An anti-free flow device is disclosed for a fluid administration system (10) having a tube assembly (12) engageable with a pump (14) with one end of the tube assembly (12) connected to a source of fluid (46) and the other end in fluid flow communication with a patient. The valve device (16) comprises...http://www.google.de/patents/US20030229309?utm_source=gb-gplus-sharePatent US20030229309 - Inner lumen anti-free flow device
