Importance

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Abstract

A process for regulating a numerical value for the drug-induced muscle relaxation is provided as well as a corresponding device with an infusion pump (5) for administering a muscle-relaxing drug to a patient (1) connected thereto, an electric stimulator (2) connected to the patient (1) via electrodes (7) for stimulating a nerve, a means (8) for measuring the response of the muscle to the stimulation of the nerve and an evaluation and control unit (6) for regulating the response of the muscle. The evaluation and control unit (6) is connected with the infusion pump (5), the stimulator (2) and the means (8). The evaluation and control unit (6) includes a set point transducer (11) for sending a first set point for the response, a first comparison unit (3), which forms a first difference from a first actual value for the response and the first set point, and with a first regulator (9), which forms from the first difference a second set point for e) a second comparison unit (4), which compares this second set point with a second actual value for the stimulation, and with a second regulator (10), which forms a manipulated variable from this for the infusion pump (5), so that the dose of the muscle-relaxing drug is increased by the infusion pump (5) when the second actual value exceeds the second set point, and the dose of the muscle-relaxing drug is reduced by the infusion pump (5) when the second actual value drops below the second set point until the second actual value and the second set point agree.

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First Claim