may have an existing structure, and will not be described in detail.

Optionally, as shown in fig. 2, a holding structure 16 is disposed on the tube body 1 to facilitate holding the extension rod for use; specifically, the holding structure 16 may be two concave grooves recessed into the outer periphery of the tube 1, so as to facilitate holding by two fingers and prevent the tube 1 from slipping off in the hand.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An extension rod for a vitrification frozen vial, comprising:

one end of the tube body (1) is detachably connected with the freezing tube (100);

the tube core (2) penetrates through the tube body (1), the tube core (2) is connected with the tube body (1) in a sliding mode, and the tube core (2) can be pushed against the freezing tube (100);

a tube cap (3) connected to the tube core (2) and disposed at the other end of the tube body (1);

when the pipe cap (3) is in a first state, the pipe body (1) can be connected with the freezing storage pipe (100); when the tube cap (3) is in the second state, the tube core (2) can be pushed against the freezing tube (100) so as to separate the tube body (1) from the freezing tube (100).

2. The extension rod for the cryopreservation tube of claim 1, wherein one of the outer periphery of the tube core (2) and the inner wall of the tube body (1) is provided with a chute (21), and the other is provided with a slide table (11) slidably connected to the chute (21).

3. The extension pole for the cryopreservation pipe of claim 1, further comprising an elastic member (4), wherein two ends of the elastic member (4) abut against the pipe body (1) and the pipe cap (3), respectively.

4. The extension rod for the cryopreservation tube of claim 3, wherein the outer circumference of the tube cap (3) is provided with a protrusion (31), the inner wall of the tube body (1) is provided with a boss (12), and two ends of the elastic member (4) are respectively abutted against the protrusion (31) and the boss (12).

5. The extension rod for the cryopreservation pipe of claim 4, wherein the pipe core (2) is circumferentially provided with a limiting table (22), the limiting table (22) is arranged on one side, away from the pipe cap (3), of the boss (12), when the pipe cap (3) is in a first state, the boss (12) and the limiting table (22) are arranged at intervals, and when the pipe cap (3) is in a second state, the boss (12) and the limiting table (22) are abutted.

6. The extension rod for a cryopreservation tube of any one of claims 1 to 5, wherein the tube body (1) is provided with a magnetic member (5).

7. The extension rod for the cryopreservation tube of claim 6, wherein a placing platform (13) is arranged on the tube body (1), an installation cavity (14) is arranged on the inner side of the placing platform (13), and the magnetic member (5) is arranged in the installation cavity (14).

8. The extension rod for the cryopreservation pipe of any one of claims 1 to 5, wherein a clamping joint (15) is arranged on the pipe body (1), the clamping joint (15) is clamped with the cryopreservation pipe (100), and the clamping joint (15) and the pipe body (1) are of an integral structure.

9. The extension rod for the cryopreservation pipe of claim 8, wherein the clamping joint (15) comprises a plurality of clamping jaws (151), the plurality of clamping jaws (151) are arranged along the circumferential direction of the pipe body (1), and the clamping jaws (151) are clamped with the outer periphery of the cryopreservation pipe (100).

10. The extension rod for a cryopreservation tube of any one of claims 1 to 5, wherein the tube body (1) is provided with a gripping structure (16).

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