510(k) Report

510(k) · Cleared

Cleared

Psoria-Light

K103540510(k) TraditionalCleared Feb 10, 201170-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

Psoria-Shield, Inc. · FTC Light, Ultraviolet, Dermatological

Cleared on Feb 10, 2011 as substantially equivalent to K024020 (Theralight, Inc., 2003) and 1 other predicate after a 70-day review. Its family tree reaches back 6 generations to 1989. 3 later devices descend from it.

Decided
Feb 10, 2011
Review
70 days
Class
Class II
Product code
FTC
Recalls
None
Predicates
2

Its longest line of descent runs back 6 generations to K885026 (1989). 16 ancestors in all, the oldest K885025 (1989). 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2003: 1 other ancestor2002: 2 other ancestors2001: 3 other ancestors1993: 3 other ancestors1989: 1 other ancestor2020: 1 descendant cleared2023: 1 descendant cleared2026: 1 descendant clearedK885026 · Houva II Uvb · National Biological Corp. · 1989K992914 · Excimer Laser Phototherapy System, AL7000 · Acculase, Inc. · 2000K020847 · Xtrac Excimer Laser System, Model AL7000 · Photo Medex, Inc. · 2002K031451 · Xtracxl Plus Excimer Laser System, Model AL7000 · Photo Medex, Inc. · 2003K041943 · Xtrac XL, Model AL8000 · Photo Medex, Inc. · 2004K073659 · Xtrac Ultra 2, Model AL10000 · Photo Medex, Inc. · 20081990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 4 other ancestors3 generations back: 5 other ancestors 1 generation forward: 1 descendant2 generations forward: 2 descendants K073659 · Xtrac Ultra 2, Model AL10000 · Photo Medex, Inc. · 2008K041943 · Xtrac XL, Model AL8000 · Photo Medex, Inc. · 2004K031451 · Xtracxl Plus Excimer Laser System, Model AL7000 · Photo Medex, Inc. · 2003K020847 · Xtrac Excimer Laser System, Model AL7000 · Photo Medex, Inc. · 2002K992914 · Excimer Laser Phototherapy System, AL7000 · Acculase, Inc. · 2000K885026 · Houva II Uvb · National Biological Corp. · 1989−50
  1. Root · 6 generations backK885026 Houva II UvbNational Biological Corp. · 1989
  2. 5 generations backK992914 Excimer Laser Phototherapy System, AL7000Acculase, Inc. · 2000
  3. 4 generations backK020847 Xtrac Excimer Laser System, Model AL7000Photo Medex, Inc. · 2002
  4. 3 generations backK031451 Xtracxl Plus Excimer Laser System, Model AL7000Photo Medex, Inc. · 2003
  5. 2 generations backK041943 Xtrac XL, Model AL8000Photo Medex, Inc. · 2004
  6. 1 generation backK073659 Xtrac Ultra 2, Model AL10000Photo Medex, Inc. · 2008
  7. This deviceK103540 Psoria-LightPsoria-Shield, Inc. · 2011
  8. Descendant · cites it directly · 2 of its ownK192411 Psoria-Shield AURORAPsoria-Shield · 2020
  9. Descendant · 2 generations on · 0 of its ownK254234 Phototherapy System (DUV-COMBO)Choyang Medics Co., Ltd. · 2026
  10. Descendant · 2 generations on · 0 of its ownK230076 Enhanced AURORA™ Medical Diode System, and related accessoriesPsoria-Shield, Inc. · 2023

Most influential descendants

Showing 3 of 3 · See all
  • K192411Psoria-Shield AURORAPsoria-Shield · 2020 · cites it directly2descendants
  • K254234Phototherapy System (DUV-COMBO)Choyang Medics Co., Ltd. · 2026 · 2 generations on0descendants
  • K230076Enhanced AURORA™ Medical Diode System, and related accessoriesPsoria-Shield, Inc. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K885026Houva II UvbNational Biological Corp.1989—
−5K992914Excimer Laser Phototherapy System, AL7000Acculase, Inc.2000—
−4K020847Xtrac Excimer Laser System, Model AL7000Photo Medex, Inc.2002—
−3K031451Xtracxl Plus Excimer Laser System, Model AL7000Photo Medex, Inc.2003—
−2K041943Xtrac XL, Model AL8000Photo Medex, Inc.2004—
−1K073659Xtrac Ultra 2, Model AL10000Photo Medex, Inc.2008—
0 (this device)K103540Psoria-LightPsoria-Shield, Inc.2011—
+1K192411Psoria-Shield AURORAPsoria-Shield2020—
+2K254234Phototherapy System (DUV-COMBO)Choyang Medics Co., Ltd.2026—
+2K230076Enhanced AURORA™ Medical Diode System, and related accessoriesPsoria-Shield, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199330
200130
200220
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202310
202610
FIG. 1 — Lineage of K103540, 1989–2026Source: 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 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? (2)

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
*K024020Theralight UV120-2 Uva/Uvb Phototherapy System
Summary page 1
…position, and function to: Theraight Inc. DuaLight UV12O-2 UVA/UVB3 Phototherapy System K024020 Photoedex, Inc. XTRAC Ultra 2 Excimer Laser System, Model ALI10000…
Theralight, Inc.2003—
*K073659Xtrac Ultra 2, Model AL10000
Summary page 1
…K024020 Photoedex, Inc. XTRAC Ultra 2 Excimer Laser System, Model ALI10000 K073659 Page ElI h10 3 5q P -- 4 3…
Photo Medex, Inc.2008—

Also cleared against K024020: 5 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K192411Psoria-Shield AURORAPsoria-Shield20202

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 22 years and passes through 4 companies; a new generation was cleared every 2.9 years on median.
  • None of the 16 ancestors has a recall.
  • Of its descendants, K192411 (Psoria-Shield, 2020) has gone furthest, with 2 descendants of its own.
  • 5 other devices also cite its predicate K024020.

How does its category compare?

All FTC devices

FTC Light, Ultraviolet, Dermatological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, 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 Psoria-Light Model PSI1000 is indicated for use in targeted PUVA photochemistry and UVB phototherapy for the treatment of skin conditions including psoriasis, vitiligo, atopic dermatitis (eczema), and seborrheic dermatitis. In addition, the system UVB channel is indicated for the treatment of leukoderma.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K103540: Psoria-Light.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K103540

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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