A method and apparatus for automatically detecting an occlusion or drive system failure in a medication infusion system is provided. The electrical current to an infusion pump is measured and compared against a baseline average current. If the current exceeds a threshold amount, an alarm is triggered....http://www.google.es/patents/US6555986?utm_source=gb-gplus-sharePatente US6555986 - Method and apparatus for detection of occlusions
