Expanding Cells
    3.
    发明公开
    Expanding Cells 审中-公开

    公开(公告)号:US20240101946A1

    公开(公告)日:2024-03-28

    申请号:US18368879

    申请日:2023-09-15

    申请人: Terumo BCT, Inc.

    IPC分类号: C12M1/00 C12M1/26 C12N5/0783

    摘要: Cells may be grown in a bioreactor, and the cells may be activated by an activator (e.g., a soluble activator complex). Nutrient and gas exchange capabilities of a closed, automated cell expansion system may allow cells to be seeded at reduced cell seeding densities, for example. Parameters of the cell growth environment may be manipulated to load the cells into a particular position in the bioreactor for the efficient exchange of nutrients and gases. System parameters may be adjusted to shear any cell colonies that may form during the expansion phase. Metabolic concentrations may be controlled to improve cell growth and viability. Cell residence in the bioreactor may be controlled. In embodiments, the cells may include T cells. The cells may include T cell subpopulations, including regulatory T cells (Tregs), for example.

    PLATE CLEANING DEVICE
    5.
    发明公开

    公开(公告)号:US20240002773A1

    公开(公告)日:2024-01-04

    申请号:US18250480

    申请日:2021-11-05

    摘要: A plate cleaning device (1) for cleaning a clamp plate of a fermenter, wherein the clamp plate has a plurality of receptacles each configured to hold a bioreactor vessel, and at least one conduit with a conduit opening per receptacle. The device comprises a plate seat member (3), a cover member (2), a plurality of valve units (4), a first fluid terminal (71), a second fluid terminal (74) and a control unit (9). The plate seat member (3) is configured to hold the clamp plate (6) in a predefined position and orientation. The cover member (2) is configured to close the plate seat member (3) such that the clamp plate (6) is tightly enclosed by the plate seat member (3) and the cover member (2). The plurality of valve units (4) is configured to be coupled to the cover member (2) such that at least one valve unit (4) is associated to each of the conduit openings (62) of the clamp plate (6). The first fluid terminal (71) is configured to receive a first fluid container and the second fluid terminal (74) to receive a second fluid container. The cover member (2) is equipped with channels each having a first open end and a second open end. Each of the first open ends of the channels of the cover member (2) is positioned to be connected to one of the conduit openings (62) of the clamp plate (6). The valve units (4) are configured to be coupled to the second open ends of the channels of the plate such that all of the at least one conduit openings (62) per receptacle are associated to one valve (4). The first fluid terminal (71) and the second fluid terminal (74) are coupled to each of the valve units (4). The control unit (9) is configured to selectively connect the first fluid terminal (71) and the second fluid terminal (74) to the second open ends of the channels of the cover member (2).

    Cell bio-incubator with a variable internal pressure

    公开(公告)号:US11655442B2

    公开(公告)日:2023-05-23

    申请号:US16954235

    申请日:2018-12-31

    IPC分类号: C12M1/42 C12M1/00 C12M1/34

    摘要: A system for incubating one or more cells and/or organotypic cultures for biological investigation, in particular for toxicology assessment, comprising a bio-incubator and a pressure system fluidly connected with the bio-incubator. The pressure system is a cyclic gas pressure system configured for cyclically varying the gas pressure in the bio-incubator between a negative pressure and a positive pressure compared to the atmospheric pressure, so as to reproduce the pressure conditions in lungs of a living mammal. The system is remarkable in that the cyclic gas pressure system comprises a feedthrough with a pipe configured to deviate the air influx from the one or more cells and/or organotypic cultures.

    CELL CONCENTRATION ADJUSTMENT DEVICE, AND AUTOMATIC SUBCULTURE SYSTEM USING SAME

    公开(公告)号:US20170159003A1

    公开(公告)日:2017-06-08

    申请号:US15327208

    申请日:2015-07-08

    摘要: A device which automatically performs a step in which expanded and cultured cells are diluted to a desired cell concentration and re-inoculated using a cell-concentration adjustment device having an inlet for taking in a cell suspension; an outlet for discharging a diluted cell suspension; and a flow path which is provided between the inlet and the outlet and is capable of holding a cell suspension, the flow path being provided with: a liquid delivery pump for causing a cell suspension inside to flow; a cell-concentration measurement instrument for collecting data related to a cell concentration per unit amount of the cell suspension; and a dilution-liquid container for holding a dilution liquid which is supplied to the flow path to dilute the cell suspension. The device further includes a control unit for controlling at least the liquid delivery pump on the basis of the data obtained by the cell-concentration measurement instrument, wherein the control unit determines, on the basis of the data obtained by the cell-concentration measurement instrument, an amount of the dilution liquid required to bring the cell concentration to the desired concentration, and drives the liquid delivery pump so as to take in the required amount of the dilution liquid into the flow path and mix the cell suspension and the dilution liquid.