CN113446804A - Liquid nitrogen bio-container is with square frame of depositing that freezes - Google Patents
Liquid nitrogen bio-container is with square frame of depositing that freezes Download PDFInfo
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- CN113446804A CN113446804A CN202010223392.3A CN202010223392A CN113446804A CN 113446804 A CN113446804 A CN 113446804A CN 202010223392 A CN202010223392 A CN 202010223392A CN 113446804 A CN113446804 A CN 113446804A
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- fixing
- liquid nitrogen
- frame
- grooves
- square
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/105—Movable containers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of liquid nitrogen biological containers, and particularly relates to a square freezing rack for a liquid nitrogen biological container. The freezing rack is reasonable in structure and convenient to operate, the structure of the freezing rack is flexible and convenient to adjust, the use position of the movable rack is convenient to adjust, the freezing rack can be matched with freezing pipes of different models, the freezing rack is convenient to extract and store, the heat preservation performance is good, and taking and placing of samples off a liquid nitrogen container are safer.
Description
Technical Field
The invention relates to the technical field of liquid nitrogen biological containers, in particular to a square freezing storage rack for a liquid nitrogen biological container.
Background
The liquid nitrogen biological container is widely applied to the fields of biology, medical treatment, livestock raising and the like. The cryopreservation tube is a commonly used accessory for collecting and storing biological samples all over the world, the cryopreservation tube is usually stored in a square cryopreservation box firstly, and liquid nitrogen biological containers of different specifications need different layers of square cryopreservation frames for adaptation; the traditional square lifting cylinder of the liquid nitrogen biological container is generally formed by welding sheet metal components. The welded square lifting cylinder is large in size and not beneficial to transportation, and dozens of square freezing racks with different specifications are matched with different liquid nitrogen biological containers; the traditional square lifting cylinder of the liquid nitrogen biological container is made of metal materials such as stainless steel or aluminum alloy, is heavy, requires labor for extraction and storage operation, and is easy to damage due to collision; the traditional square lifting cylinder of the liquid nitrogen biological container has no heat preservation performance, the temperature of a cryopreservation box rises to-150 ℃ in less than 1 minute after the square lifting cylinder leaves the liquid nitrogen container, and the safe operation time for extracting and storing by a cryopreservation tube is too short;
however, the existing freezing rack is assembled by welding, has large packaging volume, large self weight, inconvenient extraction and storage and no heat insulation performance, and is unsafe to take and place samples when leaving a liquid nitrogen container.
Disclosure of Invention
The invention aims to solve the defects that a freezing frame is assembled by welding, the packaging volume is large, the self weight is large, the extraction and storage are inconvenient, the heat insulation performance is not realized, and the taking and placing of samples away from a liquid nitrogen container are unsafe in the prior art, and provides the square freezing frame for the liquid nitrogen biological container.
In order to achieve the purpose, the invention adopts the following technical scheme:
a square cryopreservation frame for a liquid nitrogen biological container comprises a frame body, wherein a cover plate is rotatably installed on one side of the frame body, a handle is fixedly installed on the top of the frame body, a heat insulation plate is fixedly connected to the outer side of the frame body, a plurality of moving frames are arranged in the frame body, a plurality of fixing grooves are formed in the tops of the moving frames, a placing frame is slidably installed in each fixing groove, mounting holes are formed in one sides of the placing frames, fixing rods are fixedly installed in the mounting holes, two ends of each fixing rod are welded to the inner walls of the two sides of each fixing groove respectively, springs are sleeved on the fixing rods, fixing seats are fixedly installed on one sides of the placing frames, fixing holes are formed in the tops of the fixing seats, cryopreservation tubes are movably installed in the fixing holes, fixing arms are fixedly installed on the inner walls of one sides of the fixing holes and are in contact with the corresponding cryopreservation tubes, all set up flutedly on one side inner wall of a plurality of fixed orificess, equal slidable mounting has the centre gripping arm in a plurality of recesses, and the centre gripping arm contacts with the freezing pipe of depositing that corresponds, has all set up the slide opening on one side inner wall of a plurality of recesses, and equal slidable mounting has the screw rod in a plurality of slide openings, the one end welding of screw rod is on the centre gripping arm that corresponds, and equal threaded mounting has the nut on a plurality of screw rods, and the nut rotates and installs the one side at the fixing base that corresponds.
Preferably, the sliding grooves are formed in the inner walls of the two sides of the groove, the sliding blocks are fixedly mounted on the two sides of the clamping arm respectively, the sliding blocks are slidably mounted in the corresponding sliding grooves, the sliding blocks are driven to slide in the sliding grooves when the clamping arm moves, and the position of the clamping arm when the clamping arm moves can be stabilized.
Preferably, glass fiber capillary materials are filled in the rack body and the plurality of movable racks, the rack body and the plurality of movable racks have strong adsorption capacity on liquid nitrogen, the square freezing storage rack absorbs a large amount of liquid nitrogen in the storage process of the liquid nitrogen tank, and meanwhile, the heat conductivity of the filling materials is extremely low.
Preferably, an annular groove is formed in one side of the fixed seat, a moving block is fixedly mounted on one side of the nut, the moving block is connected with the side wall of the annular groove in a sliding mode, the nut drives the moving block to slide in the annular groove when rotating, and the position of the nut when rotating can be stabilized.
Preferably, all seted up the spacing groove on the both sides inner wall of support body, the shifting chute has all been seted up to the both sides of carriage, and equal slidable mounting has the gag lever post in two shifting chutes, gag lever post and the spacing groove looks adaptation that corresponds, and the spacing groove that the gag lever post roll-off corresponds can cancel the fixed restriction of carriage.
Preferably, the threaded groove has all been seted up to the one end that two gag lever posts are close to each other, has seted up same connecting hole on the one side inner wall that two shifting chutes are close to each other, and fixed mounting has two connecting blocks in the connecting hole, and the rotation hole has all been seted up to the one end of two connecting blocks, and the lead screw drives the gag lever post that corresponds and inserts the spacing inslot that corresponds, can fix the position of removal frame.
Preferably, the screw rods are installed in the two rotating holes in a rotating mode, one end of each screw rod is installed in the corresponding thread groove in a threaded mode, the first bevel gears are fixedly installed at the ends, close to each other, of the two screw rods, the control holes are formed in the inner wall of the bottom of the connecting hole, the second bevel gears drive the two first bevel gears to rotate, and the first bevel gears drive the corresponding screw rods to rotate.
Preferably, the control hole is internally and rotatably provided with a control rod, the top end of the control rod is fixedly provided with a second bevel gear, the two first bevel gears are meshed with the second bevel gear, the bottom end of the control rod is welded with an adjusting block, the adjusting block is rotatably arranged at the bottom of the movable frame, the adjusting block drives the control rod to rotate, and the control rod drives the second bevel gear to rotate.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the scheme, the cryopreservation pipe is placed in the fixing hole, the nut is rotated, the nut drives the screw to move, the cryopreservation pipe is clamped and fixed by the clamping arm and the fixing arm, the cryopreservation pipes with different sizes can be clamped and fixed by the moving position of the clamping arm, when the frame body shakes, the fixing rod passively slides in the mounting hole, the shaking of the placing frame can be buffered by the elastic action of the spring, the cryopreservation pipe can be prevented from being damaged by collision, the adjusting block is rotated, the control rod drives the second bevel gear to rotate, and the first bevel gear drives the corresponding screw rod to rotate;
(2) according to the scheme, the lead screw drives the corresponding limiting rods to move, so that the fixed limit of the movable frame can be cancelled, the movable frame is moved, the distance among the plurality of movable frames can be adjusted, the adjusting block is rotated reversely, the lead screw drives the corresponding limiting rods to be inserted into the corresponding limiting grooves, so that the positions of the movable frames can be fixed, the freezing tubes can be conveniently extracted and stored, the freezing tubes can be adapted to different types of freezing tubes, the heat insulation performance of the freezing frames can be improved by the heat insulation board, the frame body and the plurality of movable frames have strong adsorption capacity on liquid nitrogen, the low-temperature retention time is greatly prolonged, and the safety is improved;
the freezing rack is reasonable in structure and convenient to operate, the structure of the freezing rack is flexible and convenient to adjust, the use position of the movable rack is convenient to adjust, the freezing rack can be matched with freezing pipes of different models, the freezing rack is convenient to extract and store, the heat preservation performance is good, and taking and placing of samples off a liquid nitrogen container are safer.
Drawings
FIG. 1 is a schematic view of a front view structure according to the present invention;
FIG. 2 is a schematic view of part A of the structure proposed by the present invention;
FIG. 3 is a schematic structural diagram of part B according to the present invention;
FIG. 4 is a schematic structural diagram of part C according to the present invention;
fig. 5 is a schematic structural diagram of the fixing seat, the cryopreservation tube, the fixing arm and the clamping arm provided by the invention.
In the figure: 1. a frame body; 2. a cover plate; 3. a handle; 4. a thermal insulation board; 5. a movable frame; 6. fixing grooves; 7. placing a rack; 8. a fixed seat; 9. a fixing hole; 10. freezing and storing the tube; 11. a fixed arm; 12. a clamp arm; 13. a screw; 14. a nut; 15. fixing the rod; 16. a spring; 17. a limiting groove; 18. a limiting rod; 19. connecting holes; 20. a screw rod; 21. connecting blocks; 22. a first bevel gear; 23. an adjusting block; 24. a second bevel gear; 25. and (4) a groove.
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.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Referring to fig. 1-5, a square cryopreservation rack for liquid nitrogen biological containers, comprising a rack body 1, a cover plate 2 rotatably mounted on one side of the rack body 1, a handle 3 fixedly mounted on the top of the rack body 1, a heat insulation plate 4 fixedly connected to the outer side of the rack body 1, a plurality of movable racks 5 arranged in the rack body 1, a plurality of fixed grooves 6 arranged on the top of the movable racks 5, a rack 7 slidably mounted in each of the fixed grooves 6, mounting holes arranged on one side of the rack 7, fixed rods 15 fixedly mounted in the mounting holes, two ends of each fixed rod 15 respectively welded to the inner walls of the two sides of each fixed groove 6, springs 16 respectively sleeved on the fixed rods 15, fixing seats 8 fixedly mounted on one side of the rack 7, fixing holes 9 arranged on the top of the fixing seats 8, cryopreservation tubes 10 movably mounted in the fixing holes 9, and fixing arms 11 fixedly mounted on the inner wall of one side of the fixing holes 9, fixed arm 11 contacts with the freezing pipe 10 that corresponds, all seted up recess 25 on one side inner wall of a plurality of fixed orificess 9, equal slidable mounting has centre gripping arm 12 in a plurality of recesses 25, centre gripping arm 12 contacts with the freezing pipe 10 that deposits that corresponds, the slide opening has all been seted up on one side inner wall of a plurality of recesses 25, equal slidable mounting has screw rod 13 in a plurality of slide openings, the one end welding of screw rod 13 is on the centre gripping arm 12 that corresponds, nut 14 is installed to equal screw thread on a plurality of screw rods 13, nut 14 rotates the one side of installing at the fixing base 8 that corresponds.
In this embodiment, all seted up the spout on the both sides inner wall of recess 25, the equal fixed mounting in both sides of centre gripping arm 12 has the slider, and slider slidable mounting drives the slider and slides in the spout when centre gripping arm 12 removes in the spout that corresponds, can stabilize the position when centre gripping arm 12 removes.
In this embodiment, all pack in support body 1 and a plurality of removal frame 5 and have glass fiber class capillary material, support body 1 and a plurality of removal frame 5 have very strong adsorption efficiency to the liquid nitrogen, store the square freezing of process and deposit a large amount of liquid nitrogen of frame absorption in the liquid nitrogen container, and this filling material thermal conductivity is extremely low simultaneously.
In this embodiment, an annular groove is opened at one side of fixing base 8, and one side fixed mounting of nut 14 has the movable block, and the movable block is connected with the lateral wall sliding of annular groove, and nut 14 drives the movable block and slides in the annular groove when rotating, can stabilize the position when nut 14 rotates.
In this embodiment, all seted up spacing groove 17 on the both sides inner wall of support body 1, the shifting chute has all been seted up to the both sides of carriage 5, and equal slidable mounting has gag lever post 18 in two shifting chutes, gag lever post 18 and the corresponding spacing groove 17 looks adaptation, and the gag lever post 18 roll-off corresponds spacing groove 17, can cancel the fixed restriction of carriage 5.
In this embodiment, the thread groove has all been seted up to the one end that two gag lever posts 18 are close to each other, has seted up same connecting hole 19 on the one side inner wall that two shifting chutes are close to each other, and fixed mounting has two connecting blocks 21 in the connecting hole 19, and the rotation hole has all been seted up to the one end of two connecting blocks 21, and lead screw 20 drives the gag lever post 18 that corresponds and inserts the spacing groove 17 that corresponds in, can fix the position of removal frame 5.
In this embodiment, the two rotating holes are internally and rotatably provided with the screw rod 20, one end of the screw rod 20 is installed in the corresponding thread groove in a threaded manner, the two ends of the screw rod 20 close to each other are fixedly provided with the first bevel gears 22, the inner wall of the bottom of the connecting hole 19 is provided with the control hole, the second bevel gear 24 drives the two first bevel gears 22 to rotate, and the first bevel gears 22 drive the corresponding screw rods 20 to rotate.
In this embodiment, the control lever is installed to the downthehole rotation of control, and the top fixed mounting of control lever has second bevel gear 24, and two first bevel gears 22 all mesh with second bevel gear 24, and the bottom welding of control lever has regulating block 23, and regulating block 23 rotates and installs in the bottom of removal frame 5, and regulating block 23 drives the control lever and rotates, and the control lever drives second bevel gear 24 and rotates.
In this embodiment, the worker checks each component and can use the frozen tube after the situation is ensured to be correct, the frozen tube 10 is placed into the fixing hole 9, the nut 14 is rotated, the nut 14 drives the screw 13 to move, the screw 13 drives the clamping arm 12 to move, the clamping arm 12 and the fixing arm 11 clamp and fix the frozen tube 10, the moving position of the clamping arm 12 can clamp and fix the frozen tubes 10 with different sizes, when the frame body 1 shakes, the placing frame 7 slides in the fixing groove 6, the fixing rod 15 slides in the mounting hole passively, the placing frame 7 extrudes the spring 16, the elastic action of the spring 16 can buffer the shaking of the placing frame 7, the frozen tube 10 can be prevented from being damaged by collision, the adjusting block 23 is rotated, the adjusting block 23 drives the control rod to rotate, the control rod drives the second bevel gear 24 to rotate, the second bevel gear 24 drives the two first bevel gears 22 to rotate, the first bevel gears 22 drive the corresponding lead screws 20 to rotate, the lead screw 20 drives the corresponding limiting rod 18 to move, the limiting rod 18 slides out of the corresponding limiting groove 17, the fixed limit of the movable frame 5 can be cancelled, the movable frame 5 is moved, the movable frame 5 slides in the frame body 1, the distance between the plurality of movable frames 5 can be adjusted, the adjusting block 23 rotates reversely, the adjusting block 23 drives the lead screw 20 to rotate reversely, the lead screw 20 drives the corresponding limiting rod 18 to insert into the corresponding limiting groove 17, the position of the movable frame 5 can be fixed, the cryopreservation tube 10 can be conveniently extracted and stored, the placing requirements of various specifications can be adjusted, the cryopreservation tubes 10 of different models can be adapted, the heat insulation performance of the cryopreservation frame can be improved by the heat insulation plate 4, the frame body 1 and the plurality of movable frames 5 have strong adsorption capacity for liquid nitrogen, the square cryopreservation frame adsorbs a large amount of liquid nitrogen in the storage process of a liquid nitrogen tank, meanwhile, the filling material is extremely low, the temperature of the cryopreservation frame is always-196 ℃ and has no change after the actual measurement leaves the liquid nitrogen tank within 7 minutes, the temperature is kept at-192 ℃ after 10 minutes, the low-temperature keeping time is greatly prolonged, and the safety is improved.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Claims (8)
1. The square freezing storage rack for the liquid nitrogen biological container comprises a rack body (1) and is characterized in that a cover plate (2) is rotatably mounted on one side of the rack body (1), a lifting handle (3) is fixedly mounted at the top of the rack body (1), a heat insulation plate (4) is fixedly connected to the outer side of the rack body (1), a plurality of moving racks (5) are arranged in the rack body (1), a plurality of fixing grooves (6) are formed in the top of each moving rack (5), placing racks (7) are slidably mounted in the fixing grooves (6), mounting holes are formed in one sides of the placing racks (7), fixing rods (15) are fixedly mounted in the mounting holes, two ends of each fixing rod (15) are welded on the inner walls of two sides of each fixing groove (6) respectively, springs (16) are sleeved on the fixing rods (15), and a fixing seat (8) is fixedly mounted on one side of each placing rack (7), the top of each of the plurality of fixing seats (8) is provided with a fixing hole (9), each of the plurality of fixing holes (9) is movably provided with a freezing tube (10), the inner wall of one side of each of the plurality of fixing holes (9) is fixedly provided with a fixing arm (11), each fixing arm (11) is in contact with the corresponding freezing tube (10), the inner wall of one side of each of the plurality of fixing holes (9) is provided with a groove (25), each of the plurality of grooves (25) is slidably provided with a clamping arm (12), each clamping arm (12) is in contact with the corresponding freezing tube (10), the inner wall of one side of each of the plurality of grooves (25) is provided with a sliding hole, and each of the plurality of sliding holes is slidably provided with a screw (13), one end of each screw rod (13) is welded on the corresponding clamping arm (12), nuts (14) are installed on the screw rods (13) in a threaded mode, and the nuts (14) are installed on one side of the corresponding fixed seat (8) in a rotating mode.
2. The square cryopreservation frame for the liquid nitrogen biological container according to claim 1, wherein sliding grooves are formed in the inner walls of two sides of the groove (25), sliding blocks are fixedly mounted on two sides of the clamping arm (12), and the sliding blocks are slidably mounted in the corresponding sliding grooves.
3. The square cryopreservation frame for the liquid nitrogen biological container as claimed in claim 1, wherein the frame body (1) and the plurality of movable frames (5) are filled with glass fiber capillary materials.
4. The square cryopreservation frame for the liquid nitrogen biological container as claimed in claim 1, wherein one side of the fixed seat (8) is provided with an annular groove, one side of the nut (14) is fixedly provided with a moving block, and the moving block is slidably connected with the side wall of the annular groove.
5. The square freezing frame for the liquid nitrogen biological container according to claim 1, wherein the inner walls of the two sides of the frame body (1) are provided with limiting grooves (17), the two sides of the moving frame (5) are provided with moving grooves, limiting rods (18) are slidably mounted in the two moving grooves, and the limiting rods (18) are matched with the corresponding limiting grooves (17).
6. The square freezing rack for the liquid nitrogen biological container according to claim 5, wherein one end of each of the two limiting rods (18) close to each other is provided with a threaded groove, the inner wall of one side of each of the two moving grooves close to each other is provided with a connecting hole (19), two connecting blocks (21) are fixedly installed in the connecting holes (19), and one end of each of the two connecting blocks (21) is provided with a rotating hole.
7. The square cryopreservation frame for the liquid nitrogen biological container according to claim 6, wherein a screw rod (20) is rotatably mounted in each of the two rotating holes, one end of the screw rod (20) is in threaded mounting in the corresponding threaded groove, a first bevel gear (22) is fixedly mounted at one end of each of the two screw rods (20) close to each other, and a control hole is formed in the inner wall of the bottom of the connecting hole (19).
8. The square cryopreservation frame for the liquid nitrogen biological container as claimed in claim 7, wherein a control rod is rotatably mounted in the control hole, a second bevel gear (24) is fixedly mounted at the top end of the control rod, the two first bevel gears (22) are meshed with the second bevel gear (24), an adjusting block (23) is welded at the bottom end of the control rod, and the adjusting block (23) is rotatably mounted at the bottom of the movable frame (5).
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CN202010223392.3A CN113446804B (en) | 2020-03-26 | 2020-03-26 | Liquid nitrogen bio-container is with square frame of depositing that freezes |
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CN202010223392.3A CN113446804B (en) | 2020-03-26 | 2020-03-26 | Liquid nitrogen bio-container is with square frame of depositing that freezes |
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CN110157599A (en) * | 2019-07-10 | 2019-08-23 | 陕西中医药大学 | A kind of culture device of pilot scale culture umbilical cord mesenchymal stem cells |
CN110813161A (en) * | 2019-11-22 | 2020-02-21 | 牛永菡 | Blood routine examination test tube rocks device |
CN213800735U (en) * | 2020-11-07 | 2021-07-27 | 山东省张江生物工程有限公司 | Cryopreservation box for umbilical cord blood stem cell cryopreservation bag |
CN213756445U (en) * | 2020-12-11 | 2021-07-23 | 广东汉氏干细胞生物科技有限公司 | Immune cell product cryopreserving device |
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