510(k) Report

510(k) · Cleared

Cleared

Zquiet Mouthpiece

K093407510(k) TraditionalCleared Jun 22, 2010232-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

Sleeping Well, LLC · LRK Device, Anti-Snoring

Cleared on Jun 22, 2010 as substantially equivalent to K090503 (Sleeping Well, LLC, 2009) after a 232-day review. Its family tree reaches back 5 generations to 1989. 8 later devices descend from it.

Decided
Jun 22, 2010
Review
232 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K882303 (1989). 11 ancestors in all. 8 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 3 other ancestors1995: 1 other ancestor1993: 1 other ancestor1996: 1 other ancestor2014: 1 descendant cleared2018: 1 descendant cleared2025: 1 descendant cleared2021: 2 descendants cleared2019: 1 descendant cleared2026: 2 descendants clearedK882303 · H&M Anti-Snoring Device · Hays & Meade, Inc. · 1989K962516 · Tap Anti-Snoring Device · Nellcor Puritan Bennett, Inc. · 1996K972061 · TOA · W. Keith Thornton, D.D.S. · 1997K061688 · Anti-Snoring / Sleep Apnea Device · Tomed Dr. Toussaint GmbH · 2006K090503 · Zquiet Mouthpiece · Sleeping Well, LLC · 20091990200020102020
Other ancestors, by generationDescendants, by generation 3 generations back: 5 other ancestors4 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 4 descendants3 generations forward: 1 descendant4 generations forward: 1 descendant K090503 · Zquiet Mouthpiece · Sleeping Well, LLC · 2009K061688 · Anti-Snoring / Sleep Apnea Device · Tomed Dr. Toussaint GmbH · 2006K972061 · TOA · W. Keith Thornton, D.D.S. · 1997K962516 · Tap Anti-Snoring Device · Nellcor Puritan Bennett, Inc. · 1996K882303 · H&M Anti-Snoring Device · Hays & Meade, Inc. · 1989−50
  1. Root · 5 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
  2. 4 generations backK962516 Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc. · 1996
  3. 3 generations backK972061 TOAW. Keith Thornton, D.D.S. · 1997
  4. 2 generations backK061688 Anti-Snoring / Sleep Apnea DeviceTomed Dr. Toussaint GmbH · 2006
  5. 1 generation backK090503 Zquiet MouthpieceSleeping Well, LLC · 2009
  6. This deviceK093407 Zquiet MouthpieceSleeping Well, LLC · 2010
  7. Descendant · cites it directly · 6 of its ownK180124 ZQuietSleeping Well, LLC · 2018
  8. Descendant · 2 generations on · 3 of its ownK191618 SleepTight Mouthpiece STZMichael D Williams Dds PA · 2019
  9. Descendant · 3 generations on · 1 of its ownK252531 Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for Snorers (S1, S1M, S2)Myofunctional Research Co. · 2026
  10. Descendant · 2 generations on · 1 of its ownK201719 Vital SleepThe Snore Reliever Company, LLC · 2021
  11. Descendant · 4 generations on · 0 of its ownK261912 SnØreNegatØrDnB Innovations, LLC · 2026

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2014: 12018: 12019: 12021: 22025: 12026: 2
2014high 2 (2021) · low 0 (2015)2026

Most influential descendants

Showing 5 of 8 · See all
  • K180124ZQuietSleeping Well, LLC · 2018 · cites it directly6descendants
  • K191618SleepTight Mouthpiece STZMichael D Williams Dds PA · 2019 · 2 generations on3descendants
  • K252531Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for Snorers (S1, S1M, S2)Myofunctional Research Co. · 2026 · 3 generations on1descendant
  • K201719Vital SleepThe Snore Reliever Company, LLC · 2021 · 2 generations on1descendant
  • K261912SnØreNegatØrDnB Innovations, LLC · 2026 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K882303H&M Anti-Snoring DeviceHays & Meade, Inc.1989—
−4K962516Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc.1996—
−3K972061TOAW. Keith Thornton, D.D.S.1997—
−2K061688Anti-Snoring / Sleep Apnea DeviceTomed Dr. Toussaint GmbH2006—
−1K090503Zquiet MouthpieceSleeping Well, LLC2009—
0 (this device)K093407Zquiet MouthpieceSleeping Well, LLC2010—
+1K180124ZQuietSleeping Well, LLC2018—
+2K191618SleepTight Mouthpiece STZMichael D Williams Dds PA2019—
+3K252531Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for Snorers (S1, S1M, S2)Myofunctional Research Co.2026—
+2K201719Vital SleepThe Snore Reliever Company, LLC2021—
+4K261912SnØreNegatØrDnB Innovations, LLC2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199510
199610
200430

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
201810
201910
202120
202510
202620
FIG. 1 — Lineage of K093407, 1989–2026Source: 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 LRK? 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 LRK device

  1. #1 K252531 Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for…score 16.3 · 9 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? (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
*K090503Zquiet Mouthpiece
Summary page 1
…a)(3) Legally Marketed Equivalent Device Company Product 510(k)# Sleeping Well, LLC ZQuiet Mouthpiece K090503 DEVICE DESCRIPTION 807.92(a)(4) The ZQuiet anti-snoring device is a single piece anti-…
Sleeping Well, LLC2009—

Also cleared against K090503: 2 other devices →

What descends from it? (8)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K180124ZQuietSleeping Well, LLC20186
K140777Zquiet-SASleeping Well, LLC20140

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 21 years and passes through 5 companies; a new generation was cleared every 2.5 years on median.
  • None of the 11 ancestors has a recall.
  • Of its descendants, K180124 (Sleeping Well, LLC, 2018) has gone furthest, with 6 descendants of its own.
  • 2 other devices also cite its predicate K090503.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · LRK

14in 2025

2007: 12008: 32009: 32010: 82011: 102012: 102013: 92014: 112015: 62016: 102017: 72018: 102019: 132020: 52021: 102022: 112023: 52024: 62025: 142026 (partial year): 10
2007high 14 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LRK

107in 2025

2008: 109 days median2009: 88 days median2010: 195 days median2011: 134 days median2012: 142 days median2013: 233 days median2014: 219 days median2015: 117 days median2016: 157 days median2017: 170 days median2018: 200 days median2019: 150 days median2020: 80 days median2021: 126 days median2022: 154 days median2023: 156 days median2024: 254 days median2025: 107 days median2026 (partial year): 63 days median
2007high 254 (2024) · low 80 (2020)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LRK

1in 2025

2009: 22025: 12026 (partial year): 1
2007high 2 (2009) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · LRK

653in 2025

2008: 12009: 112010: 72011: 692012: 4452013: 722014: 492015: 282016: 182017: 322018: 612019: 562020: 242021: 492022: 402023: 502024: 1852025: 653
2007high 653 (2025) · low 0 (2007)2025

MAUDE reports naming product code LRK, 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
2008310901
2009388211
2010819507
201110134069
2012101420445
20139233072
201411219049
20156117028
201610157018
20177170032
201810200061
201913150056
2020580024
202110126049
202211154040
20235156050
202462540185
2025141071653
202610631—

What is it indicated for?

The ZQuiet mandibular advancement device is intended for the treatment of nighttime

snoring in adults 18 years or older.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K093407: Zquiet Mouthpiece.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K093407

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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