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What are the basic functions of the ventilator circuit?

The ventilator can increase lung ventilation and reduce the consumption of breathing work. Ventilators used for treatment are often used for patients with more complicated and severe illnesses. It needs more complete functions, and can perform a variety of breathing patterns to meet the needs of disease changes. So, is the ventilator circuit tube suitable for all ventilators?

The ventilator must have four basic functions, namely, inflating to the lungs, inhaling to exhaling, expelling alveolar gas and converting from exhalation to inhalation, and cycling in turns. (2) It can produce a certain respiratory rhythm, including respiratory rate and respiratory rate, to replace the function of the respiratory rhythm controlled by the human respiratory central nervous system; (3) Provide appropriate tidal volume (VT) or minute ventilation (MV) to Meet the needs of respiratory metabolism. (4) Air supply replaces the function of human nose with heating and humidification, which can provide O2 with more oxygen than the atmosphere, thereby increasing the concentration of inhaled O2 and improving oxygenation.
The ventilator circuit tube is suitable for all ventilators. The indications of the ventilator circuit include acute respiratory failure caused by various reasons, including acute exacerbation of respiratory distress syndrome (ARDS), chronic respiratory failure; persistence of severe acute pulmonary edema and asthma; during and after children's cardiothoracic surgery Ventilation support for patients with respiratory insufficiency; fiberoptic bronchoscopy, neck and tracheal surgery in patients with respiratory insufficiency usually use high-frequency ventilation.

The ventilator loop tube can prevent cross-infection spread by body fluids, protect breathing and anesthesia machines, patients, staff and working environment, reduce hospital infections, reduce the workload and cost of disinfection and cleaning, and protect the interior of the machine from contamination. Reduce the number of nursing hours.

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