510(k) Report

510(k) · Cleared

Cleared

SnugLit (TM) Wearable Phototherapy System (SNGL-01-US)

K251308510(k) TraditionalCleared Jan 15, 2026262-day reviewClass II21 CFR 880.5700

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

Thera B Medical Products · LBI Unit, Neonatal Phototherapy

Cleared on Jan 15, 2026 as substantially equivalent to K210289 (Bistos Co., Ltd., 2021) after a 262-day review. Its family tree reaches back 4 generations to 1988.

Decided
Jan 15, 2026
Review
262 days
Class
Class II
Product code
LBI
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K883779 (1988). 7 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK883779 Wallaby (TM) BlanketFiberoptic Medical Products, Inc. · 1988
  2. 3 generations backK991627 Wallaby 3 Phototherapy System, Model 3600Respironics, Inc. · 1999
  3. 2 generations backK072097 Bilibee Led Phototherapy System, Model: 1Medical Select, Inc. · 2007
  4. 1 generation backK210289 Infant Phototherapy EquipmentBistos Co., Ltd. · 2021
  5. This deviceK251308 SnugLit (TM) Wearable Phototherapy System (SNGL-01-US)Thera B Medical Products · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K883779Wallaby (TM) BlanketFiberoptic Medical Products, Inc.1988—
−3K991627Wallaby 3 Phototherapy System, Model 3600Respironics, Inc.1999—
−2K072097Bilibee Led Phototherapy System, Model: 1Medical Select, Inc.2007—
−1K210289Infant Phototherapy EquipmentBistos Co., Ltd.2021—
0 (this device)K251308SnugLit (TM) Wearable Phototherapy System (SNGL-01-US)Thera B Medical Products2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199910
200210
FIG. 1 — Lineage of K251308, 1988–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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

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 LBI? 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 LBI device

  1. #1 K243372 BiliWrapscore 10.3 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K210289Infant Phototherapy Equipment
Summary page 5
…880.5700 Product Code: LBI Predicate Device: 510(k) Number Device Name Manufacturer K210289 BiliTouch (Motif Phototherapy Blanket) Bistos Co., Ltd. Device Description: The SnugLit system is a…
Bistos Co., Ltd.2021—

Also cleared against K210289: 1 other 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.

What does this lineage say?

  • The line of descent spans 38 years and passes through 5 companies; a new generation was cleared every 10.5 years on median.
  • 1 of the 7 ancestors has a recall of any class.
  • 1 other device also cites its predicate K210289.

How does its category compare?

All LBI devices

LBI Unit, Neonatal Phototherapy: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · LBI

1in 2025

2007: 32009: 22010: 12011: 32012: 52014: 12015: 12016: 32017: 22018: 22019: 12020: 12021: 12025: 12026 (partial year): 1
2007high 5 (2012) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LBI

134in 2016

2007: 91 days median2011: 157 days median2012: 108 days median2016: 134 days median
2007high 157 (2011) · low 91 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LBI

1in 2019

2009: 12014: 12015: 12016: 22019: 1
2007high 2 (2016) · low 0 (2007)2026

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

Adverse event reports per year · LBI

3in 2025

2007: 12008: 42009: 42010: 92011: 52012: 32013: 62014: 52015: 62016: 222017: 5772018: 372019: 62020: 62021: 22022: 82024: 62025: 3
2007high 577 (2017) · low 0 (2023)2025

MAUDE reports naming product code LBI, 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
200739101
20080—04
20092—14
20101—09
2011315705
2012510803
20130—06
20141—15
20151—16
20163134222
20172—0577
20182—037
20191—16
20201—06
20211—02
20220—08
20230—00
20240—06
20251—03
20261—0—

What is it indicated for?

The SnugLit(TM) Wearable Phototherapy System is intended for use in the treatment of infant hyperbilirubinemia, commonly known as neonatal jaundice. The device can be used in a hospital or at home, by a licensed medical practitioner or by a caregiver under the supervision of a licensed medical practitioner.

The device has been designed for use with infants of weights between 1.5 – 5.5 kg (approximately 3.5 -12 lbs) and lengths between 40.5 - 57.5 cm (approximately 16 - 23 inches).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K251308: SnugLit (TM) Wearable Phototherapy System (SNGL-01-US).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K251308

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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