HNS was approved by the U.S. Food and Drug Administration in 2014 as a treatment option for patients with moderate to severe OSA who cannot tolerate CPAP.
![](https://www.enttoday.org/wp-content/uploads/2016/09/ENT_0916_pg6a.png)
HNS was approved by the U.S. Food and Drug Administration in 2014 as a treatment option for patients with moderate to severe OSA who cannot tolerate CPAP.