The present invention provides an apparatus for use in a peristaltic pump 20 which prevents an inadvertent free flow condition prior to loading or after removal of an I.V. tube 26 in the peristaltic pump 20 and which also prevents the inadvertent occlusion of a loaded I.V. tube 26 in the peristaltic...http://www.google.es/patents/US5290239?utm_source=gb-gplus-sharePatente US5290239 - Intravenous tube safety apparatus
