510(k) Report

510(k) · Cleared

Cleared

Somnowell Mandibular Advancement Appliance (MAA)

K150941510(k) TraditionalCleared May 22, 201544-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

Somnowell, Ltd. · LRK Device, Anti-Snoring

Cleared on May 22, 2015 as substantially equivalent to K113516 (Family Dental Services, P.C., 2013) after a 44-day review. Its family tree reaches back 5 generations to 1989.

Decided
May 22, 2015
Review
44 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, the oldest K880956 (1988). No later device cites it as a predicate yet.

  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 backK042161 Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd. · 2004
  4. 2 generations backK050592 Somnomed Mas RxaSomnomed, Ltd. · 2005
  5. 1 generation backK113516 Therasom-CastFamily Dental Services, P.C. · 2013
  6. This deviceK150941 Somnowell Mandibular Advancement Appliance (MAA)Somnowell, Ltd. · 2015
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—
−3K042161Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd.2004—
−2K050592Somnomed Mas RxaSomnomed, Ltd.2005—
−1K113516Therasom-CastFamily Dental Services, P.C.2013—
0 (this device)K150941Somnowell Mandibular Advancement Appliance (MAA)Somnowell, Ltd.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
199010
199310
199510
199610
199710
FIG. 1 — Lineage of K150941, 1989–2015Source: 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
*K113516Therasom-Cast
Summary page 5
…arketed Predicate Devices : Page 1  The Somnowell Mandibular Advancement Appliance (Somnowell MAA) is substantially equivalent to K113516 TheraSom-CAST; in terms of intended use, indication for use, technological characteristics and performance. T…
Family Dental Services, P.C.2013—
†K970205Vitallium 2000 Alloy; Vitallium 2000 Plus Alloy; Cobalt Chrome Casting AlloyAustenal, Inc.1997—
†K130558Somnodent Herbst; Classic, FlexSomnomed, Inc.2013—

Also cleared against K113516: 1 other 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.

What does this lineage say?

  • The line of descent spans 26 years and passes through 6 companies; a new generation was cleared every 7.4 years on median.
  • None of the 11 ancestors has a recall.
  • 1 other device also cites its predicate K113516.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, 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 Somnowell Mandibular Advancement Appliance (Somnowell MAA) is intended for the treatment of night time snoring and mild to moderate obstructive sleep apnea (OSA) in patients 18 years of age or older.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K150941: Somnowell Mandibular Advancement Appliance (MAA).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K150941

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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