Introducing Optiflow+ Duet, an interface for asymmetric nasal high flow therapy.

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An asymmetric^TM nasal high flow interface

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Introducing asymmetric high flow therapy.
We've used an innovative cannula design to enhance key mechanisms of Optiflow^TM nasal high flow therapy.

The result.
A cannula proven to increase CO₂ clearance and pressure and reduce work of breathing.^{1, 2}

The Optiflow+ Duet interface research explained

Watch Duet increase dead space clearance

The asymmetric design increases dead space clearance by creating unidirectional flow which purges expired gas^₁.

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

Increases pressure

The asymmetric design provides greater total occlusion
which increases pressure¹.

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

Reduces work of breathing

Asymmetric nasal high flow therapy has been proven to reduce the work of breathing and minute ventilation in adult ICU patients with acute hypoxemic respiratory failure¹.

*Adapted from Slobod D, et al. 2023.
1. Slobod D, et al. Crit Care 2023;27:145. A cross over study with 10 adult patients. (study infographic)

Support resources

Product codes

Code	Product	Quantity
OPT962	Optiflow+ Duet asymmetric nasal high flow interface, small	20/box
OPT964	Optiflow+ Duet asymmetric nasal high flow interface, medium	20/box
OPT966	Optiflow+ Duet asymmetric nasal high flow interface, large	20/box

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

DPM-1196_b

An asymmetricTM nasal high flow interface

Introducing asymmetric high flow therapy. We've used an innovative cannula design to enhance key mechanisms of OptiflowTM nasal high flow therapy.

The result. A cannula proven to increase CO2 clearance and pressure and reduce work of breathing.1, 2