There is provided a method of making a fluidic system that comprises assembling a fluidic system comprising a first plate, a second plate and a membrane disposed between the first plate and the second plate; applying laser energy to the fluidic system to cause the first plate, the second plate and the membrane to melt at bonding areas; and allowing the bonding areas to cool down such that the first plate, the second plate and the membrane are bonded together.

The present disclosure relates to a filtration device comprising a plurality of hollow fiber membranes, a process for its production, and its use for the dead-end filtration of infusion liquids.