510(k) Report

510(k) · Cleared

Cleared

Luma Light System

K173436510(k) TraditionalCleared Jan 30, 201888-day reviewClass II21 CFR 878.4630

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

Luma Therapeutics · FTC Light, Ultraviolet, Dermatological

Cleared on Jan 30, 2018 as substantially equivalent to K170489 (Skylit Medical, 2017) after an 88-day review. Its family tree reaches back 8 generations to 1989. 3 later devices descend from it.

Decided
Jan 30, 2018
Review
88 days
Class
Class II
Product code
FTC
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K885026 (1989). 29 ancestors in all, the oldest K883779 (1988). 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2008: 1 other ancestor2007: 2 other ancestors2002: 4 other ancestors1998: 1 other ancestor1990: 1 other ancestor2005: 1 other ancestor2001: 3 other ancestors1999: 1 other ancestor1994: 1 other ancestor1993: 3 other ancestors1989: 1 other ancestor1996: 1 other ancestor1988: 1 other ancestor2020: 2 descendants cleared2025: 1 descendant clearedK885026 · Houva II Uvb · National Biological Corp. · 1989K992914 · Excimer Laser Phototherapy System, AL7000 · Acculase, Inc. · 2000×2: 2 generations cleared close together, K020591 (2002), K022165 (2002) K024020 · Theralight UV120-2 Uva/Uvb Phototherapy System · Theralight, Inc. · 2003K040062 · Levia Phototherapy System · Lerner Medical Devices, Inc. · 2004K090097 · LH-75T Phototherapy System · Lerner Medical Devices, Inc. · 2009K170489 · Skylit Phototherapy System · Skylit Medical · 20171990200020102020
  1. Root · 8 generations backK885026 Houva II UvbNational Biological Corp. · 1989
  2. 7 generations backK992914 Excimer Laser Phototherapy System, AL7000Acculase, Inc. · 2000
  3. 6 generations backK020591 BclearLumenis · 2002
  4. 5 generations backK022165 Theralight UV120-2 Uva/Uvb Phototherapy System, Model UV120-2Theralight, Inc. · 2002
  5. 4 generations backK024020 Theralight UV120-2 Uva/Uvb Phototherapy SystemTheralight, Inc. · 2003
  6. 3 generations backK040062 Levia Phototherapy SystemLerner Medical Devices, Inc. · 2004
  7. 2 generations backK090097 LH-75T Phototherapy SystemLerner Medical Devices, Inc. · 2009
  8. 1 generation backK170489 Skylit Phototherapy SystemSkylit Medical · 2017
  9. This deviceK173436 Luma Light SystemLuma Therapeutics · 2018
  10. Descendant · cites it directly · 2 of its ownK192642 308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd. · 2020
  11. Descendant · 2 generations on · 1 of its ownK200971 308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd. · 2020
  12. Descendant · 3 generations on · 0 of its ownK242977 308nm Excimer Phototherapy Device (CN-308E, KN-4003B3, KN-4003B4…Xuzhou Kernel Medical Equipment Co., Ltd. · 2025

Most influential descendants

Showing 3 of 3 · See all
  • K192642308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd. · 2020 · cites it directly2descendants
  • K200971308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd. · 2020 · 2 generations on1descendant
  • K242977308nm Excimer Phototherapy Device (CN-308E, KN-4003B3, KN-4003B4, KN-5000C KN-5000D…Xuzhou Kernel Medical Equipment Co., Ltd. · 2025 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K885026Houva II UvbNational Biological Corp.1989—
−7K992914Excimer Laser Phototherapy System, AL7000Acculase, Inc.2000—
−6K020591BclearLumenis2002—
−5K022165Theralight UV120-2 Uva/Uvb Phototherapy System, Model UV120-2Theralight, Inc.2002—
−4K024020Theralight UV120-2 Uva/Uvb Phototherapy SystemTheralight, Inc.2003—
−3K040062Levia Phototherapy SystemLerner Medical Devices, Inc.2004—
−2K090097LH-75T Phototherapy SystemLerner Medical Devices, Inc.2009—
−1K170489Skylit Phototherapy SystemSkylit Medical2017—
0 (this device)K173436Luma Light SystemLuma Therapeutics2018—
+1K192642308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd.2020—
+2K200971308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd.2020—
+3K242977308nm Excimer Phototherapy Device (CN-308E, KN-4003B3, KN-4003B4, KN-5000C…Xuzhou Kernel Medical Equipment Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
198910
199010
199330
199410
199610
199810
199910
200130
200240
200510
200720
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202020
202510
FIG. 1 — Lineage of K173436, 1989–2025Source: 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 FTC? 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 FTC device

  1. #1 K242977 308nm Excimer Phototherapy Device (CN-308E…score 14.8 · 21 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
*K170489Skylit Phototherapy System
Summary page 4
…Class II, per 21 CFR 878.4630 Product Code: FTC Predicate Device(s): The subject device is equivalent to the following devices:  K170489 – Skylit Phototherapy System Device Description: The Luma Light System is a phototherapy system intended to treat…
Skylit Medical2017—

Also cleared against K170489: 1 other device →

What descends from it? (3)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K192642308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd.20202

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 29 years and passes through 7 companies; a new generation was cleared every 2.3 years on median.
  • 1 of the 29 ancestors has a recall of any class.
  • Of its descendants, K192642 (Chongqing Peninsula Medical Technology Co., Ltd., 2020) has gone furthest, with 2 descendants of its own.
  • 1 other device also cites its predicate K170489.

How does its category compare?

All FTC devices

FTC Light, Ultraviolet, Dermatological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · FTC

3in 2025

2007: 42008: 32009: 22010: 12011: 52012: 12013: 12014: 22015: 32016: 12017: 22018: 32019: 22020: 52021: 32022: 12023: 42024: 12025: 32026 (partial year): 4
2007high 5 (2011) · low 1 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FTC

76in 2025

2007: 53 days median2008: 41 days median2011: 125 days median2015: 98 days median2018: 88 days median2020: 237 days median2021: 89 days median2023: 48 days median2025: 76 days median2026 (partial year): 91 days median
2007high 237 (2020) · low 41 (2008)2026

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

Recalls per year · FTC

3so far in 2026, the most since 2007

2008: 12025: 12026 (partial year): 3
2007high 3 (2026) · low 0 (2007)2026

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

Adverse event reports per year · FTC

8in 2025

2010: 22012: 12013: 12014: 12015: 82016: 22017: 22019: 142020: 42021: 482022: 42023: 52024: 42025: 8
2007high 48 (2021) · low 0 (2007)2025

MAUDE reports naming product code FTC, 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
200745300
200834110
20092—00
20101—02
2011512500
20121—01
20131—01
20142—01
201539808
20161—02
20172—02
201838800
20192—014
2020523704
2021389048
20221—04
202344805
20241—04
202537618
20264913—

What is it indicated for?

The LUMA™ Light System is an Ultraviolet Light Emitting Medical Device. It is intended for use in localized phototherapeutic treatment of dermatologic conditions such as psoriasis, vitiligo, atopic dermatitis (eczema), sebhoreic dermatitis, and leukoderma on all skin types (I-VI).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173436: Luma Light System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173436

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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