CN213695470U

CN213695470U - Embryo cryopreservation device

Info

Publication number: CN213695470U
Application number: CN202022421817.XU
Authority: CN
Inventors: 王雪松
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-16
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to a freezing save set of embryo relates to the medical instrument field. The technical characteristics include: a straw through which embryos are loaded; a straw storage container for loading and storing straws; the centralized storage container can be used for storing a plurality of straw storage containers in a centralized manner, and at least comprises double-cooled-surface storage cavities and a plurality of groups of fixed storage cavities with the same structure, wherein the fixed storage cavities are arranged in the double-cooled-surface storage cavities; each group of fixed storage cavities can fixedly store a straw storage container; the double-cooled-surface storage cavity at least comprises an inner cooled surface and an outer cooled surface, the inner cooled surface and the outer cooled surface are coaxially arranged to form an inner cavity, the inner cooled surface and the outer cooled surface are both cooled surfaces in contact with liquid nitrogen, and the multiple groups of fixed storage cavities with the same structures are all located in the inner cavity between the inner cooled surface and the outer cooled surface. Multiple embryos are stored at the same time and are uniformly cooled and frozen at the same time, so that the embryo freezing and storing effect is better.

Description

Embryo cryopreservation device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to embryo freezing save set.

Background

Frozen embryos are the only method in the world that can preserve fertility function at maturity. The embryo obtained by the test tube culture technology is stored in a liquid nitrogen environment at the temperature of 196 ℃ below zero for a long time.

In the prior art of embryo cryopreservation, a plurality of embryos stored by using straws are stored in a centralized way and are frozen, but in the straws stored in the centralized way, because some embryos distributed in the inner straws are isolated by other straws distributed in the outer straws, the freezing speed of the inner straws is relatively delayed, and the freezing effect is influenced, so that the embryo cryopreservation device is necessary to be designed for improving the freezing effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem among the prior art, provide a embryo cryopreservation device.

In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:

an embryo cryopreservation device comprising:

a straw through which embryos are loaded;

a straw storage container through which the straws are loaded and stored;

the centralized storage container can be used for storing a plurality of straw storage containers in a centralized manner, and at least comprises double-cooled-surface storage cavities and a plurality of groups of fixed storage cavities with the same structure, wherein the fixed storage cavities are arranged in the double-cooled-surface storage cavities;

each group of fixed storage cavities can fixedly store one straw storage container;

the double-cold-face storage cavity at least comprises an inner cold face and an outer cold face, the inner cold face and the outer cold face are coaxially arranged to form an inner cavity, the inner cold face and the outer cold face are cold faces in contact with liquid nitrogen, and the multiple groups of fixed storage cavities are identical in structure and are all located in the inner cavity between the inner cold face and the outer cold face.

Preferably, the double-cooled-surface storage cavity further comprises:

the supporting partition plates are arranged between the inner cooled surface and the outer cooled surface in a plurality of uniformly distributed rings;

and the bottom surfaces are two groups with the same structure and are respectively covered at the two ends of the inner cooled surface and the outer cooled surface to seal the inner cavity.

Preferably, the outer cooled surface is provided with an assembling port at a position between every two adjacent supporting partition plates.

Preferably, the straw storage container includes:

the storage barrel is provided with an opening at one end;

the arc-shaped bearing plate is used for bearing the straw;

the sealing cover is connected to one end of the arc-shaped bearing plate, and the sealing cover is in threaded connection with the opening end of the storage barrel;

and the taking and placing gap is formed in one end part, close to the sealing cover, of the arc-shaped bearing plate.

Preferably, each set of the fixed storage cavities includes:

the number of the swing shells is multiple, and the corresponding hinge in each assembly opening is connected with one of the swing shells;

and the buckle is arranged on the swinging shell and faces one side of the inner cooled surface to clamp and fix the storage cylinder.

The utility model discloses following beneficial effect has:

the utility model discloses a embryo freezing save set loads the embryo through the straw to utilize the straw to deposit the container and load and deposit the straw, and utilize and concentrate to deposit the container and concentrate to deposit many shares of straw, concentrate simultaneously and deposit in the container receive the cold side and receive the cold side with outer simultaneously by the cold side, make the embryo in all straws simultaneously and even receive cold and freeze, guarantee embryonic refrigeration effect. In conclusion, this device can preserve many copies embryo simultaneously to many copies embryo evenly receives cold simultaneously and freezes, has better freezing effect of depositing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of an embryo cryopreservation device of the present invention;

fig. 2 is a schematic view of a swing casing seal assembly port of an embryo cryopreservation device of the present invention;

fig. 3 is a front view of an embryo cryopreservation device of the present invention;

fig. 4 is a schematic structural diagram of a straw storage container of the embryo cryopreservation device of the present invention.

The reference numerals in the figures denote:

1. a straw; 2. an inner cooled surface; 3. an outer cooled surface; 4. supporting the partition plate; 5. a bottom surface; 6. an assembly port; 7. a storage drum; 8. an arc-shaped bearing plate; 9. sealing the cover; 10. taking and placing the notch; 11. a swing housing; 12. and (5) buckling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an embryo cryopreservation device comprises:

a straw 1 through which embryos are loaded;

a straw storage container for loading and storing the straws 1;

each group of fixed storage cavities can fixedly store a straw storage container;

the double-cold-face storage cavity at least comprises an inner cold face 2 and an outer cold face 3, the inner cold face 2 and the outer cold face 3 are coaxially arranged to form an inner cavity, the inner cold face 2 and the outer cold face 3 are cold faces contacted with liquid nitrogen, and the multiple groups of fixed storage cavities with the same structures are all located in the inner cavity between the inner cold face 2 and the outer cold face 3.

The cavity is deposited to two cold faces still includes:

the supporting partition plates 4 are arranged between the inner cooled surface 2 and the outer cooled surface 3 in a plurality of uniformly distributed rings;

and the bottom surfaces 5 are two groups with the same structure, and are respectively covered at the two ends of the inner cooled surface 2 and the outer cooled surface 3 to seal the inner cavities.

The outer cooled surface 3 is provided with an assembly port 6 at the position between every two adjacent supporting partition plates 4.

The straw storage container comprises:

a storage barrel 7, one end of the storage barrel 7 is opened;

the arc-shaped bearing plate 8 is used for bearing the straw 1;

the sealing cover 9 is connected to one end of the arc-shaped bearing plate 8, and the sealing cover 9 is in threaded connection with the opening end of the storage barrel 7;

and the taking and placing gap 10 is formed in one end part, close to the sealing cover 9, of the arc-shaped bearing plate 8, and the taking and placing gap 10 is formed in the other end part, close to the sealing cover 9, of the arc-shaped bearing plate 8.

Every fixed cavity of depositing of group all includes:

a plurality of swing shells 11 are arranged, and one swing shell 11 of the plurality of swing shells 11 is connected to the corresponding hinge in each assembly port 6;

and a catch 12, the catch 12 is arranged on the swing shell 11 and faces the side of the inner cooled surface 2 to clamp and fix the storage cylinder 7.

The working principle is as follows:

embryo is loaded through the straw 1, and the straw storage container is utilized to load and store the straw 1, specifically, the straw 1 is placed on the arc-shaped bearing plate 8 in the straw storage container, then the arc-shaped bearing plate 8 extends into the storage barrel 7, the opening of the storage barrel 7 is sealed through the sealing cover 9, and the sealing cover 9 is in threaded connection with the storage barrel 7. The taking and placing gap 10 is utilized, when the straw 1 is taken and placed, the straw 1 can be conveniently and directly clamped by fingers without being influenced by the blocking of the arc-shaped bearing plate 8. And then, a plurality of straws 1 are stored in a centralized storage container, and the inner cooled surface 2 and the outer cooled surface 3 in the centralized storage container are cooled simultaneously, so that embryos in all straws 1 can be cooled and frozen simultaneously and uniformly, and the freezing effect of the embryos is ensured. Specifically, the inner cooled surface 2 and the outer cooled surface 3 are supported and connected by a plurality of supporting partition plates 4 to separate the space, and the inner cavity formed between the inner cooled surface 2 and the outer cooled surface 3 is sealed by two bottom surfaces 5. An assembly opening 6 is arranged on the outer cooled surface 3, and a fixed storage cavity is arranged in the assembly opening 6 for placing and fixing the straw 1. Specifically, the storage cylinder 7 is clamped and fixed on the swing shell 11 through the buckle 12, the swing shell 11 is swung to seal the assembly port 6, the whole device is placed in liquid nitrogen for freezing storage, the liquid nitrogen can flow to the inner cooled surface 2 and the outer cooled surface 3 and simultaneously contacts the inner cooled surface 2 and the outer cooled surface 3, and embryos are frozen. Wherein, a handle or a pull ring can be arranged on the swinging shell 11 to facilitate the opening and closing. In conclusion, this device can preserve many copies embryo simultaneously to many copies embryo evenly receives cold simultaneously and freezes, has better freezing effect of depositing.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An embryo cryopreservation device, comprising:

a straw (1) through which an embryo is loaded;

a straw storage container through which the straws (1) are loaded and stored;

the cavity is deposited to two cold faces receives cold face (2) and outer cold face (3) including at least, interior cold face (2) and outer coaxial setting between cold face (3) and the formation inner chamber receive, interior cold face (2) with outer cold face (3) are the cold face that receives with the liquid nitrogen contact, and multiunit structure is the same the fixed cavity of depositing all is located interior cold face (2) with receive the inner chamber between cold face (3) outward.

2. The embryo cryopreservation device of claim 1, wherein the double chilled surface storage cavity further comprises:

the supporting partition plates (4) are arranged between the inner cooled surface (2) and the outer cooled surface (3) in a plurality of uniformly distributed rings;

and the bottom surfaces (5) are two groups with the same structure, and are respectively covered at the two ends of the inner cooled surface (2) and the outer cooled surface (3) to seal the inner cavity.

3. The embryo cryopreservation device according to claim 2, wherein the outer cooled surface (3) is provided with an assembly opening (6) at a position between every two adjacent supporting partition plates (4).

4. The embryo cryopreservation device of claim 3, wherein the straw storage container comprises:

the storage barrel (7), one end of the storage barrel (7) is open;

the straw loading device comprises an arc-shaped loading plate (8), wherein the arc-shaped loading plate (8) is used for loading the straw (1);

the sealing cover (9), the sealing cover (9) is connected to one end of the arc-shaped bearing plate (8), and the sealing cover (9) is in threaded connection with the opening end of the storage barrel (7);

and the taking and placing gap (10) is formed in one end part, close to the sealing cover (9), of the arc-shaped bearing plate (8).

5. The embryo cryopreservation device of claim 4, wherein each set of fixed storage cavities comprises:

the number of the swing shells (11) is multiple, and one swing shell (11) in the multiple swing shells (11) is connected to a corresponding hinge in each assembly opening (6);

and the buckle (12) is arranged on the swing shell (11) and faces one side of the inner cooled surface (2) to be used for clamping and fixing the storage barrel (7).