# K103004: Snore Guard

- Pathway: 510(k) (Special)
- Applicant: Ranir, LLC
- Decided: Feb 25, 2011 after 140 days
- Product code: LRK (Device, Anti-Snoring)
- Device class: 2
- Regulation: 21 CFR 872.5570
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K071404 (2007). 4 ancestors in all.
28 later devices descend from it; 2 cite it directly.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K102118: Snore Guard Advance, Ranir, LLC (2010) Summary page 1.
- K100545: Sleepright, Power Products, Inc.-Splintek (2010) Summary page 1.

## Most influential descendants
- K112205: Snorerx 9.0 (2011), 26 descendants of its own
- K153200: SnoreRx (2016), 22 descendants of its own
- K170825: SnoreRx (2017), 21 descendants of its own
- K113569: Apnearx (2012), 4 descendants of its own
- K233850: Difiney Anti Snoring Device (2024), 3 descendants of its own

## Indications for use
The Snore Guard is indicated for use in the treatment of nighttime snoring and mild to moderate Obstructive Sleep Apnea in adults 18 years of age or older.

Source page: https://510kreport.com/device/K103004
Methodology: https://510kreport.com/methodology