OptiflowTM nasal high flow therapy

Proven respiratory support
 What is NHF?     Who is NHF for? 

While many terms (e.g. HFNC, high flow oxygen) describe nasal high flow therapy, one stands out. Optiflow nasal high flow therapy. 

Optiflow nasal high flow delivers respiratory support to your patients, by providing heated, humidified air and oxygen at flow rates up to 70 L/min through the unique Optiflow nasal cannula and delivered by a device such as the Airvo 2 or Airvo 3 high flow system.  

What is high-flow therapy? 
Introducing the first F&P Micro Moment!

This first episode focuses on high-flow therapy and the benefits to your patients. Watch below or jump to the second episode: "How do I set up high-flow therapy?
Once you've watch the animation jump to this FAQ for some context as to where high flow fits in to the care continuum.


Who does NHF benefit, what does the evidence tell us?
Published guidelines highlight the breadth of application of NHF.

Hundreds of randomized controlled trials have been consolidated into evidence-based clinical practice guidelines. 

These guidelines underscore the breadth of application of nasal high flow therapy.

We’ve created a table that will help you review the  guidelines by patient population and application.


Explore the NHF guidelines table

Optiflow high flow therapy FAQs

Explore our frequently asked questions regarding:

1. Clinical practice/implementaion of NHF therapy. 
2. Published evidence - the science of high-flow therapy, including the mechanisms of action and patient outcomes.  

Search Optiflow FAQs

Watch Optiflow NHF therapy in practice

Flow Matters newsletter 

Hundreds of publications per year are being consolidated into practice guidelines and providing insights into new applications of NHF therapy. 

Flow Matters keeps you up-to-date with this ever-evolving field of research. Subscribe to Flow Matters here. 
Flow matters Pediatric edition - updated Sept. 2022

Updated March 2023

Early use of NHF in infants and children

In this edition we review the literature and provide an evidence-based approach to implementation of NHF in pediatric patients.

Read now


Options for delivering Optiflow high flow therapy 

Did you know there are several ways to deliver/get the benefits of Optiflow nasal high flow therapy. 

1. You can use a dedicated, standalone device such as the Airvo Optiflow system or
2. You can use an NHF-capable mechanical ventilator. We call this a vent-driven system

See the images below and for more details download our equipment guide. 

Airvo-Optiflow high flow system

The following figure demonstrates what is required for an Airvo Optiflow system.  

Vent-driven Optiflow high flow system

The following figure demonstrates what is required to enable your NHF-capable mechanical ventilator to form part of a vent-driven Optiflow system.

Optiflow high flow interfaces

Optiflow 3S
nasal cannula interface
57% more stable*, less pressure*, side swappable.

Latest NHF interface

nasal cannula interface

Simple to fit, soft and secure.

Optiflow+ Tracheostomy interface
Optimal humidification for a bypassed airway.

Optiflow Junior 2 nasal cannula interface series
Designed for neonates, infants, and children.

Optiflow nasal high flow therapy brochure


Call us

1800 446 3908 / +1949 453 4000

or get in touch by email, using the form below 


Enquire about Optiflow nasal high flow therapy
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