A recirculation device of an extracorporeal blood treatment device is disclosed with a preferably universal medical fluid container to which an arterial line section of a fluid conducting system of the extracorporeal blood treatment device can be connected as an option. Furthermore, the recirculation device has a 3-way switch, preferably a 3-way valve, which is arranged directly downstream of the universal medical fluid container. A conduit of the 3-way switch is preferably coupled with a spike or a similar connecting device or is formed in one piece together with it.