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摘要

The conical tube (6) has a hollow body that has holes (10) formed on its wall. The first end of the hollow body is open for receiving fluid introduced into a cartridge (13), while the second end of the hollow body is closed. Fluid leaves the device through the holes. - Independent claims are included for the following: - (a) Cartridge for on-line preparation of a solution for a medical procedure; - (b) Cartridge manufacture; - (c) Use of the conical tube; and - (d) Use of the cartridge.