Hamilton Medical Ag

Jonathan Schad

Dominik Novotni

Bernd Offenbeck

Christoph Schranz

A ventilation device for artificial ventilation, having: —a ventilation gas source; —a ventilation line arrangement; —a pressure-changing assembly for changing the pressure of the ventilation gas flowing in the ventilation line arrangement; —a control device; —an evaluation device for processing sensor signals; and —an O2 sensor assembly for determining an O2 concentration value representing the oxygen concentration of the ventilation gas flowing in the ventilation line arrangement, wherein the O2 sensor assembly outputs O2 sensor signals, which contain information regarding the O2 concentration value, to the evaluation device, and wherein the evaluation device is designed to determine, on the basis of the O2 sensor signals, an O2 change value representing a change in the O2 concentration value and, if the O2 change value satisfies a predefined condition, to infer degradation of the O2 sensor assembly and to output a signal.

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Bonaduz, Switzerland

Jonathan Schad