510(k) Report

510(k) · Cleared

Cleared

Somnodent Herbst; Classic, Flex

K130558510(k) SpecialCleared May 17, 201374-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. · LRK Device, Anti-Snoring

Cleared on May 17, 2013 as substantially equivalent to K050592 (Somnomed, Ltd., 2005) and 2 other predicates after a 74-day review. Its family tree reaches back 6 generations to 1989. 16 later devices descend from it.

Decided
May 17, 2013
Review
74 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
3

Its longest line of descent runs back 6 generations to K882303 (1989). 7 ancestors in all. 16 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1993: 1 other ancestor2014: 1 descendant cleared2015: 2 descendants cleared2016: 3 descendants cleared2017: 3 descendants cleared2024: 1 descendant cleared2020: 2 descendants cleared2023: 1 descendant cleared2019: 1 descendant cleared2026: 2 descendants clearedK882303 · H&M Anti-Snoring Device · Hays & Meade, Inc. · 1989K962516 · Tap Anti-Snoring Device · Nellcor Puritan Bennett, Inc. · 1996K042161 · Anti-Snoring/Sleep Apnea Device · Rj & VK Bird Pty, Ltd. · 2004K050592 · Somnomed Mas Rxa · Somnomed, Ltd. · 2005K073004 · Somnomed Bflex · Somnomed, Inc. · 2008K121340 · Somnodent G2 · Somnomed, Inc. · 20121990200020102020
Other ancestors, by generationDescendants, by generation 4 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 5 descendants4 generations forward: 4 descendants5 generations forward: 2 descendants6 generations forward: 1 descendant K121340 · Somnodent G2 · Somnomed, Inc. · 2012K073004 · Somnomed Bflex · Somnomed, Inc. · 2008K050592 · Somnomed Mas Rxa · Somnomed, Ltd. · 2005K042161 · Anti-Snoring/Sleep Apnea Device · Rj & VK Bird Pty, Ltd. · 2004K962516 · Tap Anti-Snoring Device · Nellcor Puritan Bennett, Inc. · 1996K882303 · H&M Anti-Snoring Device · Hays & Meade, Inc. · 1989−50+5
  1. Root · 6 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
  2. 5 generations backK962516 Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc. · 1996
  3. 4 generations backK042161 Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd. · 2004
  4. 3 generations backK050592 Somnomed Mas RxaSomnomed, Ltd. · 2005
  5. 2 generations backK073004 Somnomed BflexSomnomed, Inc. · 2008
  6. 1 generation backK121340 Somnodent G2Somnomed, Inc. · 2012
  7. This deviceK130558 Somnodent Herbst; Classic, FlexSomnomed, Inc. · 2013
  8. Descendant · cites it directly · 14 of its ownK140278 Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc. · 2014
  9. Descendant · 2 generations on · 12 of its ownK150369 SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with…Somnomed, Inc. · 2015
  10. Descendant · 3 generations on · 5 of its ownK161624 MicrO2 OSA Device with Micro-RecorderMicrodental, Inc. · 2016
  11. Descendant · 4 generations on · 2 of its ownK202529 ProSomnus EVO Sleep and Snore Device, ProSomnus EVO Sleep and Snore…Prosomnus Sleep Technologies, Inc. · 2020
  12. Descendant · 3 generations on · 2 of its ownK170692 Respire Pink Series with DentiTracRespire Medical Holding · 2017

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

2014: 12015: 22016: 32017: 32019: 12020: 22023: 12024: 12026: 2
2014high 3 (2016) · low 0 (2018)2026

Most influential descendants

Showing 5 of 16 · See all
  • K140278Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc. · 2014 · cites it directly14descendants
  • K150369SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with DentiTrac…Somnomed, Inc. · 2015 · 2 generations on12descendants
  • K161624MicrO2 OSA Device with Micro-RecorderMicrodental, Inc. · 2016 · 3 generations on5descendants
  • K202529ProSomnus EVO Sleep and Snore Device, ProSomnus EVO Sleep and Snore Device with Patient…Prosomnus Sleep Technologies, Inc. · 2020 · 4 generations on2descendants
  • K170692Respire Pink Series with DentiTracRespire Medical Holding · 2017 · 3 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K882303H&M Anti-Snoring DeviceHays & Meade, Inc.1989—
−5K962516Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc.1996—
−4K042161Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd.2004—
−3K050592Somnomed Mas RxaSomnomed, Ltd.2005—
−2K073004Somnomed BflexSomnomed, Inc.2008—
−1K121340Somnodent G2Somnomed, Inc.2012—
0 (this device)K130558Somnodent Herbst; Classic, FlexSomnomed, Inc.2013—
+1K140278Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc.2014—
+2K150369SomnoDent Classic with DentiTrac Micro-recorder, SomnoDent Flex with DentiTrac…Somnomed, Inc.2015—
+3K161624MicrO2 OSA Device with Micro-RecorderMicrodental, Inc.2016—
+4K202529ProSomnus EVO Sleep and Snore Device, ProSomnus EVO Sleep and Snore Device…Prosomnus Sleep Technologies, Inc.2020—
+3K170692Respire Pink Series with DentiTracRespire Medical Holding2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
201520
201630
201730
201910
202020
202310
202410
202620
FIG. 1 — Lineage of K130558, 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? (3)

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
*K050592Somnomed Mas Rxa
Summary page 1
…ring Regulation Number: 21 CFR 872.5570 Product Code: LRK Class: 11 Panel: Dental Predicate Devices: K050592, SomnoDent Classic K073004, SomnoDent Flex K1 21340, SomnoDent G2 Descripti…
Somnomed, Ltd.2005—
*K073004Somnomed Bflex
Summary page 1
…t Code: LRK Class: 11 Panel: Dental Predicate Devices: K050592, SomnoDent Classic K073004, SomnoDent Flex K1 21340, SomnoDent G2 Description of the device: The Somnooent Herbst is an intraoral…
Somnomed, Inc.2008—
*K121340Somnodent G2
Summary page 1
…11 Panel: Dental Predicate Devices: K050592, SomnoDent Classic K073004, SomnoDent Flex K1 21340, SomnoDent G2 Description of the device: The Somnooent Herbst is an intraoral device intended for the treatment of nighttime snor…
Somnomed, Inc.2012—

Also cleared against K050592: 16 other devices →

What descends from it? (16)

See all 16

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

NumberDeviceApplicantDecidedDescendants
K140278Somnodent Fusion, Classic; Somnodent Fusion, FlexSomnomed, Inc.201414
K152159Oravan HerbstOravanosa, LLC20150

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 24 years and passes through 5 companies; a new generation was cleared every 4.3 years on median.
  • None of the 7 ancestors has a recall.
  • Of its descendants, K140278 (Somnomed, Inc., 2014) has gone furthest, with 14 descendants of its own.
  • 16 other devices also cite its predicate K050592.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, 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 SomnoDent Herbst is intended for the treatment of nighttime snoring and mild to moderate obstructive sleep apnea in patients 18 years of age or older.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K130558: Somnodent Herbst; Classic, Flex.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K130558

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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