De Novo · Granted
GrantedNTX100 Tonic Motor Activation (NTX100 ToMAc) System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Noctrix Health, Inc. · QWD Stimulator, Nerve, For Restless Legs Syndrome
Granted on Apr 17, 2023 as a new device type through De Novo after a 208-day review.
- Decided
- Apr 17, 2023
- Review
- 208 days
- Class
- Class II
- Product code
- QWD
- 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 QWD? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
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 QWD devicesQWD Stimulator, Nerve, For Restless Legs Syndrome: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · QWD
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · QWD
Too few QWD 510(k)s in any year since 2007 to give a median.
Recalls per year · QWD
No recall names QWD since 2007.
Adverse event reports per year · QWD
2in 2025
MAUDE reports naming product code QWD, 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 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 2 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The NTX100 Tonic Motor Activation (ToMAc) System is intended to reduce symptoms of primary moderate-severe Restless Leg Syndrome and to improve sleep quality in adults refractory to medications.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/DEN220059 · printed Nov 6, 2026
Cite this page
510(k) Report. “DEN220059: NTX100 Tonic Motor Activation (NTX100 ToMAc) System.” Lineage record from FDA De Novo data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/DEN220059
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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