De Novo · Granted
GrantedeXciteOSA with remote and eXciteOSA without remote
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Signifier Medical Technologies · QNO Neuromuscular Tongue Muscle Stimulator For The Reduction Of Snoring And Obstructive Sleep Apnea
Granted on Feb 5, 2021 as a new device type through De Novo after a 318-day review.
- Decided
- Feb 5, 2021
- Review
- 318 days
- Class
- Class II
- Product code
- QNO
- Recalls
- None
De Novo grants create a new device type without a predicate, so this family tree starts here.
Sources: FDA De Novo database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in QNO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new QNO device
- #1 K240328 eXciteOSA without remote control (3000)…score 7.3 · 1 generation · no Class I recall
Does it have a predicate?
De Novo decisions do not claim a predicate device.
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
How does its category compare?
All QNO devicesQNO Neuromuscular Tongue Muscle Stimulator For The Reduction Of Snoring And Obstructive Sleep Apnea: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.
FDA decisions per year · QNO
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · QNO
Too few QNO 510(k)s in any year since 2007 to give a median.
Recalls per year · QNO
No recall names QNO since 2007.
Adverse event reports per year · QNO
1in 2025
MAUDE reports naming product code QNO, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 1 | — | 0 | 3 |
| 2022 | 0 | — | 0 | 3 |
| 2023 | 1 | — | 0 | 3 |
| 2024 | 1 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 1 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
eXciteOSA is a removable tongue muscle stimulation device that delivers neuromuscular stimulation to the tongue in order to reduce snoring and mild obstructive sleep apnea (AHI<15) for patients that are 18 years or older.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/DEN200018 · printed Nov 6, 2026
Cite this page
510(k) Report. “DEN200018: eXciteOSA with remote and eXciteOSA without remote.” Lineage record from FDA De Novo data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/DEN200018
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026