Patent ID: 8864702

Claim:
System for controlling injectors configured to inject anesthetics or sedatives into a patient via an intravenous anesthesia or sedation mode that is concentration or mass flow target-controlled, for inducing and maintaining this anesthesia or this sedation comprising: an electro-cortical activity input configured to transfer to the system a signal representing the electro-cortical activity of the patient, an analysis module configured to analyze the signal to determine therefrom a signal of depth of anesthesia, a monitor configured to monitor the value and development over time of this signal of depth of anesthesia, associated a calculator configured to calculate control commands of the injectors, for automatic closed-loop regulating of the signal of depth of anesthesia within a predetermined range around a target value, and wherein a first injector is configured to inject a hypnotic agent, wherein the first injector is configured to receive control commands at a first frequency, and wherein a second injector is configured to inject a morphinomimetic agent, wherein the second injector is configured to receive control commands at a second frequency higher than the first frequency.