Airway management method, airway management system and ventilator during tracheal intubation ventilation

Abstract

The invention relates to an airway management method during tracheal intubation ventilation, including a method for judging airway seal leakage: obtaining real-time information on the internal pressure of the tracheal intubation and the air bag and the pressure on the outer wall of the tracheal intubation tube, CO inside and outside the upper part of the balloon 2 Real-time information of content, temperature and humidity; ventilator and airway management system to judge whether there is air leakage: 1. Calculate the inspiratory tidal volume and respiratory tidal volume according to the air flow of the endotracheal intubation, and judge whether there is an initial air leakage. The pressure on the outer wall of the tube can be used to determine whether there is an air bag or air leak near the trachea; 2. Based on the CO 2 Real-time information of content and temperature and humidity, calculate the gas concentration and temperature and humidity, and compare to determine whether there is an air leak; if it meets the air leakage standards of the ventilator and airway management system, it is an air leak. The method enhances the accuracy and reliability of judging the airway state, and makes the management more flexible. The invention also discloses an airway management system and a ventilator applying the method.

Description

technical field [0001] The invention belongs to the field of medical equipment, and in particular relates to an airway management method during tracheal intubation ventilation, an airway management system and a ventilator. Background technique [0002] In ventilation therapy, a tracheal tube is inserted into a patient's trachea, usually through the mouth, nose, or any other surgically created opening, including a tracheostomy. One end of the endotracheal tube is connected to a ventilator that periodically forces air through the trachea into the lungs; the distal end of the tube is usually provided with an inflatable balloon that is inflated by conventional means after the tube is inserted into the trachea; inflation The balloon is also used to seal the endotracheal tube and the inner wall of the trachea. Airway management is often lacking in monitoring and management during routine ventilation; airway management techniques need to be incorporated for this. In the existing ...

AI Technical Summary

Problems solved by technology

However, the above-mentioned airway seal leakage judgment is carried out in the airway management system, and the CO2 concentration change is used to identify the air leakage. However, this method is not accurate enough. It will also be large, and it will be misjudged as insufficient airbag pressure and air leakage

In addition, the airway sealing algorithm in the prior art is not complete enough

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