WO2020189655A1 - 培養システム、培養装置、および多層培養容器操作装置 - Google Patents
培養システム、培養装置、および多層培養容器操作装置 Download PDFInfo
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- WO2020189655A1 WO2020189655A1 PCT/JP2020/011606 JP2020011606W WO2020189655A1 WO 2020189655 A1 WO2020189655 A1 WO 2020189655A1 JP 2020011606 W JP2020011606 W JP 2020011606W WO 2020189655 A1 WO2020189655 A1 WO 2020189655A1
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- 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
- C12M23/58—Reaction vessels connected in series or in parallel
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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
- C12M23/04—Flat or tray type, drawers
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- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/10—Rotating vessel
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- 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
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/26—Conditioning fluids entering or exiting the reaction vessel
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- 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
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/02—Filters
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- 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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/14—Incubators; Climatic chambers
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- 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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/44—Means for regulation, monitoring, measurement or control, e.g. flow regulation of volume or liquid level
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/46—Means for regulation, monitoring, measurement or control, e.g. flow regulation of cellular or enzymatic activity or functionality, e.g. cell viability
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/48—Automatic or computerized control
Definitions
- the present invention provides a culture system, a culture method, and a culture method, in which cells can be cultured using a multi-layer culture container containing a plurality of trays, and the multi-layer culture container can be operated in the same space as the cell culture.
- the present invention relates to a multi-layer culture vessel operating device.
- the multi-layer culture vessel When cell culture is performed using a multi-layer culture vessel, the multi-layer culture vessel is operated to fill the multi-layer culture vessel with a culture solution, the multi-layer culture vessel is placed in the incubator to perform cell culture, and after the cell culture, the multi-layer culture is performed. An operation of operating the container to discharge the culture solution from the multi-layer culture container, further operating the multi-layer culture container to fill the multi-layer culture container with a release solution such as trypsin, and shaking the multi-layer culture container. After the cells are detached, the multi-layer culture vessel is operated to recover the exfoliating solution such as trypsin containing cells from the multi-layer culture vessel.
- the present invention by performing the operation of the multi-layer culture vessel, the cell observation, and the cell culture in a series in the same space, the burden on the operator can be suppressed, the adverse effect due to the temperature change can be prevented, and the contamination can be prevented. It is an object of the present invention to provide a culture system, a culture apparatus, and a multi-layer culture vessel operating apparatus capable of effectively preventing the above.
- the culture system has a housing for accommodating a multi-layer culture container containing a plurality of trays in an internal space, and an operation unit for operating the multi-layer culture container while being contained in the internal space.
- the multi-layer culture vessel communicates with the liquid feed pipe, and a fluid material is introduced into the multi-layer culture vessel from the outside of the housing via the liquid feed pipe, or the multi-layer culture vessel is introduced through the liquid feed pipe.
- the fluid can be discharged from the inside to the outside of the housing.
- the operation unit can be configured to have a rotating unit that rotates or swings the multilayer culture vessel.
- the operation unit can be configured to have an opening / closing unit that opens / closes a communication passage between the liquid feeding pipe and the multilayer culture container.
- an air filter is provided between the inside and the outside of the multi-layer culture container, and the operation unit has an opening / closing unit for opening / closing a communication passage between the air filter and the multi-layer culture container.
- the housing has an insertion portion through which the liquid feeding pipe penetrates the housing, and a fluid material is introduced from the outside of the housing into the multilayer culture vessel via the insertion portion and the liquid feeding pipe. It can be configured to be introduced into the culture vessel or to discharge the fluid from the inside of the multilayer culture vessel to the outside of the housing.
- the liquid delivery tube can be configured to be switchably connected to a plurality of containers or devices existing outside the housing.
- a plurality of individual liquid delivery tubes communicating with the plurality of containers communicate with a common liquid delivery tube communicating with the multi-layer culture container, and the individual liquid delivery pipes or the individual feed tubes communicate with each other.
- a valve is installed at the confluence of the liquid pipe and the common liquid feed pipe, and by controlling the valve, the communication state between the individual liquid feed pipe and the common liquid feed pipe can be controlled.
- an observation device for imaging the inside of the multi-layer culture container can be further provided under the multi-layer culture container.
- the culture apparatus includes a housing for accommodating a multi-layer culture container containing a plurality of trays in an internal space, and an operation unit for operating the multi-layer culture container while being contained in the internal space.
- the multi-layer culture vessel is communicated with the liquid feed pipe, and the fluid material is introduced into the multi-layer culture container from the outside of the housing via the liquid feed pipe, or the multi-layer culture is carried out through the liquid feed pipe.
- the fluid can be discharged from the inside of the container to the outside of the housing.
- the operation unit can be configured to have a rotating unit that rotates or swings the multilayer culture vessel.
- the operation unit can be configured to have an opening / closing unit for opening / closing a communication passage between the liquid feeding tube and the multi-layer culture container.
- the multi-layer culture container operating device is a multi-layer culture container operating device that has an operating unit for operating a multi-layer culture container having a plurality of trays and is housed in a housing. It communicates with the liquid feed pipe in the housing, and the operation unit can operate the multi-layer culture container while the multi-layer culture container is housed in the housing, and the operation unit can operate the multi-layer culture container.
- a fluid material is introduced into the multilayer culture vessel from the outside of the housing via the liquid feed pipe, or a fluid is introduced from the inside of the multilayer culture vessel via the liquid feed pipe to the outside of the housing. Can be discharged to.
- the operating unit can be configured to have a rotating unit that rotates or swings the multi-layer culture container.
- the rotating portion has a first rotation axis and a second rotation axis as rotation axes for rotating or swinging the multi-layer culture container, and the first rotation axis and the second rotation.
- the rotating portion can be configured to be configured such that the shaft is a rotating shaft that passes through the multilayer culture vessel.
- the operating unit can be configured to have an opening / closing unit for opening / closing a communication passage between the liquid feeding pipe and the multi-layer culture container.
- a liquid level sensor that detects the liquid level of the fluid material in the multi-layer culture container when the fluid material is introduced into the multi-layer culture container from the outside of the housing via the liquid feed pipe.
- the liquid level sensor is a first liquid level sensor that detects whether or not the first water level indicating that a predetermined amount of the fluid material has been introduced in the multi-layer culture container has been reached. Having a second liquid level sensor that detects whether the fluid material has reached a second water level, which is a water level below the first water level and indicates that the volume of the fluid material is approaching a predetermined amount.
- a second liquid level sensor that detects whether the fluid material has reached a second water level, which is a water level below the first water level and indicates that the volume of the fluid material is approaching a predetermined amount.
- the burden on the operator can be suppressed, the adverse effect due to the temperature change can be prevented, and the adverse effect due to the temperature change can be prevented. Contamination can be effectively prevented.
- FIG. 1 It is a block diagram which shows the structure of the culture system which concerns on 1st Embodiment. It is a perspective view which shows the culture apparatus which concerns on 1st Embodiment. It is a figure for demonstrating the multilayer culture container which concerns on 1st Embodiment. It is a figure for demonstrating the method of distributing a fluid material to each tray in a multi-layer culture vessel. It is a figure for demonstrating an example of the structure of an opening / closing part and a clamp. It is a flowchart which shows the method of cell culture which concerns on 1st Embodiment. It is a figure for demonstrating the rotation operation of the multilayer culture container which concerns on 1st Embodiment.
- FIG. 1 is a block diagram showing the configuration of the culture system 1 according to the first embodiment
- FIG. 2 is a perspective view showing the culture apparatus 10 according to the first embodiment
- the culture system 1 according to the first embodiment includes a culture device 10 that houses a multi-layer culture container 12, and liquid feed pumps 20 and 70 that feed a culture solution or a stripping solution such as trypsin. It has a flow meter 30 for measuring the flow rate of a stripping solution such as a culture solution or trypsin, containers 40, 50, 80 for supplying or collecting a stripping solution such as a culture solution or trypsin, and a centrifuge device 60. There is.
- each configuration is communicated via the liquid feeding tubes 3a to 3g, and the culture solution or the stripping solution such as trypsin is fed by the valves 2a to 2d.
- the flow path (liquid supply pipe 3a to 3g) can be switched.
- the valves 2a to 2d may be switched manually by the operator or automatically by a machine.
- the culture apparatus 10 includes a housing 11, a multi-layer culture container 12, a liquid feed pipe 13, an operation unit 14, an insertion unit 15, a temperature control unit 16, and a gas concentration. It has an adjusting unit 171, a pH adjusting unit 172, a control unit 18, and an input unit 19.
- the culture apparatus 10 houses the multilayer culture container 12 in the internal space S of the housing 11.
- the housing 11 can be opened and closed, but is used in a closed state when culturing cells.
- the size of the internal space S of the housing 11 is not particularly limited, but as will be described later, the size of the multilayer culture vessel 12 is set so that the multilayer culture vessel 12 can be rotated or swung by the operation unit 14. Designed accordingly.
- FIG. 3A is a perspective view for explaining the multilayer culture vessel 12 according to the first embodiment, and is a schematic view of the multilayer culture vessel 12 as viewed from the left side to the right side shown in FIG. Further, FIG. 3 (B) is a cross-sectional schematic view of the multilayer culture vessel 12 along IIIB-IIIB of FIG. 3 (A), and FIG. 3 (C) is a multilayer view of the multilayer culture vessel 12 along IIIC-IIIC of FIG. 3 (A). It is sectional drawing of the culture container 12. In FIG. 3A, the description of the wall portion 1211 of the tray 121 is omitted for convenience of explanation. As shown in FIGS.
- the multilayer culture vessel 12 has a configuration in which a plurality of trays 121 are stacked in order to efficiently culture cells. Further, as shown in FIG. 3A, each tray 121 of the multilayer culture container 12 has holes at two of the four corners. As a result, in the multilayer culture vessel 12, as shown in FIG. 3A, the plurality of trays 121 are spatially communicated with each other, and the liquid feeding pipe 13 and the connecting portion 123 are connected via the connecting portion 122. It communicates spatially with the air filter 133 via the air filter 133.
- a clamp 131 is provided in the portion of the liquid feed tube 13 near the connection portion 122 of the multi-layer culture vessel 12, and by opening the clamp 131, the inside of the multi-layer culture vessel 12 is provided via the liquid feed pipe 13.
- a stripping solution such as a culture solution or trypsin can be introduced, or a stripping solution such as a culture solution or trypsin can be discharged from the multilayer culture vessel 12.
- the multilayer culture vessel 12 communicates with the air filter 133 via the connecting portion 123.
- the air filter 133 is a filter that allows air to pass through but blocks the contamination of bacteria into the multilayer culture vessel 12, and is arranged between the inside and the outside of the multilayer culture vessel 12.
- the clamp 132 also exists between the air filter 133 and the connection portion 123, and by controlling the opening and closing of the clamp 132, it is possible to take in and discharge air into the multilayer culture vessel 12. ..
- the multi-layer culture container 12 When cell culture is performed using the multi-layer culture container 12, for example, the multi-layer culture container 12 is counterclockwise so that the multi-layer culture container 12 changes from the state shown in FIG. 3 (C) to the state shown in FIG. 4 (A). Rotate it about 90 °. Then, the clamp 131 and the clamp 132 were opened, and the cells were suspended in the multilayer culture vessel 12 via the liquid feed pipe 13 in a state where the air in the multilayer culture vessel 12 could be discharged to the outside from the air filter 133. Introduce the culture medium. Next, after closing the clamp 132 and rotating the multilayer culture vessel 12 clockwise by about 180 °, when the multilayer culture vessel 12 is returned upright as shown in FIG. 4 (B), each tray of the multilayer culture vessel 12 is returned.
- FIG. 4 is a diagram for explaining a method of distributing the fluid material to each tray 121 in the multilayer culture vessel 12.
- FIG. 4 (A) is a cross-sectional schematic view of the multilayer culture vessel 12 along IIIC-IIIC of FIG. 3 (A), similarly to FIG. 3 (C), and FIG. 4 (B) is FIG. 3 (B). Similar to B), it is a cross-sectional schematic view of the multilayer culture vessel 12 along IIIB-IIIB of FIG. 3 (A).
- the culture solution is discharged from the multi-layer culture container 12, and a stripping solution such as trypsin is applied to the multi-layer culture container in order to detach the cells adhering to the bottom surface of each tray 121 of the multi-layer culture container 12.
- a stripping solution introduction treatment such as trypsin to be introduced into 12
- a stripping solution recovery treatment such as trypsin for recovering the stripping solution such as trypsin containing the stripped cells from the multilayer culture vessel 12 are performed.
- Multi-layer culture is also used in the treatment of these fluid materials (including exfoliation solutions such as pre-culture solution and lipsin solution; the same applies hereinafter) and fluids (post-culture solution and exfoliation solutions such as trypsin containing exfoliated cells). It is necessary to perform work of introducing or discharging the fluid material by rotating or rocking the container 12 and work of opening and closing the clamps 131 and 132.
- the multilayer culture vessel 12 containing the culture solution and the stripping solution such as trypsin is heavy, and the burden on the operator increases.
- the multi-layer culture container 12 is damaged and cell culture cannot be continued.
- a liquid feeding tube is attached to the multi-layer culture container 12 outside the culture device (for example, a commercially available dedicated culture device) to form a multi-layer.
- the multilayer culture vessel 12 After operating the culture vessel 12 to fill the multilayer culture vessel 12 with the culture solution, the multilayer culture vessel 12 is put into the culture apparatus, and the multilayer culture vessel 12 is taken out from the culture apparatus and attached to the multilayer culture vessel 12. Work was being carried out to replace the tube and operate the multilayer culture vessel 12. However, by attaching or replacing the liquid feed tube to the multilayer culture vessel 12 outside the culture apparatus, the temperature inside the multilayer culture vessel 12 may change, which may have an adverse effect.
- the multilayer culture vessel 12 is housed in the internal space S of the housing 11, and the multilayer culture vessel 12 is not taken out from the internal space S. While the multi-layer culture container 12 is housed in the internal space S, a culture solution or a stripping solution such as trypsin is introduced into the multi-layer culture container 12 via the liquid feed tube 13, and the multi-layer culture container is introduced via the liquid supply tube 13.
- the structure is such that a culture solution or a stripping solution such as trypsin can be discharged from No. 12.
- the multi-layer culture container 12 is housed in the internal space S of the housing 11, and the liquid supply pipe 13 is connected to the connection portion 122 of the multi-layer culture container 12 in the internal space S. Attached, the liquid feeding tube 13 and the multilayer culture vessel 12 are communicated with each other. Further, the liquid feed pipe 13 is connected to the liquid feed pipe 3a outside the housing 11 via an insertion portion 15 provided in the wall portion of the housing 11.
- the insertion portion 15 is not particularly limited as long as it has a structure for connecting the inside and the outside of the housing 11, and may be, for example, a hole having the same diameter as the outer circumference of the liquid feeding pipe 13. In this case, by inserting the liquid feed pipe 13 through the insertion portion 15, the portion of the liquid feed pipe 13 outside the housing 11 constitutes the liquid feed pipe 3a.
- the culture device 10 has an operation unit 14 for operating the multi-layer culture container 12.
- the operation unit 14 has a rotation unit 141 capable of holding the multilayer culture container 12 and a drive unit 142 for rotationally driving the rotation unit 141.
- two axes of rotation axes X1 and X2 are provided.
- a rotation operation is performed to rotate the rotating portion 141 around the above.
- the rotation axis X1 is a rotation axis extending in the X-axis direction, whereby the multilayer culture vessel 12 held by the rotation unit 141 and the rotation unit 141 is rotated in the roll direction R. Can be done.
- the rotation axis X2 is a rotation axis extending in the Y-axis direction, whereby the multilayer culture vessel 12 held by the rotation portion 141 and the rotation portion 141 can be rotated in the pitch direction P.
- the rotation in the roll direction R can be performed in the range of less than ⁇ 180 °, and in the present embodiment, the rotating portion 141 can be rotated in the roll direction R in the range of ⁇ 120 °.
- the rotation in the pitch direction P can also be performed in a range of less than ⁇ 180 °, and in the present embodiment, the rotating portion 141 can be rotated in the roll direction R in a range of ⁇ 30 °.
- the drive unit 142 has a first drive unit 1421 (power motor and / or air cylinder) that rotates the rotation unit 141 on the rotation shaft X1, and a second drive unit 142 that rotates the rotation unit 141 on the rotation shaft X2. It is equipped with a drive unit 1422 (power motor and / or air cylinder), which allows the rotating unit 141 to rotate on two axes.
- the drive unit 142 of the operation unit 14 can also perform a swing operation in which the rotation unit 141 (multilayer culture vessel 12) is reciprocally rotated about the rotation axis X1 or the rotation axis X2.
- the drive unit 142 reciprocates the rotating unit 141 (multilayer culture vessel 12) in the roll direction R within a range of ⁇ 120 ° around the rotating shaft X1 to perform a swinging operation around the rotating shaft X1. It can be carried out.
- the drive unit 142 tilts the rotation unit 141 (multilayer culture container 12) forward (X-axis negative direction) above the rotation unit 141 (multilayer culture container 12) with the rotation axis X2 as the center, and then rotates the rotation unit 142.
- the operation unit 14 has an opening / closing unit 143 that opens and closes the clamps 131 and 132 of the liquid feeding pipe 13.
- FIG. 5 is a diagram for explaining an example of the structure of the opening / closing portion 143 and the clamp 131.
- the opening / closing portion 143 can push a pressing member such as a piston toward the liquid feed pipe 13 side by a drive unit such as an air cylinder, an electric cylinder, or a solenoid, and the liquid feed pipe is formed by the extruded piston and the fixed portion of the clamp 131. By sandwiching the 13, the flow path of the liquid feeding pipe 13 can be closed.
- the pushing member such as the extruded piston is pushed back to the opposite side to the liquid feeding pipe 13 by the driving unit such as an air cylinder, an electric cylinder, and a solenoid to open the liquid feeding pipe 13 and to open the liquid feeding pipe 13. It can be configured to open the flow path.
- the opening / closing portion 143 is not limited to the above structure, and a known structure can be applied. Further, a plurality of structures that perform the same operation as the clamp 131 and the opening / closing portion 143 can be provided and used for venting.
- the multilayer culture vessel 12 is rotated by the rotating portion 141, and the liquid feeding pipe 13 and the clamp 131 are also rotated accordingly.
- the opening / closing portion 143 is also rotatably provided by the rotating portion 141. ing. Further, the opening / closing portion 143 for opening / closing the clamp 132 may have the same mechanism as the 143 for opening / closing the clamp 131.
- the temperature adjusting unit 16 adjusts the temperature in the internal space S of the housing 11.
- the culture apparatus 10 according to the present embodiment has an input unit 19 outside the housing 11, and an operator can operate the input unit 19 to set the temperature of the internal space S of the housing 11. ..
- the set temperature input by the input unit 19 is transmitted to the temperature adjusting unit 16 via the control unit 18.
- the temperature adjusting unit 16 adjusts the temperature in the internal space S so that the temperature in the internal space S becomes the set temperature.
- the gas concentration adjusting unit 171 includes a gas concentration sensor that measures the gas concentration of carbon dioxide or the like in the internal space S of the housing 11. Further, the gas concentration adjusting unit 171 is connected to a gas supply unit provided outside the housing 11 to introduce a gas such as carbon dioxide into the internal space S based on the measurement result of the gas concentration sensor, and is inside. The gas concentration in the space S is adjusted to the gas concentration set by the operator via the input unit 19. As a result, a gas such as carbon dioxide gas having an appropriate concentration can be supplied into the multilayer culture vessel 12. Further, instead of the configuration in which the gas supply unit is provided outside the housing 11, the gas concentration adjusting unit 171 may be provided with the gas supply unit (the gas supply unit is provided inside the housing 11).
- the pH adjusting unit 172 adjusts the pH of the culture solution or the like filled in the multilayer culture vessel 12.
- the pH adjusting unit 172 includes a pH sensor for measuring the pH of the fluid material filled in the multilayer culture container 12, and is connected to a gas supply unit (not shown) provided outside the housing 11. Based on the measurement result of the pH sensor, the inside of the multilayer culture vessel 12 can be adjusted to the pH set by the operator via the input unit 19.
- the input unit 19 inputs an instruction by the operator and transmits the input instruction to the control unit 18.
- the input unit 19 may be a button such as a switch, or may be a touch panel that also serves as a display.
- the control unit 18 controls the operations of the operation unit 14, the temperature adjustment unit 16, and the pH adjustment unit 172 based on the instructions of the operator input from the input unit 19. Further, the control unit 18 operates the valves 2a to 2d, the opening / closing unit 143, the liquid feeding pumps 20 and 70, and the centrifuge device 60 based on the instruction of the operator from the input unit 19. The operation can be controlled.
- the liquid feed pump 20 is connected to the liquid feed pipe 13 and the multilayer culture vessel 12 housed inside the culture apparatus 10 via the liquid feed pipe 3a. Further, the liquid feed pump 20 is connected to the containers 40 and 50 and the centrifuge device 60 via the liquid feed pipes 3b to 3e. Then, the liquid feed pump 20 feeds the culture solution or a stripping solution such as trypsin from the containers 40 and 50 to the multilayer culture vessel 12, and also transfers the culture solution or the stripping solution such as trypsin from the multilayer culture vessel 12 to the containers 40 and 50. Is liquid-fed.
- the amount of the culture solution or the stripping solution such as trypsin that is fed by the liquid feed pump 20 is measured by the flow meter 30, and the liquid feed pump 20 automatically or manually feeds based on the measurement result of the flow meter 30.
- the liquid can be stopped.
- a culture solution in which cells are suspended is placed in a container 40 and prepared.
- a liquid feeding pipe 3c is attached to the container 40, and the container 40 and the multilayer culture container 12 can be connected or disconnected by opening and closing the valve 2a provided in the vicinity of the container 40.
- the culture solution can be introduced from the container 40 into the multi-layer culture container 12 by the liquid feed pump 20.
- the culture solution is fed from the multi-layer culture container 12 to the container 40 by the liquid feed pump 20, and can be collected in the container 40.
- a stripping solution such as trypsin is put in the container 50 and prepared.
- a liquid feeding pipe 3d is attached to the container 50, and the container 50 and the multilayer culture container 12 can be connected or disconnected by opening and closing the valve 2b provided in the vicinity of the container 50.
- the liquid feed pump 20 can introduce a stripping solution such as trypsin from the container 50 into the multilayer culture container 12.
- the centrifuge device 60 centrifuges a stripping solution such as trypsin containing the cultured cells after the cell stripping treatment, and separates the cultured cells from the stripping solution such as trypsin.
- a liquid feed pipe 3e is attached to the centrifuge device 60, and the centrifuge device 60 and the multilayer culture vessel 12 are connected or disconnected by opening and closing a valve 2c provided in the vicinity of the centrifuge device 60. can do.
- the exfoliating solution such as trypsin containing cultured cells can be introduced into the centrifuge device 60 from the multi-layer culture vessel 12 by the liquid feed pump 20.
- the centrifuge device 60 may be configured such that the operation is automatically controlled by the control unit 18, or the operator may manually operate the centrifuge device 60.
- the centrifuge device 60 is connected to the liquid feeding pump 70 and the container 80 via the liquid feeding pipes 3f and 3g. After centrifuging and cleaning the stripping solution such as trypsin with the centrifuge device 60, the valve 2c is closed and the valve 2d is opened, so that the liquid feed pump 70 is used to centrifuge the trypsin. The cells separated and collected from the stripping solution such as the above can be collected in the container 80.
- FIG. 6 is a flowchart showing a cell culture method according to the first embodiment.
- FIG. 7 is a diagram for explaining the rotational operation of the multilayer culture vessel 12 according to the first embodiment. In FIG. 7, for convenience of explanation, only the multilayer culture vessel 12 and the operation unit 14 are shown, and the other configurations are omitted.
- step S101 a process of introducing the culture solution into the multilayer culture container 12 is performed. Specifically, first, the operator prepares a container 40 containing a culture solution in which cells are suspended, attaches a liquid feed pipe 3c to the container 40, and opens a valve 2a. Next, the operator operates the input unit 19 to open the clamp 131 of the liquid feed pipe 13 by the opening / closing unit 143, and communicates the container 40 and the multilayer culture container 12. Further, the clamp 132 is opened so that the air in the multilayer culture vessel 12 can be discharged from the air filter 133. Then, the operator operates the input unit 19 from the state shown in FIG. 7 (A) or the state shown in FIG.
- the operation unit 14 of the culture apparatus 10 controls FIG. 7 (B) or FIG.
- the multilayer culture vessel 12 is rotated by about 90 ° so that the connecting portion 122 of the multilayer culture vessel 12 is located on the lower side and the connecting portion 123 is located on the upper side.
- the operator operates the liquid feed pump 20 to introduce the culture liquid from the container 40 into the multi-layer culture container 12.
- the amount of the culture solution introduced from the container 40 into the multi-layer culture container 12 is measured by the flow meter 30, and the liquid feed pump 20 is the liquid feed pump 20 when the feed of the culture solution is completed. End the operation.
- the clamp 132 is closed to protect the air filter 133 from the culture solution.
- the operator operates the input unit 19 and the operation unit 14 sets the multi-layer culture container 12 at 180 ° as shown in FIG. 7 (C). Rotate it so that the connecting portion 122 of the multilayer culture vessel 12 is located on the upper side and the connecting portion 123 is located on the lower side, and then the multilayer culture vessel 12 is erected as shown in FIG. 7 (D). As a result, as shown in FIG. 4 (B), the culture medium in which the cells are suspended can be distributed to each tray 121. Then, a process of closing the valve 2a and the clamp 131 is performed.
- step S102 cell culture is performed.
- the operator can preset the temperature of the internal space S of the housing 11 by the input unit 19, and the temperature adjusting unit 16 is inside the housing 11 so as to have the temperature set by the operator. Adjust the temperature of the space S.
- the worker can culture the cells by statically culturing or shaking culturing the multi-layer culture vessel 12 containing the culture solution in which the cells are suspended in the internal space S of the housing 11 for a predetermined time. it can.
- step S103 the culture solution is collected.
- the operator causes the operation unit 14 to open the clamps 131 and 132, and as shown in FIG. 7B or FIG. 4A, opens the multilayer culture vessel 12. Rotate. Further, the operator communicates the container 40 and the multi-layer culture container 12 with the valve 2a open, and then causes the liquid feed pump 20 to send the culture solution from the multi-layer culture container 12 to the container 40. As a result, the culture solution is collected in the container 40, and the cultured cells adhere to the tray 121 of the multilayer culture container 12 and remain.
- step S104 a process of introducing a stripping solution such as trypsin into the multilayer culture vessel 12 is performed in order to strip the cells adhering to the tray 121.
- the operator closes the valve 2a while the clamps 131 and 132 are open, and opens the valve 2b near the container 50 containing the release liquid such as trypsin to open the container 50 and the multilayer culture container. Communicate with 12.
- the operator introduces a stripping solution such as trypsin into the multilayer culture vessel 12 by the liquid feeding pump 20 via the liquid feeding pipes 3d, 3b, 3a and the liquid feeding pipe 13.
- the operator operates the input unit 19 as shown in FIGS. 7A to 7D in the same manner as in step S101 to operate the operation unit 14.
- the rotating unit 141 on the driving unit 142 of the above the rotating operation of rotating the multilayer culture vessel 12 is performed.
- step S105 a cell exfoliation process is performed.
- the operator can operate the input unit 19 to input an instruction to cause the operation unit 14 to swing the multi-layer culture vessel 12.
- the rotating portion 141 is used to move the multilayer culture vessel 12 in the first direction (for example, right direction) and the second direction (for example, left direction) about the first rotation axis X1 or the second rotation axis X2.
- the operation program is programmed to swing the multilayer culture vessel 12 back and forth.
- this operation program when switching from the rotation operation in the first direction to the rotation operation in the second direction and when switching from the rotation operation in the second direction to the rotation operation in the first direction, It has a stop mode for stopping the movement of the multilayer culture vessel 12 for a specified time.
- the stop mode even if the swinging motion is performed at a speed faster than the movement of the liquid in the container, the swinging motion is stopped for a specified time when the direction of the rotation motion is switched, so that the liquid in the container causes the swinging motion. It is possible to reliably apply a shearing force to the cells attached to the tray 121 to promote the cells to separate from the tray 121.
- it is important to shake the container at high speed but the problem of liquid movement delay (time lag) that occurs when the container is shaken at high speed is solved. It is possible.
- a centrifugation process is performed. Specifically, the operator operates the input unit 19 to cause the operation unit 14 to rotate the multilayer culture vessel 12 so that the connection unit 122 is on the lower side and open the clamps 131 and 132. Further, the operator operates the input unit 19 to open the valve 2c in the vicinity of the centrifuge device 60 to communicate the multilayer culture vessel 12 and the centrifuge device 60. Then, the worker introduces the exfoliating liquid such as trypsin containing the exfoliated cells into the centrifuge device 60 through the liquid feeding pipe 13 and the liquid feeding pipes 3a, 3b, 3e by the liquid feeding pump 20. .. Further, the operator operates the centrifuge device 60 to centrifuge the exfoliating solution such as trypsin containing cells, and separate the cultured cells from the exfoliating solution such as trypsin.
- the exfoliating liquid such as trypsin containing cells
- the centrifuge device 60 can use a device composed of a service tank, a continuous centrifuge device, a culture solution supply tank, a cell recovery bag, a waste liquid recovery bag, a pump, and the like.
- a process for collecting the cultured cells is performed.
- the operator can collect the cultured cells precipitated by the centrifuge device 60.
- the operator closes the valve 2c, opens the valve 2d, and communicates the centrifuge device 60 and the container 80, so that the cells separated from the centrifuge device 60 into the container 80 by the liquid feed pump 70 are separated.
- the suspended culture solution is pumped and collected.
- the housing 11 that houses the multi-layer culture container 12 containing a plurality of trays 121 in the internal space S and the temperature adjusting unit that adjusts the temperature of the internal space S
- the multi-layer culture container 12 has an operation unit 14 for operating the multi-layer culture container 12 while being housed in the internal space S, and the multi-layer culture container 12 communicates with the liquid feed pipe 13 and is communicated with the liquid feed pipe 13.
- the culture solution or a stripping solution such as trypsin can be introduced into the multilayer culture vessel 12 from the outside of the housing 11, or the culture solution can be discharged from the inside of the multilayer culture vessel 12 to the outside of the housing 11 via the liquid feed pipe 13. it can.
- the operation of the multi-layer culture container 12 and the cell culture can be continuously performed in the same space. Therefore, each time the multi-layer culture container 12 is operated, the multi-layer culture container 12 is taken out from the incubator and the multi-layer culture is performed. The labor of the worker who accommodates the container 12 in the incubator can be saved, and the burden on the worker can be reduced. Further, since it is not necessary to replace the liquid feeding tube 13 outside the incubator, it is possible to effectively prevent a temperature change that adversely affects the cell culture. It should be noted that the series of operations so far can be automatically advanced without the intervention of an operator.
- the culture system 1 by setting a plurality of systems, it is possible to perform cell culture, cell detachment, and collection of cultured cells using a plurality of multi-layer culture containers 12, which is a burden on the operator. Can be further reduced.
- FIG. 8 is a perspective view of the culture system 1a according to the second embodiment
- FIG. 9 is a perspective view showing the configuration of the culture system 1a according to the second embodiment in the housing 11a.
- the culture system 1a according to the second embodiment has a point having an observation device 101, a point having two liquid level sensors 102 and 103, and a rotating part so that the rotating shaft X2 of the rotating part 141a passes through the multilayer culture vessel 12. It has the same configuration as the culture system 1 according to the first embodiment except that 141a is configured, and operates in the same manner as the culture system 1 according to the first embodiment. Note that, in FIGS. 8 and 9, for convenience of explanation, the fields of view of the observation device 101 and the liquid level sensors 102 and 103 are shown (the same applies to FIG. 10 described later).
- the space S in the housing 11a is divided into two, an upper accommodating portion 111 and a lower accommodating portion 112, by the partition plate 113.
- the culture apparatus 10a including the multi-layer culture vessel 12 is accommodated in the upper accommodating portion 111, and the observation device 101 is accommodated in the lower accommodating portion 112.
- Part or all of the partition plate 113 is made of a translucent material (translucent resin or glass), and at the position of the translucent material, the observation device 101 housed in the lower accommodating portion 112 , It is possible to observe the inside of the multilayer culture vessel 12 housed in the upper storage part 111.
- the observation device 101 includes a camera 1011, a camera first drive unit 1012, a camera second drive unit 1013, and a lens 1014.
- the camera 1011 is, for example, a CCD camera or a CMOS camera, and is arranged under the multilayer culture vessel 12 via the lens 1014, and images the inside of the bottom surface of the tray 121 of the multilayer culture vessel 12 from the underside of the multilayer culture vessel 12. It is installed to do.
- the captured image (including the moving image) captured by the observation device 101 is transmitted to a display device (not shown) and displayed to the operator on the display device.
- the multilayer culture vessel 12 is held by the rotating portion 141a, and as shown in FIG.
- FIG. 10 is a perspective view of the configuration inside the housing 11a of the culture system 1a according to the second embodiment as viewed from below, and is an observation for observing the cells in the multilayer culture vessel 12 with the observation device 101. It is a figure which shows the culture system 1a at a position.
- the camera 1011 is connected to the camera first drive unit 1012, and the camera 1011 can be linearly moved in a predetermined first direction.
- the camera second drive unit 1013 is connected to the camera first drive unit 1012, and the camera 1011 can be linearly moved in the second direction orthogonal to the first direction together with the camera first drive unit 1012. It has become. That is, the camera 1011 can be freely moved in the two-dimensional direction by the camera first drive unit 1012 and the camera second drive unit 1013. Therefore, the operator can observe the culture state from the notch 1412 at the desired position.
- the position of the camera 1011 in the two-dimensional direction can be instructed by an operator inputting the camera 1011 via the input unit 19.
- a lighting device (not shown) may be installed on the opposite side of the camera 1011 with the multilayer culture container 12 interposed therebetween.
- the illuminance of the multilayer culture vessel 12 can be increased and the state of the cultured cells can be imaged with appropriate brightness.
- the culture system 1a has a first liquid level sensor 102 and a second liquid level sensor 103 as shown in FIGS. 8 and 9.
- a fluid material such as a culture solution or a stripping solution such as trypsin
- an appropriate amount of the fluid material is added to the multilayer culture vessel 12 (for culture). It is a sensor for judging whether or not it has been introduced up to the required predetermined amount), has a camera such as CCD or CMOS, and the fluid material is placed in the multilayer culture vessel 12 based on the image (or moving image) of the camera. Detecting that an appropriate amount has been introduced, the control unit 18 outputs a signal for stopping the introduction of the fluid material into the multilayer culture vessel 12.
- the first liquid level sensor 102 and the second liquid level sensor 103 are fixed to the inner wall of the housing 11a and installed so as to image the liquid level of the fluid material introduced into the multilayer culture vessel 12. ..
- the fluid material is introduced into the multilayer culture vessel 12 with the multilayer culture vessel 12 tilted at approximately 90 degrees by the rotating portion 141a.
- the second liquid level sensor 103 is located near the second water level slightly below the first water level at which the fluid material is in an appropriate amount in the multilayer culture vessel 12.
- the second liquid level sensor 103 detects that the amount of the exfoliating liquid such as the culture solution or trypsin is close to an appropriate amount, and transmits a signal to the control unit 18. To do.
- the control unit 18 determines that the fluid material is close to an appropriate amount, and controls the operation of the liquid feed pump 20 so as to reduce the inflow amount of the fluid material.
- the first liquid level sensor 102 images the vicinity of the first water level where the fluid material is an appropriate amount. Then, when the water level of the fluid material reaches the first water level at which the fluid material becomes an appropriate amount, the first liquid level sensor 102 detects that the fluid material is an appropriate amount and transmits a signal to the control unit 18. ..
- the control unit 18 receives the signal from the first liquid level sensor 102, it determines that the amount of the fluid material has reached an appropriate level, and opens and closes the valves 2a to 2d and opens and closes the opening and closing unit 143 so as to stop the inflow of the fluid material. The operation and the operation of the liquid feed pump 20 are controlled.
- the configuration of the rotating portion 141a is different from the configuration of the rotating portion 141 according to the first embodiment. That is, in the rotating portion 141 according to the first embodiment, as shown in FIG. 2, the rotating shaft X2 for rotating the multilayer culture vessel 12 in the pitch direction P is configured to pass through the rotating portion 141, and the multilayer culture vessel 12 rotates around the rotation axis X2 in the pitch direction P.
- the rotating unit 141a includes the first driving unit 1421 that rotates the multilayer culture vessel 12 in the roll direction R, and the multilayer culture vessel 12.
- a second drive unit 1422 is provided to rotate in the pitch direction P, and the second drive unit 1422 is installed so that the rotation axis X2 of the second drive unit 1422 passes through the multilayer culture vessel 12.
- the second drive unit 1422 is arranged on the side surface side of the multilayer culture vessel 12 as shown in FIGS. 9 and 10, whereby the multilayer culture vessel 12 is provided by the rotation axis X2 passing through the multilayer culture vessel 12. Can be rotated in the pitch direction P.
- the multilayer culture vessel 12 can be rotated at a wider angle. That is, in the culture system 1 according to the first embodiment, the second drive unit 1422 could only rotate the multilayer culture vessel 12 around the rotation axis X2 within a range of ⁇ 30 ° in the pitch direction P, but the second In the culture system 1a according to the embodiment, the second drive unit 1422 rotates the multilayer culture vessel 12 around the rotation axis X2 by 90 ° or more in the pitch direction P (specifically, the pitch direction P in the clockwise direction in FIG. 9). As a result, it is possible to swing the multilayer culture vessel 12 in a state where the multilayer culture vessel 12 is rotated by 90 °. As for the first drive unit 1421, the multilayer culture vessel 12 is rotated in the roll direction R about the rotation axis X1 passing through the multilayer culture vessel 12 as in the first embodiment.
- the culture system 1a has an observation device 101 under the multi-layer culture container 12 that images the inside from the bottom surface of the tray 121 of the multi-layer culture container 12.
- the operator can appropriately grasp the culture state of the cells in the multilayer culture vessel 12 without removing the multilayer culture vessel 12 from the housing 11a.
- the bottom surface 1411 of the rotating portion 141a has a plurality of cutouts 1412, and the observation device 101 uses the cutouts 1412 to form cells inside the bottom surface of the tray 121 of the multilayer culture vessel 12. The condition can be observed.
- the second drive unit 1422 so that the rotation axis X2 of the second drive unit 1422 that rotates the multi-layer culture container 12 in the pitch direction P passes through the multi-layer culture container 12. is set up.
- the space required for rotation is increased by the distance, and the size of the entire culture system 1 is also increased.
- the distance between the rotation axis X2 for rotating the multilayer culture vessel 12 in the pitch direction P and the multilayer culture vessel 12 is short, the space required for the rotation of the multilayer culture vessel 12 can be reduced. Therefore, the size of the entire culture system 1 can be reduced accordingly.
- the culture system 1 including the culture device 10 and the culture device 10 is exemplified as the embodiment of the culture device and the culture system according to the present invention, but as the multi-layer culture container operating device according to the present invention, As shown in FIG. 7, it is also possible to provide an apparatus having an operation unit 14 used for the culture apparatus 10.
- the configuration in which the culture apparatus 10 includes the temperature adjusting unit 16, the gas concentration adjusting unit 171 and the pH adjusting unit 172 is exemplified, but the present invention is not limited to this configuration, and the temperature adjusting unit 16 and the gas concentration are not limited to this configuration.
- the configuration may include any one or two of the adjusting unit 171 and the pH adjusting unit 172.
- the valves 2a to 2c are installed on the individual liquid feed pipes (liquid feed pipes 3c to 3e) communicating with the containers 40, 50, and 80, respectively, and the valves 2a
- the communication state between the individual liquid feeding pipes (liquid feeding pipes 3c to 3g) and the common liquid feeding pipes (liquid feeding pipes 3a, 3b, 13) is controlled to be open or closed.
- the configuration is not limited to this, and for example, a valve is installed at the confluence of the individual liquid feed pipes (liquid feed pipes 3c to 3 g) and the common liquid feed pipes (liquid feed pipes 3a, 3b).
- the configuration using the camera sensor is exemplified as the liquid level sensors 102 and 103, but the configuration is not limited to this configuration, and an ultrasonic type, a capacitance type, or a pressure type liquid level sensor may be used. It can also be used, and it is preferable to use a capacitance type liquid level sensor.
- the liquid level sensor is attached to a predetermined position (a position where the first water level and the second water level can be measured) of the rotating portion 141 to perform multi-layer culture. Even if the container 12 is replaced, it can be determined whether the fluid material has reached the first water level or the second water level in the multilayer culture container 12.
- the liquid level sensors 102 and 103 are used to determine whether the exfoliating liquid such as the culture solution or trypsin has reached the first water level or the second water level.
- the culture solution and the stripping solution such as trypsin can be injected to different water levels.
- the water level of the culture solution is monitored by the first liquid level sensor 102 and the second liquid level sensor 103
- the water level of the stripping liquid such as trypsin is monitored by the first liquid level sensor 102 and the second liquid level sensor 103. It can be configured to be monitored by the third liquid level sensor and the fourth liquid level sensor, which are different from the above.
- the fourth liquid level sensor determines whether the stripping solution such as trypsin has reached the fourth water level slightly below the third water level at which the amount of the stripping solution such as trypsin is appropriate in the multilayer culture vessel 12, and the second solution is determined.
- the three-liquid level sensor can be configured to determine whether the release liquid such as trypsin has reached the third water level.
- the fluid level sensor for recovering the fluid material from the multilayer culture vessel 12 and determining that the multilayer culture vessel 12 is empty may be further provided.
- Input unit 101 ... Observation device 1011 ... Camera 1012 ... Camera 1st drive unit 1013 ... Camera 2nd drive unit 1014 ... Lens 102 ... First liquid level sensor 103... Second liquid level sensor 20... Liquid feed pump 30... Flow meter 40... Container (for supply / recovery of culture solution) 50 ... Container (for supplying stripping liquid such as trypsin) 60 ... Centrifugator 70 ... Liquid transfer pump 80 ... Container (for cell collection) 2a to 2d ... Valve 3a to 3g ... Liquid supply pipe
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Abstract
Description
しかしながら、このような作業は作業者の負担が多いため、上述した特許文献2のように、多層培養容器のハンドリング操作を行う装置が知られているが、ハンドリング操作のためには一定の広さの空間が必要となり、コストの面から、ハンドリング操作は培養器の外で行われることが多かった。しかしながら、培養液やトリプシン等の剥離液を多層培養容器に充填及び排出する際や、多層培養容器内の細胞を顕微鏡で観察する際、細胞を含むトリプシン等の剥離液を多層培養容器から回収する際に、多層培養容器を培養器の外へと取り出してしまうと、温度が低下することによる細胞培養への影響や、多層培養装置に繋ぐ送液管を切り替える作業などによりコンタミネーションを引き起こすおそれがあるため、多層培養容器を培養器の中に入れたままの状態で、多層培養容器の操作と細胞培養とを同一空間内において一連で行うことができる装置が望まれていた。
上記培養システムにおいて、前記操作部は、前記多層培養容器を回転または揺動させる回転部を有するように構成することができる。
上記培養システムにおいて、前記操作部は、前記送液管と前記多層培養容器との連通路の開閉を行う開閉部を有するように構成することができる。
上記培養システムにおいて、前記多層培養容器の内部と外部との間にエアフィルタを有し、前記操作部は、前記エアフィルタと前記多層培養容器との連通路の開閉を行う開閉部を有するように構成することができる。
上記培養システムにおいて、前記筐体は、前記送液管が筐体を貫通する挿通部を有し、前記挿通部および前記送液管を介して、筐体外部から流体材料を前記多層培養容器内に導入、または、前記多層培養容器内から流体を筐体外部へと排出するように構成することができる。
上記培養システムにおいて、前記送液管が筐体外部に存在する複数の容器または装置に切り替え可能に接続するように構成することができる。
上記培養システムにおいて、前記複数の容器にそれぞれ連通する複数の個別送液管が、前記多層培養容器と連通する共通送液管と連通しており、前記個別送液管上、または、前記個別送液管と前記共通送液管との合流地点に弁が設置されており、当該弁を制御することで、前記個別送液管と前記共通送液管との連通状態が制御可能となっているように構成することができる。
上記培養システムにおいて、前記多層培養容器の下側に、前記多層培養容器の内部を撮像する観察装置をさらに有するように構成することができる。
上記培養装置において、前記操作部は、前記多層培養容器を回転または揺動させる回転部を有するように構成することができる。
上記培養装置において、前記操作部は、前記送液管と前記多層培養容器との連通路開閉を行う開閉部を有するように構成することができる。
上記多層培養容器操作装置において、前記操作部は、前記多層培養容器を回転または揺動させる回転部を有するように構成することができる。
上記多層培養容器操作装置において、前記回転部は、前記多層培養容器を回転または揺動させる回転軸として、第1回転軸および第2回転軸を有し、前記第1回転軸および前記第2回転軸が前記多層培養容器を通過する回転軸となるように、前記回転部が構成されるように構成することができる。
上記多層培養容器操作装置において、前記操作部は、前記送液管と前記多層培養容器との連通路開閉を行う開閉部を有するように構成することができる。
上記多層培養容器操作装置において、前記送液管を介して筐体外部から流体材料を前記多層培養容器内に導入する際に、前記多層培養容器における前記流体材料の液面を検知する液面センサーをさらに有するように構成することができる。
上記多層培養容器操作装置において、前記液面センサーは、前記多層培養容器において前記流体材料が所定量導入されたことを示す第1水位まで到達したかを検知する第1液面センサー、または、前記第1水位よりも下側の水位であり、前記流体材料の容量が所定量に近づいていることを示す第2水位まで前記流体材料が到達したかを検知する第2液面センサーを有するように構成することができる。
図1は、第1実施形態に係る培養システム1の構成を示すブロック図であり、図2は、第1実施形態に係る培養装置10を示す斜視図である。第1実施形態に係る培養システム1は、図1に示すように、多層培養容器12を収容する培養装置10と、培養液またはトリプシン等の剥離液を液送する送液ポンプ20、70と、培養液またはトリプシン等の剥離液の流量を計測する流量計30と、培養液またはトリプシン等の剥離液を供給または回収するための容器40,50,80と、遠心分離装置60とを有している。
なお、これまでの一連の動作は、作業者の介在が無くても自動で歩進させることもできる。
続いて、第2実施形態に係る培養システム1aについて説明する。図8は第2実施形態に係る培養システム1aの斜視図、図9は第2実施形態に係る培養システム1aの筐体11a内の構成を示す斜視図である。第2実施形態に係る培養システム1aは、観察装置101を有する点、2つの液面センサー102,103を有する点、および回転部141aの回転軸X2が多層培養容器12を通過するように回転部141aが構成されている点こと以外は、第1実施形態に係る培養システム1と同様の構成を有し、第1実施形態に係る培養システム1と同様に動作する。なお、図8および図9においては、説明の便宜のため、観察装置101、液面センサー102,103の視野を図示している(後述する図10も同様)。
10,10a…培養装置
11,11a…筐体
111…上部収容部
112…下部収容部
113…仕切り板
12…多層培養容器
121…トレイ
122,123…接続部 13…送液管
131,132…クランプ
133…エアフィルタ
14…操作部
141,141a…回転部
1411…底面
1412…切り欠き
142…駆動部
1421…第1駆動部
1422…第2駆動部
143…開閉部
15…挿通部
16…温度調整部
171…ガス濃度調整部
172…pH調整部
18…制御部
19…入力部
101…観察装置
1011…カメラ
1012…カメラ第1駆動部
1013…カメラ第2駆動部
1014…レンズ
102…第1液面センサー
103…第2液面センサー
20…送液ポンプ
30…流量計
40…容器(培養液の供給・回収用)
50…容器(トリプシン等の剥離液の供給用)
60…遠心分離装置
70…送液ポンプ
80…容器(細胞の回収用)
2a~2d…バルブ
3a~3g…送液管
Claims (17)
- 複数のトレイを内蔵する多層培養容器を内部空間に収容する筐体と、
前記多層培養容器を前記内部空間に収容したままの状態で操作する操作部と、を有し、
前記多層培養容器は送液管と連通しており、前記送液管を介して筐体外部から流体材料を前記多層培養容器内に導入、または、前記送液管を介して前記多層培養容器内から流体を筐体外部に排出することができる培養システム。 - 前記操作部は、前記多層培養容器を回転または揺動させる回転部を有する、請求項1に記載の培養システム。
- 前記操作部は、前記送液管と前記多層培養容器との連通路の開閉を行う開閉部を有する、請求項1または2に記載の培養システム。
- 前記多層培養容器の内部と外部との間にエアフィルタを有し、
前記操作部は、前記エアフィルタと前記多層培養容器との連通路の開閉を行う開閉部を有する、請求項1ないし3のいずれかに記載の培養システム。 - 前記筐体は、前記送液管が筐体を貫通する挿通部を有し、前記挿通部および前記送液管を介して、筐体外部から流体材料を前記多層培養容器内に導入、または、前記多層培養容器内から流体を筐体外部へと排出する、請求項1ないし4のいずれかに記載の培養システム。
- 前記送液管が筐体外部に存在する複数の容器または装置に切り替え可能に接続する、請求項1ないし5のいずれかに記載の培養システム。
- 前記複数の容器にそれぞれ連通する複数の個別送液管が、前記多層培養容器に連通する共通送液管と連通しており、前記個別送液管上、または、前記個別送液管と前記共通送液管との合流地点に弁が設置されており、当該弁を制御することで、前記個別送液管と前記共通送液管との連通状態が制御可能となっている、請求項6に記載の培養システム。
- 前記多層培養容器の下側に、前記多層培養容器のトレイの内部を撮像する観察装置をさらに有する、請求項1ないし7のいずれかに記載の培養システム。
- 複数のトレイを内蔵する多層培養容器を内部空間に収容する筐体と、
前記多層培養容器を前記内部空間に収容したままの状態で操作する操作部と、を有し、
前記多層培養容器は送液管と連通しており、前記送液管を介して筐体外部から流体材料を前記多層培養容器内に導入、または、前記送液管を介して前記多層培養容器内から流体を筐体外部に排出することができる培養装置。 - 前記操作部は、前記多層培養容器を回転または揺動させる回転部を有する、請求項9に記載の培養装置。
- 前記操作部は、前記送液管と前記多層培養容器との連通路の開閉を行う開閉部を有する、請求項9または10に記載の培養装置。
- 複数のトレイを内蔵する多層培養容器を操作する操作部を有し、筐体内に収容される多層培養容器操作装置であって、
前記多層培養容器は、前記筐体内において送液管と連通しており、
前記操作部は、前記筐体内に前記多層培養容器を収容したままの状態で、前記多層培養容器を操作可能であり、
前記操作部により前記多層培養容器を操作することで、前記送液管を介して筐体外部から流体材料を前記多層培養容器内に導入、または、前記送液管を介して前記多層培養容器内から流体を筐体外部に排出することを可能にする、多層培養容器操作装置。 - 前記操作部は、前記多層培養容器を回転または揺動させる回転部を有する、請求項12に記載の多層培養容器操作装置。
- 前記回転部は、前記多層培養容器を回転または揺動させる回転軸として、第1回転軸および第2回転軸を有し、
前記第1回転軸および前記第2回転軸が前記多層培養容器を通過する回転軸となるように、前記回転部が構成される、請求項13に記載の多層培養容器操作装置。 - 前記操作部は、前記送液管と前記多層培養容器との連通路の開閉を行う開閉部を有する、請求項12ないし14のいずれかに記載の多層培養容器操作装置。
- 前記送液管を介して筐体外部から流体材料を前記多層培養容器内に導入する際に、前記多層培養容器における前記流体材料の液面を検知する液面センサーをさらに有する、請求項12ないし15のいずれかに記載の多層培養容器操作装置。
- 前記液面センサーは、前記多層培養容器において前記流体材料が所定量導入されたことを示す第1水位まで到達したかを検知する第1液面センサー、または、前記第1水位よりも下側の水位であり、前記流体材料が所定量に近づいていることを示す第2水位まで前記流体材料が到達したかを検知する第2液面センサーを有する、請求項16に記載の多層培養容器操作装置。
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JP2016103984A (ja) | 2014-12-01 | 2016-06-09 | 株式会社日立製作所 | 積層型培養容器 |
JP2017205078A (ja) * | 2016-05-19 | 2017-11-24 | 澁谷工業株式会社 | アイソレータシステム |
JP2018139615A (ja) * | 2018-05-30 | 2018-09-13 | 四国計測工業株式会社 | 多層培養容器観察装置および多層培養容器観察システム |
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JP2016103984A (ja) | 2014-12-01 | 2016-06-09 | 株式会社日立製作所 | 積層型培養容器 |
JP2017205078A (ja) * | 2016-05-19 | 2017-11-24 | 澁谷工業株式会社 | アイソレータシステム |
JP2018139615A (ja) * | 2018-05-30 | 2018-09-13 | 四国計測工業株式会社 | 多層培養容器観察装置および多層培養容器観察システム |
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