The method involves providing a washed, siliconized and sterilized dual-chamber system (3) in a magazine (9). The magazine is arranged in a container (11) that is sealed with a closing element (13). The container is introduced into a clean room. A chamber (5) of the dual-chamber system is filled and closed with a gas-permeable closing element. The solution present in the chamber is lyophilized, and the chamber is closed with a closing element. Another chamber (5') of the dual-chamber system is filled, closed, and removed from the clean room. The magazine is made of plastic.
