CN211960725U - Umbilical cord mesenchymal stem cell is save set for separation - Google Patents
Umbilical cord mesenchymal stem cell is save set for separation Download PDFInfo
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- CN211960725U CN211960725U CN202020261035.1U CN202020261035U CN211960725U CN 211960725 U CN211960725 U CN 211960725U CN 202020261035 U CN202020261035 U CN 202020261035U CN 211960725 U CN211960725 U CN 211960725U
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Abstract
The utility model relates to a save set technical field just discloses a save set is used in separation of umbilical cord mesenchymal stem cell, including liquid nitrogen storage jar, annular spout has been seted up at the inboard top of liquid nitrogen storage jar, the blanking groove has all been seted up, two in both sides around the liquid nitrogen storage jar top the bottom in blanking groove all is linked together with annular spout, two regulation chambeies have been seted up in the liquid nitrogen storage jar. The utility model discloses a, can drive the regulation pole through rotatory dwang, and then control two supporting rods and be close to each other or keep away from, and two supporting rod relative one side fixed mounting have two grip blocks, and two relative one side centre grippings of grip block have freezing box body to thereby the accessible is opened sealed lid and is taken out liquid nitrogen storage jar freezing box body, and it is relatively convenient to make the switch that the device reached the end cover, and just freezing box get put relatively conveniently, avoids medical personnel's hand to be frostbitten advantage by the liquid nitrogen.
Description
Technical Field
The utility model relates to a save set technical field specifically is a save set is used in separation of umbilical cord mesenchymal stem cell.
Background
The mesenchymal stem cells are pluripotent stem cells derived from mesoderm and ectoderm in early development stage, and are mainly extracted from the thin belts of neonates, wherein the mesenchymal stem cells are mainly stored easily by liquid nitrogen biology, and the packed stem cells placed on a tray are placed in an environment with the temperature of minus one hundred degrees centigrade to achieve the purpose of long-term preservation.
For the convenience of access freezing box, jar body upper end installation end cover, can open the access that the end cover freezes the box as required, be convenient for add the liquid nitrogen simultaneously, in the prior art, need the manual work to open the end cover among the stem cell storage device, but because of the end cover is bulky, weight is big, the switch is inconvenient relatively, when taking the stem cell, need medical personnel to stretch into the liquid nitrogen storage tank with the hand and take out freezing box in, easily cause medical personnel hand ice-cold, the condition such as frostbite, for this reason we provide a preservation device for umbilical cord mesenchymal stem cell separation and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a save set is used in separation of umbilical cord mesenchymal stem cell, the switch that possesses the end cover is relatively convenient, and getting of freezing box is relatively convenient, avoid medical personnel's hand to be advantage such as liquid nitrogen frostbite, solved because of the end cover is bulky, heavy, the switch is inconvenient relatively, when taking the stem cell, need medical personnel to stretch into the hand and take out freezing box in the liquid nitrogen storage tank simultaneously, easily cause the problem that medical personnel's hand is ice-cold, frostbite etc.
(II) technical scheme
For the switch of realizing above-mentioned end cover is convenient relatively, and freezing taking of box is convenient relatively, avoids medical personnel's hand to be wounded by the liquid nitrogen frostbite's purpose, the utility model provides a following technical scheme: a preservation device for separating umbilical cord mesenchymal stem cells comprises a liquid nitrogen storage tank, wherein an annular sliding groove is formed in the top of the inner side of the liquid nitrogen storage tank, a lower falling groove is formed in each of the front side and the rear side of the top of the liquid nitrogen storage tank, the bottoms of the two lower falling grooves are communicated with the annular sliding groove, two adjusting cavities are formed in the liquid nitrogen storage tank and are respectively located on the left side and the right side of the annular sliding groove, elastic springs are fixedly mounted in the two adjusting cavities, positioning insertion rods are fixedly connected to the opposite sides of the two elastic springs and are respectively connected to the two adjusting cavities in a sliding manner, a sealing cover is arranged at the top of the liquid nitrogen storage tank, a sealing block is fixedly mounted at the bottom of the sealing cover, the bottom of the sealing block extends and contacts with the inside of the liquid nitrogen storage tank, and positioning blocks are fixedly mounted on the left side and, one sides of the two positioning blocks facing back are provided with positioning slots, one sides of the two positioning insertion rods opposite to each other penetrate through and extend into the positioning slots respectively, and the bottom of the sealing block is provided with an adjusting sliding groove;
the inside of adjusting the spout is rotated and is connected with the regulation pole, the surface cover of adjusting the pole is equipped with rather than fixed connection's first meshing gear, the top of sealed lid is rotated and is connected with the dwang, the bottom of dwang is run through to the inside and the fixed mounting that adjust the spout have second meshing gear, the bottom and the first meshing gear meshing of second meshing gear, the cover is equipped with the supporting rod rather than threaded connection on the regulation pole, the bottom of supporting rod extends to the bottom of adjusting the spout, four the top of supporting rod all with adjust spout sliding connection, two the equal fixed mounting in one side that the supporting rod is relative has two grip blocks, two the centre gripping has freezing box body between the grip block.
Preferably, the bottom of the sealing cover is fixedly provided with an annular sealing ring, and the bottom of the annular sealing ring is in contact with the top of the liquid nitrogen storage tank.
Preferably, one side of each of the two positioning insertion rods opposite to each other is arc-shaped, and a shaft seal is fixedly arranged at the joint of the rotating rod and the sealing cover and the sealing block.
Preferably, the top fixed mounting of dwang has the rotation handle, the cover is equipped with the protection pad on rotating the handle.
Preferably, adjust the pole and include the connecting rod, the connecting rod rotates to be connected in the inside of adjusting the spout, the cover is equipped with the screwed pipe rather than fixed connection on the connecting rod, the cover is equipped with two supporting rods rather than threaded connection on the screwed pipe, the surface of connecting rod is located to first meshing gear cover.
Preferably, the diameter of the second meshing gear is larger than that of the first meshing gear, and a lifting handle is fixedly mounted at the top of the sealing cover.
(III) advantageous effects
Compared with the prior art, the utility model provides a save set is used in separation of umbilical cord mesenchymal stem cell possesses following beneficial effect:
1. the preservation device for separating the umbilical cord mesenchymal stem cells is characterized in that an annular sliding groove is formed in the top of the inner side of a liquid nitrogen storage tank, a falling groove is formed in the front and the back of the top of the liquid nitrogen storage tank, a sealing cover is in contact with the top of the liquid nitrogen storage tank, a sealing block is fixedly installed at the bottom of the sealing cover and is matched with the sealing block to seal the liquid nitrogen storage tank, positioning blocks are installed on the left side and the right side of the sealing block, the positioning blocks are placed into the annular sliding groove from the falling groove, then the sealing cover is rotated to drive the positioning blocks to rotate, two adjusting cavities are formed in the liquid nitrogen storage tank, an elastic spring is fixedly installed in the two adjusting cavities, a positioning insertion rod is installed on one side opposite to the elastic spring, one side opposite to the positioning insertion rod extends into the annular sliding groove, the positioning insertion rod extends to the inside of the positioning slot, so that the switch of the sealing cover is relatively convenient, the bottom of the sealing block is provided with an adjusting chute, the inside of the adjusting chute is rotatably connected with an adjusting rod, the adjusting rod is sleeved and slidably connected with two clamping rods, the bottom ends of the two clamping rods extend to the bottom of the adjusting chute, so that the two clamping rods can be controlled to be close to or away from each other when the adjusting rod rotates, the right end of the adjusting rod is sleeved with a first meshing gear fixedly connected with the adjusting rod, the top of the sealing cover is rotatably connected with a rotating rod, the bottom end of the rotating rod penetrates to the bottom of the adjusting chute and is fixedly provided with a second meshing gear, the bottom of the second meshing gear is meshed with the first meshing gear, so that the adjusting rod can be driven by rotating the rotating rod, the two clamping rods are further controlled to be close to or away from each other, the one side centre gripping that two relative grip blocks are relative has freezing box body to thereby the accessible is opened sealed lid and is taken out liquid nitrogen storage jar freezing box body, and it is relatively convenient to make the device reach the switch of end cover, and just freezing taking and putting of box is relatively convenient, avoids medical personnel's hand to be frostbitten by the liquid nitrogen advantage.
2. This save set is used in separation of umbilical cord mesenchymal stem cell installs ring type seal through the bottom at sealed lid, has increased the sealing capacity of sealed lid to liquid nitrogen storage jar, makes the sealed effect of device better relatively, and then has increased the save ability of device.
3. This save set is used in separation of navel cord mesenchymal stem cell is the arc form through setting up two relative one sides of location inserted bar for the location inserted bar is changeed the card and is gone into the inside of positioning slot, has reduced the operation degree of difficulty of device, and the dwang has the bearing seal with the junction fixed mounting who has sealed lid and sealed piece, and wet dwang is relatively stable when rotating, and the difficult production of junction is revealed, has increased the stability of device.
4. This save set is used in separation of umbilical cord mesenchymal stem cell has the rotation handle through the top fixed mounting at the dwang for the user can grip the rotatory dwang of rotation handle, thereby has reduced the operation degree of difficulty of device, and rotates and overlap on the handle and be equipped with the protection and fill up, makes the user when gripping the rotation handle, and the protection is filled up and is protected the difficult fraying of hand, has increased the practicality of device.
5. This save set is used in separation of umbilical cord mesenchymal stem cell is connected with the connecting rod through the inside rotation of adjusting the spout, and the cover is established by the screwed pipe rather than fixed connection on the connecting rod, makes the connecting rod when rotating, and the screwed pipe drives two holding rods and shifts on the screwed pipe, has increased the stability of device.
6. This save set is used in separation of navel cord mesenchymal stem cell is greater than first meshing gear through the diameter that sets up second meshing gear, makes the rotation of adjusting the pole faster relatively, has reduced the operation degree of difficulty of device, and the top of sealed lid is installed and is carried the handle for the user's accessible grips and carries the handle, rotates sealed lid and breaks away from liquid nitrogen storage jar, has reduced the operation degree of difficulty of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of the structure of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion B of the structure of FIG. 1 according to the present invention;
figure 4 is the utility model discloses liquid nitrogen storage jar and whereabouts groove connection structure schematic overlook cross-sectional view.
The reference numbers in the figures illustrate:
1. a liquid nitrogen storage tank; 2. an annular chute; 3. a dropping groove is formed; 4. an adjustment chamber; 5. an elastic spring; 6. positioning the inserted rod; 7. a sealing cover; 8. a sealing block; 9. positioning blocks; 10. positioning the slot; 11. adjusting the sliding chute; 12. adjusting a rod; 121. a connecting rod; 122. a threaded pipe; 13. a first meshing gear; 14. rotating the rod; 15. a second meshing gear; 16. a clamping rod; 17. a clamping block; 18. a freezing box body; 19. rotating the handle; 20. lifting the handle; 21. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a preservation device for umbilical cord mesenchymal stem cell separation comprises a liquid nitrogen storage tank 1, wherein an annular chute 2 is formed at the top of the inner side of the liquid nitrogen storage tank 1, lower grooves 3 are formed in the front side and the rear side of the top of the liquid nitrogen storage tank 1, the bottoms of the two lower grooves 3 are communicated with the annular chute 2, two adjusting cavities 4 are formed in the liquid nitrogen storage tank 1, the two adjusting cavities 4 are respectively positioned at the left side and the right side of the annular chute 2, elastic springs 5 are fixedly arranged in the two adjusting cavities 4, positioning insertion rods 6 are fixedly connected to the opposite sides of the two elastic springs 5, the two positioning insertion rods 6 are respectively and slidably connected to the inner parts of the two adjusting cavities 4, a sealing cover 7 is arranged at the top of the liquid nitrogen storage tank 1, a sealing block 8 is fixedly arranged at the bottom of the sealing cover 7, the bottom of the, positioning blocks 9 are fixedly mounted on the left side and the right side of the sealing block 8, positioning slots 10 are formed in back sides of the two positioning blocks 9, opposite sides of the two positioning insertion rods 6 penetrate through and extend into the positioning slots 10 respectively, and adjusting sliding grooves 11 are formed in the bottom of the sealing block 8;
an adjusting rod 12 is rotatably connected inside the adjusting chute 11, a first meshing gear 13 fixedly connected with the adjusting rod 12 is sleeved on the surface of the adjusting rod 12, a rotating rod 14 is rotatably connected to the top of the sealing cover 7, the bottom end of the rotating rod 14 penetrates into the adjusting chute 11 and is fixedly provided with a second meshing gear 15, the bottom of the second meshing gear 15 is meshed with the first meshing gear 13, a clamping rod 16 in threaded connection with the adjusting rod 12 is sleeved on the adjusting rod 12, the bottom of the clamping rod 16 extends to the bottom of the adjusting chute 11, the tops of the two clamping rods 16 are both in sliding connection with the adjusting chute 11, two clamping blocks 17 are fixedly arranged on one sides opposite to the two clamping rods 16, a freezing box body 18 is clamped between the two clamping blocks 17, an annular chute 2 is arranged at the top inside the liquid nitrogen storage tank 1, and a lower chute 3 is arranged on the front side and the back side of the, the top of the liquid nitrogen storage tank 1 is contacted with a sealing cover 7, the bottom of the sealing cover 7 is fixedly provided with a sealing block 8, the sealing cover 7 is matched with the sealing block 8 to seal the liquid nitrogen storage tank 1, the left side and the right side of the sealing block 8 are respectively provided with a positioning block 9, the positioning blocks 9 are placed into the annular chute 2 through the falling chute 3, then the positioning blocks 9 are driven to rotate by rotating the sealing cover 7, two adjusting cavities 4 are formed in the liquid nitrogen storage tank 1, elastic springs 5 are fixedly arranged in the two adjusting cavities 4, one sides, opposite to the elastic springs 5, are provided with positioning insertion rods 6, one sides, opposite to the positioning insertion rods 6, extend into the annular chute 2, and one sides, opposite to the two positioning blocks 9, are provided with positioning insertion slots 10, so that the positioning insertion rods 6 extend into the positioning insertion slots 10 by rotating the positioning blocks, the bottom of the sealing block 8 is provided with an adjusting chute 11, the inside of the adjusting chute 11 is rotatably connected with an adjusting rod 12, the adjusting rod 12 is sleeved and slidably connected with two clamping rods 16, the bottom ends of the two clamping rods 16 extend to the bottom of the adjusting chute 11, so that the two clamping rods 16 can be controlled to be close to or away from each other when the adjusting rod 12 rotates in an ultraviolet mode, the right end of the adjusting rod 12 is sleeved with a first meshing gear 13 fixedly connected with the adjusting rod, the top of the sealing cover 7 is rotatably connected with a rotating rod 14, the bottom end of the rotating rod 14 penetrates to the bottom of the adjusting chute 11 and is fixedly provided with a second meshing gear 15, the bottom of the second meshing gear 15 is meshed with the first meshing gear 13, so that the adjusting rod 12 can be driven by rotating the rotating rod 14, the two clamping rods 16 are further controlled to be close to or away from each other, and two clamping, the one side centre gripping that two relative grip blocks 17 are relative has freezing box body 18 to thereby the accessible is opened sealed lid 7 and is taken freezing box body 18 out liquid nitrogen storage jar 1, and it is relatively convenient to make the device reach the switch of end cover, and just freezing taking and putting of box is relatively convenient, avoids medical personnel's hand to be frostbitten by the liquid nitrogen advantage.
Further, the bottom fixed mounting of sealed lid 7 has ring packing 21, and ring packing 21's bottom and the top contact of liquid nitrogen storage jar 1 have increased the sealing ability of sealed lid 7 to liquid nitrogen storage jar 1 through installing ring packing 21 in the bottom of sealed lid 7, make the sealed effect of device better relatively, and then have increased the retention capacity of device.
Further, one side that two location inserted bars 6 are relative all is the arc form, dwang 14 and the junction fixed mounting who has sealed lid 7 and sealed piece 8 have the bearing seal, be the arc form through setting up one side that two location inserted bars 6 are relative, make location inserted bar 6 change the inside of card income location slot 10, the operation degree of difficulty of device has been reduced, and dwang 14 and the junction fixed mounting who has sealed lid 7 and sealed piece 8 have the bearing seal, wet dwang 14 is relatively stable when rotating, and the difficult production of junction is revealed, the stability of device has been increased.
Further, the top fixed mounting of dwang 14 has the rotation handle 19, rotates and overlaps on the handle 19 to be equipped with the protection and fills up, has the rotation handle 19 through the top fixed mounting at dwang 14 for the user can grip the rotatory dwang 14 of rotation handle 19, thereby has reduced the operation degree of difficulty of device, and rotates and overlap on the handle 19 to be equipped with the protection and fill up, makes the user when holding the rotation handle 19, and the protection fills up the difficult abrasiveness of protection hand, has increased the practicality of device.
Further, adjust pole 12 and include connecting rod 121, connecting rod 121 rotates to be connected in the inside of adjusting spout 11, the cover is equipped with screwed pipe 122 rather than fixed connection on connecting rod 121, the cover is equipped with two holding rod 16 rather than threaded connection on screwed pipe 122, the surface of connecting rod 121 is located to first meshing gear 13 cover, be connected with connecting rod 121 through the inside rotation at adjusting spout 11, and the cover is established by screwed pipe 122 rather than fixed connection on connecting rod 121, make connecting rod 121 when rotating, screwed pipe 122 drives two holding rod 16 and shifts on screwed pipe 122, the stability of device has been increased.
Furthermore, the diameter of the second meshing gear 15 is larger than that of the first meshing gear 13, the top of the sealing cover 7 is fixedly provided with a lifting handle 20, the diameter of the second meshing gear 15 is larger than that of the first meshing gear 13, so that the adjusting rod 12 rotates relatively faster, the operation difficulty of the device is reduced, the top of the sealing cover 7 is provided with the lifting handle 20, a user can hold the lifting handle 20, the sealing cover 7 is rotated to be separated from the liquid nitrogen storage tank 1, and the operation difficulty of the device is reduced.
The working principle is as follows: by arranging the annular chute 2 at the top of the inner side of the liquid nitrogen storage tank 1, the front and the back of the top of the liquid nitrogen storage tank 1 are both provided with the falling groove 3, the top of the liquid nitrogen storage tank 1 is contacted with the sealing cover 7, the bottom of the sealing cover 7 is fixedly provided with the sealing block 8, the sealing cover 7 is matched with the sealing block 8 to seal the liquid nitrogen storage tank 1, the left side and the right side of the sealing block 8 are both provided with the positioning blocks 9, the positioning blocks 9 are placed into the annular chute 2 through the falling groove 3, then the positioning blocks 9 are driven to rotate by rotating the sealing cover 7, two adjusting cavities 4 are arranged in the liquid nitrogen storage tank 1, the elastic springs 5 are fixedly arranged in the two adjusting cavities 4, one opposite sides of the elastic springs 5 are provided with the positioning insertion rods 6, one opposite sides of the positioning insertion rods 6 extend into the, thereby, the positioning insertion rod 6 is extended to the inside of the positioning slot 10 by rotating the positioning block 9, and the switch of the sealing cover 7 is relatively facilitated, the adjusting chute 11 is opened at the bottom of the sealing block 8, the adjusting rod 12 is rotatably connected to the inside of the adjusting chute 11, the two clamping rods 16 are sleeved and slidably connected to the adjusting rod 12, the bottom ends of the two clamping rods 16 are extended to the bottom of the adjusting chute 11, so that the two clamping rods 16 can be controlled to approach or separate from each other when the adjusting rod 12 rotates, the right end of the adjusting rod 12 is sleeved with a first engaging gear 13 fixedly connected thereto, the top of the sealing cover 7 is rotatably connected with a rotating rod 14, the bottom end of the rotating rod 14 penetrates to the bottom of the adjusting chute 11 and is fixedly provided with a second engaging gear 15, the bottom of the second engaging gear 15 is engaged with the first engaging gear 13, so that the adjusting rod 12 can be driven by, and then control two supporting rods 16 and be close to each other or keep away from, and two supporting rods 16 relative one side fixed mounting have two grip blocks 17, the relative one side centre gripping of two relative grip blocks 17 has freezing box body 18, thereby the accessible is opened sealed lid 7 and is taken freezing box body 18 out liquid nitrogen storage jar 1, it is relatively convenient to make the switch that the device reaches the end cover, and the getting of freezing box is put relatively conveniently, avoid medical personnel's hand by the advantage of liquid nitrogen frostbite, it is bulky because of the end cover to have solved, heavy in weight, the switch is inconvenient relatively, when taking the stem cell simultaneously, it takes out freezing box to need medical personnel to stretch into in liquid nitrogen storage jar 1 with the hand, easily cause medical personnel's hand ice-cold, the problem of frostbite etc.
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 (6)
1. The utility model provides a save set is used in separation of umbilical cord mesenchymal stem cell, includes liquid nitrogen storage jar (1), its characterized in that: the top of the inner side of the liquid nitrogen storage tank (1) is provided with an annular chute (2), the front side and the rear side of the top of the liquid nitrogen storage tank (1) are provided with two dropping grooves (3), the bottoms of the two dropping grooves (3) are communicated with the annular chute (2), the liquid nitrogen storage tank (1) is internally provided with two adjusting cavities (4), the two adjusting cavities (4) are respectively positioned at the left side and the right side of the annular chute (2), the inner parts of the two adjusting cavities (4) are fixedly provided with elastic springs (5), one opposite sides of the two elastic springs (5) are fixedly connected with positioning insertion rods (6), the two positioning insertion rods (6) are respectively connected in the two adjusting cavities (4) in a sliding manner, the top of the liquid nitrogen storage tank (1) is provided with a sealing cover (7), and the bottom of the sealing cover (7) is fixedly provided with a sealing block (, the bottom of the sealing block (8) extends and is in contact with the inside of the liquid nitrogen storage tank (1), positioning blocks (9) are fixedly mounted on the left side and the right side of the sealing block (8), positioning slots (10) are formed in the back sides of the two positioning blocks (9), one sides, opposite to the two positioning insertion rods (6), penetrate through and extend to the inside of the positioning slots (10), and an adjusting sliding groove (11) is formed in the bottom of the sealing block (8);
an adjusting rod (12) is rotatably connected inside the adjusting chute (11), a first meshing gear (13) fixedly connected with the adjusting rod (12) is sleeved on the surface of the adjusting rod (12), the top of the sealing cover (7) is rotatably connected with a rotating rod (14), the bottom end of the rotating rod (14) penetrates into the adjusting chute (11) and is fixedly provided with a second meshing gear (15), the bottom of the second meshing gear (15) is meshed with the first meshing gear (13), a clamping rod (16) in threaded connection with the adjusting rod (12) is sleeved on the adjusting rod, the bottom of supporting rod (16) extends to the bottom of adjusting spout (11), two the top of supporting rod (16) all with adjust spout (11) sliding connection, two the equal fixed mounting in one side that supporting rod (16) is relative has two grip blocks (17), two the centre gripping has freezing box body (18) between grip block (17).
2. The preservation device for umbilical cord mesenchymal stem cell isolation according to claim 1, wherein: the bottom fixed mounting of sealed lid (7) has ring packing (21), the top contact of the bottom of ring packing (21) and liquid nitrogen storage jar (1).
3. The preservation device for umbilical cord mesenchymal stem cell isolation according to claim 1, wherein: one side opposite to the two positioning insertion rods (6) is arc-shaped, and a shaft seal is fixedly arranged at the joint of the rotating rod (14) and the sealing cover (7) and the sealing block (8).
4. The preservation device for umbilical cord mesenchymal stem cell isolation according to claim 1, wherein: the top fixed mounting of dwang (14) has rotation handle (19), it is equipped with the protection pad to rotate to overlap on handle (19).
5. The preservation device for umbilical cord mesenchymal stem cell isolation according to claim 1, wherein: adjust pole (12) including connecting rod (121), connecting rod (121) rotate to be connected in the inside of adjusting spout (11), the cover is equipped with screwed pipe (122) rather than fixed connection on connecting rod (121), the cover is equipped with two supporting rods (16) rather than threaded connection on screwed pipe (122), the surface of connecting rod (121) is located to first meshing gear (13) cover.
6. The preservation device for umbilical cord mesenchymal stem cell isolation according to claim 1, wherein: the diameter of the second meshing gear (15) is larger than that of the first meshing gear (13), and a lifting handle (20) is fixedly mounted at the top of the sealing cover (7).
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