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    • 2. 发明申请
    • MICROFLUIDIC DEVICE FOR A 3D TISSUE STRUCTURE
    • US20230137145A1
    • 2023-05-04
    • US17917816
    • 2021-04-08
    • River BioMedics B.V.
    • Marcelo CATARINO RIBEIROTom Mathijs Paulus Maria BOONEN
    • C12M3/00C12M3/06C12M1/12C12M1/00C12N5/077C12M1/34
    • Microfluidic device comprising at least one cell culture unit for forming, culturing, growing and/or maintaining a 3D tissue structure such as a 3D strip of cardiac tissue, wherein the at least one cell culture unit comprises: a respective culture chamber for culturing cells having a chamber outlet opening; and a cell supply channel arranged to guide a microfluidic flow of liquid holding cells between a channel inlet and a channel outlet, wherein the cell supply channel is provided with a flow inhibitor which is operable to selectively provide a flow inhibiting state or a flow permitting state depending on a fluid pressure at the flow inhibitor, wherein, in the flow inhibiting state, the flow inhibitor is configured to substantially inhibit liquid flow between the cell supply channel and the culture chamber, wherein, in the flow permitting state, the flow inhibitor is configured to permit such liquid flow such that the cell supply channel is in liquid communication with the culture chamber to supply the culture chamber with cells, wherein the culture chamber is provided with at least two mutually spaced apart elastic support structures which extend in the culture chamber and which are configured for elastically supporting a tissue formed in the culture chamber, in particular a cultured 3D tissue formed from the cells, wherein the elastic support structures are elastically deformable, in particular flexible, in particular to vary a mutual distance of said support structures under influence of a varying contraction force between said support structures.