Method and device for automatic tube exchange detection in a ventilator or anesthesia machine

摘要

The invention relates to a method and a device for detecting exchanged respiratory hoses (12, 14) of a respirator or anesthesia device (10) in which time correlates with a predetermined operating situation of a gas delivery unit (30) of the device (10) by means of a sensor (46). a comparison measured value (66) is determined and this is compared with a predetermined or predeterminable expectation value (68), wherein a warning message is output depending on the result of the comparison.