Method and device for evaluating respiratory airflow stimulating factor during reopening of air passage
A kind of factor, airway technology, applied in the field of evaluation of respiratory airflow stimulation factors when the airway is reopened, can solve the problem of not being able to determine the size of the stimulus required for airway reopening, and achieve the effect of small physiological load
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Embodiment 1
[0035] The present invention provides a method for evaluating respiratory airflow stimulating factors when the airway is reopened, such as figure 2 shown, including the following steps:
[0036] S1. Collect the chest belt signal Tho and the abdominal belt signal Abd of the respiratory event when the airway is reopened to calculate the volume change of the lung; the collected chest belt signal Tho and abdominal belt signal Abd are as follows: Figure 4 shown.
[0037] S2. Use the volume change of the lung to calculate the change of lung negative pressure; use the change of lung negative pressure to evaluate the stimulation of negative pressure factors;
[0038] S3. Collect the blood oxygen signal of the respiratory event when the airway is reopened, and calculate the maximum value and maximum drop rate of blood oxygen drop to evaluate the stimulation of chemical factors; the collected blood oxygen signal is as follows: Figure 4 shown
[0039] S4. Negative pressure factor s...
Embodiment 2
[0046] This embodiment provides a device for applying the above method, such as image 3 Shown, the specific scheme of this device is as follows:
[0047] Including thoracic and abdominal belt sensor, oximeter, thoracic and abdominal belt signal processing circuit, blood oxygen signal processing circuit, analog-to-digital conversion module and central processing module;
[0048] The chest belt sensor is used to collect the chest belt signal Tho and the abdominal belt signal Abd of the respiratory event when the airway is reopened;
[0049] The oximeter is used to collect the blood oxygen signal of the respiratory event when the airway is reopened;
[0050] The chest belt signal processing circuit is used to perform signal processing on the collected chest belt signal Tho and the abdominal belt signal Abd, and then transmit the processed signal to the analog-to-digital conversion module for digital conversion;
[0051] The blood oxygen signal processing circuit is used to per...
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