Asymmetric interface.

High flow therapy – enhanced. 


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An evolution in our understanding of high flow therapy over two decades has resulted in the Asymmetric™ F&P Optiflow Duet interface.

Using our Asymmetric design, i.e., both a small and large prong, we can amplify key mechanisms of action to not only deliver but enhance high flow therapy.1   

Asymmetry… a story of evolutionary advantage 
 
Just as F&P Optiflow™ Duet capitalizes on unexpected design, these critters have evolved to embrace asymmetry as their superpower.

Fist pump for the lemon-yellow fiddler crab –he's a lover AND a fighter.  

Perfectly imperfect, the cockeyed squid has mastered the art of seeing in two places at once.  

Asymmetric interface. 

High flow therapy – enhanced.

The Asymmetric design provides greater total occlusion which increases pressure.1

1. Tatkov S, et al. J Appl Physiol. 2023; 134(2):365-377

Dead space clearance is increased by creating unidirectional flow which purges expired gas.1

1. Tatkov S, et al. J Appl Physiol. 2023; 134(2):365-377

Pressure.1 Dead Space Clearance.1 Comfort.2

This short video explains the key mechanisms of action of high flow, driven by flow and humidification.

Why is the reduction of dead space so important?

Learn a bit more about one of the least understood nasal high flow mechanisms of action.

The Optiflow Duet interface range

Small OPT962

Medium OPT964

Large OPT966

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F&P, Asymmetric and Optiflow are trademarks of Fisher & Paykel Healthcare Limited. For patent information, see www.fphcare.com/ip