510(k) · Cleared
ClearedSnor-X Mouth Guard
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
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.
- This deviceK954324 Snor-X Mouth GuardSnorex, Inc. · 1995
- Descendant · cites it directly · 23 of its ownK972023 Sleep-in Bone Screw SystemInfluence, Inc. · 1997
- Descendant · 2 generations on · 16 of its ownK981677 Repose Bone Screw SystemInfluence, Inc. · 1999 · Recalled
- Descendant · 2 generations on · 15 of its ownK101060 Siesta Medical, Inc., Prelude Tongue Suspension SystemSiesta Medical, Inc. · 2010
- Descendant · 3 generations on · 14 of its ownK103179 Prelude II Tounge Suspension SystemSiesta Medical, Inc. · 2010
- 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
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
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K954324 | Snor-X Mouth Guard | Snorex, Inc. | 1995 | — |
| +1 | K972023 | Sleep-in Bone Screw System | Influence, Inc. | 1997 | — |
| +2 | K981677 | Repose Bone Screw System | Influence, Inc. | 1999 | 2 |
| +2 | K101060 | Siesta Medical, Inc., Prelude Tongue Suspension System | Siesta Medical, Inc. | 2010 | — |
| +3 | K103179 | Prelude II Tounge Suspension System | Siesta Medical, Inc. | 2010 | — |
| +4 | K110127 | Prelude Iii Tongue Suspension System | Siesta Medical, Inc. | 2011 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
| 1999 | 1 | 0 |
| 2002 | 1 | 0 |
| 2004 | 1 | 0 |
| 2008 | 1 | 0 |
| 2010 | 2 | 0 |
| 2011 | 2 | 0 |
| 2012 | 5 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
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 K252531 Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for…score 16.3 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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 272 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 devicesLRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LRK
14in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LRK
107in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LRK
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LRK
653in 2025
MAUDE reports naming product code LRK, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 0 |
| 2008 | 3 | 109 | 0 | 1 |
| 2009 | 3 | 88 | 2 | 11 |
| 2010 | 8 | 195 | 0 | 7 |
| 2011 | 10 | 134 | 0 | 69 |
| 2012 | 10 | 142 | 0 | 445 |
| 2013 | 9 | 233 | 0 | 72 |
| 2014 | 11 | 219 | 0 | 49 |
| 2015 | 6 | 117 | 0 | 28 |
| 2016 | 10 | 157 | 0 | 18 |
| 2017 | 7 | 170 | 0 | 32 |
| 2018 | 10 | 200 | 0 | 61 |
| 2019 | 13 | 150 | 0 | 56 |
| 2020 | 5 | 80 | 0 | 24 |
| 2021 | 10 | 126 | 0 | 49 |
| 2022 | 11 | 154 | 0 | 40 |
| 2023 | 5 | 156 | 0 | 50 |
| 2024 | 6 | 254 | 0 | 185 |
| 2025 | 14 | 107 | 1 | 653 |
| 2026 | 10 | 63 | 1 | — |
https://510kreport.com/device/K954324 · printed Nov 4, 2026
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
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026