510(k) Report

510(k) · Cleared

Cleared

TMJ Relax

K202523510(k) TraditionalCleared Jun 24, 2021296-day reviewClass U

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

Moonwalker Innovations, Inc. · OCO Mouthguard, Migraine/Tension Headache

Cleared on Jun 24, 2021 as substantially equivalent to K010876 (Nti-Tss, Inc., 2001) after a 296-day review. Its family tree reaches back 1 generation to 2001.

Decided
Jun 24, 2021
Review
296 days
Class
Class U
Product code
OCO
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K010876 (2001). No later device cites it as a predicate yet.

K010876 · Nti Tension Suppression System · Nti-Tss, Inc. · 20010
  1. Root · 1 generation backK010876 Nti Tension Suppression SystemNti-Tss, Inc. · 2001
  2. This deviceK202523 TMJ RelaxMoonwalker Innovations, Inc. · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K010876Nti Tension Suppression SystemNti-Tss, Inc.2001—
0 (this device)K202523TMJ RelaxMoonwalker Innovations, Inc.2021—
FIG. 1 — Lineage of K202523, 2001–2021Source: 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.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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
*K010876Nti Tension Suppression System
Summary page 4
…e Class: Unclassified Device Use: RX Classification Panel: Dental 5. Legally Marketed Predicate Device(s) Primary Predicate: NTI-TSS NTI Tension Suppression System (#K010876) Reference Device: The Luco Hybrid OSA Appliance (#K160477) 6. Device Description TMJ RelaxTM is durable medical equipment i…
Nti-Tss, Inc.2001—
†K160477The Luco Hybrid OSA ApplianceLuco Hybrid Osa Appliance, Inc.2016—

Also cleared against K010876: 5 other devices →

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?

  • Its one ancestor has no recall.
  • 5 other devices also cite its predicate K010876.

How does its category compare?

All OCO devices

OCO Mouthguard, Migraine/Tension Headache: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · OCO

1in 2021

2016: 12021: 1
2007high 1 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OCO

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

Recalls per year · OCO

No recall names OCO since 2007.

Adverse event reports per year · OCO

5in 2023

2010: 12013: 12015: 12021: 22023: 5
2007high 5 (2023) · low 0 (2007)2025

MAUDE reports naming product code OCO, 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
20070—00
20080—00
20090—00
20100—01
20110—00
20120—00
20130—01
20140—00
20150—01
20161—00
20170—00
20180—00
20190—00
20200—00
20211—02
20220—00
20230—05
20240—00
20250—00
20260—0—

What is it indicated for?

A device to be used in the prophylactic treatment of medically diagnosed migraine pain as well as migraine associated tension-type headaches, by reducing their signs and symptoms through reduction of trigeminally innervated muscular activity, and;

For the prevention of bruxism and TMJ syndrome through reduction of trigeminally innervated muscular activity

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K202523: TMJ Relax.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K202523

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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