Portable respiratory function detection device with learning function

Abstract

The invention discloses a portable respiratory function detection device with a learning function. The portable respiratory function detection device comprises a rigid breathing tube and a handle, wherein one end of the rigid breathing tube is connected with an interface unit and a valve is arranged at the other end; the handle is fixedly connected with a valve end of the rigid breathing tube; a control unit is arranged in the handle; a display screen for displaying a respiratory function and a pressure result connected with the control unit and a loudspeaker are embedded into a shell of the handle separately; a flow sensor electrically connected with the control unit, a pressure sensor and a carbon dioxide detector are arranged in the rigid breathing tube separately; and the control unit controls the opening and closing of the valve. The loudspeaker is controlled through respiratory flow, the larger the airflow is, the higher the sound is, and a subject quickly grasps main points of respiratory function detection with the help of auditory feedback, so that the lung function can be detected and whether the lung function damage is caused by an abnormal respiratory muscle function or an abnormal lung or a thorax disease can be identified when the lung function declines.

Description

technical field [0001] The invention relates to the field of respiratory function detection, in particular to a portable respiratory function detection device with a learning function. Background technique [0002] Respiratory function is often reflected by pulmonary function, which mainly measures forced vital capacity (FVC), maximum expiratory volume in one second (FEV1) and maximum expiratory flow rate (PEF). These indicators are commonly used to evaluate lung function and differentiate between obstructive and restrictive ventilatory dysfunction. Obstructive ventilatory dysfunction is mainly manifested as FEV1 / FVC<0.7, while restrictive ventilatory dysfunction is mainly manifested as a simultaneous decrease in FVC and FEV1. Since the etiology of obstructive ventilatory dysfunction and restrictive ventilatory dysfunction are different, accurate identification of the two is helpful for treatment. In addition, by observing the changes of FEV1 before and after exercise o...

AI Technical Summary

Problems solved by technology

However, many patients have poor learning and comprehension skills and do not know how to inhale and exhale forcefully, resulting in low measured values ​​and affecting the judgment of the results.

For example, a subject's FVC decreases, either due to abnormal lung or respiratory muscle function, or due to the subject's failure to master the essentials of forced breathing and not to breathe as hard as possible

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