Patent ID: 6830047
Filing Date: 2004-12-14
Classification: A61M

Abstract:
An anaesthetic control system comprising:a) a patient model (11) created by former values of an active substance previously delivered to numerous other patients' bodies; b) means (13) for delivering the active substance at a present delivery rate (R) to a patient's body 914); c) means for continuously communicating the present delivery rate (R) to the patient model (11) which calculates a present active substance concentration (CNactual) in the patient's body (14) under consideration of active substance values delivered to the actual patient during the running anaesthetic treatment; d) control means (17) for generating a control signal dependent upon the present active substance concentration (CNactual) and a desired active substance concentration (CNdesired); and e) means (25) for conducting the generated control signal to the delivery means (13) for varying the present delivery rate (R) on a continuous basis as required to attain a deliver rate R) toward achieving the desired active substance concentration (CNdesired) in the patient's body (14).