510(k) Report

510(k) · Cleared

Cleared

Snor-X Mouth Guard

K954324510(k) TraditionalCleared Oct 17, 199529-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

Snorex, Inc. · LRK Device, Anti-Snoring

Cleared on Oct 17, 1995 after a 29-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 27 later devices descend from it.

Decided
Oct 17, 1995
Review
29 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
0

27 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2008: 1 descendant cleared1997: 1 descendant cleared2018: 2 descendants cleared2010: 2 descendants cleared2004: 1 descendant cleared1999: 1 descendant cleared2021: 2 descendants cleared2013: 2 descendants cleared2012: 5 descendants cleared2002: 1 descendant cleared2011: 2 descendants cleared2014: 2 descendants cleared2019: 1 descendant cleared2020: 2 descendants cleared2022: 1 descendant cleared2023: 1 descendant cleared1995200020052010201520202025
  1. This deviceK954324 Snor-X Mouth GuardSnorex, Inc. · 1995
  2. Descendant · cites it directly · 23 of its ownK972023 Sleep-in Bone Screw SystemInfluence, Inc. · 1997
  3. Descendant · 2 generations on · 16 of its ownK981677 Repose Bone Screw SystemInfluence, Inc. · 1999 · Recalled
  4. Descendant · 2 generations on · 15 of its ownK101060 Siesta Medical, Inc., Prelude Tongue Suspension SystemSiesta Medical, Inc. · 2010
  5. Descendant · 3 generations on · 14 of its ownK103179 Prelude II Tounge Suspension SystemSiesta Medical, Inc. · 2010
  6. Descendant · 4 generations on · 13 of its ownK110127 Prelude Iii Tongue Suspension SystemSiesta Medical, Inc. · 2011

Showing 5 of 27 descendants. See all descendants

Descendants cleared per year

1997: 11999: 12002: 12004: 12008: 12010: 22011: 22012: 52013: 22014: 22018: 22019: 12020: 22021: 22022: 12023: 1
1997high 5 (2012) · low 0 (1998)2026

Most influential descendants

Showing 5 of 27 · See all
  • K972023Sleep-in Bone Screw SystemInfluence, Inc. · 1997 · cites it directly23descendants
  • K981677Repose Bone Screw SystemInfluence, Inc. · 1999 · 2 generations on16descendants
  • K101060Siesta Medical, Inc., Prelude Tongue Suspension SystemSiesta Medical, Inc. · 2010 · 2 generations on15descendants
  • K103179Prelude II Tounge Suspension SystemSiesta Medical, Inc. · 2010 · 3 generations on14descendants
  • K110127Prelude Iii Tongue Suspension SystemSiesta Medical, Inc. · 2011 · 4 generations on13descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K954324Snor-X Mouth GuardSnorex, Inc.1995—
+1K972023Sleep-in Bone Screw SystemInfluence, Inc.1997—
+2K981677Repose Bone Screw SystemInfluence, Inc.19992
+2K101060Siesta Medical, Inc., Prelude Tongue Suspension SystemSiesta Medical, Inc.2010—
+3K103179Prelude II Tounge Suspension SystemSiesta Medical, Inc.2010—
+4K110127Prelude Iii Tongue Suspension SystemSiesta Medical, Inc.2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
199910
200210
200410
200810
201020
201120
201250
201320
201420
201820
201910
202020
202120
202210
202310
FIG. 1 — Lineage of K954324, 1995–2023Source: 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), 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (27)

See all 27

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

NumberDeviceApplicantDecidedDescendants
K972023Sleep-in Bone Screw SystemInfluence, Inc.199723
K081965Mpowrx Snoring SolutionMpowrx Health and Wellness Products, Inc.20082

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?

  • Of its descendants, K972023 (Influence, Inc., 1997) has gone furthest, with 23 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—
Cite this page

510(k) Report. “K954324: Snor-X Mouth Guard.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K954324

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026