CN107043701A - A kind of cell expansion system for improving cell inoculation dispersiveness - Google Patents

A kind of cell expansion system for improving cell inoculation dispersiveness Download PDF

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Publication number
CN107043701A
CN107043701A CN201710385825.3A CN201710385825A CN107043701A CN 107043701 A CN107043701 A CN 107043701A CN 201710385825 A CN201710385825 A CN 201710385825A CN 107043701 A CN107043701 A CN 107043701A
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cell
reactor
motor
expansion system
nutrition
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于净
王维军
周飞彪
李朝辉
曾亦达
杨红磊
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Aoki (suzhou) Biotechnology Co Ltd
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Aoki (suzhou) Biotechnology Co Ltd
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    • C12MAPPARATUS 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
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/10Rotating vessel
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    • C12MAPPARATUS 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
    • C12M23/00Constructional details, e.g. recesses, hinges
    • C12M23/48Holding appliances; Racks; Supports
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M25/00Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
    • C12M25/10Hollow fibers or tubes
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M29/00Means for introduction, extraction or recirculation of materials, e.g. pumps
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/14Incubators; Climatic chambers

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Abstract

Embodiments of the invention provide a kind of cell expansion system for improving cell inoculation dispersiveness, are related to technical field of cell culture.Cell can be uniformly distributed, prevent cell contacts suppression.A kind of cell expansion system for improving cell inoculation dispersiveness, including nutrition liquid supplying device and incubator, cell reactor and motor are provided with the incubator, the nutrition liquid supplying device is connected with the cell reactor, so that nutrient input is delivered in the cell reactor, the motor is fixedly connected with the incubator, and the cell reactor is connected with the motor, and the motor can drive the cell reactor to rotate.The present invention is used for cell culture.

Description

A kind of cell expansion system for improving cell inoculation dispersiveness
Technical field
The present invention relates to technical field of cell culture, more particularly to a kind of cell amplification system for improving cell inoculation dispersiveness System.
Background technology
Cell culture refers to all in vitro cultures, and its implication refers to take out tissue in driven thing or body, passes through machinery Method or the method for enzymic digestion tissue is separated into unicellular, allow its specific conditions in vitro of physiological environment etc. in analogue body Lower progress incubation culture, is allowed to survive and grows.In order that cell can smooth growth, often need detection cell cultivation process in The growing environment of cell.
The mode of existing cell culture supplying nutrition liquid is generally:Cell is inoculated in reactor by pipeline, then Nutrient solution is provided by conveyance conduit for cell or tissue to grow for it.This training method is compared cell being seeded in culture dish In mode, the input of nutrient solution continually, the more conducively growth of cell.Therefore, in large batch of cell culture, gradually Start to use.
But, the scheme being inoculated in cell in reactor of prior art, due to by Pipeline transport inoculating cell, carefully Tended to collect in when born of the same parents are inoculated in cell reactor together, so, in follow-up cell cultivation process, between cell mutually Often contact inhibition phenomenon occurs in contact.Contact inhibition, when referring to the cell of multicellular organism carrying out in vitro culture, disperses patch The cell of wall growth once mutually converges contact, and then stops mobile and growth phenomenon.Once cells contacting occur suppresses existing As the yield and effect of cell culture will be largely effected on.
The content of the invention
Embodiments of the invention provide a kind of cell expansion system for improving cell inoculation dispersiveness, cell can be made uniformly to divide Cloth, and prevent cell contacts suppression.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that:
A kind of cell expansion system for improving cell inoculation dispersiveness, including nutrition liquid supplying device and incubator, it is described Cell reactor and motor are provided with incubator, the nutrition liquid supplying device is connected with the cell reactor, will Nutrient input is delivered in the cell reactor, and the motor is fixedly connected with the incubator, the cell reactor It is connected with the motor, the motor can drive the cell reactor to rotate.
Further, the cell reactor is connected by fixed structure with the output shaft of the motor, described to drive Dynamic motor can drive the fixed structure to rotate, to drive the cell reactor to rotate.
Further, the cell reactor is cylinder-like structure, one end of the cell reactor and the driving electricity The output shaft connection of machine, the other end is rotatably connected with the incubator, and the motor can drive the cell reactor Rotated around its center axis.
Further, the fixed structure includes first clamping plate and second clamping plate, the first clamping plate and second folder Plate fastens and can grip the cell reactor, and the first clamping plate is provided with and is connected with the output shaft of the motor Connecting shaft.
Further, the cell reactor is cylinder-like structure, and the fixed structure is by the cell reactor Portion is fixed.
Preferably, the angle that the motor can drive the cell reactor to rotate is 0~180 degree.
Preferably, the motor is stepper motor.
Further, nutrition sap cavity and cell growth chamber, the nutrition are divided into by filter membrane in the cell reactor Sap cavity offers nutrient input entrance and nutrient input outlet, the nutrient input entrance of the nutrition sap cavity and the nutrition sap cavity Nutrient input outlet connected with the nutrition liquid supplying device, make the nutrition liquid supplying device and the nutrition sap cavity shape Into nutrient solution circulation canal, nutrient solution circulating pump is provided with the nutrient solution circulation canal.
Further, the filter membrane is hollow fiber conduit, and the nutrition sap cavity is the inner space of the hollow fiber conduit, The cell growth chamber is the exterior space of the hollow fiber conduit.
Further, the cell growth chamber is communicated with cell harvestor, and the cell growth chamber and the cell are collected Pipeline between device is connected with cell delivery pump.
The cell expansion system provided in an embodiment of the present invention for improving cell inoculation dispersiveness, including nutrition liquid supplying device And incubator, will for ensureing to be provided with cell reactor and motor in the environment temperature required for cell growth, incubator Cell is inoculated in cell reactor, is connected by nutrition liquid supplying device with cell reactor, can deliver to nutrient input carefully In born of the same parents' reactor, grown for cell.Motor is fixedly connected with incubator, and cell reactor is passed with the motor Dynamic connection, motor can drive cell reactor to rotate, so, when cell is inoculated with, and drive cell anti-by motor Answer device to rotate, inoculating cell can be made to be evenly distributed in cell reactor, and in cell cultivation process, pass through cell effect The rotation of device, can disturb the nutrient solution and cell in cell reactor, cell is uniformly distributed in cell reactor, to prevent Only cell contacts suppression.Meanwhile, the rotation of cell reactor can promote cell fully to be contacted with nutrient solution, more added with Beneficial to the growth of cell.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described.It should be evident that drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is inoculated with the structural representation of the cell expansion system of dispersiveness for the raising cell of the embodiment of the present invention;
Fig. 2 is inoculated with the cell reactor of dispersed cell expansion system around fixation for the cell that improves of the embodiment of the present invention The structural representation that structure is rotated;
Fig. 3 is inoculated with the cell reactor of dispersed cell expansion system around wherein for the cell that improves of the embodiment of the present invention The structural representation that heart axis is rotated;
Fig. 4 shows for the structure of the fixed structure of the cell expansion system of the raising cell inoculation dispersiveness of the embodiment of the present invention It is intended to;
Fig. 5 is inoculated with the cell reactor of dispersed cell expansion system around one for the cell that improves of the embodiment of the present invention Hold the structural representation rotated;
Fig. 6 is inoculated with the structure of the cell reactor of the cell expansion system of dispersiveness for the raising cell of the embodiment of the present invention Schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ", The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;It is right For one of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiments of the invention provide a kind of cell expansion system for improving cell inoculation dispersiveness, as shown in Figure 1, Figure 2 and Fig. 3 It is shown, including nutrition liquid supplying device 1 and incubator 2, incubator 2 is interior to be provided with cell reactor 3 and motor 4 (Fig. 1 and figure Not shown in 2), nutrition liquid supplying device 1 is connected with cell reactor 3, and nutrient input is delivered in cell reactor 3, is driven Dynamic motor 4 is fixedly connected with incubator 2, and cell reactor 3 is connected with motor 4, and motor 4 can drive cell anti- Device 3 is answered to rotate.
The cell expansion system provided in an embodiment of the present invention for improving cell inoculation dispersiveness, including nutrition liquid supplying device 1 and incubator 2, for ensureing in the environment temperature required for cell growth, incubator 2 provided with cell reactor 3 and driving electricity Machine 4, cell is inoculated in cell reactor 3, is connected by nutrition liquid supplying device 1 with cell reactor 3, can be by nutrient solution It is delivered in cell reactor 3, is grown for cell.Motor 4 is fixedly connected with incubator 2, and cell reactor 3 is with driving Dynamic motor 4 is connected, and motor 4 can drive cell reactor 3 to rotate, so, when cell is inoculated with, pass through motor 4 driving cell reactors 3 are rotated, and inoculating cell can be made to be evenly distributed in cell reactor 3, and in cell cultivation process In, by the rotation of cell reactor 3, the nutrient solution and cell in cell reactor 3 can be disturbed, makes cell in cell effect It is uniformly distributed in device 3, to prevent cell contacts suppression.Meanwhile, the rotation of cell reactor 3 can promote cell and battalion Nutrient solution is fully contacted, advantageously in the growth of cell.
It should be noted that nutrition liquid supplying device 1 only needs to ensure the normal supply of nutrient solution, such as such as Fig. 1 It is shown for standing reservoir bag 11, standing reservoir bag 11 is connected with cell reactor 3, with supplying nutrition liquid.Certainly, in order to The temperature of nutrient solution is buffered, surge flask can also be increased, in order in advance mix gas with nutrient solution, to adjust the acid of nutrient solution Basicity and dissolved oxygen amount, can also increase gas dissolver etc., not extend herein.
Embodiment one
As shown in Fig. 2 cell reactor 3 is connected by fixed structure 6 and the output shaft of the (not shown) of motor 4 Connect, motor 4 can drive fixed structure 6 to rotate, to drive cell reactor 3 to rotate.Cell grows in cell reactor 3 During, by motor 4 fixed structure 6 can be driven to rotate, to drive cell reactor 3 to rotate, cell can be disturbed anti- The nutrient solution and cell in device 3 are answered, cell is uniformly distributed in reactor, to prevent cell contacts suppression.Together When, the rotation of cell reactor 3 can promote cell fully to be contacted with nutrient solution, advantageously in the growth of cell.
It should be noted that motor 4 not shown in Fig. 2, motor 4 is mountable to fixed structure 6 and incubator 2 Between wall, the back side of incubator 2 can also be arranged on.
Fixed structure 6 only needs to fix cell reactor 3, then is connected by fixed structure 6 with motor 4, you can Realize that the driving cell reactor 3 of motor 4 is rotated.As shown in figure 4, fixed structure 6 includes first clamping plate 61 and second clamping plate 62, first clamping plate 61 and second clamping plate 62 are fastened and can grip cell reactor 3, and first clamping plate 61 is provided with and driving electricity The connecting shaft 63 of the output shaft connection of machine 4.
For the rotation of the growth of adaptation cell, and cell reactor 3, cell reactor 3 can be cylinder-like structure.Driving The driving fixed structure 6 of motor 4 is rotated with cell reactor 3, i.e. the position of the fixation of fixed structure 6 cell reactor 3 is determined The rotary motion trace of cell reactor 3.Because cell reactor 3 is cylinder-like structure, the rotation of cell reactor 3 can be such as figure Being rotated around its middle part shown in 2 or the position around its one end as shown in Figure 5 are rotated.For comparing, cell effect In the scheme that device 3 is rotated around its middle part, two parts rotate up and down in cell reactor 3 angle and speed almost symmetry, i.e. right The disturbance of cell and nutrient solution in cell reactor 3 is more balanced.In addition, fixed structure 6 is used as fixed cell reactor 3 The strong point, two parts keep balancing to the centrifugal force of fixed structure 6 above and below it when cell reactor 3 is rotated, and consolidate fixed structure 6 It is scheduled on better reliability during 3 middle part of cell reactor.Therefore, reference picture 2, cell reactor 3 is cylinder-like structure, fixed knot Structure 6 fixes the middle part of cell reactor 3, so, and motor 4 can drive cell reactor 3 to be rotated around its middle part.
Because cell reactor 3 needs connection nutrition liquid supplying device 1, to convey nutrient solution, generally, the conveying of nutrient solution Connection flexible pipe is needed to use, so, the cell reactor 3 for being connected with flexible pipe is limited by flexible pipe, can only be rotated a certain angle. By actual verification, motor 4 can drive cell reactor 3 to be 0~180 degree around the angle that fixed structure 6 is rotated, in not shadow Ring on cell reactor 3 under the premise of the mechanical property of connection flexible pipe, it is ensured that to the inner cell of cell reactor 3 and nutrient solution Disturbance, prevents cells contacting suppression.
Because the rotatable angle of cell reactor 3 is preferably 0~180 degree, it is therefore preferable that motor is stepping electricity Machine.Stepper motor can be very good to meet the 0~180 degree of rotation of cell reactor 3, and stable, may be programmed, adjustable speed.
General, during cell culture, nutrient solution is passed through in cell culture apparatus, through that after a period of time, will give up Liquid is discharged, and adds fresh nutrient solution.But, this mode causes the waste of nutrient solution, and is unfavorable for keeping cell life The stabilization of dis environment.Therefore, as shown in fig. 6, being divided into nutrition sap cavity 32 and cell growth by filter membrane 31 in cell reactor 3 Chamber 33, nutrition sap cavity 32 offers nutrient input entrance 321 and nutrient input outlet 322, the nutrient infusion of nutrition sap cavity 32 Mouthfuls 321 and the nutrient input outlet 322 of nutrition sap cavity 32 connected with nutrition liquid supplying device 1, make nutrition liquid supplying device 1 with Nutrient solution circulating pump 5 is provided with the formation nutrient solution circulation canal of nutrition sap cavity 32, nutrient solution circulation canal.So, in nutrition In the presence of liquid circulating pump 5, nutrient solution is in nutrient solution circulation canal internal circulation flow.Filter membrane 31 can allow in nutrition sap cavity 32 Nutrient solution passes through, and prevents the cell in cell growth chamber 33 from passing through, and then the more fresh nutrient solution in nutrition sap cavity 32 Nutrition can be carried out with the nutrient solution in cell growth chamber 33 to exchange, fresh Nutrient is provided for cell.Nutrition in nutrition sap cavity 32 After liquid is exchanged with the nutrient solution progress part in cell growth chamber 33, continue in nutrient solution circulation canal internal circulation flow, take out of The waste gas that cell growth is produced, dissolves in fresh oxygen, and then recycles nutrient solution, saves resource, can keep cells survival ring The stabilization in border.
It should be noted that the nutrient solution in nutrition sap cavity 32 can be swapped with the nutrient solution in cell growth chamber 33, It is to be carried out based on the pressure differential in nutrition sap cavity 32 and cell growth chamber 33, i.e. the nutrient solution in cell growth chamber 33 When not enough, the pressure in nutrition sap cavity 32 is more than the pressure in cell growth chamber 33, now, and the nutrient solution in nutrition sap cavity 32 leads to Filter membrane 31 enters in cell growth chamber 33, for cell growth;When the cell quantity in cell growth chamber 33 increases, and new old generation When thanking to thing aggregation, the pressure in nutrition sap cavity 32 is less than the pressure in cell growth chamber 33, now, thin in cell growth chamber 33 Born of the same parents' metabolism thing and outmoded nutrient solution are entered in nutrition sap cavity 32 by filter membrane 31, are then arranged by nutrient solution circulation canal Go out or recycle.Therefore, during cell growth, the rotation of the driving cell reactor 3 of motor 4 not only can be to prevent The phenomenon that only cells contacting suppresses, can also adjust the pressure differential of nutrition sap cavity 32 and cell growth chamber 33, and then accelerate nutrition The nutrient solution of sap cavity 32 and cell growth chamber 33 is exchanged, and more promotes the growth of cell.
Reference picture 6, filter membrane 31 can be hollow fiber conduit, must because nutrient solution constantly flows in nutrient solution circulation canal Larger impact is so produced to filter membrane 31, and hollow fiber conduit has the characteristic of self-supporting, can guarantee that nutrient solution enters with cell On the premise of exchange is supported at field headquarters, ability is well adapted to because the impact of flowing generation has to nutrient solution.Therefore, filter membrane 31 is adopted Use hollow fiber conduit.After hollow fiber conduit is employed, nutrition sap cavity 32 and cell growth chamber 33 can flexibly be set as needed Put, for example, nutrition sap cavity 32 is the inner space of hollow fiber conduit, cell growth chamber 33 is the exterior space of hollow fiber conduit. Or, nutrition sap cavity 32 is the exterior space of hollow fiber conduit, and cell growth chamber 33 is the inner space of hollow fiber conduit.
It should be noted that hollow fiber conduit can be a hollow fiber conduit or many hollow fiber conduits.Its In, the interior or exterior space of many hollow fiber conduits compares the interior or exterior space of single hollow fiber conduit, and surface area is bigger, namely nutrient solution Contact surface area it is bigger, and then nutrient solution in nutrition sap cavity 32 can fully connect with the cell in cell growth chamber 33 Touch, the exchange of nutrition is more efficient, accordingly, it is preferred that setting many hollow fiber conduits.
It is general, it is necessary to cell culture apparatus is removed, it is necessary to which cell is collected after cell culture terminates, then will be thin Born of the same parents are collected into the container specified.But this manually-operated scheme is not enough facilitated, and pollution easily is produced to cell.Therefore, As shown in figure 1, cell growth chamber 33 is communicated with cell harvestor 7, the pipeline between cell growth chamber 33 and cell harvestor 7 connects It is connected to cell delivery pump 8.So, can be very easily defeated by cell by opening cell delivery pump 8 when needing to collect cell Deliver in cell harvestor 7, it is to avoid the pollution that artificial operation may be brought, and easy to operate, collection efficiency is high.Meanwhile, carefully The control that born of the same parents' delivery pump 8 passes through rotating, it is possible to achieve cell is is collected in a direction, and another direction is inoculating cell.
It should be noted that because the inwall that cell is easily gathered in cell growth chamber 33 during growth (works as nutrition Sap cavity 32 is the inner space of hollow fiber conduit, and cell growth chamber 33 is the exterior space of hollow fiber conduit, and cell is easily gathered in The outer wall of hollow fiber conduit;When the exterior space that nutrition sap cavity 32 is hollow fiber conduit, cell growth chamber 33 is hollow fiber conduit Inner space, cell is easily gathered in the inwall of hollow fiber conduit), may collect cell not complete enough, in cell reactor 3 It is interior to produce certain residual.Therefore, when cell collects preceding and collection, it is necessary to take off the inwall of cell and cell growth chamber 33 From, by motor 4 cell reactor 3 can be driven to rotate, be uniformly distributed the cell for being gathered in the inwall of cell growth chamber 33, And then the inwall of cell and cell growth chamber 33 departs from, and is easy to cell to collect, and reduces cell residue.Certainly, for suspension cell Disengaging can be directly rotated, and attached cell needs first enzyme-added reaction to be rotated further by departing from.
Embodiment two
As shown in figure 3, the present embodiment and the difference of embodiment one are:Cell reactor 3 is cylinder-like structure, cell effect One end of device 3 is connected with the output shaft of motor 4, and the other end is rotatably connected with incubator 2, and motor 4 can drive carefully Born of the same parents' reactor 3 is rotated around its center axis.During cell grows in cell reactor 3, driven carefully by motor 4 Born of the same parents' reactor 3 is rotated around its center axis, can be disturbed the nutrient solution and cell in cell reactor 3, be made cell in reactor It is uniformly distributed, to prevent cell contacts suppression.In addition, when cell is inoculated with, the driving cell reactor of motor 4 3 are rotated around its center axis, and inoculating cell can be made to be dispersed in cell reactor 3, promote cell and nutrient solution abundant Contact, is easy to the growth of cell.
Likewise, the rotatable angle of cell reactor 3 is preferably 0~180 degree, motor 4 is preferably stepper motor; Nutrition sap cavity 32 and cell growth chamber 33, nutrition liquid supplying device 1 and nutrient solution are divided into by filter membrane 31 in cell reactor 3 Nutrient solution circulating pump 5, the driving cell of motor 4 are provided with the formation nutrient solution circulation canal of chamber 32, nutrient solution circulation canal Reactor 3 is rotated around its center axis, can adjust the pressure differential of nutrition sap cavity 32 and cell growth chamber 33, and then accelerate nutrient solution The nutrient solution of chamber 32 and cell growth chamber 33 is exchanged, and more promotes the growth of cell.
It should be noted that cell reactor 3 is rotated around its center axis, to improve adjustment nutrition sap cavity 32 and cell life The effect of the pressure differential of long chamber 33, direction of the filter membrane 31 along the centerline axis parallel of cell reactor 3 is set, so, cell effect The centrifugal force that the rotational band of device 3 is come is vertical with filter membrane 31, advantageously in the nutrient solution in nutrition sap cavity 32 and cell growth chamber 33 The exchange occurred by filter membrane 31.
The embodiment of the present invention is these are only, but protection scope of the present invention is not limited thereto, any skill The technical staff in art field the invention discloses technical scope in, the change or replacement that can be readily occurred in, should all cover this Within the protection domain of invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (10)

1. a kind of cell expansion system for improving cell inoculation dispersiveness, it is characterised in that including nutrition liquid supplying device and training Support and cell reactor and motor are provided with case, the incubator, the nutrition liquid supplying device and the cell reactor Connection, nutrient input is delivered in the cell reactor, the motor is fixedly connected with the incubator, described thin Born of the same parents' reactor is connected with the motor, and the motor can drive the cell reactor to rotate.
2. cell expansion system according to claim 1, it is characterised in that the cell reactor by fixed structure with The output shaft connection of the motor, the motor can drive the fixed structure to rotate, to drive the cell anti- Device is answered to rotate.
3. cell expansion system according to claim 1, it is characterised in that the cell reactor is cylinder-like structure, One end of the cell reactor is connected with the output shaft of the motor, and the other end is rotatably connected with the incubator, The motor can drive the cell reactor to be rotated around its center axis.
4. cell expansion system according to claim 2, it is characterised in that the fixed structure includes first clamping plate and the Second splint, the first clamping plate and the second clamping plate fasten and can grip the cell reactor, the first clamping plate Provided with the connecting shaft being connected with the output shaft of the motor.
5. cell expansion system according to claim 2, it is characterised in that the cell reactor is cylinder-like structure, The fixed structure fixes the middle part of the cell reactor.
6. the cell expansion system according to Claims 2 or 3, it is characterised in that the motor can drive described thin The angle that born of the same parents' reactor is rotated is 0~180 degree.
7. the cell expansion system according to Claims 2 or 3, it is characterised in that the motor is stepper motor.
8. the cell expansion system according to Claims 2 or 3, it is characterised in that pass through filter membrane in the cell reactor Nutrition sap cavity and cell growth chamber are divided into, the nutrition sap cavity offers nutrient input entrance and nutrient input outlet, described The nutrient input outlet of the nutrient input entrance of nutrition sap cavity and the nutrition sap cavity is connected with the nutrition liquid supplying device, Make to set in the nutrition liquid supplying device and nutrition sap cavity formation nutrient solution circulation canal, the nutrient solution circulation canal Nutritious liquid circulating pump.
9. cell expansion system according to claim 8, it is characterised in that the filter membrane is hollow fiber conduit, the battalion Nutrient solution chamber is the inner space of the hollow fiber conduit, and the cell growth chamber is the exterior space of the hollow fiber conduit.
10. cell expansion system according to claim 8, it is characterised in that the cell growth chamber is communicated with cell receipts Storage, the pipeline between the cell growth chamber and the cell harvestor is connected with cell delivery pump.
CN201710385825.3A 2017-05-26 2017-05-26 A kind of cell expansion system for improving cell inoculation dispersiveness Pending CN107043701A (en)

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