The present invention generally relates to occluders and, in particular, to occluders for use in medical infusion systems. In one aspect, the occluder contains one or more tubes through which fluid can flow, and the occluder can be automatically controlled to allow or at least partially prevent fluid...http://www.google.es/patents/US20100057016?utm_source=gb-gplus-sharePatente US20100057016 - OCCLUDER FOR A MEDICAL INFUSION SYSTEM
