CN210143686U

CN210143686U - Tissue storage device for liquid nitrogen freezing

Info

Publication number: CN210143686U
Application number: CN201920938222.6U
Authority: CN
Inventors: 李友筑; 李娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-03-17
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a be used for frozen tissue storage device of liquid nitrogen, including a hanger body, set firmly a peg and spacer pin at this hanger body, have on the hanger body along its length direction according to the preface a plurality of drawer chambeies that set up, each drawer intracavity all has a drawer of perisporium and bottom surface, all separate out a plurality of holding chambeies that are used for placing freezing storage tube on each drawer, form on hanger body and the drawer so that each holding chamber all with the runner of the outside intercommunication of hanger body, the spacer pin is installed on the hanger body and restrict the drawer is followed deviate from in the drawer chamber to solve current freezing storage tube and float the problem on the liquid nitrogen.

Description

Tissue storage device for liquid nitrogen freezing

Technical Field

The utility model relates to a frozen field of storing of tissue specifically is a tissue storage device who is used for liquid nitrogen freezing.

Background

Liquid nitrogen tanks are often used in the procreation medicine department of various hospitals to actively preserve the semen, embryo or ovum of a human. During freezing storage, semen, embryo or ovum is usually stored in a freezing storage tube, then liquid nitrogen is filled into the freezing storage tube to freeze the semen, embryo or ovum, and finally the freezing storage tube filled with the liquid nitrogen is directly placed in a liquid nitrogen tank to maintain the extremely low temperature so as to realize active storage. The direct placement of the cryogenic storage tube into the liquid nitrogen tank presents the following problems:

1. the frozen storage tube directly placed in the liquid nitrogen tank can float on the liquid nitrogen, so that the frozen storage tube cannot be in complete contact with the liquid nitrogen, and the possibility of inactivation of semen, embryos or ova in the frozen storage tube exists.

2. The freezing storage tube floats on the liquid nitrogen, and when the liquid nitrogen is supplemented, the liquid nitrogen can flush the freezing storage tube, so that a label attached to the tube wall of the freezing storage tube is easy to fall off, and the attribution of semen, embryos or ova of the freezing storage tube cannot be identified.

3. Because many freezing storage tubes can be stored in the liquid nitrogen tank, the freezing storage tubes are clamped out of the liquid nitrogen tank by means of special tool tongs when being taken out, but labels attached to the tube walls of the freezing storage tubes are difficult to distinguish when the freezing storage tubes are clamped, non-target objects are often taken out by clamping, and the activity of semen, embryos or ova in the freezing storage tubes can also be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a organize storage device for liquid nitrogen is frozen to solve the problem that current freezing storage tube floats on the liquid nitrogen.

The specific scheme is as follows:

the utility model provides a organize storage device for liquid nitrogen is frozen, includes a hanger body, sets firmly a peg and the spacer pin at this hanger body, have a plurality of drawer chambeies that set gradually along its length direction on the hanger body, each drawer intracavity all has a drawer of perisporium and bottom surface, all separates a plurality of holding chambeies that are used for placing freezing storage tube on each drawer, form on hanger body and the drawer so that each holding chamber all with the outside runner that communicates of hanger body, the spacer pin is installed on the hanger body and the restriction the drawer follow is deviate from in the drawer chamber.

Furthermore, the hanger body comprises a rectangular frame and a plurality of first partition plates, the rectangular frame is divided into a plurality of drawer cavities by the first partition plates, the drawer cavities are arranged along the length direction of the rectangular frame in sequence, gaps are formed between the drawers located in the drawer cavities and the inner walls of the drawer cavities, and the gaps serve as the flow channels.

Furthermore, the end faces at two ends of the length of the rectangular frame are multiple, a plurality of first through holes are formed in the first partition plate, a plurality of second through holes are formed in the bottom face of the drawer, and when the drawer is located in the drawer cavity, the first through holes and the second through holes are arranged right opposite to each other.

Furthermore, the bottom surface of the first partition and/or the drawer is provided with a lug, and the lug raises the bottom surface of the drawer on the first partition.

Furthermore, a plurality of second partition plates which are arranged in a staggered mode are arranged in the drawer, the second partition plates divide the interior of the drawer into a plurality of accommodating cavities which are arranged in multiple rows and multiple columns, and a plurality of third through holes are further formed in the second partition plates and communicated with the adjacent accommodating cavities.

Furthermore, the middle part of the intersection of the second partition board is provided with a third through hole, and each third through hole communicates four containing cavities around the third through hole.

Furthermore, the rectangular frame of the hanger body comprises two opposite side plates, a top plate and a bottom plate, wherein the two side plates are provided with folded edges which are bent inwards at one end in the width direction, and the folded edges serve as side walls of all the drawer cavities opposite to the openings of the drawer cavities.

Further, have on the upper end of hanger body and the lower extreme and extend to drawer chamber opening outer first otic placode and second otic placode, all have on first otic placode and the second otic placode just to the fourth through-hole that sets up, still have the fifth through-hole that is located fourth through-hole side on the first otic placode, the spacer pin includes a pin rod and the elasticity card portion of buckling to form by this pin rod, the pin rod passes the fourth through-hole of first otic placode and second otic placode, and elasticity card portion card go into extremely in the fifth through-hole.

Further, the inner wall of the relative both sides in drawer chamber all is provided with an circular arc pit on lieing in its opening part, have on the outer wall of drawer with the circular arc bump that this circular arc pit phase-match set up, work as when the drawer is pulled out, the circular arc bump can block into extremely in the circular arc pit and prevent this drawer by pull out completely.

Furthermore, the hanger body, the hanging rod, the limiting pin and the drawer are all made of stainless steel materials.

The utility model provides a pair of a tissue storage device for liquid nitrogen is frozen has following advantage compared with prior art: the utility model provides an organize storage device to arrange freezing storage pipe in the drawer of hanger body earlier, then along with this organize storage device together submergence in the liquid nitrogen, consequently freezing storage pipe can not float on the liquid level of liquid nitrogen, and in the submergence moreover, the liquid nitrogen also can flow in to each holding intracavity, maintains its utmost point low temperature to putting into the freezing storage pipe to the holding intracavity to realize active the saving.

And freezing storage tube places the holding intracavity at the drawer, and when adding the liquid nitrogen, the liquid nitrogen can not erode freezing storage tube yet, therefore the label on freezing storage tube can not drop.

When the freezing storage tube needs to be taken out, the tissue storage device is taken out of the liquid nitrogen tank, the limiting pin is taken down, and the target freezing storage tube in the corresponding drawer is taken out, so that the target freezing storage tube can be taken out quickly and accurately.

Drawings

Fig. 1 shows a perspective view of a tissue storage device.

Fig. 2 shows a perspective view of the hanger body.

Fig. 3 shows a perspective view of a drawer.

Fig. 4 shows a top view of the drawer.

Fig. 5 shows a perspective view of the second separator.

Figure 6 shows a perspective view of the card.

Fig. 7 shows a perspective view of the hanger body in another direction of view.

Fig. 8 shows a schematic diagram of the matching of the arc pits of the hanger body and the arc bumps on the drawer.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1-3, the present embodiment provides a tissue storage device for liquid nitrogen freezing, which includes a hanger body 1, a hanging rod 2 fixed on the hanger body 1, and a limit pin 3.

Wherein, the lower extreme of peg 2 sets firmly with this hanger body 1, and the upper end is the couple, can hang on the periphery of liquid nitrogen container opening part.

The rack body 1 is provided with a plurality of drawer cavities 10 which are sequentially arranged along the length direction of the rack body, each drawer cavity 10 is internally provided with a drawer 4 with a peripheral wall and a bottom surface, each drawer 4 is divided into a plurality of accommodating cavities 40 for accommodating freezing storage tubes, and the rack body 1 and the drawers 4 are provided with flow channels which enable each accommodating cavity 40 to be communicated with the outside of the rack body 1, so that after the rack body 1 is arranged in a liquid nitrogen tank and is immersed by liquid nitrogen, the liquid nitrogen can flow into each accommodating cavity 40 through the flow channels, so that the freezing storage tubes put into the accommodating cavities 40 are maintained at extremely low temperature, and active storage is realized. The limiting pin 3 is mounted on the hanger body 1 to limit the drawer 4 from falling out of the drawer cavity 10, so as to prevent the drawer 4 from sliding out and the freezing storage tube from falling out.

It should be clear that this organize storage device's hanger body 1, peg 2, spacer pin 3 and drawer 4 are all made by the material that can save in the liquid nitrogen for a long time and can not perhaps be difficult for the degradation, under the consideration of factors such as the simplicity of preparation, material cost, hanger body 1, peg 2, spacer pin 3 and drawer 4 all select stainless steel material to make for use.

When active preservation is carried out, the tissue storage device and the freezing storage tube placed in the drawer 4 are immersed in liquid nitrogen, the freezing storage tube cannot float on the liquid level of the liquid nitrogen, the liquid nitrogen can flow into each accommodating cavity 40 while the freezing storage tube is immersed, and the freezing storage tube placed in the accommodating cavity 40 is kept at the lowest temperature, so that active preservation is realized. And the freezing storage tube is placed in the containing cavity 40 of the drawer 4, and when liquid nitrogen is added, the liquid nitrogen cannot flush the freezing storage tube, so that the label on the freezing storage tube cannot fall off. When the freezing storage tube needs to be taken out, the tissue storage device is taken out from the liquid nitrogen tank, the limiting pin 3 is taken down, and the target freezing storage tube in the corresponding drawer is taken out, so that the target freezing storage tube can be taken out quickly and accurately.

In this embodiment, referring to fig. 1-3, the hanger body 1 includes a rectangular frame 11 and a plurality of first partition plates 12, the rectangular frame 11 is divided into a plurality of drawer cavities 10 sequentially arranged along a length direction of the rectangular frame 11 by the plurality of first partition plates 12, a gap is formed between the drawer 4 located in the drawer cavity 10 and an inner wall of the drawer cavity 10, and the gap serves as a flow passage for communicating each accommodating cavity 40 on the drawer with an outside of the hanger body. That is, liquid nitrogen can flow into the drawer from the gap between the drawer 4 and the drawer chamber 10.

In the preferred embodiment, referring to fig. 1-4, the end surfaces of the two ends of the length of the rectangular frame 11 and the first partition plates 12 are respectively provided with a plurality of first through holes 100, and the bottom surface of the drawer 4 is also provided with a plurality of second through holes 42. When the drawer 4 is located in the drawer cavity 10, the first through hole 100 and the second through hole 42 are disposed opposite to each other, so that liquid nitrogen can flow into the accommodating cavity 40 on the drawer 4 from the first through hole 100 and the second through hole 42.

In the present embodiment, it is preferable that the first partition 12 and/or the drawer 4 have a protrusion on the bottom surface, and the protrusion raises the bottom surface of the drawer 4 on the first partition 12. Referring to fig. 2 and 3, in the present embodiment, the protrusions are respectively a flange 120 at the drawer opening of the first partition 12 and a protruding strip 44 at the bottom surface of the drawer 4, and when the drawer 4 is located in the drawer cavity 10, the flange 120 and the protruding strip 44 are respectively located at two opposite ends of the bottom surface of the drawer 4 to raise the bottom surface of the drawer 4, i.e. the bottom surface of the drawer 4 is not in direct contact with the first partition 12, and there is a certain gap between the bottom surface of the drawer 4 and the first partition 12, so that the liquid nitrogen flows into the receiving cavity 40 on the drawer 4 from the second through hole 42 at the bottom surface of the drawer 4.

In this embodiment, referring to fig. 3 to 5, a plurality of second partition plates 46 are disposed in the drawer 4 in a staggered manner, the second partition plates 46 divide the interior of the drawer 4 into a plurality of accommodating cavities 40 disposed in multiple rows and multiple columns, and a plurality of third through holes 460 are further disposed on the second partition plates 46, such that the accommodating cavities 40 communicate with adjacent accommodating cavities 40 through the third through holes 460, so that liquid nitrogen can better flow into each accommodating cavity 40. Preferably, the third through holes 460 are disposed on the middle of the intersection of the second partition 46, and each of the third through holes communicates with four receiving cavities 40 around the third through hole. In this embodiment, referring to fig. 6, the second partition 46 is formed by a plurality of clamping plates 46 ' that are arranged in a staggered manner, each clamping plate has a plurality of clamping grooves 462, the bottom ends of the clamping grooves 462 are enlarged portions 464 whose thicknesses are larger than that of the clamping plates 46 ', and when the two clamping plates 46 ' are inserted in a staggered manner, the enlarged portions 464 at the bottom ends of the clamping grooves 462 serve as third through holes 460 that communicate with the adjacent accommodating cavities 40.

In the preferred embodiment, referring to fig. 7, the rectangular frame 11 of the hanger body 1 includes two opposite side plates 110, and a top plate 111 and a bottom plate 112, and each of the two side plates 110 has a folded edge 1100 bent inward at one end in the width direction, and the folded edge 1100 serves as a side wall of the drawer cavity 10 opposite to the opening of the drawer cavity 10. That is, the side wall of the rectangular frame 11 opposite to the other side of the opening of the drawer cavity 10 is hollow, so that liquid nitrogen can flow into the drawer 4 from the other side of the rectangular frame 11.

In the preferred embodiment, referring to fig. 1 and 2, the hanger body 1 has a first ear plate 13 and a second ear plate 14 extending out of the opening of the drawer cavity 10 at the upper end and the lower end thereof, the first ear plate 13 and the second ear plate 14 each have a fourth through hole 130 facing each other, and the first ear plate 13 further has a fifth through hole 132 beside the fourth through hole. The limiting pin 3 includes a pin 30 and an elastic clamping portion 31 formed by bending the pin, wherein the pin 30 passes through the fourth through hole 130 of the first ear plate 13 and the second ear plate 14, and the elastic clamping portion 31 is clamped into the fifth through hole 132, the pin 30 blocks the drawer 4 so that all the drawers 4 cannot be taken out from the drawer cavity 10, so that the drawer cannot be taken out when the tissue storage device is immersed in liquid nitrogen.

In the preferred embodiment, referring to fig. 8, the inner walls of the two opposite sides of the drawer cavity 10 are provided with a circular arc recess 1101 at the opening thereof, and the outer wall of the drawer 4 is provided with a circular arc protruding point 47 matched with the circular arc recess 1101, so that when the drawer 4 is pulled out, the circular arc protruding point 47 can be clamped into the circular arc recess 1101 to prevent the drawer 4 from being pulled out completely, so as to prevent the whole drawer 4 from being pulled out completely due to improper operation when the drawer 4 is pulled out, and therefore the freezing storage tube in the drawer 4 falls.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A tissue storage device for liquid nitrogen freezing, comprising: the rack comprises a rack body, a hanging rod and a limiting pin, wherein the hanging rod and the limiting pin are fixedly arranged on the rack body, a plurality of drawer cavities are formed in the rack body along the length direction of the rack body according to the sequence, each drawer cavity is provided with a peripheral wall and a drawer on the bottom surface, a plurality of accommodating cavities used for placing freezing storage tubes are separated from each drawer, a flow channel is formed in the rack body and the drawer so that each accommodating cavity is communicated with the outside of the rack body, and the limiting pin is arranged on the rack body and limits the drawer to be separated from the drawer cavities.

2. The tissue storage device of claim 1, wherein: the hanger body comprises a rectangular frame and a plurality of first partition plates, the first partition plates divide the rectangular frame into a plurality of drawer cavities which are sequentially arranged along the length direction of the rectangular frame, gaps are formed between the drawers located in the drawer cavities and the inner walls of the drawer cavities, and the gaps serve as the flow channels.

3. The tissue storage device of claim 2, wherein: the end faces at two ends of the length of the rectangular frame are provided with a plurality of first through holes, the first partition plate is provided with a plurality of second through holes, and when the drawer is located in the drawer cavity, the first through holes and the second through holes are arranged oppositely.

4. The tissue storage device of claim 3, wherein: the bottom surface of the first partition and/or the drawer is provided with a convex block which lifts the bottom surface of the drawer on the first partition.

5. The tissue storage device of claim 2, wherein: the drawer is internally provided with a plurality of second clapboards which are arranged in a staggered mode, the second clapboards divide the interior of the drawer into a plurality of accommodating cavities which are arranged in multiple rows and multiple columns, and the second clapboards are further provided with a plurality of third through holes which enable the accommodating cavities to be communicated with the adjacent accommodating cavities.

6. The tissue storage device of claim 5, wherein: and the middle part of the intersection of the second partition board is provided with a third through hole, and each third through hole is communicated with four containing cavities around the third through hole.

7. The tissue storage device of claim 2, wherein: the rectangular frame of the hanger body comprises two opposite side plates, a top plate and a bottom plate, wherein the two side plates are provided with folded edges which are bent inwards at one end in the width direction, and the folded edges serve as side walls of all drawer cavities opposite to openings of the drawer cavities.

8. The tissue storage device of claim 2, wherein: have on the upper end of hanger body and the lower extreme and extend to first otic placode and the second otic placode outside the drawer chamber opening, all have on first otic placode and the second otic placode just to the fourth through-hole that sets up, still have the fifth through-hole that is located fourth through-hole side on the first otic placode, the spacer pin includes a pin rod and the elasticity card portion that is formed by this pin rod buckling, the pin rod passes the fourth through-hole of first otic placode and second otic placode, and elasticity card portion card go into extremely in the fifth through-hole.

9. The tissue storage device of claim 2, wherein: the inner wall of the two opposite sides of the drawer cavity is provided with an arc pit at the opening, the outer wall of the drawer is provided with an arc bump matched with the arc pit, and when the drawer is pulled out, the arc bump can be clamped into the arc pit to prevent the drawer from being pulled out completely.

10. The tissue storage device of claim 1, wherein: the hanger body, the hanging rod, the limiting pin and the drawer are all made of stainless steel materials.