Breathing machine control triggering method

• Main Authors: SU JINPING, SONG YUANLIN, LIU ZHE, DU CHUNLING, WU CHAOMIN, YUAN ZAIXIN, ZHOU LEI
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2022
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The invention relates to the technical field of breathing machine control, and discloses a breathing machine control triggering method. The method comprises the following steps: acquiring a body surface diaphragm electromyographic signal by using an electrode sensor, and performing signal enhancement processing on the acquired diaphragm electromyographic signal; performing time-frequency conversion on the enhanced diaphragm electromyographic signal by using a wavelet filtering technology to obtain a filtered diaphragm electromyographic signal; de-noising the filtered diaphragm electromyographic signal by using mathematical morphological operation to obtain a de-noised diaphragm electromyographic signal; calculating the signal intensity of the denoised diaphragm electromyographic signal, and if the signal intensity is greater than a preset threshold value, determining that the breathing machine needs to carry out auxiliary air supply. According to the method, the incidence relation between the diaphragm electr