CN111919838A - Utilize fixed cell cryopreserving cooling box of atmospheric pressure - Google Patents
Utilize fixed cell cryopreserving cooling box of atmospheric pressure Download PDFInfo
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- CN111919838A CN111919838A CN202010913203.5A CN202010913203A CN111919838A CN 111919838 A CN111919838 A CN 111919838A CN 202010913203 A CN202010913203 A CN 202010913203A CN 111919838 A CN111919838 A CN 111919838A
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- box body
- fixedly connected
- rod
- upper cylinder
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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
- A01N1/0242—Apparatuses, i.e. devices used in the process of preservation of living parts, such as pumps, refrigeration devices or any other devices featuring moving parts and/or temperature controlling components
- A01N1/0252—Temperature controlling refrigerating apparatus, i.e. devices used to actively control the temperature of a designated internal volume, e.g. refrigerators, freeze-drying apparatus or liquid nitrogen baths
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Abstract
The invention relates to the technical field of genetic engineering equipment, and discloses a cell cryopreservation cooling box fixed by air pressure, which comprises an outer box body, wherein the inner side wall of the outer box body is connected with an inner box body in a sliding manner, the periphery of the upper surface of the inner box body is fixedly connected with clamping blocks, the joint of the inner box body and the outer box body is fixedly connected with an upper cylinder body and a lower cylinder body, the inner parts of the upper cylinder body and the lower cylinder body are respectively provided with a containing cavity, and the bottom of the upper cylinder body is fixedly connected with a one-way valve I; the box body is firmly fixed in the inside of outer box body in making, makes it be difficult for taking place to rock and the roll-off, simultaneously, one side of lower cylinder has the gasbag through gasbag union coupling, when bleeding, in gaseous being pumped the gasbag, the gasbag volume increase of box body bottom in making, upwards support it in the extrusion box body, the box body is more firm fixes in the inside of outer box body in making, in addition, the gasbag that has the air can play heat retaining effect simultaneously.
Description
Technical Field
The invention relates to the technical field of genetic engineering equipment, in particular to a cell cryopreservation cooling box fixed by air pressure.
Background
At present, among genetic engineering equipment, cell experimental equipment is the most common equipment, wherein, the freezing of cells usually adopts a cooling box, and the quality of the freezing of cells directly influences the subsequent cell resuscitation survival rate. In addition to the requirement for cell cryopreservation, which requires appropriate solutions (i.e., cell culture fluid, fetal bovine serum (10-30%) at appropriate concentrations, and cryoprotectant DMSO), the rate of cell cooling is also critical.
Among the prior art, the cell freezes deposits cooling box and divide into two-layerly usually, outer box body and interior box body promptly, and current interior box body all is the inner chamber of the outer box body of disect insertion, when operating, and the easy emergence of interior box body is rocked, and simultaneously, the outer box body of interior box body very easily roll-off causes the accident, and in addition, because the internal diameter of the test tube groove of interior box body is fixed, when meetting the test tube of different specifications, the less test tube of diameter easily rocks in the test tube groove.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cell cryopreservation cooling box fixed by air pressure, which has the advantages that the inner box body is adsorbed by vacuum, so that the inner box body is not easy to shake and slide out of the outer box body, and a test tube with a smaller diameter is clamped, and the problem that the inner box body and the outer box body are easy to shake, and the inner box body is easy to slide out of the outer box body to cause accidents is solved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a cell cryopreservation cooling box fixed by air pressure comprises an outer box body, wherein the inner side wall of the outer box body is connected with an inner box body in a sliding mode, clamping blocks are fixedly connected to the positions of the periphery of the upper surface of the inner box body, an upper cylinder and a lower cylinder are fixedly connected to the joint of the inner box body and the outer box body, cavities are formed in the upper cylinder and the lower cylinder, a one-way valve I is fixedly connected to the bottom of the upper cylinder, a fixing pin is inserted into the top of each clamping block, the bottom end of each fixing pin penetrates through the top of the upper cylinder and extends to the cavity formed in the upper cylinder, a one-way valve II and an air bag pipe are fixedly connected to the outer side wall of the lower cylinder, an air bag is fixedly connected to the air outlet end of the air bag pipe, and the air bag is;
a test tube groove is formed in the inner side wall of the inner box body, a supporting seat is connected inside the test tube groove in a sliding mode, a supporting rod is fixedly connected to the bottom of the supporting seat, a connecting rod is fixedly connected to the bottom of the supporting rod, a cross rod is fixedly connected to the bottom end of the connecting rod, a bidirectional piston head is fixedly connected to one side of the cross rod and located inside the lower cylinder body, the bidirectional piston head is connected with the lower cylinder body in a sliding mode, and an air spring is fixedly connected to the bottom of the cross rod;
the lateral wall of bracing piece articulates there is flexible supporting rod, the one end of flexible supporting rod articulates there is the centre gripping head.
Preferably, the top joint of outer box body has the top cap, the top joint of interior box body has interior lid, the top cap with the inside of interior lid all is filled with the heat preservation.
Preferably, the ventilation direction of the first check valve is from top to bottom, and the ventilation direction of the second check valve is from outside to inside.
Preferably, one side, close to the fixing pin, of the outer side wall of the upper cylinder body is provided with a first air release groove, and the outer side wall of the fixing pin is provided with a second air release groove.
Preferably, the bottom of the supporting seat has an arc-shaped structure, and the outer side wall of the supporting seat has a convex part.
Preferably, the bidirectional piston head consists of two symmetrically distributed rubber plug bodies.
Preferably, the flexible clamping rod is composed of three mutually hinged rod bodies, the flexible clamping rod and the clamping heads are respectively provided with two flexible clamping rods and clamping heads refer to the central symmetrical distribution of the supporting seat.
(III) advantageous effects
Compared with the prior art, the invention provides a cell cryopreservation cooling box fixed by air pressure, which has the following beneficial effects:
1. the cell freezing and storing cooling box fixed by air pressure is characterized in that an upper cylinder and a lower cylinder are arranged at the joint of an outer box body and an inner box body, cavities are arranged in the upper cylinder and the lower cylinder, the upper cylinder and the lower cylinder are communicated in a one-way mode, a two-way piston head is arranged in the lower cylinder, the two-way piston head is connected with a supporting seat on a supporting rod through a cross rod, the supporting seat is arranged in a test tube groove, when a test tube is fixed, the supporting seat is driven by the test tube to press down, the supporting seat drives the two-way piston head on the cross rod to press down, air in the upper cylinder is pumped out, vacuum is formed in the upper cylinder, a clamping block on the inner box body is adsorbed in vacuum, the inner box body is firmly fixed in the outer box body, the inner box body is not prone to shaking and sliding out, meanwhile, one side of the lower cylinder is connected, the gasbag volume increase of box body bottom in making, upwards extrude interior box body and support it, the inside at outer box body is fixed that makes interior box body more firm, and in addition, the gasbag that has the air can play heat retaining effect simultaneously.
2. This utilize fixed cell of atmospheric pressure to freeze and deposit cooling box, lateral wall through at the bracing piece sets up flexible supporting rod, flexible supporting rod comprises the three body of rod of mutual articulated, the in-process that moves down at the bracing piece, the angle of three flexible supporting rod changes, the outer wall that is close to the test tube that makes the holding head of flexible supporting rod one end slow, make the holding head carry out the centre gripping to the test tube outer wall of different specifications, because flexible supporting rod has elasticity, make the holding head can be fine support the test tube fixedly, make it when meetting the test tube of different specifications size, the centre gripping that can both be fine, and then avoid the phenomenon that the less test tube of diameter takes place to rock.
Drawings
FIG. 1 is a sectional view of an outer case according to the present invention;
FIG. 2 is a top view of the inner shell of the present invention;
FIG. 3 is a diagram showing the positional relationship between the bi-directional piston head and the flexible clamping rod when the test tube is not inserted in the present invention;
FIG. 4 is a diagram showing the positional relationship between the bi-directional piston head and the flexible clamping rod when the test tube is inserted in the present invention;
fig. 5 is an enlarged view of the upper column in the present invention.
In the figure: 1. an outer case; 11. a top cover; 2. an inner box body; 21. an inner cover body; 22. a test tube groove; 23. a clamping block; 3. an upper column; 301. a first air release groove; 31. a one-way valve I; 32. a fixing pin; 321. a second air release groove; 4. a lower column; 41. a second one-way valve; 42. a balloon tube; 43. an air bag; 5. a supporting seat; 51. a support bar; 52. a connecting rod; 53. a cross bar; 54. a bi-directional piston head; 55. a gas spring; 6. a flexible clamping rod; 61. a clamping head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a cell freezing and cooling box fixed by air pressure comprises an outer box 1, a top cover 11 is fastened to the top of the outer box 1, an inner cover 21 is fastened to the top of the inner box 2, heat insulating layers are filled in the top cover 11 and the inner cover 21, the inner side wall of the outer box 1 is slidably connected with the inner box 2, a fixture block 23 is fixedly connected to the periphery of the upper surface of the inner box 2, an upper cylinder 3 and a lower cylinder 4 are fixedly connected to the joint of the inner box 2 and the outer box 1, a cavity is formed in each of the upper cylinder 3 and the lower cylinder 4, a first check valve 31 is fixedly connected to the bottom of the upper cylinder 3, a fixing pin 32 is inserted into the top of the fixture block 23, a first venting groove 301 is formed in one side of the outer side wall of the upper cylinder 3 close to the fixing pin 32, a second venting groove 321 is formed in the outer side wall of the fixing pin 32, the second venting groove 321 formed in the fixing pin 32 is aligned with the first groove 301, the air enters the containing cavity in the upper cylinder 3 from the outside, so that the upper cylinder 3 is not in a vacuum state, the inner box body 2 can easily slide out of the outer box body 1, the bottom end of the fixing pin 32 penetrates through the top of the upper cylinder 3 and extends to the containing cavity formed in the upper cylinder 3, the outer side wall of the lower cylinder 4 is fixedly connected with a one-way valve II 41 and an air bag pipe 42, the ventilation direction of the one-way valve I31 is from top to bottom, the ventilation direction of the one-way valve II 41 is from outside to inside, the one-way valve I31 allows air to be drawn out, the one-way valve II 41 only operates to allow the outside air to enter, the air outlet end of the air bag pipe 42 is fixedly connected with an air bag 43;
the inner side wall of the inner box body 2 is provided with a test tube groove 22, the inside of the test tube groove 22 is connected with a supporting seat 5 in a sliding way, the bottom of the supporting seat 5 is provided with an arc-shaped structure, the outer side wall of the supporting seat 5 is provided with a convex part, the supporting seat 5 is matched with the bottom of a test tube, so that the bottom of the test tube can be completely contacted with the supporting seat 5, the convex part on the supporting seat 5 is connected with a supporting rod 51, the bottom of the supporting seat 5 is fixedly connected with a supporting rod 51, the bottom of the supporting rod 51 is fixedly connected with a connecting rod 52, the bottom of the connecting rod 52 is fixedly connected with a cross rod 53, one side of the cross rod 53 is fixedly connected with a bidirectional piston head 54, the bidirectional piston head 54 consists, the bidirectional piston head 54 is connected with the lower column 4 in a sliding way, and the bottom of the cross rod 53 is fixedly connected with a gas spring 55;
the lateral wall of bracing piece 51 articulates there is flexible supporting rod 6, flexible supporting rod 6 comprises three mutual articulated bodies of rod, flexible supporting rod 6 and holding head 61 all are equipped with two, two flexible supporting rod 6 and the central symmetric distribution of holding head 61 reference supporting seat 5, flexible supporting rod 6 comprises the rubber material, make it can take place to warp, produce elasticity, make the outer wall of adaptation test tube that it can be fine, and protect the test tube not receive too high pressure to take place to damage, the one end of flexible supporting rod 6 articulates there is holding head 61.
The working principle is as follows: when the test tube is stored, firstly, the test tube is inserted into the test tube groove 22 in the inner box body 2, the bottom of the test tube is contacted with the supporting seat 5 in the test tube groove 22, the test tube drives the supporting seat 5 to move downwards, the supporting seat 5 drives the supporting rod 51 at the bottom to move downwards, the supporting rod 51 drives the cross rod 53 connected with the supporting rod to move downwards, the bidirectional piston head 54 at one side of the cross rod 53 in the lower cylinder body 4 moves downwards, air in the upper cylinder body 3 is pumped in, vacuum is formed in the upper cylinder body 3, the clamping block 23 at the outer side of the inner box body 2 is sucked at the top of the upper cylinder body 3 in vacuum, when air is pumped, air in the lower cylinder body 4 enters the air bag 43 through the air bag pipe 42, the volume of the air bag 43 at the bottom of the inner box body 2 is increased, the inner box body 2 is upwards extruded and supported, meanwhile, in the process that the supporting rod 51 moves downwards, the supporting rod 51 drives the flexible clamping rod, the clamping head 61 at one end of the flexible clamping rod 6 is slowly close to the outer wall of the test tube, so that the clamping head 61 clamps the outer walls of the test tubes with different specifications;
when taking out the test tube, through extracting the test tube, make the test tube at the in-process that rises, flexible supporting rod 6 outwards removes, make holding head 61 break away from the outer wall of test tube, therefore, extract the test tube, simultaneously, the air spring 55 of horizontal pole 53 bottom drives horizontal pole 53 and rises, reset supporting seat 5, at this moment, rethread rotates fixed pin 32, make the two 321 of the groove of leaking gas of seting up on the fixed pin 32 and last cylinder 3 on lose heart groove 301 alignment of seting up, make gaseous appearance chamber in cylinder 3 by external entering, cylinder 3 is not being in vacuum state in the messenger, make interior box body 2 can relax in the outer box body 1 of roll-off.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an utilize fixed cell of atmospheric pressure to freeze and deposit cooling box, includes outer box (1), its characterized in that: the inner side wall of the outer box body (1) is connected with an inner box body (2) in a sliding mode, the periphery of the upper surface of the inner box body (2) is fixedly connected with a clamping block (23), the joint of the inner box body (2) and the outer box body (1) is fixedly connected with an upper cylinder (3) and a lower cylinder (4), the inner parts of the upper cylinder (3) and the lower cylinder (4) are respectively provided with a containing cavity, the bottom of the upper cylinder (3) is fixedly connected with a one-way valve I (31), the top of the clamping block (23) is spliced with a fixing pin (32), the bottom end of the fixing pin (32) penetrates through the top of the upper cylinder (3) and extends to the containing cavity arranged in the upper cylinder (3), the outer side wall of the lower cylinder (4) is fixedly connected with a one-way valve II (41) and an air bag pipe (42), and the air outlet end of the air bag pipe (42), the air bag (43) is positioned at the bottom of the inner box body (2);
a test tube groove (22) is formed in the inner side wall of the inner box body (2), a supporting seat (5) is connected to the inside of the test tube groove (22) in a sliding mode, a supporting rod (51) is fixedly connected to the bottom of the supporting seat (5), a connecting rod (52) is fixedly connected to the bottom of the supporting rod (51), a cross rod (53) is fixedly connected to the bottom end of the connecting rod (52), a bidirectional piston head (54) is fixedly connected to one side of the cross rod (53), the bidirectional piston head (54) is located inside the lower column body (4), the bidirectional piston head (54) is connected with the lower column body (4) in a sliding mode, and an air spring (55) is fixedly connected to the bottom of the cross rod;
the outer side wall of the supporting rod (51) is hinged with a flexible clamping rod (6), and one end of the flexible clamping rod (6) is hinged with a clamping head (61).
2. The cell cryopreservation cooling box fixed by air pressure according to claim 1, wherein: the top joint of outer box body (1) has top cap (11), the top joint of interior box body (2) has interior lid (21), top cap (11) with the inside of interior lid (21) all is filled there is the heat preservation.
3. The cell cryopreservation cooling box fixed by air pressure according to claim 1, wherein: the ventilation direction of the one-way valve I (31) is from top to bottom, and the ventilation direction of the one-way valve II (41) is from outside to inside.
4. The cell cryopreservation cooling box fixed by air pressure according to claim 1, wherein: the outer side wall of the upper cylinder (3) is close to one side of the fixing pin (32) and is provided with a first air leakage groove (301), and the outer side wall of the fixing pin (32) is provided with a second air leakage groove (321).
5. The cell cryopreservation cooling box fixed by air pressure according to claim 1, wherein: the bottom of the supporting seat (5) is provided with an arc-shaped structure, and the outer side wall of the supporting seat (5) is provided with a convex part.
6. The cell cryopreservation cooling box fixed by air pressure according to claim 1, wherein: the bidirectional piston head (54) consists of two symmetrically distributed rubber plug bodies.
7. The cell cryopreservation cooling box fixed by air pressure according to claim 1, wherein: the flexible clamping rod (6) is composed of three mutually hinged rod bodies, the flexible clamping rod (6) and the clamping head (61) are respectively provided with two or two flexible clamping rods (6) and the clamping head (61) refer to the central symmetrical distribution of the supporting seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010913203.5A CN111919838A (en) | 2020-09-03 | 2020-09-03 | Utilize fixed cell cryopreserving cooling box of atmospheric pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010913203.5A CN111919838A (en) | 2020-09-03 | 2020-09-03 | Utilize fixed cell cryopreserving cooling box of atmospheric pressure |
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| CN111919838A true CN111919838A (en) | 2020-11-13 |
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| CN202010913203.5A Withdrawn CN111919838A (en) | 2020-09-03 | 2020-09-03 | Utilize fixed cell cryopreserving cooling box of atmospheric pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703137A (en) * | 2021-12-31 | 2022-07-05 | 浙江金时代生物技术有限公司 | Method for differentiating umbilical cord mesenchymal stem cells into neural stem cells by utilizing cryopreserved umbilical cord mesenchymal stem cells |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203748527U (en) * | 2014-03-12 | 2014-08-06 | 杭州科默斯科技有限公司 | Cell freezing container |
| CN203860326U (en) * | 2014-04-16 | 2014-10-08 | 衢州兰玲机电科技有限公司 | Cell heat preservation vessel |
| CN204503163U (en) * | 2015-03-09 | 2015-07-29 | 邹淑杰 | A kind of flexible test tube clamp |
| US20160029618A1 (en) * | 2013-03-14 | 2016-02-04 | Universite Jean Monnet | Medical device intended for the long-term storage of a cornea, or for ex vivo experimentation on a human or animal cornea |
| CN205082557U (en) * | 2015-10-04 | 2016-03-16 | 北京弘润天源生物技术股份有限公司 | High -efficient constant temperature cell cryopreserving box |
| CN107333753A (en) * | 2017-08-17 | 2017-11-10 | 成都科创谷科技有限公司 | A kind of freezing storing box |
| CN109569766A (en) * | 2019-01-28 | 2019-04-05 | 上海奥普生物医药有限公司 | The driving device and test tube clamping device of test tube clamping device |
| CN208783643U (en) * | 2018-07-20 | 2019-04-26 | 卡替（上海）生物技术股份有限公司 | Stem cell cryopreserving box |
| CN109997838A (en) * | 2019-03-27 | 2019-07-12 | 安徽环球基因科技有限公司 | A kind of practical cell cryopreservation cooling box |
| CN110758913A (en) * | 2019-11-26 | 2020-02-07 | 深圳市晶鼎包装材料有限公司 | High-efficient vacuumized preservation box |
| CN210746911U (en) * | 2019-10-21 | 2020-06-16 | 武汉市第一医院 | Freeze and deposit stem cell with freezing and deposit box convenient to it is fixed |
| CN211303130U (en) * | 2019-09-23 | 2020-08-21 | 广西电网有限责任公司电力科学研究院 | Test tube clamping device |
| CN112678322A (en) * | 2020-12-25 | 2021-04-20 | 哈尔滨钜仁生物科技有限公司 | Kit for cell detection |
| CN112875008A (en) * | 2021-01-09 | 2021-06-01 | 青岛大学附属医院 | Kit for detecting hepatitis B virus |
| CN213611497U (en) * | 2020-10-19 | 2021-07-06 | 江苏奕农生物股份有限公司 | Flexible fixing device of biological enzyme solution test tube |
-
2020
- 2020-09-03 CN CN202010913203.5A patent/CN111919838A/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160029618A1 (en) * | 2013-03-14 | 2016-02-04 | Universite Jean Monnet | Medical device intended for the long-term storage of a cornea, or for ex vivo experimentation on a human or animal cornea |
| CN203748527U (en) * | 2014-03-12 | 2014-08-06 | 杭州科默斯科技有限公司 | Cell freezing container |
| CN203860326U (en) * | 2014-04-16 | 2014-10-08 | 衢州兰玲机电科技有限公司 | Cell heat preservation vessel |
| CN204503163U (en) * | 2015-03-09 | 2015-07-29 | 邹淑杰 | A kind of flexible test tube clamp |
| CN205082557U (en) * | 2015-10-04 | 2016-03-16 | 北京弘润天源生物技术股份有限公司 | High -efficient constant temperature cell cryopreserving box |
| CN107333753A (en) * | 2017-08-17 | 2017-11-10 | 成都科创谷科技有限公司 | A kind of freezing storing box |
| CN208783643U (en) * | 2018-07-20 | 2019-04-26 | 卡替（上海）生物技术股份有限公司 | Stem cell cryopreserving box |
| CN109569766A (en) * | 2019-01-28 | 2019-04-05 | 上海奥普生物医药有限公司 | The driving device and test tube clamping device of test tube clamping device |
| CN109997838A (en) * | 2019-03-27 | 2019-07-12 | 安徽环球基因科技有限公司 | A kind of practical cell cryopreservation cooling box |
| CN211303130U (en) * | 2019-09-23 | 2020-08-21 | 广西电网有限责任公司电力科学研究院 | Test tube clamping device |
| CN210746911U (en) * | 2019-10-21 | 2020-06-16 | 武汉市第一医院 | Freeze and deposit stem cell with freezing and deposit box convenient to it is fixed |
| CN110758913A (en) * | 2019-11-26 | 2020-02-07 | 深圳市晶鼎包装材料有限公司 | High-efficient vacuumized preservation box |
| CN213611497U (en) * | 2020-10-19 | 2021-07-06 | 江苏奕农生物股份有限公司 | Flexible fixing device of biological enzyme solution test tube |
| CN112678322A (en) * | 2020-12-25 | 2021-04-20 | 哈尔滨钜仁生物科技有限公司 | Kit for cell detection |
| CN112875008A (en) * | 2021-01-09 | 2021-06-01 | 青岛大学附属医院 | Kit for detecting hepatitis B virus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703137A (en) * | 2021-12-31 | 2022-07-05 | 浙江金时代生物技术有限公司 | Method for differentiating umbilical cord mesenchymal stem cells into neural stem cells by utilizing cryopreserved umbilical cord mesenchymal stem cells |
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