A process comprises the phases of: activating a pusher, which exerts a push force on a plunger of a syringe containing the infusion liquid; measuring the push force by means of a load cell; comparing the push force with a maximum threshold; halting the pusher when the maximum threshold is exceeded; after...http://www.google.co.uk/patents/US7758547?utm_source=gb-gplus-sharePatent US7758547 - Process for controlling an infusion device
