Hollow tube bundle type fixed bed bioreactor for adherent culture of mammalian cells
A technology of bioreactor and adherent culture, which is applied in the direction of specific-purpose bioreactor/fermenter, bioreactor/fermenter combination, method of supporting/immobilizing microorganisms, etc., which can solve the problem of uneven cell distribution, shearing Eliminate problems such as cell damage and difficult cell harvesting, and achieve the effects of improving culture efficiency, promoting oxygen mass transfer, and promoting uniform attachment
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Embodiment 1
[0024] A hollow tube bundle fixed bed bioreactor for adherent culture of mammalian cells, such as figure 1 , Figure 2a , Figure 2b As shown, it includes a tank body 1, a carrier 5, and a cultivation and driving unit 4. A flange cover 2 is installed on the top of the tank body 1, a base 3 is installed on the bottom, and a carrier 5 is installed inside. And evenly distributed flow passages, gaps are respectively provided between the upper end of the carrier 5 and the flange cover 2, and between the carrier 5 and the side wall of the tank body 1, and the cultivation and driving unit 4 is a low-shear jet pump (low-shear jet pump) The injection direction of the culture medium of the force jet pump is from top to bottom, that is, towards the axis of the tank body and the flow channel. The access of the actual structure of the pump does not affect the actual implementation of the invention), the low-shear jet pump is fixedly installed on the base 3, and during use, as Figure 4 ...
Embodiment 2
[0030] Such as Figure 3a , Figure 3b As shown, the difference between Embodiment 2 and Embodiment 1 is that a plurality of tube bodies 52 that are parallel to each other and fit together are surrounded and fixed by binding members 51 to form a circular tube bundle 53, and multiple tube bundles 53 are parallel to each other and fit together. Afterwards, it is surrounded and fixed by the binding member 51 to form a circular carrier.
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