| 摘要 |
A device for treating a fluid-like sample, in particular whole blood, with treatment fluid. The device comprises a tubular container with a first piston and a second piston, with a piston gap between them in which the treatment fluid is located in the initial position. The device further comprises an inlet port to which a capillary can be connected and an outlet port to which a filter can be connected. Furthermore, the device comprises a tubular container so that when the plunger is pushed in the first piston, the first piston moves away from the second piston in order to draw in sample from the inlet port, the two pistons are then moved jointly away from the inlet port to in front of the outlet port, after which the second piston is pushed towards the first piston in order to drive out the mixture of sample and treatment fluid, via the outlet port, through the filter
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