510(k) Report

510(k) · Cleared

Cleared

Oasys-Oral Airway System

K030440510(k) AbbreviatedCleared Aug 26, 2003196-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

Mark Abramson, D.D.S., Inc. · LRK Device, Anti-Snoring

Cleared on Aug 26, 2003 as substantially equivalent to K972061 (W. Keith Thornton, D.D.S., 1997) and 4 other predicates after a 196-day review. Its family tree reaches back 4 generations to 1989. 65 later devices descend from it.

Decided
Aug 26, 2003
Review
196 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
6

Its longest line of descent runs back 4 generations to K882303 (1989). 8 ancestors in all. 65 later devices descend from it, 6 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1999: 1 other ancestor1997: 1 other ancestor1996: 1 other ancestor1993: 1 other ancestor2011: 5 descendants cleared2005: 1 descendant cleared2012: 5 descendants cleared2006: 4 descendants cleared2008: 1 descendant cleared2021: 3 descendants cleared2010: 1 descendant cleared2009: 2 descendants cleared2013: 5 descendants cleared2015: 3 descendants cleared2014: 3 descendants cleared2025: 4 descendants cleared2016: 2 descendants cleared2018: 2 descendants cleared2020: 6 descendants cleared2023: 4 descendants cleared2017: 4 descendants cleared2019: 2 descendants cleared2022: 3 descendants cleared2024: 3 descendants 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. · 1997K022891 · The Breathe EZ Anti-Snoring Device · D&S Redhage · 20031990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 2 other ancestors 1 generation forward: 6 descendants2 generations forward: 12 descendants3 generations forward: 14 descendants4 generations forward: 11 descendants5 generations forward: 10 descendants6 generations forward: 4 descendants7 generations forward: 5 descendants8 generations forward: 3 descendants K022891 · The Breathe EZ Anti-Snoring Device · D&S Redhage · 2003K972061 · 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. · 19890+5
  1. Root · 4 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
  2. 3 generations backK962516 Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc. · 1996
  3. 2 generations backK972061 TOAW. Keith Thornton, D.D.S. · 1997
  4. 1 generation backK022891 The Breathe EZ Anti-Snoring DeviceD&S Redhage · 2003
  5. This deviceK030440 Oasys-Oral Airway SystemMark Abramson, D.D.S., Inc. · 2003
  6. Descendant · cites it directly · 51 of its ownK060388 Tap II Anti-Snoring and Obstructive Sleep Apnea Oral Appliance with…Airway Management, Inc. · 2006
  7. Descendant · 2 generations on · 32 of its ownK061732 TAP-TAirway Management, Inc. · 2006
  8. Descendant · 3 generations on · 29 of its ownK103076 DynaflexDyna Flex · 2011
  9. Descendant · 4 generations on · 17 of its ownK130130 Atg/SM-Osa AppliancesSelane Products, Inc. · 2013
  10. Descendant · 2 generations on · 15 of its ownK062951 Tap Iii Anti-Snoring DeviceAirway Management, Inc. · 2006

Showing 5 of 65 descendants. See all descendants

Descendants cleared per year

2005: 12006: 42008: 12009: 22010: 12011: 52012: 52013: 52014: 32015: 32016: 22017: 42018: 22019: 22020: 62021: 32022: 32023: 42024: 32025: 42026: 2
2005high 6 (2020) · low 0 (2007)2026

Most influential descendants

Showing 5 of 65 · See all
  • K060388Tap II Anti-Snoring and Obstructive Sleep Apnea Oral Appliance with AttachmentAirway Management, Inc. · 2006 · cites it directly51descendants
  • K061732TAP-TAirway Management, Inc. · 2006 · 2 generations on32descendants
  • K103076DynaflexDyna Flex · 2011 · 3 generations on29descendants
  • K130130Atg/SM-Osa AppliancesSelane Products, Inc. · 2013 · 4 generations on17descendants
  • K062951Tap Iii Anti-Snoring DeviceAirway Management, Inc. · 2006 · 2 generations on15descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K882303H&M Anti-Snoring DeviceHays & Meade, Inc.1989—
−3K962516Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc.1996—
−2K972061TOAW. Keith Thornton, D.D.S.1997—
−1K022891The Breathe EZ Anti-Snoring DeviceD&S Redhage2003—
0 (this device)K030440Oasys-Oral Airway SystemMark Abramson, D.D.S., Inc.2003—
+1K060388Tap II Anti-Snoring and Obstructive Sleep Apnea Oral Appliance with AttachmentAirway Management, Inc.2006—
+2K061732TAP-TAirway Management, Inc.2006—
+3K103076DynaflexDyna Flex2011—
+4K130130Atg/SM-Osa AppliancesSelane Products, Inc.2013—
+2K062951Tap Iii Anti-Snoring DeviceAirway Management, Inc.2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199610
199710
199910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200640
200810
200920
201010
201150
201250
201350
201430
201530
201620
201740
201820
201920
202060
202130
202230
202340
202430
202540
202620
FIG. 1 — Lineage of K030440, 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
Get a 510(k) Report

What was it cleared against? (6)

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; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.

TypeNumberDeviceApplicantDecidedRecalls
*K972061TOA
Summary page 1
…Oral Appliance - anti-snoring device Device: OASYS -Oral Airway System Predicate Devices: Dr. Keith Thorton - K972061 Snore-Ezzer, LLC - K963063 Marketing Technologies,…
W. Keith Thornton, D.D.S.1997—
*K963063Snore Tec
Summary page 1
…OASYS -Oral Airway System Predicate Devices: Dr. Keith Thorton - K972061 Snore-Ezzer, LLC - K963063 Marketing Technologies, Inc. - K9636 16 Nellcor Pur…
Marketing Technologies, Inc.1997—
Kept off the family treeK963616FDA’s K963616 is Aloka SSD-1700 Diagnostic Ultrasound System
Our reading of the summary gave K963616, FDA’s number for Aloka SSD-1700 Diagnostic Ultrasound System (Aloka Co., Ltd.). Its FDA name has none of the distinctive words the summary uses for the device it names, “Marketing Technologies, Inc.”. Kept off the family tree.
Summary page 1
…Dr. Keith Thorton - K972061 Snore-Ezzer, LLC - K963063 Marketing Technologies, Inc. - K9636 16 Nellcor Puritan Bennett, Inc. - K9625 16 Device Description: The OASYS ORAL AIRWAY SYST…
Aloka Co., Ltd.1997—
*K962516Tap Anti-Snoring Device
Summary page 1
…zzer, LLC - K963063 Marketing Technologies, Inc. - K9636 16 Nellcor Puritan Bennett, Inc. - K9625 16 Device Description: The OASYS ORAL AIRWAY SYSTEM Anti-Snoring Device is composed of 0 Lower tray fitted over the lower t…
Nellcor Puritan Bennett, Inc.1996—
*K022891The Breathe EZ Anti-Snoring Device
Cleared while this submission was under review
D&S Redhage2003—
*K991948DR. B'S Mouthpiece, Model 32129-10002
Summary page 2
…o Predicate Devices: Attribute OASYS Breathe EZ Dr. ‘s Mouthpiece Marketing T.I. KO30440 KO2289 1 K99 1948 k963063 Intended as an Yes Yes Yes Yes intraoral device Intended to r…
Snore - Ezzer1999—

Also cleared against K972061: 9 other devices →

What descends from it? (65)

See all 65

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

NumberDeviceApplicantDecidedDescendants
K060388Tap II Anti-Snoring and Obstructive Sleep Apnea Oral Appliance with AttachmentAirway Management, Inc.200651
K111207Respire Blue SeriesRespire Medical201111
K071560Provent Nasal Dilator, Model BR2Ventus Medical, Inc.200810
K111549Attune Sleep Apnea SystemApnicure, Inc.20125
K060744O'brien Mpa (Mandibular Positioning Applicance)O'Brien Dental Lab, Inc.20060
K051014Silent Partner Series Osa AppliancesDreamwrx Dental Laboratory20050

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 14 years and passes through 5 companies; a new generation was cleared every 5.5 years on median.
  • None of the 8 ancestors has a recall.
  • Of its descendants, K060388 (Airway Management, Inc., 2006) has gone furthest, with 51 descendants of its own.
  • 9 other devices also cite its predicate K972061.

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?

OASY.S Oral Airway System is intended for use to reduce or eleviate snoring and obstructive sleep apnea.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K030440: Oasys-Oral Airway System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K030440

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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