CN216018772U - Extension rod for vitrification freezing carrier - Google Patents

Abstract

The utility model discloses an extension rod for a vitrified freezing carrier, and belongs to the technical field of biomedicine. The extension rod for the vitrification freezing carrier comprises a pipe body, a pipe core and a toggle button, wherein one end of the pipe body is detachably connected with the vitrification freezing carrier; the tube core is arranged in the tube body in a penetrating way; the shifting button is connected with the tube core, is arranged on the periphery of the tube body and can move along the length direction of the tube body; the shifting knob is in an initial state, so that the tube body can be connected with the vitrification freezing carrier; the toggle button is in a working state and can push the tube core to push against the vitrification freezing carrier so as to separate the vitrification freezing carrier from the tube body. The extension rod for the vitrification freezing carrier can extend the length of the vitrification freezing carrier to prevent an operator from being frostbitten in the operation process, is convenient to use the vitrification freezing carrier, and realizes the automatic storage and management of samples.

Description

Extension rod for vitrification freezing carrier

Technical Field

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

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 vitrification freezing carrier has a sectional area which is large enough for storing two-dimensional codes or one-dimensional code marks relative to the rattan vitrification freezing carrier rod, so that automatic grabbing and storing are facilitated. However, the height of the vitrification frozen carrier is much smaller than that of the loading rod, and since the sample needs to be rapidly frozen by immersing in liquid nitrogen during the vitrification freezing process, if the vitrification frozen carrier is short, the operator is easily frozen by the liquid nitrogen during the operation.

SUMMERY OF THE UTILITY MODEL

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

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

an extension rod for vitrifying a frozen carrier, comprising:

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

the tube core is arranged in the tube body in a penetrating way;

the shifting button is connected to the tube core, is arranged on the periphery of the tube body and can move along the length direction of the tube body;

the toggle button is in an initial state, so that the tube body can be connected with the vitrification freezing carrier; the toggle button is in a working state and can push the tube core to abut against the vitrification freezing carrier so as to separate the vitrification freezing carrier from the tube body.

Optionally, a sliding groove is formed in the tube body, the sliding groove extends along the length direction of the tube body, and one end of the toggle button penetrates through the sliding groove and is connected with the tube core.

Optionally, the toggle button includes an operation portion and a connecting rod portion connected to each other, the operation portion is slidably connected to the sliding groove, and the connecting rod portion is inserted into the tube core.

Optionally, the extension rod further includes an elastic member, the elastic member is disposed between the tube core and the tube body, and the elastic member is capable of switching the toggle button from the working state to the initial state.

Optionally, the periphery of the tube core is provided with a first limiting boss, the inner wall of the tube body is provided with a second limiting boss, and two ends of the elastic part abut against the first limiting boss and the second limiting boss.

Optionally, an installation groove is formed in the second limiting boss towards the first limiting boss, the elastic piece is a compression spring, and the tube core is sleeved with the compression spring and penetrates through the installation groove.

Optionally, the body still is connected with the joint, the first end of joint with the body can be dismantled and be connected, the second end of joint with vitrification freezing carrier joint, the first end tip of joint forms the spacing boss of second.

Optionally, the tube core includes the core body and with the liftout of connection can be dismantled to the core body, the joint has the storage tank, the liftout activity set up in the storage tank, first spacing boss set up in the core body, dial the button and be in under the initial condition, the liftout support lean on in the tank bottom of storage tank, dial the button and be in under the operating condition, the liftout with the tank bottom separation of storage tank.

Optionally, a planar structure is arranged on the pipe body.

Optionally, the extension pole further comprises:

one end of the connecting rod is rotatably arranged at the other end of the tube body;

the pipe cap is connected to the other end of the connecting rod;

and the gasket is arranged between the pipe cap and the pipe body.

The utility model has the beneficial effects that:

according to the extension rod for the vitrification freezing carrier, the length of the vitrification freezing carrier can be extended through the extension rod, the extension rod is used for assisting a sample to be placed in liquid nitrogen in the vitrification freezing carrier to be frozen rapidly, an operator is prevented from being frozen by the liquid nitrogen in the operation process, and the vitrification freezing carrier is convenient to use. And then can conveniently use the vitrification freezing carrier, 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 is connected with the shifting button, external force is applied to the shifting button, so that the shifting button is switched between an initial state and a working state, the tube core is controlled not to push or push the vitrification freezing carrier, the vitrification freezing carrier is convenient to connect or separate with the tube body, the structure is simple, the use is convenient, and the reliability is high.

Drawings

FIG. 1 is a schematic diagram of the structure of a vitrified frozen carrier provided in the prior art;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an exploded view of an extension pole provided by an embodiment of the present invention;

FIG. 4 is a schematic view of an extension pole provided in accordance with an embodiment of the present invention in an initial state;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is a schematic view of an extension pole according to an embodiment of the present invention in an operating state;

FIG. 7 is a cross-sectional view C-C of FIG. 6;

FIG. 8 is an enlarged view taken at I of FIG. 7;

fig. 9 is a schematic structural view of a tube according to an embodiment of the present invention.

In the figure:

100. vitrifying the frozen carrier; 101. installing a cap; 102. an outer sleeve; 103. carrying a slide;

1. a pipe body; 11. a sliding groove; 12. a second limit boss; 121. mounting grooves; 13. a clamping head; 131. a claw; 132. a containing groove; 14. a planar structure;

2. a die; 21. a first limit boss; 22. a core body; 23. a push-out part;

3. a toggle button is pushed; 31. an operation section; 32. a link section;

4. an elastic member;

5. a connecting rod;

6. a pipe cap;

7. and (7) a gasket.

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 and fig. 2, a vitrified freezing carrier 100 comprises a mounting cap 101, an outer sleeve 102 and a slide 103 for placing a sample, the mounting cap 101 and the outer sleeve 102 form a containing space, and the slide 103 is placed in the containing space. The cross-sectional area of the vitrified freezing carrier 100 is large enough to store a two-dimensional code or a one-dimensional code mark, but the height is small, and in the operation process, when an operator gets and puts the vitrified freezing carrier 100 close to liquid nitrogen, the operator is easily frostbitten by the liquid nitrogen.

The embodiment provides an extension rod for a vitrification freezing carrier, as shown in fig. 3, which comprises a tube body 1, a tube core 2 and a toggle button 3, wherein one end of the tube body 1 is detachably connected with the vitrification freezing carrier 100; the tube core 2 is arranged in the tube body 1 in a penetrating way; the shifting button 3 is connected with the tube core 2, the shifting button 3 is arranged on the periphery of the tube body 1, and the shifting button 3 can move along the length direction of the tube body 1; the toggle button 3 is in an initial state, so that the tube body 1 can be connected with the vitrification freezing carrier 100; when the toggle button 3 is in a working state, the toggle button 3 can push the tube core 2 to push against the vitrification freezing carrier 100, so that the vitrification freezing carrier 100 is separated from the tube body 1.

Alternatively, as shown in fig. 3-6, the working process using the extension rod for vitrification of freezing carriers in this embodiment is as follows:

the method comprises the following steps: clamping the periphery of the tube body 1, connecting one end of the tube body 1 with the mounting cap 101, and enabling the toggle button 3 to be in an initial state;

step two: placing the extension rod together with the vitrified frozen carrier 100 on a microscope stage, and placing the processed sample on a slide 103;

step three: immersing one end of the extension rod connected with the mounting cap 101, the mounting cap 101 and the slide glass 103 in liquid nitrogen for quick freezing of 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 mounting cap 101;

step five: putting the vitrified freezing carrier 100 after freezing into a freezing storage box, pushing the toggle button 3 to enable the vitrified freezing carrier 100 to be in a working state, and pushing the tube core 2 against the vitrified freezing carrier 100 to separate the tube body 1 from the vitrified freezing carrier 100.

The length of the vitrified freezing carrier 100 can be prolonged through the extension rod, the vitrified freezing carrier 100 is used for assisting a sample to be placed in liquid nitrogen in the vitrified freezing carrier 100 to be frozen rapidly, an operator is prevented from being frozen by the liquid nitrogen in the operation process, and the vitrified freezing carrier 100 is convenient to use. And then can facilitate the use vitrification freezing carrier 100, 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 2 is connected with the dial button 3, and external force is applied on the dial button 3, so that the dial button 3 is switched between an initial state and a working state, the tube core 2 is controlled not to push or push the vitrification freezing carrier 100, the vitrification freezing carrier 100 is conveniently connected with or separated from the tube body 1, the structure is simple, the use is convenient, and the reliability is high.

Optionally, as shown in fig. 5 and 7, a sliding groove 11 is formed in the tube body 1, the sliding groove 11 extends along the length direction of the tube body 1, one end of the toggle button 3 penetrates through the sliding groove 11 and is connected with the tube core 2, the toggle button 3 slides along the sliding groove 11, the moving precision of the toggle button 3 on the tube body 1 along the length direction of the tube core is improved, the moving precision of the tube core 2 is further improved, and the operation reliability and stability are improved. Specifically, the sliding groove 11 may be a kidney-shaped groove.

Optionally, as shown in fig. 5 and 7, the toggle button 3 includes an operation portion 31 and a connecting rod portion 32 that are connected to each other, the operation portion 31 is slidably connected to the sliding groove 11, so as to conveniently toggle the toggle button 3, and the connecting rod portion 32 is inserted into the tube core 2, so as to conveniently connect the connecting rod 5 to the tube core 2, and prevent the connecting rod 5 and the tube core 2 from rotating relatively.

Optionally, as shown in fig. 2 to 6, the extension rod further includes an elastic member 4, the elastic member 4 is disposed between the tube core 2 and the tube body 1, the elastic member 4 can switch the toggle button 3 from the working state to the initial state, when an external force acts on the toggle button 3 to make the toggle button 3 in the working state, the elastic member 4 is compressed by overcoming the elastic force of the elastic member 4, so that the toggle button 3 drives the tube core 2 to move along the tube body 1 toward the vitrified frozen carrier 100; when no external force acts on the toggle button 3, the elastic element 4 can automatically switch the tube core 2 and the tube body 1 from the working state to the initial state due to the self elastic force, drive the tube core 2 to move along the tube body 1 in the opposite direction, automatically recover to the initial state so as to be convenient for connecting the vitrification freezing carrier 100 for the next time, reduce and apply external force, and have convenient operation.

Optionally, as shown in fig. 8, a first limiting boss 21 is disposed on the periphery of the tube core 2, a second limiting boss 12 is disposed on the inner wall of the tube body 1, and two ends of the elastic member 4 abut against the first limiting boss 21 and the second limiting boss 12, so that the elastic member 4 is connected. Specifically, the first limit projection 21 and the second limit projection 12 may be both annular stages to increase a contact area with the elastic member 4.

Optionally, as shown in fig. 8, the second limiting boss 12 is provided with a mounting groove 121 facing the first limiting boss 21, the elastic element 4 is a compression spring, and the compression spring is sleeved on the tube core 2 and penetrates through the mounting groove 121, so that the connection reliability of the compression spring is improved, and deformation is prevented; in other embodiments, the elastic element 4 may also be a spring, which is the prior art and is not described in detail.

Optionally, as shown in fig. 3 and 4, the tube body 1 is further connected with a clamping joint 13, a first end of the clamping joint 13 is detachably connected with the tube body 1, a second end of the clamping joint 13 is clamped with the vitrified freezing carrier 100, and a first end of the clamping joint 13 forms a second limit boss 12; during assembly, the tube core 2 can be inserted into the tube body 1 from one end close to the clamping connector 13, and then the clamping connector 13 is installed, so that structural interference between the structure of the clamping connector 13 and the tube core 2 is avoided, and the assembly is facilitated. Specifically, the clamping head 13 is provided with a plurality of clamping jaws 131, the plurality of clamping jaws 131 are arranged along the circumferential direction of the tube body 1, the clamping jaws 131 are clamped with the periphery of the vitrified freezing carrier 100, and in this embodiment, the clamping jaws 131 are clamped with the periphery of the mounting cap 101; specifically, the claw 131 may adopt an existing structure, and is not described in detail.

Optionally, the tube core 2 includes a core body 22 and an ejection portion 23 detachably connected to the core body 22, the card connector 13 has an accommodation groove 132, the ejection portion 23 is movably disposed in the accommodation groove 132, the first limiting boss 21 is disposed on the core body 22, the dial button 3 is in an initial state, the ejection portion 23 abuts against a bottom of the accommodation groove 132, the core body and the tube body 1 are prevented from slipping, and the structure is stable; when the dial button 3 is in a working state, the elastic element 4 abuts against the second limiting boss 12, an external force acts on the dial button 3 and moves towards the vitrified freezing carrier 100 through the core body 22, the core body 22 drives the ejection part 23 to separate the ejection part 23 from the groove bottom of the containing groove 132, and the ejection part 23 acts on the vitrified freezing carrier 100 to separate the vitrified freezing carrier 100 from the pipe body 1.

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. 9, a planar structure 14 is disposed on the tube 1, and the planar structure 14 can make planar contact with the microscope platform, so as to prevent the extension rod from rolling, and improve stability. Specifically, the planar structure 14 may be a plane formed to protrude or recess from the outer periphery of the pipe body 1.

Specifically, as shown in fig. 3-7, the mounting cap 101 and the outer sleeve 102 may be threaded or otherwise connected. When the mounting cap 101 is in threaded connection with the outer sleeve 102, the mounting cap 101 or the outer sleeve 102 needs to be screwed; optionally, the extension rod further comprises a connecting rod 5, a pipe cap 6 and a gasket 7, wherein one end of the connecting rod 5 is rotatably arranged at the other end of the pipe body 1; the pipe cap 6 is connected to the other end of the connecting rod 5; the gasket 7 is provided between the cap 6 and the pipe body 1. Make pipe cap 6 and body 1 rotate through connecting rod 5 and be connected, its use is: after the mounting cap 101 is connected with body 1, the accessible is twisted extension rod and is twisted the mounting cap 101 in order to twist, when twisting, can support the pipe cap 6 at the palm center, and the finger rotates body 1, has prevented that body 1 from taking place the friction with the palm center, is convenient for twist the operation. By providing the gasket 7, wear between the cap 6 and the body 1 can be prevented, in particular the gasket 7 can be a plastic gasket.

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 vitrifying a frozen carrier, comprising:

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

the tube core (2) penetrates through the tube body (1);

the shifting button (3) is connected to the tube core (2), the shifting button (3) is arranged on the periphery of the tube body (1), and the shifting button (3) can move along the length direction of the tube body (1);

the toggle button (3) is in an initial state, so that the tube body (1) can be connected with the vitrification freezing carrier (100); the tube core (2) can be pushed by the toggle button (3) to abut against the vitrification freezing carrier (100) under the working state of the toggle button (3), so that the vitrification freezing carrier (100) is separated from the tube body (1).

2. The extension rod for the vitrification freezing carrier according to claim 1, wherein a sliding groove (11) is formed in the tube body (1), the sliding groove (11) extends along a length direction of the tube body (1), and one end of the toggle button (3) penetrates through the sliding groove (11) and is connected to the tube core (2).

3. An extension rod for a vitrification frozen carrier according to claim 2 characterized in that the toggle button (3) includes an operation part (31) and a link part (32) connected to each other, the operation part (31) is slidably connected to the sliding groove (11), and the link part (32) is inserted to the tube core (2).

4. An extension rod for vitrifying a frozen carrier according to claim 1 further comprising an elastic member (4), the elastic member (4) being arranged between the tube core (2) and the tube body (1), the elastic member (4) being capable of switching the toggle button (3) from the active state to the initial state.

5. The extension rod for vitrification freezing carriers of claim 4, wherein the tube core (2) is provided at its periphery with a first limit boss (21), the tube body (1) is provided at its inner wall with a second limit boss (12), and both ends of the elastic member (4) abut against the first limit boss (21) and the second limit boss (12).

6. The extension rod for vitrifying a frozen carrier as claimed in claim 5, wherein the second limit boss (12) is opened with a mounting groove (121) toward the first limit boss (21), the elastic member (4) is a compression spring, and the compression spring is sleeved on the tube core (2) and penetrates through the mounting groove (121).

7. An extension rod for vitrification frozen carriers according to claim 5 wherein the tube (1) is further connected with a bayonet joint (13), a first end of the bayonet joint (13) is detachably connected with the tube (1), a second end of the bayonet joint (13) is bayonet-connected with the vitrification frozen carriers (100), and a first end of the bayonet joint (13) forms the second limit boss (12).

8. The extension rod for a vitrified frozen carrier according to claim 7, wherein the tube core (2) comprises a core body (22) and an ejection part (23) detachably connected with the core body (22), the clamping head (13) has a containing groove (132), the ejection part (23) is movably arranged in the containing groove (132), the first limit boss (21) is arranged in the core body (22), the toggle button (3) is in an initial state, the ejection part (23) abuts against the groove bottom of the containing groove (132), the toggle button (3) is in a working state, and the ejection part (23) is separated from the groove bottom of the containing groove (132).

9. An extension rod for vitrifying a frozen carrier according to any one of claims 1 to 8 wherein the tubular body (1) is provided with a planar structure (14).

10. An extension rod for vitrifying a frozen carrier according to any one of claims 1 to 8 further comprising:

one end of the connecting rod (5) is rotatably arranged at the other end of the tube body (1);

a pipe cap (6) connected to the other end of the connecting rod (5);

and the gasket (7) is arranged between the pipe cap (6) and the pipe body (1).

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