High Flow Nasal Cannula (HFNC)
In addition to medicine treatment, respiratory support treatments such as oxygen therapy, invasive mechanical ventilation, non-invasive ventilation, extracorporeal membrane oxygenation (ECMO), and circulatory support are chosen to treat those serious cases of pneumonia. It also plays an important role in the treatment of critically ill patients. As there is shortage of ventilator in many hospitals, sometime HFNC machine is aonther option for doctors to treat patients in some cases, it is considered by doctors for the early infection cases and the recovery stage of patients from critical stages.
High Flow Nasal Cannula machine (HFNC machine), also known as high flow oxygen therapy machine, is an oxygen(O2) delivery therapy device. As we can know from the name, the machine provides oxygen flow for the nasal cannula, and the rate of the flow would be high. It can be used for neonates or adults when using different type of breathing circuits.
As a professional medical devices manufacturer, Pigeon Medical has more than 30 years of experience in producing high-quality respiratory care products. We offer reliable high flow nasal cannula (HFNC) machines at reasonable prices. If you need more information, please contact us, we are ready to support you.
How does High Flow Nasal Cannula Work?
The high flow nasal cannula (HFNC) is a heating and humidification system that allows the delivery of a specified percentage of inhaled oxygen (FIO2) levels at very high flow rates.
The traditional nasal cannula provides a flow rate of 2–6 L/min. However, the peak inspiratory flow rate may be much higher in patients with respiratory distress. If the patient's inspiratory flow rate is greater than the flow rate provided by the cannula, the patient will draw room air into the lungs. This will result in oxygen dilution, and the patient will not be able to get the precise amount of oxygen required. When high-flow nasal cannula (HFNC) is used for oxygen supply, its flow rate is much higher than that of traditional nasal cannula. This results in more prescribed oxygen delivery to the lungs and reduces entrainment of indoor air. The oxygen you want to deliver to the patient is not easy to produce the same dilution effect!
HFNC also works by providing some variable positive pressure. In the case of closed mouth breathing, when the pressure is measured with a pressure gauge in the posterior oropharynx, the pressure is moderate, but when the patient opens the mouth, this effect almost disappears. Despite this difference, research shows that when HFNC is applied, the functional remaining capacity (FRC) increases by approximately 25%.
Finally, when HFNC is applied, continuous high-flow oxygen flushes the anatomical dead space of the oropharynx and proximal tracheobronchial tree to improve breathing efficiency.
Benefits of High Flow Oxygen Therapy:
High-flow oxygen therapy uses a special high-flow nasal cannula (HFNC) and heated breathing circuit. Used for heating and humidifying mixed air and oxygen at high flow rates, usually set between 30 l/min and 50 l/min. This high flow can provide a more stable inhaled oxygen concentration than traditional oxygen therapy, and can also generate a certain positive end-expiratory pressure.
The HFNC system is also used to remove CO2 exhaled from oxygen-rich gas from the airway inhalation dead space. High-flow oxygen therapy can be effectively used to treat patients with mild to moderate hypoxic respiratory failure. As a preventive measure for respiratory failure after extubation, high-flow intubation has proven to be effective and is consistently better tolerated than NIV therapy.
High-flow oxygen therapy adopts nasal cannula, which is more comfortable for patients and can be used continuously for a long time. The air flow is humidified and heated in a controlled manner. This prevents drying of the mucous membranes and related disadvantages. It only requires a source of oxygen and compressed air and a heating/humidification system.
Pigeon Medical is a professional respiratory equipment suppliers, our main products include high flow nasal cannula machine, air oxygen blender, infant CPAP, Infant Resuscitator, medical air compressor, and related disposable consumables or accessories. Want to know hfnc machine priceor types of high flow nasal cannula. contact us.
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