Nasal Cannula for Oxygen Therapy


Nasal Cannulae are simple to use and emphasise patient convenience. They provide entrainment of ambient air through the nostrils.

The FiO2 achieved is proportional to:

  • A) The flow rate of oxygen 
  • B) The patients tidal volume and inspiratory flow rate
  • C) The volume of the nasal pharynx

At an oxygen flow rate of 2 l/min the oxygen concentration in the hypopharynx of a resting person is approx 28%, at 4 l/min it is 36%. 

The Nasal Cannula prevents rebreathing and is comfortable for long periods of time.

There is increased patient compliance with the nasal cannula as patients are able to speak, eat or drink. 

  • Designed for patients needing long term oxygen therapy or when a mask is too intrusive
  • Comes with integrated tubing
  • 1.8m tubing length
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