Nasal Cannula High Flow Oxygen Devices

High flow oxygen therapy systems used in the hospital environment usually consist of a blender used with or without oxygen from a wall outlet humidifier heated tubing and nasal cannula.

Nasal cannula high flow oxygen devices.

High flow nasal cannula oxygen therapy for infants with bronchiolitis. Some of you have asked what i mean every time i post something regarding high flow nasal cannula. Sztrymf b messika j bertrand f hurel d leon r dreyfuss d et al. The system provides a high flow of heated humidified air to the patient via the nasal cannula.

Blends oxygen and air delivers heated and humidified air oxygen mix built in blower airblend hf60l can reach flow rates of up to 60 liters per minute humidification and warming with 5 level digital control easy to use. It actually takes gas and can heat it to 37 o c with a 100 relative humidity and can deliver 0 21 1 00 fi02 at flow rates of up to 60 liters min. A prospective pilot study. Beneficial effects of humidified high flow nasal oxygen in critical care patients.

Alveolar oxygen delivery depends on supplemental oxygen flow rate the fraction of inspired oxygen f i o 2 delivered in supplemental flow the device s interface with the patient and inspiratory demand 1 2 conventional low flow devices e g nasal cannula or simple face mask provide 100 f i o 2 at a maximum of 15 liters per minute. Regular nasal cannula provides between 1 6 liters of flow. Heated humidified high flow hhhf therapy often also high flow nasal cannula e hfnc or high flow nasal oxygen hfno is a type of respiratory support method that delivers a high flow liters per minute of medical gas to a patient through an interface nasal cannulae intended to create a wash out of the upper airway the applied gas is heated to best match human body temperature 37 c. The gas is heated and humidified through an active heated humidifier and is delivered via a single limb heated inspiratory circuit.

Let s start by defining the flow in the different oxygen devices. Heat and humidified high flow nasal cannula or as most call it hi flow nasal cannula hfnc isn t just a standard nasal cannula cranked up to very high flow rates. Peters s holets s gay p. Basic setup for high flow nasal cannula oxygen delivery.

An air oxygen blender which allows f io 2 from 0 21 to 1 0 generates up to 60 l min flow. Pilot study journal of paediatrics. The hfnc device is an open circuit system consisting of a flow generator air oxygen blender turbine or venturi mask an active heated humidifier and a single heated noncondensing circuit the circuit is connected to a silicone nasal cannula of different sizes to fit the patient s nostrils. High flow nasal cannula therapy in do not intubated patients with hypoxemic respiratory distress.

High flow nasal cannula oxygen therapy in adults. May vol 50 5 pp373 378 mckieman c chua l c visintainer p.