Methods for the sterile transfer of a solution are disclosed, including sterilizing the inlet to a connector by flowing a sterilizing fluid around the connector inlet, sterilizing a penetrating element for the connector by flowing a sterilizing solution around the penetrating element, and penetrating...http://www.google.co.uk/patents/US5879328?utm_source=gb-gplus-sharePatent US5879328 - Method and connection unit for sterile transfer of solution via a connector
