Method and system for controlling respirator through impedance cardiography signals
A signal control, thoracic impedance technology, applied in the field of ventilator, to avoid over-ventilation or under-ventilation, increase comfort, and improve the success rate of resuscitation
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[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0026] The invention discloses a method and system for controlling a ventilator by using chest impedance signals. In the process of external chest compressions, the patient's chest impedance signals are obtained through defibrillation electrodes, the chest impedance signals are digitally collected, and the collected chest impedance signals are digitally collected. The signal is processed, the differential signal of the chest impedance signal is calculated, and then the change of the chest impedance signal and the differential signal is comprehensively analyzed. By comparing with the preset threshold, the compression period and the relaxation period of chest compression are distinguished in real time, and the analysis results are fed back. To the ve...
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