| abstract |
Medical device for use in a vessel or tube through which body fluid can flow, characterized by a) in the longitudinal direction of the vessel (13) or tube sealable elements (3, 4); b) at least one preferably flexible, functional wall (5) between the sealing elements (3, 4); c) a channel that can flow freely within the vessel and that is open at both ends, which extends between the pronounced sealing elements (3, 4) and whose length and / or cross section can be changed by means of the flexible wall (5), the wall (5 ) forms with the sealing elements (3, 4) a treatment room (10) for receiving particles, cells, liquids, solutions or suspensions. |