A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/087 (2006.01) A61B 5/085 (2006.01)
Patent
CA 2634498
An airflow signal corresponding to the breathing of the patient is obtained. A section corresponding to inspiration, having a front portion and a middle portion, is found within the airflow signal. A peak value of the front portion is found, which is compared with a value representing the airflow of the middle portion. The presence of resisted breathing is determined based on the comparison between the peak value of the front portion with a value representing the airflow of the middle portion. A baseline value of the airflow signal is found by calculating the mode of values within an airflow signal representing the pressure within a patient's naris. The section corresponding to inspiration is determined by finding peak inspiration and baseline values within a breath and searching from the peak until the baseline is reached to find the section of inspiration.
Platt Ronald S.
Lambert Anthony R.
Sagatech Electronics Inc.
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