CN215531164U

CN215531164U - Double-closed ovum or embryo vitrification freezing and storing device with high stability

Info

Publication number: CN215531164U
Application number: CN202121397331.5U
Authority: CN
Inventors: 曹东
Original assignee: Shanghai Liting Technology Co ltd
Current assignee: Shanghai Liting Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-18
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a double-closed type ovum or embryo vitrification cryopreservation device with high stability, which comprises an outer sleeve, an inner tube sleeved in the outer sleeve and an inner loading rod sleeved in the inner tube and used for bearing an ovum or embryo, wherein the end part of the inner tube is connected with a connecting block, the end part of the connecting block is provided with a slot, the inside of the slot is provided with a plurality of clamping grooves, and the end part of the outer sleeve is connected with an end cover. This kind of double containment formula ovum or embryo vitrification cryopreservation device that steadiness is high, inserted bar and slot through "cross" form, make the inserted bar insert the inside back of slot, the inner tube can't rotate in the inside of outer tube, stability has been promoted, through fixed establishment, make people put into the inside of outer tube with the inner tube, and make the inserted bar insert the inside back of slot, the fixture block can insert the inside back of draw-in groove under the effect of elastic component, make the inner tube be difficult for separating with the end cover, and then make the inner tube be difficult for rocking outside sheathed tube inside, stability has been promoted.

Description

Double-closed ovum or embryo vitrification freezing and storing device with high stability

Technical Field

The utility model relates to a cryopreservation device, in particular to a double-closed ovum or embryo vitrification cryopreservation device with high stability.

Background

In order to solve the problems in the prior art, the Chinese granted patent (publication number: CN205695269U) discloses a double-closed ovum or embryo vitrification freezing and storing device, which has the advantages that liquid nitrogen is filtered for many times through a liquid nitrogen sterile filtering system, so that the freezing safety of the ovum and embryo is improved, but the device adopts a double-tube mechanism, and an inner tube is easy to touch an outer sleeve in the carrying process, so that the inner tube or the outer sleeve is easy to damage. Therefore, the double-closed type ovum or embryo vitrification freezing and storing device with high stability is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the double-closed type ovum or embryo vitrification cryopreservation device with high stability comprises an outer sleeve, an inner tube sleeved in the outer sleeve and an internal loading rod sleeved in the inner tube and used for bearing an ovum or embryo, wherein the end part of the inner tube is connected with a connecting block, the end part of the connecting block is provided with an inserting groove, a plurality of clamping grooves are formed in the inserting groove, and the end part of the outer sleeve is connected with an end cover;

the end cover is connected with an inserting rod which is matched with the inserting groove and used for limiting the rotation of the inner pipe, the inserting rod is provided with a plurality of fixing mechanisms which are matched with the inserting groove and used for fixing the inner pipe, each fixing mechanism comprises a groove formed in the inserting rod, an elastic part is connected inside the groove, and a clamping block matched with the inserting groove is arranged on the elastic part;

The end part of the inner tube is connected with an inner tube bolt used for plugging the orifice of the inner tube, and the end part of the outer sleeve is connected with an outer tube bolt used for plugging the orifice of the outer sleeve.

As a preferable technical scheme of the utility model, both ends of the outer sleeve are connected with connecting rings with internal threads, and the insides of the two connecting rings are respectively in threaded connection with the end part of the outer pipe bolt and the end part of the end cover.

As a preferable technical scheme of the utility model, the shapes of the inserted bar and the slot are both in a cross shape.

As a preferable technical scheme of the utility model, the joint of the inner pipe bolt and the inner pipe and the joint of the outer pipe bolt and the outer sleeve are both provided with sealing rings.

As a preferable technical scheme, the clamping groove and the clamping block are both in a spherical crown shape, and the surface of the clamping block is provided with anti-skid grains.

As a preferable technical solution of the present invention, the elastic member is specifically an arc-shaped elastic piece.

As a preferred technical scheme of the present invention, a circular groove is formed at an end of the outer tube bolt, a tightening mechanism for tightening the inner tube bolt is disposed inside the circular groove, the tightening mechanism includes a spring disposed inside the circular groove, and an end of the spring is connected to a tightening block for tightening the inner tube bolt.

The utility model has the beneficial effects that: this kind of double containment formula ovum or embryo vitrification cryopreservation device that steadiness is high, inserted bar and slot through "cross" form, make the inserted bar insert the inside back of slot, the inner tube can't rotate in the inside of outer tube, stability has been promoted, through fixed establishment, make people put into the inside of outer tube with the inner tube, and make the inserted bar insert the inside back of slot, the fixture block can insert the inside back of draw-in groove under the effect of elastic component, make the inner tube be difficult for separating with the end cover, and then make the inner tube be difficult for rocking outside sheathed tube inside, stability has been promoted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a double-closed type ovum or embryo vitrification cryopreservation device with high stability, which is disclosed by the utility model;

FIG. 2 is a schematic view of a high-stability double-enclosed type ovum or embryo vitrification cryopreservation device in FIG. 1, wherein the outer sleeve and the end cover are separated from each other;

FIG. 3 is a schematic cross-sectional view of the plunger of FIG. 2 of the double-closed type cryopreservation device for ova or embryos with high stability according to the utility model;

FIG. 4 is a schematic diagram of the inner tube structure of FIG. 1 of a high stability double containment type ovum or embryo vitrification cryopreservation device of the present invention;

FIG. 5 is a schematic structural diagram of an internal carrying rod in FIG. 1 of the double-closed type ovum or embryo vitrification cryopreservation device with high stability of the utility model;

fig. 6 is a schematic diagram of the structure of the pipe plug in fig. 1 of the double-closed type ovum or embryo vitrification cryopreservation device with high stability.

In the figure: 1. an outer sleeve; 2. an inner tube; 3. an internal loading rod; 4. a connecting ring; 5. connecting blocks; 6. a slot; 7. a card slot; 8. an end cap; 9. inserting a rod; 10. a groove; 11. an elastic member; 12. a clamping block; 13. an inner pipe bolt; 14. an outer pipe bolt; 15. a seal ring; 16. a circular groove; 17. a spring; 18. and (6) butting against blocks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the double-closed type ovum or embryo vitrification cryopreservation device with high stability comprises an outer sleeve 1, an inner tube 2 sleeved in the outer sleeve 1, and an inner loading rod 3 sleeved in the inner tube 2 and used for bearing an ovum or embryo, wherein the end of the inner tube 2 is connected with a connecting block 5, the end of the connecting block 5 is provided with a slot 6, the inside of the slot 6 is provided with a plurality of clamping grooves 7, and the end of the outer sleeve 1 is connected with an end cover 8;

the end cover 8 is connected with an inserting rod 9 which is matched with the inserting groove 6 and used for limiting the rotation of the inner pipe 2, a plurality of fixing mechanisms which are matched with the clamping grooves 7 and used for fixing the inner pipe 2 are arranged on the inserting rod 9, each fixing mechanism comprises a groove 10 formed in the inserting rod 9, an elastic part 11 is connected inside the groove 10, and a clamping block 12 which is matched with the clamping grooves 7 for use is arranged on the elastic part 11;

the end of the inner tube 2 is connected with an inner tube bolt 13 for plugging the orifice of the inner tube 2, and the end of the outer sleeve 1 is connected with an outer tube bolt 14 for plugging the orifice of the outer sleeve 1.

Wherein, the both ends of outer tube 1 all are connected with the go-between 4 that has the internal thread, and the inside of two go-between 4 respectively with the tip of outer tube bolt 14 and the tip threaded connection of end cover 8, through go-between 4, make people can take off end cover 8 and outer tube bolt 14 from go-between 4 through the pivoted mode, be convenient for people to change inserted bar 9 and fixture block 12 on the end cover 8.

Wherein, the shape of inserted bar 9 and slot 6 is "cross" shape, and through the inserted bar 9 and the slot 6 of "cross" form, make inserted bar 9 insert the inside back of slot 6, inner tube 2 can't rotate in the inside of outer sleeve pipe 1, has promoted stability.

Wherein, the junction of inner tube bolt 13 and inner tube 2 and the junction of outer tube bolt 14 and outer tube 1 all are provided with the sealing washer, and through the junction of inner tube bolt 13 and inner tube 2 and the sealing washer of outer tube bolt 14 and outer tube 1 junction, can promote the leakproofness of junction, make the interior liquid nitrogen of outer tube 1 difficult flow out the inside of outer tube 1, also difficult flow in the inside of inner tube 2.

Wherein, the shape of draw-in groove 7 and fixture block 12 is the spherical crown shape, and anti-skidding line has been seted up on the surface of fixture block 12, through anti-skidding line on fixture block 12, can increase the stiction between fixture block 12 and the draw-in groove 7, makes fixture block 12 insert the inside back of draw-in groove 7, and inner tube 2 is difficult for separating with end cover 8, and then makes inner tube 2 be difficult for rocking in the inside of outer tube 1, has promoted stability.

Wherein, elastic component 11 specifically is a circular-arc elastic piece, through being circular-arc elastic component 11, makes inserted bar 9 insert the inside of slot 6 after, fixture block 12 can move the extrusion elastic component 11 inwards, makes elastic component 11 deformation bending, and then inserts the inside of draw-in groove 7 under elastic effect of elastic component 11, fixes connecting block 5 and inner tube 2.

Wherein, circular slot 16 has been seted up to the tip of outer tube bolt 14, the inside of circular slot 16 is provided with the tight mechanism that supports that is used for supporting inner tube bolt 13, support tight mechanism including setting up the spring 17 in circular slot 16 inside, the end connection of spring 17 has the piece 18 that supports that is used for supporting inner tube bolt 13, through supporting tight mechanism, make inner tube bolt 13 receive the effect of spring 17 elasticity, make inner tube bolt 13 be difficult for separating with the mouth of pipe of inner tube 2, and through supporting piece 18 and spring 17 extrusion inner tube bolt 13, make the sealing washer 15 on the inner tube bolt 13 can be tight with the mouth of pipe laminating of inner tube bolt 13 and inner tube 2, the leakproofness has been promoted.

When the device works, firstly, an ovum or an embryo is placed at the end part of the inner loading rod 3, the inner loading rod 3 is placed in the inner tube 2, the end part of the inner tube bolt 13 is inserted into the inner tube 2, the inner tube 2 is placed in the outer sleeve 1, the insertion rod 9 is inserted into the slot 6, the fixture block 12 can move inwards to extrude the elastic part 11 along with the insertion rod 9, the elastic part 11 deforms and bends, and then is inserted into the slot 7 under the elastic action of the elastic part 11, the connecting block 5 and the inner tube 2 are fixed, liquid nitrogen is injected into the outer sleeve 1, after the injection is finished, the end part of the outer tube bolt 14 is screwed into one of the connecting rings 4, along with the extension of the end part of the outer tube bolt 14, the abutting block 18 can abut against the inner tube bolt 13 under the elastic action of the spring 17, and the sealing ring 15 on the inner tube bolt 13 can be tightly attached to the pipe orifices of the inner tube bolt 13 and the inner tube 2, so that the installation is finished, when the inserted rod 9 needs to be replaced, the end cover 8 is unscrewed from the other connecting ring 4, the end cover 8 provided with the new inserted rod 9 is screwed into the connecting ring 4, and the inserted rod 9 enters the inner part of the outer sleeve 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The double-closed type ovum or embryo vitrification cryopreservation device with high stability comprises an outer sleeve (1), an inner tube (2) sleeved in the outer sleeve (1) and an inner loading rod (3) sleeved in the inner tube (2) and used for bearing an ovum or embryo, and is characterized in that the end part of the inner tube (2) is connected with a connecting block (5), the end part of the connecting block (5) is provided with an inserting groove (6), the inside of the inserting groove (6) is provided with a plurality of clamping grooves (7), and the end part of the outer sleeve (1) is connected with an end cover (8);

the end cover (8) is connected with an inserting rod (9) which is matched with the inserting groove (6) and used for limiting the rotation of the inner pipe (2), the inserting rod (9) is provided with a plurality of fixing mechanisms which are matched with the clamping groove (7) and used for fixing the inner pipe (2), each fixing mechanism comprises a groove (10) formed in the inserting rod (9), an elastic part (11) is connected inside each groove (10), and each elastic part (11) is provided with a clamping block (12) matched with the clamping groove (7) for use;

The end part of the inner tube (2) is connected with an inner tube bolt (13) used for plugging the orifice of the inner tube (2), and the end part of the outer sleeve (1) is connected with an outer tube bolt (14) used for plugging the orifice of the outer sleeve (1).

2. The double-closed ovum or embryo vitrification cryopreservation device with high stability according to claim 1, wherein the two ends of the outer sleeve (1) are connected with connecting rings (4) with internal threads, and the insides of the two connecting rings (4) are respectively connected with the end of the outer tube plug (14) and the end of the end cap (8) by threads.

3. The double-closed ovum or embryo vitrification cryopreservation device with high stability in accordance with claim 1, wherein the shape of the inserted rod (9) and the insertion groove (6) are both "cross" shape.

4. The high-stability double-closed type ovum or embryo vitrification cryopreservation device according to claim 1, wherein the joints of the inner tube bolt (13) and the inner tube (2) and the joints of the outer tube bolt (14) and the outer cannula (1) are provided with sealing rings.

5. The double-closed type ovum or embryo vitrification cryopreservation device with high stability according to claim 1, wherein the shape of the clamping groove (7) and the clamping block (12) are both spherical crown shape, and the surface of the clamping block (12) is provided with anti-skid veins.

6. The double-closed type ovum or embryo vitrification cryopreservation device with high stability as claimed in claim 1, wherein the elastic member (11) is a circular arc-shaped elastic sheet.

7. The high-stability double-closed type ovum or embryo vitrification cryopreservation device according to claim 1, wherein a circular groove (16) is formed at an end of the outer tube plug (14), a tightening mechanism for tightening the inner tube plug (13) is arranged inside the circular groove (16), the tightening mechanism comprises a spring (17) arranged inside the circular groove (16), and the end of the spring (17) is connected with a tightening block (18) for tightening the inner tube plug (13).