# K132506: Sleeptight Mouthpiece, Sleeppro, Quietnite, Altitude Mouthpiece, Sleep Easy

- Pathway: 510(k) (Traditional)
- Applicant: Michael D Williams Dds PA
- Decided: May 29, 2014 after 290 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
No predicates in its family tree.
4 later devices descend from it; 2 cite it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K191618: SleepTight Mouthpiece STZ (2019), 3 descendants of its own
- K252531: Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for Snorers (S1, S1M, S2) (2026), 1 descendant of its own
- K261912: SnØreNegatØr (2026), 0 descendants of its own
- K210910: Snore Bandit (2021), 0 descendants of its own

Source page: https://510kreport.com/device/K132506
Methodology: https://510kreport.com/methodology