510(k) Report

De Novo · Granted

Granted

SNOO Smart Sleeper

DEN210039De NovoGranted Mar 30, 2023556-day reviewClass II21 CFR 880.5690

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Happiest Baby, Inc. · QTG Infant Supine Sleep System

Granted on Mar 30, 2023 as a new device type through De Novo after a 556-day review.

Decided
Mar 30, 2023
Review
556 days
Class
Class II
Product code
QTG
Recalls
None

De Novo grants create a new device type without a predicate, so this family tree starts here.

FIG. 1 — Lineage of DEN210039Source: FDA De Novo database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA De Novo 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 QTG? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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Does it have a predicate?

De Novo decisions do not claim a predicate device.

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All QTG devices

QTG Infant Supine Sleep System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · QTG

1in 2023

2023: 1
2007high 1 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QTG

Too few QTG 510(k)s in any year since 2007 to give a median.

Recalls per year · QTG

2so far in 2026, the most since 2007

2024: 12026 (partial year): 2
2007high 2 (2026) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · QTG

2in 2025

2024: 32025: 2
2007high 3 (2024) · low 0 (2007)2025

MAUDE reports naming product code QTG, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20231—00
20240—13
20250—02
20260—2—

What is it indicated for?

The SNOO Smart Sleeper bassinet plus the SNOO Sleep Sack are jointly intended to facilitate a supine position during sleep. Infants who are placed in a supine sleep position are at lower risk of SIDS/SUID. The device is intended for home use by caregivers of infants from birth to 6 months of age, who are not yet able to roll over consistently.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “DEN210039: SNOO Smart Sleeper.” Lineage record from FDA De Novo data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/DEN210039

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026