CN115636271B - Biological enzyme adding device for preparing artificial intervertebral disc based on chitosan - Google Patents
Biological enzyme adding device for preparing artificial intervertebral disc based on chitosan Download PDFInfo
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- CN115636271B CN115636271B CN202211237209.0A CN202211237209A CN115636271B CN 115636271 B CN115636271 B CN 115636271B CN 202211237209 A CN202211237209 A CN 202211237209A CN 115636271 B CN115636271 B CN 115636271B
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- 102000004190 Enzymes Human genes 0.000 title claims abstract description 37
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 37
- 229920001661 Chitosan Polymers 0.000 title claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 13
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The application relates to a biological enzyme adding device for preparing an artificial intervertebral disc based on chitosan, which belongs to the technical field of artificial intervertebral discs and comprises a lifting component and an adding component fixed on the lifting component, wherein the lifting component comprises a stand column, a chute is formed in one side wall of the stand column along the vertical direction, a screw rod is connected in a rotating manner in the chute, a screw rod nut seat is also connected in a sliding manner in the chute, the screw rod nut seat is in threaded connection with the screw rod, the adding component comprises a feeding bin, a bolt of the feeding bin is fixed on the outer wall of the screw rod nut seat, the bottom of the feeding bin is connected with a discharging pipe in a conducting manner, and the bottom end of the discharging pipe is connected with a dispersing discharging bin in a conducting manner.
Description
Technical Field
The application relates to a biological enzyme adding device for preparing an artificial intervertebral disc based on chitosan, and belongs to the technical field of artificial intervertebral discs.
Background
The artificial intervertebral disc replacement (total disc replacement TDR) is a new method for treating the degenerative diseases of the lumbar intervertebral disc, and is clinically applied in the 80 th century. It not only cuts off the pathological intervertebral disc, but also recovers the stability and activity function of the segment, and can theoretically avoid the adjacent segment degeneration acceleration caused by lumbar fusion, and the artificial intervertebral disc replacement operation is introduced in about 2003 in China, mainly using imported products, wherein the maximum number of cases for implanting Bryan artificial intervertebral disc prosthesis, and other artificial intervertebral discs such as Link SB Charit I-II type, etc., and 1000 artificial intervertebral disc replacement operation cases are accumulated.
The existing biological enzyme adding device based on chitosan preparation artificial intervertebral disc adopts the blanking hopper to add more, because biological enzyme is mostly powdery, dust air is easy to generate, and secondly biological enzyme is easy to generate a caking and agglomeration structure due to extrusion or wetting in the transportation and storage process, and the existing adding device does not have a crushing and dispersing structure, so that the blanking is uneven, and the mixing efficiency of the biological enzyme and the preparation raw materials is affected.
Disclosure of Invention
In order to solve the problems, the application provides a biological enzyme adding device for preparing an artificial intervertebral disc based on chitosan.
(II) technical scheme
In order to achieve the aim of the application, the application provides a biological enzyme adding device for preparing an artificial intervertebral disc based on chitosan, which comprises a lifting component and an adding component fixed on the lifting component;
the lifting assembly comprises a stand column, a chute is formed in one side wall of the stand column along the vertical direction, a screw rod is rotationally connected in the chute, a screw rod nut seat is also slidingly connected in the chute, and the screw rod nut seat is in threaded connection with the screw rod;
the feeding assembly comprises a feeding bin, the feeding bin is fixed on the outer wall of the screw nut seat through bolts, a discharging pipe is connected to the bottom of the feeding bin in a conducting mode, a dispersing discharging bin is connected to the bottom end of the discharging pipe in a conducting mode, and a hollowed-out discharging plate is fixed to the bottom of the dispersing discharging bin through bolts;
the screw bolt is fixed with driving motor in the top center department of reinforced storehouse, driving motor's output shaft passes through shaft coupling fixedly connected with rotation axis, the bottom of rotation axis extends to in the dispersion goes out the feed bin, be provided with first crushing mechanism in the material adding bin, be provided with second crushing mechanism in the dispersion goes out the feed bin, be provided with spiral conveying leaf on the outer wall that lies in the rotation axis in the unloading pipe, the cover is established on the outer wall of unloading pipe and is fixed with the sealed cowling, the top that adds the feed bin lies in driving motor's outside and switches on and be connected with the inlet pipe.
Wherein, first crushing mechanism is including welding the crushing dish of rotation axis outer wall, crushing dish is located in the reinforced storehouse, be provided with first crushing tooth on the outer wall of crushing dish, be provided with the second crushing tooth that cooperation first crushing tooth used on the inner wall of reinforced storehouse.
The second crushing and dispersing mechanism comprises a crushing and dispersing rod, the bottom end of the rotating shaft is provided with the crushing and dispersing rod, the upper surface of the hollow discharging plate is provided with fixed crushing teeth matched with the crushing and dispersing rod for use, and the hollow discharging plate is provided with a discharging hole.
The sealing cover is characterized in that a circular hole matched with the blanking pipe is formed in the center of the top of the sealing cover, a sealing ring is embedded in the lower surface of the sealing cover, and an annular hole is formed in the sealing ring.
The screw motor is fixed to the top end of the upright post through a bolt, and an output shaft of the screw motor is fixedly connected with the screw through a coupler.
The cross section of the sliding groove is of a convex structure.
The rotary disk is fixed on the lower surface of the base through bolts and is connected to the mounting seat through a rotary shaft in a rotary mode.
(III) beneficial effects
The biological enzyme adding device for preparing the artificial intervertebral disc based on the chitosan has the beneficial effects that:
according to the bio-enzyme adding device for preparing the artificial intervertebral disc based on chitosan, the lifting assembly drives the adding assembly to adjust the height, so that when bio-enzyme is added, the bio-enzyme adding device can be matched with a sealing cover arranged on a discharging pipe to seal an opening of a preparation tank, and dust and air emission pollution caused by powdery bio-enzyme is prevented;
according to the bio-enzyme adding device for preparing the artificial intervertebral disc based on chitosan, the first crushing mechanism is arranged in the feeding bin, the second crushing and dispersing mechanism is arranged in the dispersing discharging bin, the crushed bio-enzyme can be subjected to secondary crushing, the crushed bio-enzyme is uniformly discharged through the hollowed discharging disc, the uniformity of mixing the bio-enzyme with raw materials is improved, the driving motor is further singly arranged, the first crushing mechanism and the second crushing and dispersing mechanism can be synchronously driven to work, the cost is reduced, the spiral conveying blade is matched with the rotating shaft, and can be synchronously driven to work when the driving motor drives the rotating shaft to rotate, the spiral conveying blade can be used for conveying the bio-enzyme, and the blanking pipe is prevented from being blocked.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a biological enzyme adding device for preparing an artificial intervertebral disc based on chitosan.
Fig. 2 is a sectional view of a bio-enzyme adding device for preparing an artificial intervertebral disc based on chitosan, which is provided by the application.
Fig. 3 is a schematic diagram of a connection structure between a screw nut seat and a screw in the present application.
Fig. 4 is a schematic structural view of a second pulverizing and dispersing mechanism in the present application.
Fig. 5 is a schematic structural view of a rotating shaft according to the present application.
Fig. 6 is a schematic structural view of a base in the present application.
FIG. 7 is a schematic cross-sectional view of a seal housing in accordance with the present application.
Fig. 8 is a cross-sectional view of a seal ring in accordance with the present application.
Fig. 9 is a cross-sectional view of a dispensing cartridge in accordance with the present application.
Legend description:
1. a base; 2. a bar-shaped fixing hole; 1001. a rotating disc; 1002. a mounting base; 1003. a rotating shaft; 3. a column; 4. a chute; 5. a screw rod; 6. a lead screw motor; 7. a screw nut seat; 8. a feeding bin; 9. discharging pipes; 10. a sealing cover; 101. a circular hole; 102. a seal ring; 103. an annular hole; 11. dispersing and discharging the materials out of the storage bin; 110. hollowed-out discharging plate; 12. a driving motor; 13. a rotation shaft; 14. a shredder plate; 15. a first crushing tooth; 16. a second crushing tooth; 17. spiral conveying leaves; 18. a feed pipe; 19. crushing the dispersing rod; 20. fixing crushing teeth; 21. and (5) a blanking hole.
Detailed Description
The following detailed description of specific embodiments of the application is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present application and are not intended to limit the scope of the application.
Referring to fig. 1 to 9, a bio-enzyme adding device for preparing an artificial intervertebral disc based on chitosan comprises a lifting assembly and an adding assembly fixed on the lifting assembly;
the lifting assembly comprises a stand column 3, a chute 4 is formed in one side wall of the stand column 3 along the vertical direction, a screw rod 5 is rotationally connected in the chute 4, a screw rod nut seat 7 is also slidingly connected in the chute 4, the screw rod nut seat 7 is in threaded connection with the screw rod 5, and the cross section of the chute 4 is of a convex structure;
the adding component comprises a feeding bin 8, the feeding bin 8 is fixed on the outer wall of the screw nut seat 7 through bolts, a discharging pipe 9 is connected to the bottom of the feeding bin 8 in a conducting manner, a dispersing discharging bin 11 is connected to the bottom end of the discharging pipe 9 in a conducting manner, and a hollowed-out discharging plate 110 is fixed to the bottom of the dispersing discharging bin 11 through bolts;
a driving motor 12 is fixed at the center of the top of the feeding bin 8 through a bolt, an output shaft of the driving motor 12 is fixedly connected with a rotating shaft 13 through a coupler, the bottom end of the rotating shaft 13 extends into a dispersing discharging bin 11, a first crushing mechanism is arranged in the feeding bin 8, and a second crushing and dispersing mechanism is arranged in the dispersing discharging bin 11;
the screw conveying blades 17 are arranged on the outer wall of the rotary shaft 13 in the blanking pipe 9, and the screw conveying blades 17 are arranged, so that when the rotary shaft 13 rotates, the screw conveying blades 17 are driven to work to convey biological enzymes, the blanking pipe 9 is prevented from being blocked, the sealing cover 10 is sleeved and fixed on the outer wall of the blanking pipe 9, and the top of the feeding bin 8 is positioned on the outer side of the driving motor 12 and is connected with the feeding pipe 18 in a conducting mode.
During the use, drive through lifting unit and add the subassembly and carry out altitude mixture control, the regulation mode is, through control lead screw 5 rotation, lead screw 5 rotation drives lead screw nut seat 7 and reciprocates at stand 3, adjust the height of adding the subassembly, make unloading pipe 9 and dispersion play feed bin 11 move down to the preparation jar in, seal the opening of preparation jar through the sealed cowling 10 that the cooperation set up, then alright carry out the interpolation of bio-enzyme, add bio-enzyme in to reinforced storehouse 8 through inlet pipe 18 during the interpolation, open driving motor 12 simultaneously, driving motor 12 drives rotation axis 13 rotation, bio-enzyme drops in the reinforced storehouse 8, drive first crushing mechanism through rotation axis 13 smashes bio-enzyme, then enter into dispersion play feed bin 11 through unloading pipe 9 in, smash the dispersion mechanism through the second that sets up in the dispersion play feed bin 11 and carry out secondary crushing, then disperse and discharge through fretwork flitch 110 evenly, improve its unloading dispersed homogeneity.
The first crushing mechanism comprises a crushing disc 14 welded on the outer wall of the rotary shaft 13, the crushing disc 14 is positioned in the feeding bin 8, first crushing teeth 15 are arranged on the outer wall of the crushing disc 14, and second crushing teeth 16 matched with the first crushing teeth 15 are arranged on the inner wall of the feeding bin 8.
The working mode of the first crushing mechanism is that the driving motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the crushing disc 14 to rotate, biological enzymes in the feeding bin 8 fall onto the crushing disc 14, the crushing disc 14 drives the first crushing teeth 15 to rotate, the first crushing teeth 15 are matched with the second crushing teeth 16 to primarily crush the biological enzymes, and the crushed biological enzymes fall into the dispersing discharging bin 11 through the discharging pipe 9.
The second crushing and dispersing mechanism comprises a crushing and dispersing rod 19, the crushing and dispersing rod 19 is arranged at the bottom end of the rotary shaft 13, fixed crushing teeth 20 matched with the crushing and dispersing rod 19 for use are arranged on the upper surface of the hollow discharging plate 110, and blanking holes 21 are formed in the hollow discharging plate 110.
The working mode of the second crushing and dispersing mechanism is that the driving motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the crushing and dispersing rod 19 to rotate, the crushing and dispersing rod 19 is matched with the fixed crushing teeth 20 to further crush the biological enzyme, and the crushing and dispersing rod 19 scrapes and disperses the biological enzyme falling into the dispersing discharging bin 11, so that the biological enzyme falling into the dispersing discharging bin 11 is uniformly discharged through the hollow discharging plate 110, the discharging is more uniform, and the problems that the traditional adoption of stranding discharging is solved, the biological enzyme is easy to mix unevenly and the mixing efficiency is poor are solved.
A circular hole 101 matched with the blanking pipe 9 is formed in the center of the top of the sealing cover 10, a sealing ring 102 is embedded in the lower surface of the sealing cover 10, and an annular hole 103 is formed in the sealing ring 102.
During the use, lifting assembly drives the interpolation subassembly and moves down for sealed cowling 10 cover is outside of preparing jar, seals the preparation jar through sealed cowling 10, when conveniently adding, produces dust air pollution environment, through the setting of sealing washer 102, improves the leakproofness that sealed cowling 10 contacted with the preparation jar, and cooperates annular hole 103's setting, has improved the deformation scope of sealing washer 102, makes it possess certain buffering shock attenuation ability, the impact force of buffering sealed cowling 10 and preparation jar contact.
A screw motor 6 is fixed at the top end of the upright post 3 through bolts, and an output shaft of the screw motor 6 is fixedly connected with a screw 5 through a coupler.
Specifically, the lead screw motor 6 is used for driving the lead screw 5 to rotate, and the lead screw motor 6 drives the lead screw 5 to rotate, so that the lead screw nut seat 7 is driven to move up and down on the lead screw 5, and the height of the adding component can be adjusted through the up and down movement of the lead screw nut seat 7.
The bottom welding of stand 3 has base 1, and bar fixed orifices 2 have been seted up to the outside that base 1 upper surface is located stand 3, and the lower surface bolt fastening of base 1 has rotary disk 1001, and rotary disk 1001 passes through pivot 1003 rotation to be connected on mount pad 1002.
Specifically, fix base 1 on rotary disk 1001, rotary disk 1001 rotates through pivot 1003 to be connected on mount pad 1002, through the rotation of rotary disk 1001, can carry out the position control of horizontal direction to stand 3, thereby can carry out the position control of horizontal direction to the interpolation subassembly that sets up on stand 3, make when interpolation subassembly not using, rotatable outside, reduce the influence of interpolation subassembly to the manual intervertebral disc work of preparation based on chitosan, the last threaded connection of pivot 1003 has stop nut, screw up stop nut and carry out spacing fixedly to rotary disk 1001, make rotary disk 1001 unable rotation.
Specifically, the biological enzyme adding device for preparing the artificial intervertebral disc based on chitosan is characterized in that when in work/use: the lifting assembly drives the adding assembly to adjust the height, the adjusting mode is that the screw 5 is controlled to rotate, the screw 5 rotates to drive the screw nut seat 7 to move up and down on the upright post 3, the height of the adding assembly is adjusted, the blanking pipe 9 and the dispersing discharging bin 11 move down into the preparation tank, the opening of the preparation tank is sealed through the sealing cover 10 matched with the setting, then the adding of the biological enzyme can be carried out, the biological enzyme is added into the feeding bin 8 through the feeding pipe 18 during the adding, meanwhile, the driving motor 12 is opened, the driving motor 12 drives the rotating shaft 13 to rotate, the biological enzyme falls into the feeding bin 8, the first crushing mechanism is driven by the rotating shaft 13 to crush the biological enzyme, then the biological enzyme enters into the dispersing discharging bin 11 through the blanking pipe 9, the biological enzyme is crushed secondarily through the second crushing and dispersing mechanism arranged in the dispersing discharging bin 11, and then the biological enzyme is dispersed and is uniformly discharged through the hollow discharging plate 110.
The above embodiments are only for illustrating the present application, and are not limiting of the present application. While the application has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and substitutions can be made thereto without departing from the spirit and scope of the application as defined in the appended claims.
Claims (1)
1. A biological enzyme adding device for preparing artificial intervertebral discs based on chitosan is characterized in that: the device comprises a lifting assembly and an adding assembly fixed on the lifting assembly;
the lifting assembly comprises a stand column (3), a chute (4) is formed in one side wall of the stand column (3) along the vertical direction, a screw rod (5) is rotationally connected in the chute (4), a screw rod nut seat (7) is also slidingly connected in the chute (4), and the screw rod nut seat (7) is in threaded connection with the screw rod (5);
the feeding assembly comprises a feeding bin (8), the feeding bin (8) is fixed on the outer wall of a screw nut seat (7) through bolts, a discharging pipe (9) is connected to the bottom of the feeding bin (8) in a conducting mode, a dispersing discharging bin (11) is connected to the bottom of the discharging pipe (9) in a conducting mode, and a hollowed discharging plate (110) is fixed to the bottom of the dispersing discharging bin (11) through bolts;
the feeding bin is characterized in that a driving motor (12) is fixedly arranged at the center of the top of the feeding bin (8) through a bolt, an output shaft of the driving motor (12) is fixedly connected with a rotating shaft (13) through a coupling, the bottom end of the rotating shaft (13) extends into the dispersing discharging bin (11), a first pulverizing mechanism is arranged in the feeding bin (8), a second pulverizing and dispersing mechanism is arranged in the dispersing discharging bin (11), a spiral conveying blade (17) is arranged on the outer wall of the rotating shaft (13) in the discharging pipe (9), a sealing cover (10) is sleeved and fixed on the outer wall of the discharging pipe (9), and a feeding pipe (18) is connected to the outer side of the driving motor (12) in a conducting mode at the top of the feeding bin (8).
The first crushing mechanism comprises a crushing disc (14) welded on the outer wall of the rotating shaft (13), the crushing disc (14) is positioned in the feeding bin (8), first crushing teeth (15) are arranged on the outer wall of the crushing disc (14), and second crushing teeth (16) matched with the first crushing teeth (15) are arranged on the inner wall of the feeding bin (8);
the second crushing and dispersing mechanism comprises a crushing and dispersing rod (19), the bottom end of the rotating shaft (13) is provided with the crushing and dispersing rod (19), the upper surface of the hollowed-out discharging plate (110) is provided with fixed crushing teeth (20) matched with the crushing and dispersing rod (19) for use, and the hollowed-out discharging plate (110) is provided with a discharging hole (21);
a circular hole (101) matched with the blanking pipe (9) is formed in the center of the top of the sealing cover (10), a sealing ring (102) is embedded in the lower surface of the sealing cover (10), and an annular hole (103) is formed in the sealing ring (102);
a screw motor (6) is fixed at the top end of the upright post (3) through a bolt, and an output shaft of the screw motor (6) is fixedly connected with a screw (5) through a coupler;
the bottom of the upright post (3) is welded with a base (1), and a strip-shaped fixing hole (2) is formed in the outer side of the upright post (3) on the upper surface of the base (1);
the cross section of the sliding groove (4) is of a convex structure;
a rotary disk (1001) is fixed on the lower surface of the base (1) through bolts, and the rotary disk (1001) is rotationally connected to the mounting seat (1002) through a rotary shaft (1003);
the screw rod (5) is controlled to rotate, the screw rod (5) rotates to drive the screw rod nut seat (7) to move up and down along the upright post (3), the height of the adding component is adjusted, the blanking pipe (9) and the dispersing discharging bin (11) move down into the preparation tank, the opening of the preparation tank is sealed through the sealing cover (10) which is matched with the blanking pipe, the biological enzyme is added into the feeding bin (8) through the feeding pipe (18), the driving motor (12) is opened at the same time, the driving motor (12) drives the rotating shaft (13) to rotate, the biological enzyme falls into the feeding bin (8), the first crushing mechanism is driven by the rotating shaft (13) to crush the biological enzyme, the blanking pipe (9) enters into the dispersing discharging bin (11), the biological enzyme is crushed for the second time through the second crushing dispersing mechanism which is arranged in the dispersing discharging bin (11), and the biological enzyme is dispersed and uniformly discharged through the hollow discharging plate (110);
the driving motor (12) drives the rotating shaft (13) to rotate, the rotating shaft (13) drives the crushing and dispersing rod (19) to rotate, the crushing and dispersing rod (19) is matched with the fixed crushing teeth (20) when rotating to further crush the biological enzyme, and the crushing and dispersing rod (19) scrapes and disperses the biological enzyme falling into the dispersing discharging bin (11), so that the biological enzyme falling into the dispersing discharging bin (11) is uniformly discharged through the hollow discharging plate (110);
the base (1) is fixed on the rotary disc (1001), the rotary disc (1001) is rotationally connected on the mounting seat (1002) through the rotary shaft (1003), the position of the vertical column (3) is adjusted in the horizontal direction through the rotation of the rotary disc (1001), so that the position of the adding component arranged on the vertical column (3) can be adjusted in the horizontal direction, the adding component can be rotated to the outer side when not used, the upper thread of the rotary shaft (1003) is connected with a limit nut, the limit nut is screwed to limit and fix the rotary disc (1001), and the rotary disc (1001) cannot rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211237209.0A CN115636271B (en) | 2022-10-08 | 2022-10-08 | Biological enzyme adding device for preparing artificial intervertebral disc based on chitosan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211237209.0A CN115636271B (en) | 2022-10-08 | 2022-10-08 | Biological enzyme adding device for preparing artificial intervertebral disc based on chitosan |
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| Publication Number | Publication Date |
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| CN115636271A CN115636271A (en) | 2023-01-24 |
| CN115636271B true CN115636271B (en) | 2023-11-24 |
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| CN202211237209.0A Active CN115636271B (en) | 2022-10-08 | 2022-10-08 | Biological enzyme adding device for preparing artificial intervertebral disc based on chitosan |
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| CN211988413U (en) * | 2020-02-06 | 2020-11-24 | 吴慧华 | Civil engineering material promotes stoving unloading efficiency agitating unit |
| CN217478553U (en) * | 2022-03-30 | 2022-09-23 | 恩施州八方野茶业有限公司 | Device for adding tea making auxiliary materials |
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2022
- 2022-10-08 CN CN202211237209.0A patent/CN115636271B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144265A (en) * | 2003-11-12 | 2005-06-09 | Ueno Tekkusu Kk | Crusher |
| CN107282259A (en) * | 2017-07-17 | 2017-10-24 | 邹铁梅 | A kind of glass rubbish classification grinding equipment |
| CN108435349A (en) * | 2018-03-31 | 2018-08-24 | 成都人人揭网络科技有限公司 | A kind of equipment of grinding Chinese medicine |
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| CN211444247U (en) * | 2019-11-30 | 2020-09-08 | 沈良 | Concrete unloader |
| CN211988413U (en) * | 2020-02-06 | 2020-11-24 | 吴慧华 | Civil engineering material promotes stoving unloading efficiency agitating unit |
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| CN115636271A (en) | 2023-01-24 |
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