Ventilator control method and apparatus, ventilator, storage medium and program product

CN122251748APending Publication Date: 2026-06-23GUANGZHOU NAT LAB +3
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Patent Information

Application Number
CN202610633479.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-09
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Traditional non-invasive ventilators suffer from poor human-ventilator synchronization, difficulties in acquiring diaphragmatic electrical signals, insufficient signal processing accuracy, and inadequate neuro-mechanical coordination, resulting in an inability to accurately trigger and adapt to the personalized ventilation needs of patients with different body types and conditions.

Method used

A single-channel flexible surface electrode array was used to acquire diaphragmatic electrical signals. Combined with adaptive filtering and envelope curve extraction techniques, a dynamic mapping relationship between diaphragmatic electrical signals and ventilation parameters was established to achieve real-time adjustment of ventilation support levels.

Benefits of technology

It improves the accuracy and synchronization of diaphragmatic electrical signal triggering, solves the problems of large triggering delay and human-machine asynchrony in traditional methods, and adapts to the real-time fluctuations of the patient's respiratory rhythm.

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Abstract

The present disclosure provides a ventilator control method and device, a ventilator, a storage medium and a program product. The ventilator control method comprises: acquiring an original diaphragm electromyogram of a to-be-tested object; filtering the original diaphragm electromyogram to obtain a to-be-processed diaphragm electromyogram; extracting an envelope curve of the to-be-processed diaphragm electromyogram; and controlling the ventilator to switch between an expiration phase and an inspiration phase according to the envelope curve.
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