CN109136090A - A kind of bioreactor - Google Patents
A kind of bioreactor Download PDFInfo
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- CN109136090A CN109136090A CN201810117422.5A CN201810117422A CN109136090A CN 109136090 A CN109136090 A CN 109136090A CN 201810117422 A CN201810117422 A CN 201810117422A CN 109136090 A CN109136090 A CN 109136090A
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- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000004113 cell culture Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 210000001519 tissue Anatomy 0.000 abstract description 79
- 210000004027 cell Anatomy 0.000 abstract description 15
- 230000008676 import Effects 0.000 abstract description 14
- 210000002381 plasma Anatomy 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 15
- 210000005229 liver cell Anatomy 0.000 description 11
- 210000004369 blood Anatomy 0.000 description 10
- 239000008280 blood Substances 0.000 description 10
- 238000000746 purification Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 210000004185 liver Anatomy 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000003494 hepatocyte Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010019663 Hepatic failure Diseases 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000035568 catharsis Effects 0.000 description 2
- 231100000283 hepatitis Toxicity 0.000 description 2
- 208000006454 hepatitis Diseases 0.000 description 2
- 230000028993 immune response Effects 0.000 description 2
- 231100000835 liver failure Toxicity 0.000 description 2
- 208000007903 liver failure Diseases 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 239000006285 cell suspension Substances 0.000 description 1
- 230000003833 cell viability Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
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- 230000002503 metabolic effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/12—Well or multiwell plates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1623—Disposition or location of membranes relative to fluids
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
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- Heart & Thoracic Surgery (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
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- Genetics & Genomics (AREA)
- Clinical Laboratory Science (AREA)
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- Anesthesiology (AREA)
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The present invention provides a kind of bioreactor, including shell, top cover and multiple tissue culture plates, and the shell has open upper end and closed lower end, and wherein lower end is provided with the import being in fluid communication with enclosure interior；The top cover covers the open upper end of shell and is provided with the outlet being in fluid communication with enclosure interior；The multiple tissue culture plate is separated from each other and is set in parallel inside housings, multiple apertures that each tissue culture plate is provided with centrally located through-hole and is distributed around the through-hole, and the through-hole formation central passage aligned with each other of multiple tissue culture plates.Bioreactor of the invention is more advantageous to blood plasma to be clean and spreads to tissue culture plate surrounding, carries out sufficient mass exchange with cell.
Description
Technical field
The present invention relates to medical instrument, especially a kind of bioreactor.
Background technique
Biological blood purification system is the Artificial Liver Support System closest with normal liver, by by hepatocyte cultures
Technology is combined with blood purification technology, can than more fully substitute liver detoxification, biosynthesis and secretion metabolism etc. functions,
It is expected to become the most innovative remedy measures with challenge of heavy type hepatitis, hepatic failure patients.
The basic principle of biological blood purification system is that the liver cell of in vitro culture proliferation is placed in special biological respinse
It is outer using hepatocytes secrete endogenous active substance and conversion by carrying out mass exchange and biological effect with liver cell in device
Source property toxin and play biological blood purification effect, wherein endogenous active substance includes various albumen, metabolic enzyme and activity
Factor etc..Bioreactor and liver cell are the cores of biological blood purification system, and performance is directly related to artificial liver
The efficiency and effect of support.
It studies at present and the bioreactor of application is mainly include the following types: (1) hollow-fiber bioreactor: hollow fibre
Dimension reactor has inner cavity and exocoel, and liver cell is often attached to the exocoel of doughnut, is selected according to the cell of separate sources
The biomembrane of suitable molecular cut off avoids that immune response caused by heterogenous cell product occurs, but liver cell is this
It is unevenly distributed in bioreactor, cell viability is easily caused to decline.(2) plate single layer bioreactor: being that cell seeding exists
It is cultivated on plate, its advantage is that cell distribution is uniform, microenvironment is consistent, but surface to volume ratio declines.(3) be perfused bed or
Bracket bioreactor: the bioreactor is planted in liver cell on perfusion bed or bracket, its advantage is that direct with cell
Contact, and the transhipment of substance is increased, also promote the formation of three-dimensional structure, while being also easy to expand cell-volume；The disadvantage is that
Perfusion is uneven, easily blocks.(4) be coated with suspended biological reactor: the bioreactor is to wrap up liver cell with material, is made
Then porous micro-capsule is irrigated culture.Its advantage is that all cells have identical microenvironment, there is the sky of a large amount of cell culture
Between, reduce the generation of immune response；The disadvantage is that cell stability is poor, mass exchange ability is limited.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention proposes a kind of anti-for the new bio in biological blood purification system
Answer device.
A kind of bioreactor, including shell, top cover and multiple tissue culture plates, in which:
The shell has open upper end and closed lower end, and wherein lower end is provided with and enclosure interior fluid communication
Import；
The top cover covers the open upper end of shell and is provided with the outlet being in fluid communication with enclosure interior；
The multiple tissue culture plate is separated from each other and is set in parallel inside housings, each tissue culture plate setting
The multiple apertures for having centrally located through-hole and being distributed around the through-hole, and the through-hole of multiple tissue culture plates is right each other
Standard forms channel.
Preferably, in bioreactor provided by the invention, near the through-hole envelope of the top cell culture plate of top cover
It closes, thus the upper end of sealed passage.
Preferably, in bioreactor provided by the invention, the through-hole has in the side of the tissue culture plate
First end, the surrounding of first end are provided with annular installation band, and annular installation takes setting from limit base of the annular installation with protrusion
Seat limits the buckle being arranged on pedestal from limit base projection；The through-hole has the in the other side of the tissue culture plate
Two ends, the surrounding of second end are provided with circular base, recessed buckle slot are provided on circular base.
In addition, in bioreactor provided by the invention, the buckle on the tissue culture plate is arranged in adjacent another
In buckle slot on one tissue culture plate, so that multiple tissue culture plates is separated from each other inside housings and connect in parallel
It is connected together.
By being as above arranged, in bioreactor of the invention, multiple tissue culture plates can pass through the center
Each component of through-hole surrounding setting is connected to each other, and is thus stacked inside housings, and multiple tissue culture plates is logical
Hole formation channel aligned with each other.
Preferably, in bioreactor provided by the invention, the limit pedestal and card of side on the tissue culture plate
Button with the buckle slot of the other side is that quantity is identical multiple, and multiple limit pedestals it is annular install take it is evenly spaced from one another
Distribution is opened, and correspondingly, the distribution evenly spaced from each other on circular base of multiple buckle slots.
In addition, the limit pedestal on tissue culture plate and the positive stop lug boss fitting on another adjacent tissue culture plate.
Preferably, positive stop lug boss is surrounded on tissue culture plate, is additionally provided with multiple notches.Notch may be used as liver cell
Suspension or blood plasma to be clean enter the channel on culture plate.Notch is, for example, the slit for surrounding positive stop lug boss.
Preferably, in bioreactor provided by the invention, multiple apertures of a tissue culture plate with it is adjacent another
Multiple apertures of one tissue culture plate are respectively aligned to form multiple peripheral channels.
By being as above arranged, in bioreactor of the invention, multiple tissue culture plates are stacked inside housings, by every
Through-hole at a tissue culture plate center forms channel, and channel extends along the vertical direction of bioreactor, but thin in top layer
It is closed at born of the same parents' culture plate.In addition, channel can be optionally vertically aligned with export and import.By the outer of keyhole formation
Zhou Tongdao extends along the vertical direction of bioreactor.Import, outlet, channel and peripheral channel are in fluid communication with each other.
Preferably, in bioreactor provided by the invention, the through-hole of each tissue culture plate is circle, the multiple
Aperture is relative to through-hole radial distribution on tissue culture plate, and multiple apertures are spaced apart each other with same distance, and formation is enclosed
Around one or more rings of through-hole.
Preferably, the tissue culture plate and the aperture are respectively circle.
Preferably, closest to the radius of the distance between the aperture of through-hole and through-hole (between the center of circle) and tissue culture plate
Than for 1:2~3, preferably 1:2.7.
Preferably, the ratio of the diameter of the diameter and through-hole of the aperture is 1:3~5, preferably 1:4；
Preferably, the ratio of the diameter of the diameter and tissue culture plate of the aperture is 1:80~100, preferably 1:90.7；
Preferably, the ratio of the diameter of the diameter and tissue culture plate of the through-hole is 1:20~30, preferably 1:22.7.
Specific embodiment according to the present invention, shell are cylindrical body, inside be stacked along the vertical direction 66 with a thickness of
The tissue culture plate of 1mm is linked together by 4 buckles of through-hole two sides and 4 buckle slots between each tissue culture plate,
Largest interval between flanking cell culture plate is 1mm；In addition, the diameter of each tissue culture plate is 136mm, the diameter of through-hole
For 6mm, the diameter of aperture is 1.5mm, is 25mm closest to the distance between the aperture of through-hole and through-hole, between adjacent apertures
Distance is 10mm；There are 112 apertures on each tissue culture plate.
Bioreactor in biological blood purification system is by the way that cultured liver cell is anti-to biology is entered in advance in it
Answer the blood plasma of device to play catharsis, the blood plasma usually from patients such as heavy type hepatitis, hepatic failures, to the blood of the patient into
It is obtained after row separation, the blood plasma after the catharsis of liver cell will be circulated back to patient's body.Compared with the existing technology, originally
The bioreactor of invention has the following characteristics that
First, the lower end of shell is arranged in import by bioreactor of the invention, so that blood plasma to be clean is from shell
Lower end enters inside reactor, while closing near the through-hole of the top cell culture plate of top cover, thus form from lower and
Upper and top closure blood plasma channel.It was found that being arranged in this way, the blood plasma to be clean flowed into from lower end import will be at top
Exit is obstructed, and can only ensure that cell by the gap between flanking cell culture plate towards culture board ends lateral flow
The liquid flowing of sheet separation is cultivated, shearing force is minimum, is conducive to convective exchange.
Second, be not directly anchored in bioreactor of the invention, between tissue culture plate in bioreactor or
In any part in it, but buckle and buckle slot are set in the through-hole surrounding of tissue culture plate, pass through buckle and buckle slot
Cooperation multiple tissue culture plates are connected and fixed to together.This set makes the installation of tissue culture plate more flexible,
And the quantity of bioreactor inner cell culture plate can be easily adjusted, and then adjust the actually active work of bioreactor
The effective exchange area of area, cell between carrying capacity, cell and the blood plasma to be clean on tissue culture plate；It reduces simultaneously simultaneously
The component of bioreactor is simplified, manufacturing cost is reduced.
Third, on the tissue culture plate of bioreactor of the present invention, by aperture be located in at a certain distance from through-hole
Except or, and radially distributed with the radial direction relative to through-hole；In other words, multiple aperture opposing through-bores, which form, encloses
Around the pattern of multiple rings of through-hole, and the ring near through-hole is increased using through-hole as the radius in the center of circle.It is arranged in this way, carefully
Liquid between born of the same parents' culture plate is easier to flow to both ends, is conducive to the convective exchange of blood plasma and liver cell to be clean.
Detailed description of the invention
Hereinafter, carrying out the embodiment that the present invention will be described in detail in conjunction with attached drawing, in which:
In the case of Fig. 1 is flanking cell culture plate spacing 0.5mm, top cell culture plate center is not provided with the biology of through-hole
Structure of reactor schematic diagram, wherein liquid is entered by lower end.
In the case of Fig. 2 is flanking cell culture plate spacing 0.5mm, bottom tissue culture plate center is not provided with the biology of through-hole
Reactor schematic diagram, wherein liquid is entered by upper end.
In the case of Fig. 3 is flanking cell culture plate spacing 2mm, the biology that top cell culture plate center is not provided with through-hole is anti-
Device schematic diagram is answered, wherein liquid is entered by lower end.
In the case of Fig. 4 is flanking cell culture plate spacing 2mm, the biology that bottom tissue culture plate center is not provided with through-hole is anti-
Device schematic diagram is answered, wherein liquid is entered by upper end.
Fig. 5 is the velocity field schematic diagram of calculation result of bioreactor construction shown in FIG. 1.
Fig. 6 is the velocity field schematic diagram of calculation result of bioreactor construction shown in Fig. 2.
Fig. 7 is the velocity field schematic diagram of calculation result of bioreactor construction shown in Fig. 3.
Fig. 8 is the velocity field schematic diagram of calculation result of bioreactor construction shown in Fig. 4.
Fig. 9 is speed field computation result schematic diagram when aperture is nearby arranged in through-hole at center on tissue culture plate.
Figure 10 is speed field computation result schematic diagram when a circle aperture is nearby arranged in through-hole less at center on tissue culture plate.
Figure 11 is inside bioreactor structural schematic diagram.
Figure 12 is bioreactor external structure schematic diagram.
Figure 13 is tissue culture plate schematic diagram.
Figure 14 is tissue culture plate side schematic diagram.
Figure 15 is tissue culture plate other side schematic diagram.
Specific embodiment
The present invention is described below with reference to specific embodiments.It will be appreciated by those skilled in the art that these embodiments are only
For illustrating the present invention, do not limit the scope of the invention in any way.
Experimental method in following embodiments is unless otherwise specified conventional method.Medicine as used in the following examples
Material raw material, reagent material etc. are commercially available products unless otherwise specified.
Embodiment 1The design of bioreactor of the invention
(1) entrance location, laminate spacing and flow field analysis
The top layer in bioreactor and the through-hole at bottom tissue culture plate center are closed respectively, do not allow liquid direct
It flows through, while tissue culture plate is arranged to two kinds of spacing of 0.5mm and 2mm respectively, investigate the mobility status of liquid.Each structure point
Not not as shown in Figures 1 to 4.
(1) bottom culture plate through-hole closing VS top layer culture plate through-hole closing
From the point of view of liquid mobility status, after the through-hole closing of bottom tissue culture plate, the liquid that upper end import flows into is most
Lower layer can force to flow to both ends, and then be further continued for vertical upflow by the aperture on bottom tissue culture plate, this
In the case of be equivalent to the approximate independent liquid of each aperture on bottom tissue culture plate and flow into entrance, provide vertically upward
Flowing, the liquid crossflow between all tissue culture plates in top in this way is dynamic very weak, lacks corresponding convective exchange.
In contrast, when top cell culture plate through-hole closing after, lower end import flow into liquid top exit by
Resistance can only laterally be flowed to both ends by gap layer by layer, ensure that the liquid flowing of cell culture sheet separation, be conducive to convection current friendship
It changes.
Therefore, bioreactor of the invention selection will be closed near the through-hole of the top cell culture plate of top cover, together
When import is set to the lower end of shell.
(2) 0.5mm spacing VS 2.0mm spacing
From the point of view of liquid mobility status, in the case that distance is big between flanking cell culture plate, in cell culture sheet separation
Liquid flows faster, but this can sacrifice the cell bearing capacity of package unit, need the spacing of tissue culture plate in the reactor
Suggest an equilibrium relation between the cell bearing capacity and cell of reactor and the mass exchange of blood to be clean.
Therefore, bioreactor of the invention selects to set 1.0mm for the spacing between flanking cell culture plate.
Velocity field calculated result is as shown in Fig. 5 to Fig. 8, and left side thermal map ruler units are m/s in each figure.
(2) aperture position and flow field analysis
On tissue culture plate, multi-turn aperture is set around through-hole, in the case where aperture and other settings all the same,
Investigate the mobility status of liquid when one circle aperture is set less around through-hole.
From the point of view of liquid mobility status, a liquid when collar aperture between tissue culture plate is easier to flow to both ends less, favorably
In convective exchange.As a result as shown in Figure 9 and Figure 10 respectively.
Embodiment 2Bioreactor of the invention
Figure 11 to Figure 15 is shown, a kind of bioreactor, including shell 1, top cover 2 and multiple tissue culture plates 6, shell 1
With open upper end and closed lower end, wherein lower end is provided with the import 3 with 1 internal fluid communication of shell, and top cover 2 covers
The open upper end of shell 1 and it is provided with outlet 4 with 1 internal fluid communication of shell, multiple tissue culture plates 6 are separated from each other
And be set in parallel inside shell 1, each tissue culture plate 6 is provided with centrally located through-hole 51 and divides around through-hole 51
Multiple apertures 61 of cloth, and the formation channel 5 aligned with each other of through-hole 51 of multiple tissue culture plates.
Through-hole 51 near the top cell culture plate 62 of top cover 2 is closed, thus the upper end of sealed passage 5.
Through-hole 51 has first end in the side of tissue culture plate 6, and the surrounding of first end is provided with annular installation band 601,
Limit pedestal 602 from 601 protrusion of annular installation band is set on annular installation band 601, limits and is arranged on pedestal 602 from limit base
The buckle 603 of 602 protrusion of seat；Through-hole 51 has second end in the other side of tissue culture plate 6, and the surrounding of second end is provided with ring
Shape pedestal 605 is provided with recessed buckle slot 606 on circular base 605.
The buckle slot 606 on another adjacent tissue culture plate 6 can be set in buckle 603 on tissue culture plate 6
It is interior, so that multiple tissue culture plates 6 is separated from each other inside shell 1 and is linked together in parallel.
The limit pedestal 602 of side and buckle 603 are identical for quantity as the buckle slot 606 of the other side on tissue culture plate 6
Multiple (being illustrated as 4), and multiple limit pedestals 602 each other annular installation band 601 on evenly-spaced distribution, and
Correspondingly, multiple buckle slots 606 distribution evenly spaced from each other on circular base 605.
Limit pedestal 602 on tissue culture plate 6 and the positive stop lug boss 605 on another adjacent tissue culture plate 6 paste
It closes.Positive stop lug boss 605 is surrounded on tissue culture plate 6, is additionally provided with multiple notches 52 (being illustrated as 4).
Multiple apertures 61 of multiple apertures 61 of one tissue culture plate 6 and another adjacent tissue culture plate 6 are distinguished
Alignment forms multiple peripheral channels 7.
By being as above arranged, in bioreactor of the invention, multiple tissue culture plates 6 are stacked in inside shell 1, by
Through-hole 51 at each 6 center of tissue culture plate forms channel 5, and channel 5 extends along the vertical direction of bioreactor, but
It is closed at top cell culture plate 62.In addition, channel 5 can be optionally vertically aligned with outlet 4 and import 3.By
The peripheral channel 7 that aperture 61 is formed extends along the vertical direction of bioreactor.Import 3, outlet 4, channel 5 and peripheral channel 7
It is in fluid communication with each other.
The through-hole 51 of each tissue culture plate 6 is circle, and multiple apertures 61 are on tissue culture plate 6 relative to 51 diameter of through-hole
It is spaced apart to distribution, and each other with same distance, forms the one or more rings (being illustrated as 4) for surrounding through-hole 51.
Also, shell 1 is cylindrical body, and inside has been stacked 66 with a thickness of the tissue culture plate 6 of 1mm, respectively along the vertical direction
It is linked together between a tissue culture plate 6 by the buckle 603 and buckle slot 606 of 51 two sides of through-hole, flanking cell culture plate 6
Between largest interval be 1mm；In addition, the diameter of each tissue culture plate 6 is 136mm, the diameter of through-hole 51 is 6mm, aperture
61 diameter is 1.5mm, is 25mm closest to the distance between the aperture 61 of through-hole 51 and through-hole 51, between adjacent apertures 61
Distance is 10mm；There are 112 apertures 61 on each tissue culture plate.
Embodiment 3The use of bioreactor of the invention
Using the bioreactor of embodiment 2.
The outlet 4 on top cover 2 is opened, hepatocyte suspension is inputted from the import 3 of 1 lower end of shell, is filled substantially with to suspension whole
After a bioreactor, import 3 is closed, 3-4 hour is stood, makes cell adherent growth in cell culture plate surface.
Bioreactor is connect by the other component of biological blood purification system with human body, blood plasma to be clean is started
Circulation.
Specific description of embodiments of the present invention above is not intended to limit the present invention, and those skilled in the art can be according to this
Invention is variously modified or deforms, and as long as it does not depart from the spirit of the invention, should belong to the model of appended claims of the present invention
It encloses.
Claims (10)
1. a kind of bioreactor, including shell, top cover and multiple tissue culture plates, which is characterized in that
The shell has open upper end and closed lower end, wherein lower end be provided with enclosure interior be in fluid communication into
Mouthful；
The top cover covers the open upper end of shell and is provided with the outlet being in fluid communication with enclosure interior；
The multiple tissue culture plate is separated from each other and is set in parallel inside housings, and each tissue culture plate is provided with position
Through-hole at center and multiple apertures around through-hole distribution, and the through-hole shape aligned with each other of multiple tissue culture plates
At central passage.
2. bioreactor according to claim 1, which is characterized in that near top cover top cell culture plate it is logical
Hole is closed, thus the upper end of sealed passage.
3. bioreactor according to claim 1 or 2, which is characterized in that the through-hole is in the tissue culture plate
Side has first end, and the surrounding of first end is provided with annular installation band, and annular installation takes setting and installs band protrusion from annular
Limit pedestal, limit pedestal on setting from limit base projection buckle；The through-hole is another the tissue culture plate
Side has second end, and the surrounding of second end is provided with circular base, recessed buckle slot is provided on circular base.
4. bioreactor according to any one of claim 1 to 3, which is characterized in that on the tissue culture plate
Buckle be arranged in the buckle slot on another adjacent tissue culture plate, thus make multiple tissue culture plates inside housings that
This is spaced apart and links together in parallel.
5. bioreactor according to any one of claim 1 to 4, which is characterized in that one on the tissue culture plate
The limit pedestal and buckle of side are that quantity is identical multiple, and multiple limit pedestals are installed in annular with the buckle slot of the other side
Distribution evenly spaced from each other is taken, and correspondingly, the distribution evenly spaced from each other on circular base of multiple buckle slots.
6. bioreactor according to any one of claim 1 to 5, which is characterized in that the limit on tissue culture plate
Positive stop lug boss fitting on pedestal and another adjacent tissue culture plate；
Preferably, positive stop lug boss is surrounded on tissue culture plate, is additionally provided with multiple notches.
7. bioreactor according to any one of claim 1 to 6, which is characterized in that tissue culture plate it is more
Multiple apertures of a aperture and another adjacent tissue culture plate are respectively aligned to form multiple peripheral channels.
8. bioreactor according to any one of claim 1 to 7, which is characterized in that each tissue culture plate leads to
Hole is circle, and the multiple aperture is relative to through-hole radial distribution on tissue culture plate, and multiple apertures are each other with identical
Distance interval is opened, and the one or more rings for surrounding through-hole are formed.
9. bioreactor according to any one of claim 1 to 8, which is characterized in that the tissue culture plate and institute
Stating aperture is respectively circle.
10. bioreactor according to any one of claim 1 to 9, which is characterized in that closest to through-hole aperture with
The ratio of the distance between through-hole and the radius of tissue culture plate is 1:2~3, preferably 1:2.7；
Preferably, the ratio of the diameter of the diameter and through-hole of the aperture is 1:3~5, preferably 1:4；
Preferably, the ratio of the diameter of the diameter and tissue culture plate of the aperture is 1:80~100, preferably 1:90.7；
Preferably, the ratio of the diameter of the diameter and tissue culture plate of the through-hole is 1:20~30, preferably 1:22.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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