Sleep breathing mode identification method and device based on bioelectrical impedance

A technology of bioelectrical impedance and sleep breathing, which is applied in the field of medical monitoring, can solve problems such as unsatisfactory, and achieve the effects of eliminating interference, good anti-interference effect, and safe and convenient operation

Active Publication Date: 2013-05-01
SUN YAT SEN UNIV
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Problems solved by technology

However, the current sleep breathing monitoring met

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  • Sleep breathing mode identification method and device based on bioelectrical impedance
  • Sleep breathing mode identification method and device based on bioelectrical impedance
  • Sleep breathing mode identification method and device based on bioelectrical impedance

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[0053] The technical solution of the present invention will be further described below in conjunction with the drawings and embodiments.

[0054] It is obtained during the experiment that the changes in the amplitude of the electrical impedance of the chest and abdomen have a strong correlation with the changes in the respiratory signal. Therefore, the present invention collects the respiratory electrical impedance signals of the chest and abdomen and combines the chest respiratory electrical impedance signals obtained in the experiment. The relationship between the parameter model and the abdominal respiratory electrical impedance signal is compared with the phase, amplitude and frequency spectrum by segmentation, and different respiratory signals are classified and recognized as different respiratory patterns.

[0055] Such as figure 1 Shown is a flowchart of a specific embodiment of the method for recognizing sleep breathing pattern based on bioelectrical impedance in the presen...

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Abstract

The invention discloses a sleep breathing mode identification method and device based on bioelectrical impedance. The method comprises the following steps of: collecting a chest breathing electrical impedance signal and an abdomen breathing electrical impedance signal of a human body; segmenting the chest breathing electrical impedance signal which becomes digital signal data according to the amplitude variation; analyzing to obtain the amplitude variation relationship, the frequency spectrum difference relationship and the signal phase relationship between the corresponding chest breathing electrical impedance signal and abdomen breathing electrical impedance signal in each segment; establishing a reference model; and classifying and distinguishing the sleep breathing signal of the human body according to the parameter model to determine a breathing mode. The invention has the advantages of good anti-interference effect and safety and convenience in operation, and the human body sleep breathing mode can be accurately identified in time.

Description

technical field [0001] The invention relates to the field of medical monitoring, in particular to a bioelectrical impedance-based sleep breathing pattern recognition method and device. Background technique [0002] At present, polysomnography (PSG) is mostly used clinically to monitor the sleep status of patients. This equipment is bulky and complicated to operate. It requires patients to be checked in a sleep monitoring center, and it is not convenient to carry it around. For the simple method of monitoring sleep apnea of ​​patients, the mouth and nose airflow sensor is used for detection. This method can effectively monitor the number of sleep apnea, but it cannot effectively classify and identify sleep apnea as obstructive apnea, central apnea or mixed type. type pause. For patients with sleep apnea, it is necessary to effectively monitor and record the breathing pattern of the patient's sleep apnea, help doctors diagnose and identify the type of apnea in sleep apnea, fo...

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Application Information

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IPC IPC(8): A61B5/053A61B5/08
CPCA61B5/053A61B5/4812A61B5/085A61B5/113
Inventor 蒋庆汪洪彬宋嵘
Owner SUN YAT SEN UNIV
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