Pulmonary respiration assistance control method and control device applying same, and respiration machine

Abstract

The invention discloses a pulmonary respiration assistance control method and a control device applying the same, and a respiration machine, and relates to the field of pulmonary respiration. The pulmonary respiration assistance control method comprises the steps of measuring first displacement generated in two courses of exhaling and normal inhaling when the chest of a human body is in normal andcalm respiration; collecting second displacement generated in the two courses of exhaling and normal inhaling in a real-time manner when the chest is in clam respiration with the respiration machine;calculating the deviation value of the first displacement and the second displacement; and according to the deviation value, determining the air supply quantity inflated to the lung by the respiration machine. The problems that due to differences of the state of patients, the flow control of the respiration machine is complex and high-requirement leakage detection is needed can be solved.

Description

technical field [0001] The invention relates to the field of lung breathing, in particular to a lung breathing assist control method, a control device and a ventilator using the same. Background technique [0002] Ventilator is a device that can replace, control or change people's normal physiological breathing, increase lung ventilation, improve respiratory function, reduce breathing work consumption, and save heart reserve capacity. The ventilator inflates the lungs, inhales and exhales Conversion, expulsion of alveolar gas and conversion from exhalation to inhalation, and the cycle repeats in turn. When infants and young children are complicated with acute respiratory failure, aggressive conservative treatment is ineffective, breathing is weakened, sputum is thick and thick, sputum discharge is difficult, airway is blocked or atelectasis occurs, tracheal intubation and ventilator should be considered. [0003] At present, ventilators are divided into two categories accor...

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Problems solved by technology

[0009] In view of this, the present invention provides a lung breathing assist control method and its control device and ventilator. The physical change of the displacement of the thorax is used to determine the amount of air supplied by the ventilator to the lungs, so as to solve the difference in patient status and make breathing Complicated machine flow control and the need for higher requirements for air leakage detection

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