Liquid nitrogen container assembly suitable for freezing ova or embryos and storage system of liquid nitrogen container assembly

Abstract

The utility model discloses a liquid nitrogen tank assembly suitable for freezing ova or embryos and a storage system of the liquid nitrogen tank assembly, relates to the technical field of assisted reproduction, and aims to solve the problems that an existing upper barrel and an existing lower barrel are embedded together, when the lower barrel is taken out, the upper barrel needs to be taken out together, and time and labor are wasted in operation. Comprising a liquid nitrogen tank body with an open end part; the upper barrel is arranged in the liquid nitrogen tank body; the lower barrel is arranged in the liquid nitrogen tank body and located under the upper barrel; one end of the upper lifting rod is connected with the upper barrel, and the other end of the upper lifting rod is hung on the opening end part; one end of the lower lifting rod is connected with the lower barrel, the other end of the lower lifting rod and the upper lifting rod are hung on the open end part in parallel, the upper lifting rod and the upper barrel form an upper lifting barrel, the lower lifting rod and the lower barrel form a lower lifting barrel, and the upper lifting barrel and the lower lifting barrel do not interfere with each other during use.

Description

Technical Field

[0001] The present application relates to the field of assisted reproductive technology, and in particular to a liquid nitrogen tank assembly suitable for freezing eggs or embryos and a storage system thereof. Background Art

[0002] Liquid nitrogen tanks are important medical equipment used for long-term or short-term storage of eggs or embryos of infertile patients. In order to more effectively manage and improve the utilization rate of liquid nitrogen tanks, laboratory staff usually set up different buckets in the liquid nitrogen tanks to manage and limit the embryos or embryos on the vitrified cryopreservation tubes. At present, assisted reproductive laboratories generally adopt a single-layer bucket design, but this design reduces the efficiency and total storage capacity of liquid nitrogen tanks, resulting in the need for laboratories to purchase more liquid nitrogen tanks and provide additional storage space for liquid nitrogen tanks, which brings huge economic pressure to the laboratory.

[0003] In order to increase the total storage capacity of the liquid nitrogen tank in the assisted reproductive laboratory, a double-layer liquid nitrogen tank lifting bucket with the announcement number CN211458675U is provided, which includes an upper bucket and a lower bucket, wherein a lifting handle A is welded on the side of the lower bucket, and a groove is provided on the side of the lifting handle A facing the center of the lower bucket. An upper bucket is placed above the lower bucket, and a lifting handle B is welded on one side of the upper bucket. A sliding rod is welded on the lower end side of the lifting handle A, and a set of blocks is welded on the upper end of the upper bucket, and the set of blocks is sleeved on the sliding rod. In other words, the upper and lower barrels are nested together through the lifting handle A and the lifting handle B. This design can increase the total storage capacity of the liquid nitrogen tank, thereby reducing the economic expenditure of the assisted reproductive laboratory. However, during the use of this design, the upper and lower barrels are inlaid together. When taking the lower barrel, it is often necessary to take out the upper barrel together, which is time-consuming and laborious to operate.

[0004] Therefore, the prior art still needs to be improved. Utility Model Content

[0005] The purpose of the present application is to provide a liquid nitrogen tank assembly suitable for freezing eggs or embryos and a storage system thereof, so as to solve the problem that the existing upper barrel and the lower barrel are embedded together, and when taking out the lower barrel, it is often necessary to take out the upper barrel as well, which is time-consuming and laborious to operate.

[0006] To achieve the above-mentioned purpose, the first aspect of the embodiment of the present application provides a liquid nitrogen tank assembly suitable for freezing eggs or embryos, comprising:

[0007] a liquid nitrogen tank body having an open end;

[0008] An upper barrel, which is arranged in the liquid nitrogen tank body;

[0009] A lower barrel, which is arranged in the liquid nitrogen tank body and is located directly below the upper barrel;

[0010] An upper lifting rod, one end of which is connected to the upper barrel and the other end of which is suspended on the open end;

[0011] A lower lifting rod, one end of which is connected to the lower bucket, and the other end is suspended on the open end in parallel with the upper lifting rod. The upper lifting rod and the upper bucket form an upper lifting bucket, and the lower lifting rod and the lower bucket form a lower lifting bucket. The upper lifting bucket and the lower lifting bucket do not interfere with each other when in use.

[0012] According to the above-mentioned liquid nitrogen tank system suitable for freezing eggs or embryos, a magnet is provided on the upper lifting rod, and a magnet adsorption plate matching the magnet is provided on the lower lifting rod, and the upper lifting rod is adsorbed on the magnet adsorption plate through the magnet.

[0013] According to the above-described liquid nitrogen tank system suitable for freezing eggs or embryos, a first pore area is provided on the periphery of the upper barrel, and a plurality of first pores are provided in the first pore area, and a second pore area is provided on the periphery of the lower barrel, and a plurality of second pores are provided in the second pore area.

[0014] According to the above-described liquid nitrogen tank system suitable for freezing eggs or embryos, the first pore area is arranged on the lower end of the upper barrel and is located at one-third of the height of the upper barrel, and the second pore area is arranged on the lower end of the lower barrel and is located at one-third of the height of the lower barrel.

[0015] According to the above-described liquid nitrogen tank system suitable for freezing eggs or embryos, a first groove is formed at the open end, and the upper lifting rod and the lower lifting rod are suspended side by side in the first groove.

[0016] According to the above-mentioned liquid nitrogen tank system suitable for freezing eggs or embryos, the liquid nitrogen tank assembly further includes a plurality of storage tubes, and the plurality of storage tubes are arranged in the upper barrel and the lower barrel;

[0017] The storage tube comprises a tube body, a notch extension portion and a tube cap which are connected in sequence, and the angle between the tube cap and the notch extension portion is set to 135-155°.

[0018] According to the above-mentioned liquid nitrogen tank system suitable for freezing eggs or embryos, the tube body has a tube opening, and a U-shaped groove is opened at the tube opening.

[0019] According to the above-mentioned liquid nitrogen tank system suitable for freezing eggs or embryos, a plurality of third pores are opened on the tube body, and the third pores are used to connect the storage tube and the corresponding upper barrel or the lower barrel.

[0020] A second aspect of an embodiment of the present application provides a storage system suitable for freezing eggs or embryos, comprising a storage tube rack and a liquid nitrogen tank assembly suitable for freezing eggs or embryos as described above, wherein the storage tube rack is used to place storage tubes in the liquid nitrogen tank assembly.

[0021] According to the above-described storage system suitable for freezing eggs or embryos, the storage tube rack includes an upper abutment plate, a connecting assembly and a bottom plate connected in sequence, the upper abutment plate is provided with a plurality of second grooves, the bottom plate is arranged below the upper abutment plate and is provided with a third groove, one end of the storage tube is placed in the third groove and the other end abuts against the second groove.

[0022] The beneficial effects of a liquid nitrogen tank assembly and a storage system thereof for freezing eggs or embryos provided in the present application are at least:

[0023] The present application optimizes the structure of the upper lifting rod and the lower lifting rod so that the upper lifting rod and the lower lifting rod are suspended side by side at the open end of the liquid nitrogen tank body, and the upper lifting bucket formed by the upper lifting rod and the upper bucket and the lower lifting bucket formed by the lower lifting rod and the lower bucket do not interfere with each other during use, thereby achieving the effect of non-interference in taking out the upper lifting bucket and the lower lifting bucket. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 A structural schematic diagram of a liquid nitrogen tank body having a notch provided in a liquid nitrogen tank assembly suitable for freezing eggs or embryos is provided for an embodiment of the present application.

[0026] Figure 2 for Figure 1 Enlarged view of point A.

[0027] Figure 3 for Figure 1 Enlarged view of point B.

[0028] Figure 4 A schematic structural diagram of an upper lifting bucket in a liquid nitrogen tank assembly suitable for freezing eggs or embryos is provided for an embodiment of the present application.

[0029] Figure 5 for Figure 4 Enlarged view of point C.

[0030] Figure 6A schematic structural diagram of a lower bucket in a liquid nitrogen tank assembly suitable for freezing eggs or embryos is provided for an embodiment of the present application.

[0031] Figure 7 for Figure 6 Enlarged view of point D.

[0032] Figure 8 A schematic structural diagram of a storage tube in a liquid nitrogen tank assembly suitable for freezing eggs or embryos is provided for an embodiment of the present application.

[0033] Fig. 9 A schematic structural diagram of a storage tube rack in a storage system suitable for freezing eggs or embryos is provided for an embodiment of the present application.

[0034] Among them, the reference numerals in the figure are:

[0035] 1. Liquid nitrogen tank body; 11. Open end; 12. First groove; 2. Upper barrel; 21. First pore area; 22. First pore; 3. Lower barrel; 31. Second pore area; 32. Second pore; 4. Upper lifting rod; 5. Lower lifting rod; 6. Magnet; 7. Magnet adsorption plate; 8. Storage tube; 81. Tube body; 811. U-shaped groove; 82. Notch extension; 83. Tube cap; 9. Storage tube rack; 91. Upper abutment plate; 911. Second groove; 92. Connecting assembly; 93. Bottom plate; 931. Third groove. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] It should be noted that when a component is referred to as being "fixed on" or "disposed on" another component, it may be directly or indirectly located on the other component. When a component is referred to as being "connected to" another component, it may be directly or indirectly connected to the other component. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positions shown in the accompanying drawings and are only for the convenience of description and cannot be understood as limitations on the present technical solution. The terms "first" and "second" are only used for the convenience of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0038] Liquid nitrogen tanks are important medical equipment used for long-term or short-term storage of eggs or embryos of infertile patients. In order to more effectively manage and improve the utilization rate of liquid nitrogen tanks, laboratory staff usually set up different buckets in the liquid nitrogen tanks to manage and limit the embryos or embryos on the vitrified cryopreservation tubes. At present, assisted reproductive laboratories generally adopt a single-layer bucket design, but this design reduces the efficiency and total storage capacity of liquid nitrogen tanks, resulting in the need for laboratories to purchase more liquid nitrogen tanks and provide additional storage space for liquid nitrogen tanks, which brings huge economic pressure to the laboratory.

[0039] In order to increase the total storage capacity of the liquid nitrogen tank in the assisted reproductive laboratory, a double-layer liquid nitrogen tank lifting bucket with the announcement number CN211458675U is provided, which includes an upper bucket and a lower bucket, wherein a lifting handle A is welded on the side of the lower bucket, and a groove is provided on the side of the lifting handle A facing the center of the lower bucket. An upper bucket is placed above the lower bucket, and a lifting handle B is welded on one side of the upper bucket. A sliding rod is welded on the lower end side of the lifting handle A, and a set of blocks is welded on the upper end of the upper bucket, and the set of blocks is sleeved on the sliding rod. In other words, the upper and lower barrels are nested together through the lifting handle A and the lifting handle B. This design can increase the total storage capacity of the liquid nitrogen tank, thereby reducing the economic expenditure of the assisted reproductive laboratory. However, during the use of this design, the upper and lower barrels are inlaid together. When taking the lower barrel, it is often necessary to take out the upper barrel together, which is time-consuming and laborious to operate.

[0040] For this purpose, see Figure 1 , Figure 2 and Figure 3 In a first aspect, the present embodiment provides a liquid nitrogen tank assembly suitable for freezing eggs or embryos, comprising a liquid nitrogen tank body 1, an upper barrel 2, a lower barrel 3, an upper lifting rod 4 and a lower lifting rod 5, wherein the liquid nitrogen tank body 1 has an open end 11, the upper barrel 2 and the lower barrel 3 are both arranged in the liquid nitrogen tank body 1, and the lower barrel 3 is located directly below the upper barrel 2, one end of the upper lifting rod 4 is connected to the upper barrel 2, and the other end is suspended on the open end 11, one end of the lower lifting rod 5 is connected to the lower barrel 3, and the other end is suspended on the open end 11 in parallel with the upper lifting rod 4, the upper lifting rod 4 and the upper barrel 2 form an upper lifting barrel, and the lower lifting rod 5 and the lower barrel 3 form a lower lifting barrel, and the upper lifting barrel and the lower lifting barrel do not interfere with each other when in use.

[0041] Among them, this embodiment does not limit the specific structure of the upper lifting rod 4 and the lower lifting rod 5, and it is only necessary to ensure that the structures of the upper lifting rod 4 and the lower lifting rod 5 are staggered. It can be foreseen that this embodiment optimizes the structure of the upper lifting rod 4 and the lower lifting rod 5 so that the upper lifting rod 4 and the lower lifting rod 5 are suspended side by side at the open end 11 of the liquid nitrogen tank body 1, and the upper lifting bucket formed by the upper lifting rod 4 and the upper barrel 2 and the lower lifting bucket formed by the lower lifting rod 5 and the lower barrel 3 do not interfere with each other during use, thereby achieving the effect of non-interference in the use of the upper lifting bucket and the lower lifting bucket.

[0042] Optionally, the upper lifting bucket and the lower lifting bucket are used as a group of lifting buckets, and the liquid nitrogen tank body 1 is provided with multiple groups of lifting buckets, see Figure 1 This embodiment only shows a set of lifting buckets, that is, only one upper lifting bucket and one lower lifting bucket are shown, and both the upper bucket 2 and the lower bucket 3 can be metal buckets.

[0043] Optional, see Figure 1 and Figure 2 In order to improve the stability of the upper lifting rod 4 and the lower lifting rod 5 suspended on the open end 11 of the liquid nitrogen tank body 1, the open end 11 is provided with a plurality of groups of first grooves 12, and the upper lifting rod 4 and the lower lifting rod 5 are suspended in parallel in the corresponding first grooves 12.

[0044] Optional, see Figure 3 , Figure 4 and Figure 6 Since liquid nitrogen is arranged in the liquid nitrogen tank body 1, the upper lifting rod 4 is provided with a magnet 6, and the lower lifting rod 5 is provided with a magnet adsorption plate 7 matching the magnet 6. The upper lifting rod 4 is adsorbed on the magnet adsorption plate 7 through the magnet 6, so that the upper lifting bucket can be adsorbed on the lower lifting bucket, thereby preventing the upper lifting bucket from being free in the liquid nitrogen in the liquid nitrogen tank body 1.

[0045] Optionally, the lower bucket 3 is embedded in the bottom of the liquid nitrogen tank body 1, that is, the lower bucket 3 and the bottom of the liquid nitrogen tank body 1 form an embedded structure. Through this arrangement, in combination with the arrangement of the magnet 6 and the magnet adsorption plate 7, this embodiment can fix the entire lifting bucket (upper lifting bucket and lower lifting bucket).

[0046] Optional, see Figure 4 , Figure 5 , Figure 6 and Figure 7 A first pore area 21 is provided on the periphery of the upper barrel 2, and a plurality of first pores 22 are opened in the first pore area 21. A second pore area 31 is provided on the periphery of the lower barrel 3, and a plurality of second pores 32 are opened in the second pore area 31. By providing the first pore area 21 and the second pore area 31, this embodiment can ensure that when the upper barrel 2 and the lower barrel 3 are placed, liquid nitrogen can enter the interior of the upper barrel 2 and the lower barrel 3 through the first pores 22 of the first pore area 21 and the second pores 32 of the second pore area 31. In the process of taking out, the first pores 22 of the upper barrel 2 and the second pores 32 of the lower barrel 3 can be used as channels for the liquid nitrogen to flow out, so that less force is required for taking out.

[0047] For further information, see Figure 4 and Figure 6The first pore area 21 is arranged on the lower end of the upper barrel 2 and is located at one-third of the height of the upper barrel 2. The second pore area 31 is arranged on the lower end of the lower barrel 3 and is located at one-third of the height of the lower barrel 3. In this embodiment, by setting the first pore area 21 at one-third of the height of the upper barrel 2 and the second pore area 31 at one-third of the height of the lower barrel 3, it can be ensured that when the upper barrel 2 or the lower barrel 3 is placed, the liquid nitrogen can enter the lifting bucket more quickly through the small hole, and the liquid nitrogen in the upper barrel 2 or the lower barrel 3 will not flow out completely, ensuring that during the operation, liquid nitrogen is always retained in the upper barrel 2 or the lower barrel 3, thereby reducing the risk of increased temperature of the eggs or embryos and freezing failure.

[0048] Optional, see Figure 8 The liquid nitrogen tank assembly also includes a plurality of storage tubes 8, which are arranged in the upper barrel 2 and the lower barrel 3. That is to say, a plurality of storage tubes 8 are placed in the upper barrel 2 and the lower barrel 3, and each storage tube 8 can be loaded with a plurality of vitrified cryotubes (not shown in the figure), which are used to load eggs or embryos.

[0049] Among them, the storage tube 8 can be an aluminum storage tube, which includes a tube body 81, a notch extension 82 and a tube cap 83 connected in sequence, and the angle between the tube cap 83 and the notch extension 82 is set to 135-155°. Through the above setting, this embodiment can facilitate operations such as taking and placing the vitrified cryogenic tube.

[0050] For further information, see Figure 8 The tube body 81 has a tube mouth, and a U-shaped groove 811 is opened at the tube mouth to further facilitate operations such as taking and placing the vitrified cryopreservation tube.

[0051] Optionally, a plurality of third pores (not shown in the figure) are provided on the tube body 81, and the third pores are used to connect the storage tube 8 and the corresponding upper barrel 2 or lower barrel 3 to ensure the circulation of liquid nitrogen and ensure that the eggs or embryos are always at the required temperature, for example, minus 196°C.

[0052] Optionally, a label stand (not shown in the figure) is provided on the outer side of the tube cap 83, which is mainly used for sticking a note containing patient information.

[0053] See also Fig. 9 The second aspect of this embodiment provides a storage system suitable for freezing eggs or embryos, including a storage tube rack 9 and a liquid nitrogen tank assembly suitable for freezing eggs or embryos as described above, wherein the storage tube rack 9 is used to place the storage tube 8 in the liquid nitrogen tank assembly.

[0054] Optional, see Fig. 9The storage pipe rack 9 can be a stainless steel pipe rack, and the storage pipe rack 9 includes an upper abutment plate 91, a connecting assembly 92 and a bottom plate 93 connected in sequence. The upper abutment plate 91 is provided with a plurality of second grooves 911. The bottom plate 93 is arranged below the upper abutment plate 91 and is provided with a third groove 931. One end of the storage tube 8 is placed in the third groove 931 and the other end abuts against the second groove 911. Through the above arrangement, this embodiment is mainly used in a transfer box to limit the movement of the storage tube 8.

[0055] The second groove 911 and the third groove 931 have a certain inclination in the vertical direction, so that the storage tube 8 can be placed on the storage tube rack 9 at an angle.

[0056] Optionally, the connecting assembly 92 includes a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are respectively arranged on both sides of the storage pipe rack 9 and respectively connected to the upper abutment plate 91 and the bottom plate 93.

[0057] Optionally, the upper abutment plate 91 is marked with a digital code at the second groove 911, and the digital code facilitates the recording and thawing operation of eggs or embryos.

[0058] In summary, the present application provides a liquid nitrogen tank assembly suitable for freezing eggs or embryos and a storage system thereof, comprising a liquid nitrogen tank body 1, an upper barrel 2, a lower barrel 3, an upper lifting rod 4 and a lower lifting rod 5, the liquid nitrogen tank body 1 having an open end 11, the upper barrel 2 and the lower barrel 3 are both arranged in the liquid nitrogen tank body 1, the lower barrel 3 is located directly below the upper barrel 2, one end of the upper lifting rod 4 is connected to the upper barrel 2, and the other end is suspended on the open end 11, one end of the lower lifting rod 5 is connected to the lower barrel 3, and the other end is suspended on the open end 11 in parallel with the upper lifting rod 4, the upper lifting rod 4 and the upper barrel 2 form an upper lifting barrel, the lower lifting rod 5 and the lower barrel 3 form a lower lifting barrel, and the upper lifting barrel and the lower lifting barrel do not interfere with each other when in use. The present application optimizes the structure of the upper lifting rod 4 and the lower lifting rod 5 so that the upper lifting rod 4 and the lower lifting rod 5 are suspended side by side at the open end 11 of the liquid nitrogen tank body 1, and the upper lifting bucket formed by the upper lifting rod 4 and the upper bucket 2 and the lower lifting bucket formed by the lower lifting rod 5 and the lower bucket 3 do not interfere with each other during use, thereby achieving the effect of non-interference in taking the upper lifting bucket and the lower lifting bucket.

[0059] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A liquid nitrogen tank assembly suitable for freezing eggs or embryos, characterized in that: include: a liquid nitrogen tank body having an open end; An upper barrel, which is arranged in the liquid nitrogen tank body; A lower barrel, which is arranged in the liquid nitrogen tank body and is located directly below the upper barrel; An upper lifting rod, one end of which is connected to the upper barrel and the other end of which is suspended on the open end; A lower lifting rod, one end of which is connected to the lower bucket, and the other end is suspended on the open end in parallel with the upper lifting rod. The upper lifting rod and the upper bucket form an upper lifting bucket, and the lower lifting rod and the lower bucket form a lower lifting bucket. The upper lifting bucket and the lower lifting bucket do not interfere with each other when in use.

2. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 1, characterized in that: The upper lifting rod is provided with a magnet, and the lower lifting rod is provided with a magnet adsorption plate matching the magnet, and the upper lifting rod is adsorbed on the magnet adsorption plate through the magnet.

3. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 1, characterized in that: A first pore area is arranged on the periphery of the upper barrel, and a plurality of first pores are opened in the first pore area. A second pore area is arranged on the periphery of the lower barrel, and a plurality of second pores are opened in the second pore area.

4. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 3, characterized in that: The first aperture area is disposed on the lower end of the upper tub and is located at one third of the height of the upper tub, and the second aperture area is disposed on the lower end of the lower tub and is located at one third of the height of the lower tub.

5. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 1, characterized in that: The open end is provided with a first groove, and the upper lifting rod and the lower lifting rod are suspended in parallel in the first groove.

6. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 1, characterized in that: The liquid nitrogen tank assembly further includes a plurality of storage tubes, and the plurality of storage tubes are arranged in the upper barrel and the lower barrel; The storage tube comprises a tube body, a notch extension portion and a tube cap which are connected in sequence, and the angle between the tube cap and the notch extension portion is set to 135-155°.

7. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 6, characterized in that: The tube body has a tube opening, and a U-shaped groove is formed at the tube opening.

8. The liquid nitrogen tank assembly suitable for freezing eggs or embryos according to claim 6, characterized in that: The tube body is provided with a plurality of third holes, and the third holes are used to connect the storage tube and the corresponding upper barrel or lower barrel.

9. A storage system suitable for freezing eggs or embryos, characterized in that: It comprises a storage tube rack and a liquid nitrogen tank assembly suitable for freezing eggs or embryos as described in any one of claims 1 to 8, wherein the storage tube rack is used to place storage tubes in the liquid nitrogen tank assembly.

10. The storage system for freezing eggs or embryos according to claim 9, characterized in that: The storage tube rack comprises an upper abutment plate, a connection assembly and a bottom plate which are connected in sequence. The upper abutment plate is provided with a plurality of second grooves. The bottom plate is arranged below the upper abutment plate and is provided with a third groove. One end of the storage tube is placed in the third groove and the other end abuts against the second groove.

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