510(k) Report

510(k) · Cleared

Cleared

The Suad Device

K023836510(k) AbbreviatedCleared Jul 8, 2003232-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

Strong Dental, Inc. · LRK Device, Anti-Snoring

Cleared on Jul 8, 2003 as substantially equivalent to K955822 (Univ. Dental Assoc. Department of Orthodontics, 1996) after a 232-day review. Its family tree reaches back 1 generation to 1996. 11 later devices descend from it.

Decided
Jul 8, 2003
Review
232 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K955822 (1996). 11 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2014: 2 descendants cleared2006: 2 descendants cleared2013: 1 descendant cleared2023: 1 descendant cleared2015: 1 descendant cleared2017: 1 descendant cleared2020: 2 descendants cleared2022: 1 descendant clearedK955822 · Removable Herbst Appliance · Univ. Dental Assoc. Department of Orthodontics · 19961995200020052010201520202025
Descendants, by generation 1 generation forward: 4 descendants2 generations forward: 4 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant K955822 · Removable Herbst Appliance · Univ. Dental Assoc. Department of Orthodontics · 19960
  1. Root · 1 generation backK955822 Removable Herbst ApplianceUniv. Dental Assoc. Department of Orthodontics · 1996
  2. This deviceK023836 The Suad DeviceStrong Dental, Inc. · 2003
  3. Descendant · cites it directly · 7 of its ownK131138 Respire Pink Series - HerbstRespire Medical · 2013
  4. Descendant · 2 generations on · 5 of its ownK150572 Respire Pink Series-Herbst-EFRespire Medical Holding · 2015 · Recalled
  5. Descendant · 2 generations on · 2 of its ownK170692 Respire Pink Series with DentiTracRespire Medical Holding · 2017
  6. Descendant · 3 generations on · 1 of its ownK192127 Respire Pink AT (Hard, Hard/Soft, EF)Respire Medical Holdings · 2020
  7. Descendant · 2 generations on · 0 of its ownK223624 Emerald HerbstIsland Dental Lab, Inc Dba Emerald Dental · 2023

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2006: 22013: 12014: 22015: 12017: 12020: 22022: 12023: 1
2006high 2 (2006) · low 0 (2007)2026

Most influential descendants

Showing 5 of 11 · See all
  • K131138Respire Pink Series - HerbstRespire Medical · 2013 · cites it directly7descendants
  • K150572Respire Pink Series-Herbst-EFRespire Medical Holding · 2015 · 2 generations on5descendants
  • K170692Respire Pink Series with DentiTracRespire Medical Holding · 2017 · 2 generations on2descendants
  • K192127Respire Pink AT (Hard, Hard/Soft, EF)Respire Medical Holdings · 2020 · 3 generations on1descendant
  • K223624Emerald HerbstIsland Dental Lab, Inc Dba Emerald Dental · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K955822Removable Herbst ApplianceUniv. Dental Assoc. Department of Orthodontics1996—
0 (this device)K023836The Suad DeviceStrong Dental, Inc.2003—
+1K131138Respire Pink Series - HerbstRespire Medical2013—
+2K150572Respire Pink Series-Herbst-EFRespire Medical Holding20153
+2K170692Respire Pink Series with DentiTracRespire Medical Holding2017—
+3K192127Respire Pink AT (Hard, Hard/Soft, EF)Respire Medical Holdings2020—
+2K223624Emerald HerbstIsland Dental Lab, Inc Dba Emerald Dental2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200620
201310
201420
201510
201710
202020
202210
202310
FIG. 1 — Lineage of K023836, 1996–2023Source: 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
*K955822Removable Herbst Appliance
Summary page 1
…le Herbst Appliance is the predicate device for the SUAD'" Device, having all the same functional characteristics, The Removable Herbst Appliance (510(k) K955822)is a custom-fitted mandibular device that allows patienrs to move their jaw laterally and vertically without disengaging…
Univ. Dental Assoc. Department of Orthodontics1996—

What descends from it? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K131138Respire Pink Series - HerbstRespire Medical20137
K140435Medley GoldAmerican Dental Sleep Medicine, Ip, LLC20140
K060795SomnofitStrategic Counsel Sarl20060
K060744O'brien Mpa (Mandibular Positioning Applicance)O'Brien Dental Lab, Inc.20060

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.
  • Of its descendants, K131138 (Respire Medical, 2013) has gone furthest, with 7 descendants of its own.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years.

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?

A custom-fitted mandibular repositioning device intended to reduce or alleviate

nighttime snoring and obstructive sleep apnea.

Contraindications:

The device is contraindicated for patients who:

Have central sleep apnea

Have severe respiratory disorders

Have an edentulous arch

Have loose teeth or advanced periodontal disease

Are under 18 years of age.

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. “K023836: The Suad Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K023836

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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