FIELD: medical equipment.
SUBSTANCE: group of inventions relates to medical equipment. The ambulatory infusion device is an extracorporeal device and contains a control unit containing a noise generating module, an evaluation module and a switching module, and an electroacoustic transducer. The control unit is configured to drive the electroacoustic transducer as a noise emitter when the switching module of the electroacoustic transducer is connected to the noise generation module and to actuate the electroacoustic transducer in alternative noise emission as a noise receiver when the switching module of the electroacoustic transducer is connected to the evaluation module. The evaluation module is configured to determine the state of the ambulatory infusion device based on the noise received by the electro-acoustic transducer. A method for controlling the operation of an electroacoustic transducer is disclosed.
EFFECT: providing improved infusion device that is easy to use.
15 cl, 4 dwg
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