# K111680: DR. Greensburg's Hybrid

- Pathway: 510(k) (Abbreviated)
- Applicant: Always More Marketing, Inc.
- Decided: Dec 23, 2011 after 191 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: 7 generations back to K882303 (1989). 26 ancestors in all.
6 later devices descend from it; 4 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)
- K020893: Norad Nocturnal Oral Airway Dilator Appliance, Dennis R. Bailey, Dds (2002) Summary page 1.
- K092942: Vital Sleep, The Snore Reliever Company, LLC (2010) Summary page 1.
- K061688: Anti-Snoring / Sleep Apnea Device, Tomed Dr. Toussaint GmbH (2006) Summary page 1.
- K091035: Full Breath Sleep Appliance Lower (FBSL), Bryan Keropian Dds (2009) Summary page 1.
- K972424: Silentnite, Glidewell Laboratories (1997) Summary page 1.
- K971794: Elastic Mandibular Advancement (Ema) Appliance, Frantz Design, Inc. (1997) Summary page 1.

## Most influential descendants
- K182312: Zyppah Anti-Snoring Device (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
- K203462: Advanced Dental Appliance (2021), 0 descendants of its own
- K120372: DR Greenburgs Hybrid Vacuum (2012), 0 descendants of its own

## Indications for use
The Dr Greenburg's Hybrid Snoring Device is indicated for persons 18 years or older, who wish to reduce the incidence of snoring and/or mild to moderate obstructive sleep apnea

Source page: https://510kreport.com/device/K111680
Methodology: https://510kreport.com/methodology