CN213736403U - Freezing check unit and sample freezing device - Google Patents
Freezing check unit and sample freezing device Download PDFInfo
- Publication number
- CN213736403U CN213736403U CN202022866022.XU CN202022866022U CN213736403U CN 213736403 U CN213736403 U CN 213736403U CN 202022866022 U CN202022866022 U CN 202022866022U CN 213736403 U CN213736403 U CN 213736403U
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- wall
- shell
- freezing
- cryopreservation
- cavity
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- 238000007710 freezing Methods 0.000 title claims abstract description 62
- 230000008014 freezing Effects 0.000 title claims abstract description 62
- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 238000005138 cryopreservation Methods 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 210000002268 wool Anatomy 0.000 claims description 2
- 239000006172 buffering agent Substances 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 35
- 239000010410 layer Substances 0.000 description 20
- 239000004033 plastic Substances 0.000 description 12
- 229920003023 plastic Polymers 0.000 description 12
- 239000003814 drug Substances 0.000 description 9
- 210000004369 blood Anatomy 0.000 description 6
- 239000008280 blood Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000002207 metabolite Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 208000001034 Frostbite Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940121657 clinical drug Drugs 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003255 drug test Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000012520 frozen sample Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a freezing grid unit and a sample freezing device, the freezing grid unit comprises at least two freezing grids which are fixed by magnetic adsorption, wherein each freezing grid comprises a cuboid shell and a shell cover, the shell is provided with a shell inner wall and a shell outer wall, a first space is formed between the inner wall of the shell and the outer wall of the shell, a buffering agent is filled in the first space, the inner wall of the shell is enclosed into a first cavity for placing a freezing tube, the first cavity is provided with an outlet, the shell cover is provided with a first end and a second end, the first end is hinged on the upper part of the shell, so that the export of first cavity can be opened or closed to the cap, freezes to deposit the pipe and add the sample after, only need adsorb freezing the check together deposit put into freeze deposit the box can, need not take repeatedly to freeze and deposit the box, easy operation is convenient can avoid freezing the sample in the box and take place the overtemperature condition phenomenon again.
Description
Technical Field
The utility model belongs to the blood sample field of preserving, more specifically relates to freeze and deposit check unit and sample and freeze and deposit the device.
Background
The clinical test of medicine is to analyze the concentration of medicine or its metabolite in blood to form a complete blood concentration-time curve, so as to reflect the dynamic change rule of medicine absorption, distribution, metabolism and excretion in human body. In clinical drug tests, blood samples after centrifugation cannot be immediately sent to an analysis and detection center for detection and analysis, so that plasma or serum samples after centrifugation need to be filled into a cryopreservation tube, the cryopreservation tube is placed in an environment with ultralow temperature of minus 80 ℃ for storage, and in the whole storage process, the temperature of the stored samples needs to be maintained within a temperature range specified in a test scheme, so that drugs or metabolites thereof in blood are prevented from being decomposed, and the detection accuracy is prevented from being influenced.
The current common methods are: the method comprises the steps of firstly filling a centrifuged serum/plasma sample into a cryopreservation tube, then putting the cryopreservation tube into a plastic box with holes, wherein a plurality of holes are formed in the plastic box, and finally putting the plastic box into an ultra-low temperature refrigerator with the temperature of minus 80 ℃. Particularly, in a phase I clinical test or a drug bioequivalence test of a drug, at least 11-12 sampling time points exist at the time point of blood collection, and each time point usually has a sample size of about 12-24 persons. Because the sampling time point is many in whole test process, need repeatedly from the plastic box of taking in the ultra-low temperature refrigerator, in placing the plastic box with the cryopreserving pipe of sample, because the plastic box temperature is extremely low, very easy frostbite operator. The distance between the freezing storage tubes in the plastic box is small, so that the samples are inconvenient to take and check.
The ultra-low temperature refrigerator has a large temperature difference between the inside and the outside (generally, the temperature in the ultra-low temperature refrigerator is about minus 80 ℃, and the outside temperature is about 25 ℃), and the sample amount in the cryopreservation tube is small. After the plastic box is taken out of the ultra-low temperature refrigerator, the frozen sample in the plastic box is easily redissolved or the storage temperature exceeds the storage temperature specified by the test scheme, namely, the overtemperature phenomenon occurs, when the overtemperature phenomenon occurs to the sample, the accuracy of the detection of the drug or the metabolite thereof in the sample can be influenced, and particularly, in the phase I clinical test or the drug bioequivalence test of the drug, a plurality of samples need to be frozen at each sampling time point. The sample is put into the plastic box for a long time, and the overtemperature phenomenon is easy to occur when the sample in the plastic box is at room temperature for a long time, so that the test quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a freeze and deposit check unit and sample and freeze and deposit device, easy operation is convenient, reduces and appears the probability of overtemperature.
According to the utility model discloses an aspect provides cryopreserved check unit, including two at least cryopreserved check, two it is fixed through magnetic adsorption between the cryopreserved check, wherein, each cryopreserved check is including shell and the cap that is the cuboid form, the shell has shell inner wall and shell outer wall, form first space between shell inner wall and the shell outer wall, the intussuseption of first space is filled with the buffer, shell inner wall encloses to become to be used for placing the first cavity of cryopreserved pipe, first cavity has the export, the cap has first end and second end, first end articulates the upper portion at the shell, so that the export of first cavity can be opened or closed to the cap.
In a particular embodiment of the invention, the outer wall of the housing has a left outer wall and a right outer wall, the left outer wall being provided with the first iron sheet, the right outer wall being provided with the first magnet.
In a particular embodiment of the invention, the cover comprises a first layer, a second layer and a layer of insulating material located between the first layer and the second layer.
In a specific embodiment of the present invention, the second end is provided with a second iron plate at an inner edge thereof, and the housing is provided with a second magnet for attracting the iron plate.
In a particular embodiment of the invention, the upper part of the housing has a recess for placing the cover.
In a particular embodiment of the present invention, the buffer is absolute alcohol.
In a particular embodiment of the present invention, the inner wall of the housing is a heat conducting member and the inner wall of the housing is a heat insulating member.
According to the utility model discloses a second aspect provides sample cryopreserving device for place in ultra-low temperature refrigerator, including cryopreserving the box, cryopreserving the box and having the second cavity, be provided with at least one in the second cavity cryopreserving check unit.
In a specific embodiment of the present invention, the surface of the outer side of the cryopreservation box is wrapped with a pearl wool layer.
In a specific embodiment of the present invention, at least two third magnets for magnetically adsorbing the first iron sheet are disposed at an interval on the inner wall of the second cavity.
The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme: the utility model discloses a freezing check that can assemble is set up, and the operator can take and freeze the same freezing check of quantity of depositing the pipe in the freezing box of ultra-low temperature refrigerator as required, and the freezing check of same time point is together fixed through magnetic adsorption to satisfy different clinical trial needs and freeze the demand that the sample needs are inequality. After the freezing tube is added with the sample, the freezing lattice adsorbed together is only required to be placed in the freezing box without repeatedly taking the freezing box, so that the operation is simple and convenient, and the phenomenon of overtemperature of the sample in the freezing box can be avoided. The specific heat capacity of the buffer of freezing check is great, and after the buffer absorbed or released heat energy, the temperature of buffer just can rise or descend, and the ambient temperature that the sample was deposited just can be influenced in the rise or the decline of the temperature of buffer to play the effect of buffering to freezing check inside temperature, reduce the temperature difference change of sample storage environment, increase sample storage ambient temperature's stability.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic structural view of a freezing compartment of the present invention;
fig. 2 is the schematic structural diagram of the sample cryopreservation device of the present invention.
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 accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
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 features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.
The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.
Referring to fig. 1, the freezing storage grid unit includes at least two freezing storage grids 12, and the two freezing storage grids 12 are fixed by magnetic adsorption, wherein each freezing storage grid 12 includes a rectangular casing 13 and a casing cover 14, the casing 13 has a casing inner wall 20 and a casing outer wall 21, a first space is formed between the casing inner wall 20 and the casing outer wall 21, the first space is filled with a buffer agent, the casing inner wall 20 encloses a first cavity 24 for placing a freezing storage tube 22, the first cavity 24 can only place one freezing storage tube 22, the first cavity 24 has an outlet, the casing cover 14 has a first end and a second end, the first end is hinged to the upper portion of the casing 13 by a hinge 15, so that the casing cover 14 can open or close the outlet of the first cavity 24, and a gap exists between the casing cover 14 and the freezing storage tube 22.
The operator can be as required from the cryopreserved box of ultra-low temperature refrigerator take with cryopreserved pipe 22 the same number of cryopreserved check 12, and the cryopreserved check 12 of same time point is together fixed through magnetic adsorption to satisfy different clinical trial needs cryopreserved sample needs demand inequality. After the freezing tube 22 is added with the sample, the shell cover 14 is used for closing the outlet of the first cavity 24, and only the freezing grids 12 which are adsorbed together need to be placed in the freezing box without repeatedly taking the freezing box, so that the phenomenon of overtemperature of the sample in the freezing box can be avoided due to the simple and convenient operation. The specific heat capacity of the buffer of freezing check 12 is great, and after the buffer absorbed or released heat energy, the temperature of buffer just can rise or descend, and the ambient temperature that the sample was deposited just can be influenced in the rise or the decline of the temperature of buffer to play the effect of buffering to freezing check 12 inside temperature, reduce the temperature difference change of sample storage environment, increase sample storage ambient temperature's stability. Especially, when opening ultra-low temperature refrigerator door, when freezing the rising of depositing 12 outer ambient temperature sexuality, freezing the inside temperature of depositing 12 under anhydrous alcohol cushioning effect, the ambient temperature that the sample was deposited can not be along with rising, effectively avoids the sample to take place the overtemperature prote phenomenon. The transient increase of the ambient temperature outside the freezing compartment 12 refers to a temporary increase of the ambient temperature outside the freezing compartment 12.
In one embodiment of the present invention, the outer wall 21 has a left outer wall and a right outer wall, the left outer wall is provided with the first iron plate 17, and the right outer wall is provided with the first magnet 16. Two it is fixed to be one row through magnetic adsorption between first magnet 16 and the first iron sheet 17 between freezing check 12, the operator's management of being convenient for. The exposed surfaces of the first magnets 16 in the freezing compartments 12 have the same magnetism, that is, when the first magnets 16 in the two freezing compartments 12 are opposed to each other, the two freezing compartments 12 cannot be magnetically attracted.
In one embodiment of the present invention, the housing cover 14 includes a first layer, a second layer and a thermal insulation material layer between the first layer and the second layer, the thermal insulation material layer makes the housing cover 14 have thermal insulation effect. Preferably, the heat insulating material layer is a polyurethane foam layer. Of course, in order to facilitate the operator to observe the state of the first chamber 24, an observation window may be provided that penetrates the first layer, the insulating material layer, and the second layer.
It should be noted that the cover 14 may also be formed of double-layer vacuum transparent plexiglass instead of the first, insulating, and second layers, so that the operator can observe the conditions inside the first chamber 24.
In one embodiment of the present invention, in order to prevent the case cover 14 from being detached from the housing 13, the inner edge of the second end is provided with a second iron sheet 19, the housing 13 is provided with a second magnet 18 for adsorbing the iron sheet, after the sample is placed in the freezing tube 22, the case cover 14 is rotated, the outlet of the first cavity 24 is closed, and the second magnet 18 adsorbs the second iron sheet 19 through magnetic force to fix the case cover 14 on the housing 13.
In one embodiment of the present invention, in order to make the appearance even and uniform, the upper portion of the housing 13 has a groove for placing the housing cover 14, and after the housing cover 14 is placed in the groove and the first cavity 24 is closed, the upper end surface of the housing cover 14 is flush with the upper end surface of the housing 13.
In one embodiment of the present invention, the buffer is absolute alcohol. Because absolute alcohol's specific heat capacity is great, after absolute alcohol absorbed or released heat energy, absolute alcohol's temperature just can rise or descend, and the ambient temperature that the sample was deposited just can be influenced to the rise or the decline of absolute alcohol's temperature to play the effect of buffering to freezing the inside temperature of check 12, reduce the temperature difference change of sample storage environment. When the absolute alcohol is liquid at normal temperature, the absolute alcohol cannot be solidified in an ultralow environment at minus 80 ℃, so that the phenomenon that the freezing storage lattice is broken due to volume change is prevented.
In one embodiment, the housing inner wall 20 is a thermally conductive member that enables good thermal conductivity between the buffer and the cryopreservation tube 22. Preferably, the heat conductive member is made of a hard and highly heat conductive material, such as aluminum, copper, or iron. The inner wall 20 of the housing is a heat insulating member to prevent heat of the buffer from being emitted to the outside and/or the buffer from absorbing to the outside temperature, thereby maintaining the temperature. The insulating member may be a single layer of plastic or perspex.
Referring to fig. 2, the sample cryopreserving device is used for placing in the ultra-low temperature refrigerator, and includes cryopreserving box 11, cryopreserving box 11 has the second cavity, be provided with at least one in the second cavity cryopreserving check unit. The operator can be as required from the cryopreserving box 11 of ultra-low temperature refrigerator take with cryopreserving the freezing check 12 that the quantity of pipe 22 is the same, and the freezing check 12 of the same time point is together fixed through magnetic adsorption to it needs different demands of cryopreserving sample needs to satisfy different clinical trial. After the tube 22 that freezes is deposited and adding the sample, close the export of cap 14 with first cavity 24, only need will adsorb freezing check 12 together put into freeze and deposit in the box 11 can, need not take repeatedly to freeze and deposit box 11, easy operation is convenient can avoid freezing the sample in the box 11 and take place the overtemperature condition again.
The utility model discloses an embodiment, in order to prevent that the operator from taking cryopreserving box 11 by the frostbite, cryopreserving box 11's outside surface coating has the cotton layer of pearl.
In one embodiment of the present invention, at least two third magnets 23 for magnetically adsorbing the first iron sheet 17 are disposed at the inner wall of the second cavity. The freezing check 12 is fixed on the inner wall of the second cavity through the magnetic adsorption between the third magnet 23 and the first iron sheet 17, so that the operator can conveniently manage the freezing check. In the freezing compartment 12, the magnetism of the exposed surface of the first magnet 16 is the same as the magnetism of the exposed surface of the third magnet 23, that is, when the first magnet 16 and the third magnet 23 are opposite to each other, the freezing compartment 12 cannot be fixed to the inner wall of the second cavity by magnetic attraction.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. Freezing check unit of depositing, its characterized in that, including two at least freezing check, two it is fixed through magnetic adsorption between the freezing check, wherein, each freezing check is including shell and the cap that is the cuboid form, the shell has shell inner wall and shell outer wall, form first space between shell inner wall and the shell outer wall, first space intussuseption is filled with the buffer, the shell inner wall encloses to become and is used for placing the first cavity that freezes and deposits the pipe, first cavity has the export, the cap has first end and second end, first end articulates the upper portion at the shell, so that the export of first cavity can be opened or closed to the cap.
2. The cryopreservation grid unit of claim 1, wherein the outer shell wall has a left outer wall and a right outer wall, the left outer wall being provided with the first iron sheet and the right outer wall being provided with the first magnet.
3. The cryopreservation grid unit of claim 1, wherein the housing cover comprises a first layer, a second layer, and a layer of insulating material between the first layer and the second layer.
4. The cryopreservation grid unit of claim 1 or 3, wherein a second iron sheet is arranged at the inner side edge of the second end, and the shell is provided with a second magnet for adsorbing the iron sheet.
5. The cryopreservation grid unit of claim 1, wherein the upper portion of the housing has a recess in which the housing cover is placed.
6. The cryopreservation cell of claim 1, wherein the buffer is absolute alcohol.
7. The cryopreservation grid unit of claim 1, wherein the inner housing wall is a thermally conductive member and the inner housing wall is a thermally insulating member.
8. The sample cryopreservation device is used for being placed in an ultra-low temperature refrigerator and is characterized by comprising a cryopreservation box, wherein the cryopreservation box is provided with a second cavity, and at least one cryopreservation grid unit as claimed in any one of claims 1 to 7 is arranged in the second cavity.
9. The sample cryopreservation device of claim 8, wherein the outer surface of the cryopreservation box is wrapped with a pearl wool layer.
10. The sample cryopreservation device of claim 8, wherein at least two third magnets for magnetically attracting the first iron sheet are arranged at intervals on the inner wall of the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866022.XU CN213736403U (en) | 2020-12-03 | 2020-12-03 | Freezing check unit and sample freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866022.XU CN213736403U (en) | 2020-12-03 | 2020-12-03 | Freezing check unit and sample freezing device |
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| Publication Number | Publication Date |
|---|---|
| CN213736403U true CN213736403U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866022.XU Expired - Fee Related CN213736403U (en) | 2020-12-03 | 2020-12-03 | Freezing check unit and sample freezing device |
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| Country | Link |
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| CN (1) | CN213736403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114805529A (en) * | 2021-10-22 | 2022-07-29 | 江苏艾洛特医药研究院有限公司 | Culture stem cell growth factor's cryopreserving device |
-
2020
- 2020-12-03 CN CN202022866022.XU patent/CN213736403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114805529A (en) * | 2021-10-22 | 2022-07-29 | 江苏艾洛特医药研究院有限公司 | Culture stem cell growth factor's cryopreserving device |
| CN114805529B (en) * | 2021-10-22 | 2024-03-12 | 江苏艾洛特医药研究院有限公司 | Freezing storage device for culturing stem cell growth factors |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |