510(k) Report

510(k) · Cleared

Cleared

Genesis Sleep

K252951510(k) TraditionalCleared Dec 31, 2025106-day reviewClass II21 CFR 882.5800

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Neurofield, Inc. · QJQ Cranial Electrotherapy Stimulator To Treat Insomnia And/Or Anxiety

Cleared on Dec 31, 2025 as substantially equivalent to K230826 (Neurovalens, Ltd., 2023) after a 106-day review. Its family tree reaches back 3 generations to 1988.

Decided
Dec 31, 2025
Review
106 days
Class
Class II
Product code
QJQ
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K883812 (1988). 5 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1992: 1 other ancestor1989: 1 other ancestorK883812 · HP-1 (Healthpax) · Healthdirections, Inc. · 1988 · recalledK062284 · Ces Ultra · Neuro-Fitness, LLC · 2007 · recalledK230826 · Modius Sleep · Neurovalens, Ltd. · 20231990200020102020
Other ancestors, by generation 2 generations back: 1 other ancestor3 generations back: 1 other ancestor K230826 · Modius Sleep · Neurovalens, Ltd. · 2023K062284 · Ces Ultra · Neuro-Fitness, LLC · 2007 · recalledK883812 · HP-1 (Healthpax) · Healthdirections, Inc. · 1988 · recalled0
  1. Root · 3 generations backK883812 HP-1 (Healthpax)Healthdirections, Inc. · 1988 · Recalled
  2. 2 generations backK062284 Ces UltraNeuro-Fitness, LLC · 2007 · Recalled
  3. 1 generation backK230826 Modius SleepNeurovalens, Ltd. · 2023
  4. This deviceK252951 Genesis SleepNeurofield, Inc. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K883812HP-1 (Healthpax)Healthdirections, Inc.19881
−2K062284Ces UltraNeuro-Fitness, LLC20071
−1K230826Modius SleepNeurovalens, Ltd.2023—
0 (this device)K252951Genesis SleepNeurofield, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199210
FIG. 1 — Lineage of K252951, 1988–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) 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 QJQ? 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 QJQ device

  1. #1 K230826 Modius Sleepscore 9.5 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K230826Modius Sleep
Summary page 5
…ame: Cranial Electrotherapy Stimulator To Treat Insomnia And/Or Anxiety Regulation Number: 882.5800 Product Code: QJQ Legally Marketed Predicate Devices 510(k) Number: K230826 Device Name: Modius Sleep Product Code: QJQ Device Description Summary Genesis Sleep is a non-invasive transdermal neurostimula…
Neurovalens, Ltd.2023—

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.

What does this lineage say?

  • The line of descent spans 37 years and passes through 4 companies; a new generation was cleared every 16.6 years on median.
  • 2 of the 5 ancestors have a recall of any class.

How does its category compare?

All QJQ devices

QJQ Cranial Electrotherapy Stimulator To Treat Insomnia And/Or Anxiety: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · QJQ

1in 2025

2007: 12008: 12009: 12019: 12023: 12024: 12025: 1
2007high 1 (2007) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QJQ

Too few QJQ 510(k)s in any year since 2007 to give a median.

Recalls per year · QJQ

No recall names QJQ since 2007.

Adverse event reports per year · QJQ

39in 2023

2023: 39
2007high 39 (2023) · low 0 (2007)2025

MAUDE reports naming product code QJQ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—00
20081—00
20091—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20191—00
20200—00
20210—00
20220—00
20231—039
20241—00
20251—00
20260—0—

What is it indicated for?

Genesis Sleep is a non-invasive, clinical- and home-use neurostimulation device that is indicated to treat chronic insomnia in adults aged 22 and older.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K252951: Genesis Sleep.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K252951

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026