Abstract: An apparatus for the filling of a dialyzer with a dialysis liquid and/or for the draining of dialysis liquid from a dialyzer is mobile. The apparatus has at least one liquid container for the reception of a liquid, preferably of RO water, at least one concentrate receptacle for the reception of concentrate and/or a concentrate connection for the connection of a container holding concentrate as well as at least one preparation unit which is arranged and configured such that liquid from the liquid container can be mixed with concentrate from the concentrate receptacle and/or from the container holding the concentrate in the preparation unit.

Abstract: The present invention relates to an apparatus and to a method for the filling of a dialyzer with a dialysis liquid and/or for the draining of dialysis liquid from a dialyzer, wherein the apparatus is mobile and has at least one liquid container for the reception of a liquid, preferably of RO water, at least one concentrate receptacle for the reception of concentrate and/or a concentrate connection for the connection of a container holding concentrate as well as at least one preparation unit which is arranged and configured such that liquid from the liquid container can be mixed with concentrate from the concentrate receptacle and/or from the container holding the concentrate in the preparation unit. The invention furthermore relates to the use of an apparatus for the filling of a dialyzer with a dialysis liquid and/or for the draining of dialysis liquid from a dialyzer.