CN109362706B - Embryo freezing rod carrying device - Google Patents
Embryo freezing rod carrying device Download PDFInfo
- Publication number
- CN109362706B CN109362706B CN201811210819.5A CN201811210819A CN109362706B CN 109362706 B CN109362706 B CN 109362706B CN 201811210819 A CN201811210819 A CN 201811210819A CN 109362706 B CN109362706 B CN 109362706B
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- mounting body
- bottom plate
- rod
- annular
- slot
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
- A01N1/0236—Mechanical aspects
- A01N1/0263—Non-refrigerated containers specially adapted for transporting or storing living parts whilst preserving, e.g. cool boxes, blood bags or "straws" for cryopreservation
- A01N1/0268—Carriers for immersion in cryogenic fluid, both for slow-freezing and vitrification, e.g. open or closed "straws" for embryos, oocytes or semen
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Mechanical Engineering (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a blank freezing rod carrying device which comprises a bearing seat, a connecting rod and a carrying rod, wherein the bearing seat comprises a bottom plate and an annular mounting body arranged at the edge position of the upper surface of the bottom plate; the connecting rod penetrates through the through hole, the upper end face of the connecting rod is provided with a threaded connecting groove, the lower end of the connecting rod is provided with a threaded connecting part, the threaded connecting part is positioned in the central groove, and the threaded connecting part is suitable for being screwed with the threaded connecting groove; the carrying rod is detachably arranged on the annular mounting body and comprises a handle part and a storage part, the handle part is positioned on the outer side of the annular mounting body, and the storage part is positioned in a space limited by the bottom plate and the annular mounting body. The effect is as follows: on the one hand, this device can use alone in order to save a plurality of embryos of freezing, and on the other hand, this device can also make up the use in order to save a plurality of embryos, and when the combination use, carries the pole to get and put the convenience, and the medical personnel of being convenient for operate.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a embryo freezing rod carrying device.
Background
There are many known frozen carrier systems, which can be classified into a freezing tube type and a freezing rod type according to the main loading unit. The former is a generally cylindrical or partially cylindrical tubular container with a blind end at one end and a cap to close the other end in a threaded or snap-fit manner. Such containers are generally large, typically over 1 ml in volume, and are stored in tiered racks in liquid nitrogen tanks, mostly by box-pack loading.
Most of the current cell cryopreservation takes this form; the latter is then a rod-like device comprising: 1) a biological material sample in the form of an elongated straw-like container that can be cryopreserved at 1-5 hundred microliters; 2) the tail end of the round tube is further thinned and lengthened, and the slender part is used for freezing and storing samples of a few microliters; 3) there are also elongated rod-like non-container forms, the front end of which has a frozen storage slide to which biological material can be attached in a loading of up to a few microliters. The latter two forms belong to micro-sample cryopreservation, and are more applied to vitrification cryopreservation of ova or embryos cultured in vitro. For the vitrification freezing of the ovum or embryo, there is also micro freezing in the form of freezing ring, that is, the liquid adhered to the microfilament ring is used to load the ovum or embryo, which is then put into a tubular container for protection and freezing.
However, when the freezing carriers are frozen, the freezing carriers are stored in a cylindrical storage container at intervals, the whole storage container is stored in the freezing container, and gaps left among the carriers are large, so that the number of the freezing carriers placed in the storage container with a certain volume is small, and the space utilization rate is extremely low.
In order to improve the space utilization rate, the patent number CN 205321010U provides a freezing pole carrying device for embryo, the device can carry the freezing storage capacity of pole by embryo freezing, but because the freezing pole carrying device of embryo superposes up and down in proper order and assembles the combination, when needing to take out the embryo on one of them freezing pole carrying device, its operation is very troublesome, very big reduction medical personnel's work efficiency.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide an embryo freezing bar loading device.
To achieve the above object, an embryo freezing bar loading device according to an embodiment of the present invention comprises:
the bearing seat comprises a bottom plate and an annular mounting body arranged at the edge of the upper surface of the bottom plate, a central groove is formed in the center of the lower surface of the bottom plate, and a through hole penetrating through the top wall of the central groove to the upper surface of the bottom plate is formed in the center of the top wall of the central groove;
the connecting rod penetrates through the through hole, a threaded connecting groove is formed in the upper end face of the connecting rod, a threaded connecting part is arranged at the lower end of the connecting rod, the threaded connecting part is located in the central groove, and the threaded connecting part is suitable for being screwed with the threaded connecting groove;
the carrying rod is detachably arranged on the annular mounting body and comprises a handle part and a storage part, the handle part is positioned on the outer side of the annular mounting body, and the storage part is positioned in a space defined by the bottom plate and the annular mounting body.
According to the embryo freezing rod carrying device provided by the embodiment of the invention, a plurality of embryos can be stored and frozen by using the device independently, and can also be stored by using the device in a combined manner.
In addition, the embryo freezing bar-loading device according to the above embodiment of the invention may have the following additional technical features:
according to an embodiment of the present invention, an annular extension portion is sleeved on an upper end of an outer side wall of the annular mounting body, an upper surface of the annular extension portion is flush with an upper surface of the annular mounting body, at least one slot is formed in the upper surface of the annular extension portion, the slot extends to the upper surface of the annular mounting body, and the carrier bar is inserted into the slot and detachably fixed in the slot through a fixing assembly disposed on the annular extension portion.
According to one embodiment of the invention, the fixing assembly comprises:
the middle part of the lower surface of the pressing block is convexly provided with a pressing part which is suitable for being inserted into the slot, and the lower surface of the pressing block is respectively provided with a plurality of first mounting grooves at two sides of the pressing part;
the upper ends of the elastic pieces are respectively fixed in the first mounting grooves, and the lower ends of the elastic pieces are respectively fixed in second mounting grooves formed in the upper surface of the annular extension part;
when the pressing part is inserted into the slot and abuts against the bottom wall of the slot, the elastic parts are in a stretching state.
According to one embodiment of the invention, magnetic pieces with opposite polarities are arranged in the pressing block and the annular extension part.
According to one embodiment of the invention, the outer wall of the connecting rod is provided with an external thread, the inner wall of the through hole is provided with an internal thread, and the connecting rod is in threaded connection with the through hole.
According to one embodiment of the present invention, the handle portion of the carrier bar is of a telescopic structure.
According to an embodiment of the invention, a plurality of first through holes are uniformly formed on the upper surface of the bottom plate around the through hole.
According to one embodiment of the invention, the outer wall of the annular mounting body is uniformly provided with a plurality of second through holes.
According to one embodiment of the present invention, the upper surface of the storage part is convexly provided with at least one storage boss.
According to one embodiment of the invention, the upper surface of the pressing block is provided with a handle.
Drawings
FIG. 1 is a first schematic structural diagram of a carrier according to an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram of a carrier according to an embodiment of the invention;
FIG. 3 is a third schematic structural view of a carrier according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a connecting rod according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a carrier rod according to an embodiment of the present invention;
FIG. 6 is a combined use state diagram according to an embodiment of the present invention.
Reference numerals:
a bearing seat 10;
a base plate 11;
a central recess 111;
a through hole 112;
a first through-hole 113;
an annular mounting body 12;
a second through hole 121;
an annular extension 13;
a slot 131;
a second mounting groove 132;
a connecting rod 20;
a threaded connection 21;
a screw connection groove 22;
a carrier rod 30;
a handle portion 31;
a storage section 32;
a boss 321;
a fixing member 40;
a pressing block 41;
a pressing portion 411;
the elastic member 42;
a handle 43.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 6, an embodiment of the present invention provides an embryo freezing bar-loading device, which includes a bearing seat 10, a connecting rod 20 and at least one carrying bar 30;
specifically, the carrier 10 includes a bottom plate 11 and an annular mounting body 12 disposed at an edge of an upper surface of the bottom plate 11, a central groove 111 is disposed at a center of a lower surface of the bottom plate 11, a through hole 112 penetrating through the upper surface of the bottom plate 11 is disposed at a center of a top wall of the central groove 111, the central groove 111 is a circular groove, the through hole 112 is a circular hole, and an inner diameter of the central groove 111 is larger than an inner diameter of the through hole 112.
The connecting rod 20 is arranged in the through hole 112 in a penetrating way, a threaded connecting groove 22 is arranged on the upper end surface, a threaded connecting part 21 is arranged at the lower end, the threaded connecting part 21 is positioned in the central groove 111, and the threaded connecting part 21 is suitable for being screwed with the threaded connecting groove 22;
at least one carrying rod 30 is detachably mounted on the annular mounting body 12 and comprises a handle portion 31 and a storage portion 32, wherein the handle portion 31 is located on the outer side of the annular mounting body 12, and the storage portion 32 is located in a space defined by the bottom plate 11 and the annular mounting body 12. That is to say, the carrying rods 30 are horizontally installed on the carrying seats 10, the handle part 31 thereon is suitable for holding and pinching and is located outside the annular installation body 12, the storage part 32 is used for storing embryos and is located inside the annular installation body 12, and one or more carrying rods 30 can be installed on each carrying seat 10, so that one carrying seat 10 can store one or more embryos, so, when freezing, a plurality of carrying rods 30 can be placed into the freezing tank at one time without placing the carrying rods 30 one by one, which is beneficial to improving the working efficiency, and when an embryo on one of the carrying rods 30 needs to be taken out, the carrying rod 30 storing the embryo can be disassembled conveniently.
In addition, because the connecting rod 20 is disposed on the bearing seat 10, the threaded connection portion 21 at the lower end of the connecting rod 20 is matched with the threaded connection slot 22 at the upper end, therefore, in practical application, a plurality of identical bearing seats 10 can be combined for use, for example, two identical bearing seats 10 are combined for use, the two bearing seats 10 are respectively a first bearing seat and a second bearing seat, then, when in use, the upper end of the connecting rod 20 on the first bearing seat is inserted into the central groove 111 at the lower surface of the second bearing seat, then, the threaded connection portion 21 at the lower end of the connecting rod 20 on the second bearing seat is screwed with the threaded connection slot 22 at the upper end of the connecting rod 20 on the first bearing seat, that is, the first bearing seat 10 and the second bearing seat 10 can be integrally connected, the integrally connected first bearing seat 10 and the second bearing seat 10 can store a plurality of embryos, and when an embryo on a certain bearing rod 30 on the first bearing seat 10 needs to be taken out, there is no need to do any operation on the other carrier bars 30 on the carrier 10, and likewise, there is no need to do any operation on the plurality of carrier bars 30 on the second carrier 10.
According to the embryo freezing rod carrying device provided by the embodiment of the invention, a plurality of embryos can be stored and frozen by using the device independently, and can also be stored by using the device in a combined manner, and when the device is used in a combined manner, the carrying rod 30 is convenient to take and place, is convenient for the operation of medical personnel, and is beneficial to improving the working efficiency of the medical personnel.
Advantageously, in an embodiment of the present invention, an annular extension 13 is sleeved on an upper end of an outer side wall of the annular mounting body 12, an upper surface of the annular extension 13 is flush with an upper surface of the annular mounting body 12, at least one slot 131 is formed on the upper surface of the annular extension 13, the slot 131 extends to the upper surface of the annular mounting body 12, and the carrier rod 30 is inserted into the slot 131 and detachably fixed in the slot 131 by a fixing component 40 disposed on the annular extension 13.
That is, by providing the annular extension 13, the length of the insertion groove 131 can be increased without increasing the wall thickness of the annular mounting body 12, so as to increase the fixing effect of each carrier rod 30 by matching the insertion groove 131 on the annular extension 13 and the fixing assembly 40.
Advantageously, in one embodiment of the present invention, the fixing assembly 40 comprises a pressing block 41 and a plurality of elastic members 42;
a pressing part 411 is convexly arranged in the middle of the lower surface of the pressing block 41, the pressing part 411 is suitable for being inserted into the slot 131, and a plurality of first installation grooves are respectively formed in the two sides of the pressing part 411 on the lower surface of the pressing block 41;
the upper ends of the elastic members 42 are respectively fixed in the first mounting grooves, and the lower ends are respectively fixed in the second mounting grooves 132 formed on the upper surface of the annular extension 13;
when the pressing portion 411 is inserted into the slot 131 and abuts against the bottom wall of the slot 131, the elastic members 42 are in a stretched state.
The elastic member 42 is preferably a spring, that is, the length of the elastic member 42 is smaller than the depth of the second mounting groove 132 under a natural length, so that when no external force is applied to the pressing block 41 and the elastic member 42, the pressing portion 411 on the lower surface of the pressing block 41 can generate pressure on the bottom wall of the central groove 111 only by the tensile force generated by the elastic member 42, therefore, when the carrier rod 30 is loaded, only the pressing block 41 needs to be pulled upwards to separate the pressing portion 411 from the slot 131, and after the carrier rod 30 is inserted into the slot 131, the pressing portion 411 can be driven to fix the carrier rod 30 in the central groove 111 by the tensile force generated by the elastic member 42 by releasing the pressing block 41, so that the carrier rod 30 is convenient to fix and has a good fixing effect, correspondingly, the carrier rod 30 is convenient to detach, and the device is compact and simple in structure.
Advantageously, in an embodiment of the present invention, magnetic members with opposite polarities are disposed in the pressing block 41 and the annular extension 13.
Therefore, the fixing effect of the pressing component on the carrying rod 30 can be further improved, and the carrying rod 30 is prevented from being separated from the slot 131.
Advantageously, in another embodiment of the present invention, the outer wall of the connecting rod 20 is provided with an external thread, the inner wall of the through hole 112 is provided with an internal thread, and the connecting rod 20 is in threaded connection with the through hole 112.
Therefore, when a plurality of bearing seats 10 are combined for use, the gap between two adjacent bearing seats 10 can be adjusted, and medical workers can operate conveniently according to the needs.
Advantageously, in some embodiments of the present invention, the handle portion 31 of the slide bar 30 is of a telescopic structure, and by shortening the length of the handle portion 31, the length of the handle portion 31 extending out of the annular extension portion 13 can be reduced, and when a plurality of sets of the present devices are required, the distance between two adjacent sets of the present devices can be reduced, thereby increasing the space utilization rate.
Advantageously, in some embodiments of the present invention, the upper surface of the bottom plate 11 is uniformly provided with a plurality of first through holes 113 around the through hole 112.
Preferably, a plurality of second through holes 121 are uniformly formed on the outer wall of the annular mounting body 12.
That is, the first and second through holes 113 and 121 communicate with the space defined by the bottom plate 11 and the ring-shaped mounting body 12, so that liquid nitrogen can be introduced into the space to uniformly freeze embryos on the storage ends of the carriers located in the space.
Advantageously, in other embodiments of the invention, the upper surface of the storage portion 32 is convexly provided with at least one storage boss 321.
This deposit boss 321 is used for depositing the embryo, and deposit the protruding locating of boss 321 on storage portion 32, as is well known, for the freezing condition of embryo, the one end that carries pole 30 to be used for depositing the embryo is transparent material preparation usually, but because the embryo is less, therefore, medical personnel are when taking off the embryo from carrying pole 30, often be difficult for quick differentiation embryo place face, be unfavorable for operations such as freezing, and in this device, owing to be equipped with on storage portion 32 and deposit boss 321, therefore, when the embryo is taken out to needs, medical personnel can be quick location embryo place face, and then take out the embryo from this face on depositing the boss 321, be favorable to improving and reduce work burden, improve work efficiency.
Advantageously, in further embodiments of the invention, the upper surface of the pressing block 41 is provided with a handle 43.
Through setting up handle 43, the medical personnel of being convenient for upwards tractive press block 41 to make things convenient for the installation and the dismantlement of carrier.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (7)
1. An embryo freezing rod carrying device is characterized by comprising:
the bearing seat comprises a bottom plate and an annular mounting body arranged at the edge of the upper surface of the bottom plate, a central groove is formed in the center of the lower surface of the bottom plate, and a through hole penetrating through the top wall of the central groove to the upper surface of the bottom plate is formed in the center of the top wall of the central groove;
the connecting rod penetrates through the through hole, a threaded connecting groove is formed in the upper end face of the connecting rod, a threaded connecting part is arranged at the lower end of the connecting rod, the threaded connecting part is located in the central groove, and the threaded connecting part is suitable for being screwed with the threaded connecting groove;
the carrying rod is detachably arranged on the annular mounting body and comprises a handle part and a storage part, the handle part is positioned on the outer side of the annular mounting body, and the storage part is positioned in a space defined by the bottom plate and the annular mounting body;
an annular extension part is sleeved at the upper end of the outer side wall of the annular mounting body, the upper surface of the annular extension part is flush with the upper surface of the annular mounting body, at least one slot is formed in the upper surface of the annular extension part and extends to the upper surface of the annular mounting body, and the carrying rod is inserted into the slot and detachably fixed in the slot through a fixing component arranged on the annular extension part;
the fixing assembly includes:
the middle part of the lower surface of the pressing block is convexly provided with a pressing part which is suitable for being inserted into the slot, and the lower surface of the pressing block is respectively provided with a plurality of first mounting grooves at two sides of the pressing part;
the upper ends of the elastic pieces are respectively fixed in the first mounting grooves, and the lower ends of the elastic pieces are respectively fixed in second mounting grooves formed in the upper surface of the annular extension part;
when the pressing part is inserted into the slot and abuts against the bottom wall of the slot, the elastic parts are in a stretching state;
magnetic pieces with opposite polarities are arranged in the pressing block and the annular extension portion.
2. The embryo freezing bar loading device according to claim 1, wherein the outer wall of the connecting rod is provided with an external thread, the inner wall of the through hole is provided with an internal thread, and the connecting rod is in threaded connection with the through hole.
3. The embryo freezing bar carrying device according to claim 1, wherein the handle portion of the bar carrying device is a telescopic structure.
4. The embryo freezing bar loading device according to claim 1, wherein the upper surface of the bottom plate is provided with a plurality of first through holes uniformly surrounding the through holes.
5. The embryo freezing bar carrying device according to claim 4, wherein the outer wall of the ring-shaped mounting body is uniformly provided with a plurality of second through holes.
6. The embryo freezing bar loading device according to claim 1, wherein the upper surface of the storage portion is convexly provided with at least one storage boss.
7. The embryo freezing bar loading device according to claim 1, wherein the upper surface of the pressing block is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210819.5A CN109362706B (en) | 2018-10-17 | 2018-10-17 | Embryo freezing rod carrying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210819.5A CN109362706B (en) | 2018-10-17 | 2018-10-17 | Embryo freezing rod carrying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109362706A CN109362706A (en) | 2019-02-22 |
| CN109362706B true CN109362706B (en) | 2021-06-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811210819.5A Expired - Fee Related CN109362706B (en) | 2018-10-17 | 2018-10-17 | Embryo freezing rod carrying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109362706B (en) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9587873B2 (en) * | 2012-03-27 | 2017-03-07 | Global Cooling, Inc. | Energy efficient biological freezer with vial management system |
| US9259562B2 (en) * | 2012-07-10 | 2016-02-16 | Lifeline Scientific, Inc. | Cannula |
| CN103190393B (en) * | 2013-04-09 | 2015-05-13 | 上海安久生物科技有限公司 | Biological sample vitrification carrier and application thereof |
| US20170188572A1 (en) * | 2014-05-02 | 2017-07-06 | Francesca Dagny TEKULA | Specimen container for biological materials |
| CN203985778U (en) * | 2014-06-26 | 2014-12-10 | 烟台毓璜顶医院 | A kind of embryo vitrifying freeze device |
| CN104986426B (en) * | 2015-06-10 | 2017-07-07 | 陈子江 | A kind of sample stored frozen pipe and stored frozen device |
| CN205321010U (en) * | 2016-01-28 | 2016-06-22 | 华中科技大学同济医学院附属协和医院 | Freezing lever apparatus that carries of embryo |
| CN106070186A (en) * | 2016-08-11 | 2016-11-09 | 王喜良 | The orientable frozen holder combination of biological specimen freezing carrier and using method |
| CN206565161U (en) * | 2016-10-12 | 2017-10-20 | 北京大学深圳医院 | A kind of gamete and the freeze thawing carrier of embryo |
| KR101736745B1 (en) * | 2016-11-16 | 2017-05-29 | 김종민 | Specimen container for preserving tissue |
| CN206565162U (en) * | 2017-02-28 | 2017-10-20 | 北京大学深圳医院 | Liquid nitrogen container solid storing device with automatic clamping and placing function |
| CN206635318U (en) * | 2017-04-01 | 2017-11-14 | 湖北省生命源干细胞有限公司 | A kind of storage rack for depositing culture dish |
| CN207054627U (en) * | 2017-08-23 | 2018-03-02 | 黑龙江省畜牧研究所 | The conserving case of embryo in vitro or cell freezing straw |
| CN107372467A (en) * | 2017-08-31 | 2017-11-24 | 成都众恒智合信息技术有限公司 | A kind of medical science human embryo refrigerating plant |
| CN108357316A (en) * | 2018-01-30 | 2018-08-03 | 嘉善卡勒机车零部件有限公司 | A kind of automobile shock-absorber |
| CN208159973U (en) * | 2018-03-05 | 2018-11-30 | 河北医科大学第二医院 | A kind of novel closed-type glass freezing load bar |
-
2018
- 2018-10-17 CN CN201811210819.5A patent/CN109362706B/en not_active Expired - Fee Related
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| CN109362706A (en) | 2019-02-22 |
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Granted publication date: 20210611 Termination date: 20211017 |