510(k) Report

510(k) · Cleared

Cleared

Rest Assure System

K233497510(k) TraditionalCleared Oct 3, 2024338-day reviewClass II21 CFR 872.5570

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

Somnomed, Inc. · PLC Sleep Appliances With Patient Monitoring

Cleared on Oct 3, 2024 as substantially equivalent to K150369 (Somnomed, Inc., 2015) and 1 other predicate after a 338-day review. Its family tree reaches back 9 generations to 1989.

Decided
Oct 3, 2024
Review
338 days
Class
Class II
Product code
PLC
Recalls
None
Predicates
2

Its longest line of descent runs back 9 generations to K882303 (1989). 11 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 9 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
  2. 5 generations between
  3. 3 generations backK130558 Somnodent Herbst; Classic, FlexSomnomed, Inc. · 2013
  4. 2 generations backK140278 Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc. · 2014
  5. 1 generation backK150369 SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with…Somnomed, Inc. · 2015
  6. This deviceK233497 Rest Assure SystemSomnomed, Inc. · 2024
Show all 9 generations
  1. Root · 9 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
  2. 8 generations backK962516 Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc. · 1996
  3. 7 generations backK042161 Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd. · 2004
  4. 6 generations backK050592 Somnomed Mas RxaSomnomed, Ltd. · 2005
  5. 5 generations backK073004 Somnomed BflexSomnomed, Inc. · 2008
  6. 4 generations backK121340 Somnodent G2Somnomed, Inc. · 2012
  7. 3 generations backK130558 Somnodent Herbst; Classic, FlexSomnomed, Inc. · 2013
  8. 2 generations backK140278 Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc. · 2014
  9. 1 generation backK150369 SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with…Somnomed, Inc. · 2015
  10. This deviceK233497 Rest Assure SystemSomnomed, Inc. · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K882303H&M Anti-Snoring DeviceHays & Meade, Inc.1989—
−8K962516Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc.1996—
−7K042161Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd.2004—
−6K050592Somnomed Mas RxaSomnomed, Ltd.2005—
−5K073004Somnomed BflexSomnomed, Inc.2008—
−4K121340Somnodent G2Somnomed, Inc.2012—
−3K130558Somnodent Herbst; Classic, FlexSomnomed, Inc.2013—
−2K140278Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc.2014—
−1K150369SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with DentiTrac…Somnomed, Inc.2015—
0 (this device)K233497Rest Assure SystemSomnomed, Inc.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
201910
FIG. 1 — Lineage of K233497, 1989–2024Source: 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 PLC? 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 PLC device

  1. #1 K252765 ProSomnus RPMO2 OSA Device (RPMO2 OSA)score 17.1 · 11 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (2)

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
*K150369SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with DentiTrac…
Summary page 5
…acturer Document Predicates Number Rest Assure SomnoDent® Herbst Advance SomnoMed, K150369 System Appliance with Micro- Inc. SomnoDent® Recorder with Micro- Recorder…
Somnomed, Inc.2015—
*K183443SomnoDent Avant
Summary page 5
…iance with Micro- Inc. SomnoDent® Recorder with Micro- Recorder SomnoDent® Avant K183443 The Rest Assure System is substantially equivalent to the SomnoDent® Herbst Advance Appliance with the Micro-Record…
Somnomed, Inc.2019—

Also cleared against K150369: 4 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?

  • The line of descent spans 35 years and passes through 5 companies; a new generation was cleared every 2.6 years on median.
  • None of the 11 ancestors has a recall.
  • 4 other devices also cite its predicate K150369.

How does its category compare?

All PLC devices

PLC Sleep Appliances With Patient Monitoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · PLC

1in 2024

2015: 12016: 22017: 22019: 12020: 12024: 12026 (partial year): 2
2007high 2 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PLC

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

Recalls per year · PLC

No recall names PLC since 2007.

Adverse event reports per year · PLC

1in 2023

2016: 12017: 12020: 12023: 1
2007high 1 (2016) · low 0 (2007)2025

MAUDE reports naming product code PLC, 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—00
20110—00
20120—00
20130—00
20140—00
20151—00
20162—01
20172—01
20180—00
20191—00
20201—01
20210—00
20220—00
20230—01
20241—00
20250—00
20262—0—

What is it indicated for?

Rest Assure is an intraoral device intended to be used in the treatment of snoring and mild to moderate obstructive sleep apnea in patients over 18. Rest Assure has the capability to record and monitor patient compliance to oral device/appliance therapy.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233497: Rest Assure System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K233497

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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