510(k) · Cleared
ClearedSmartGuard Anti-Snoring Device
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Smartguard Rx, Inc. · LRK Device, Anti-Snoring
Cleared on Aug 23, 2021 as substantially equivalent to K170825 (Apnea Sciences Corporation, 2017) after a 529-day review. Its family tree reaches back 6 generations to 2007. 2 later devices descend from it.
- Decided
- Aug 23, 2021
- Review
- 529 days
- Class
- Class II
- Product code
- LRK
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K071404 (2007). 11 ancestors in all, the oldest K882303 (1989). 2 later devices descend from it, 2 citing it directly.
- Root · 6 generations backK071404 Sleep Right - Select, Low Profile and AdvancePower Products, Inc.-Splintek · 2007
- 5 generations backK100545 SleeprightPower Products, Inc.-Splintek · 2010
- 4 generations backK103004 Snore GuardRanir, LLC · 2011
- 3 generations backK112205 Snorerx 9.0Consumer Health Products, Inc. · 2011
- 2 generations backK153200 SnoreRxApnea Sciences Corporation · 2016
- 1 generation backK170825 SnoreRxApnea Sciences Corporation · 2017
- This deviceK200657 SmartGuard Anti-Snoring DeviceSmartguard Rx, Inc. · 2021
- Descendant · cites it directly · 0 of its ownK250353 Oniris; Oniris PlusOniris · 2025
- Descendant · cites it directly · 0 of its ownK231138 Aniti-Snore Mouthguard+Oscimed SA · 2024
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K071404 | Sleep Right - Select, Low Profile and Advance | Power Products, Inc.-Splintek | 2007 | — |
| −5 | K100545 | Sleepright | Power Products, Inc.-Splintek | 2010 | — |
| −4 | K103004 | Snore Guard | Ranir, LLC | 2011 | — |
| −3 | K112205 | Snorerx 9.0 | Consumer Health Products, Inc. | 2011 | — |
| −2 | K153200 | SnoreRx | Apnea Sciences Corporation | 2016 | — |
| −1 | K170825 | SnoreRx | Apnea Sciences Corporation | 2017 | — |
| 0 (this device) | K200657 | SmartGuard Anti-Snoring Device | Smartguard Rx, Inc. | 2021 | — |
| +1 | K250353 | Oniris; Oniris Plus | Oniris | 2025 | — |
| +1 | K231138 | Aniti-Snore Mouthguard+ | Oscimed SA | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1995 | 2 | 0 |
| 1998 | 1 | 0 |
| 2010 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
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 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K170825 | SnoreRx Our reading of the summary gave K170285, FDA’s number for AED Sinuscope (National Advanced Endoscopy Devices, Inc.). Corrected to the number with two digits swapped whose FDA name carries the summary’s words for the device, “SnoreRx”. | 2017 |
| † | K181396 | Oral Device OA, Oral Device S | 2018 |
| † | K150566 | Oniris | 2016 |
| † | K123161 | Smartguard Night Guard, Smartguard Original, Smartguard Night Guard Original, Smartguard… | 2013 |
What descends from it? (2)
2 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?
- The line of descent spans 14 years and passes through 5 companies; a new generation was cleared every 2.8 years on median.
- None of the 11 ancestors has a recall.
- Of its descendants, K250353 (Oniris, 2025) has gone furthest, with 0 descendants of its own.
- 10 other devices also cite its predicate K170825.
How does its category compare?
All LRK devicesLRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.
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 | — |
What is it indicated for?
SmartGuard Anti-Snore Device is indicated for use on adult patients 18 years or older as an aid for the reduction of snoring.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K200657 · printed Nov 6, 2026
Cite this page
510(k) Report. “K200657: SmartGuard Anti-Snoring Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200657
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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