510(k) Report

510(k) · Cleared

Cleared

308nm Excimer System

K192642510(k) TraditionalCleared May 13, 2020232-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

Chongqing Peninsula Medical Technology Co., Ltd. · FTC Light, Ultraviolet, Dermatological

Cleared on May 13, 2020 as substantially equivalent to K173436 (Luma Therapeutics, 2018) and 2 other predicates after a 232-day review. Its family tree reaches back 19 generations to 1995. 2 later devices descend from it.

Decided
May 13, 2020
Review
232 days
Class
Class II
Product code
FTC
Recalls
None
Predicates
3

Its longest line of descent runs back 19 generations to K943450 (1995). 248 ancestors in all, the oldest K800617 (1980). 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2018: 2 other ancestors2017: 1 other ancestor2009: 1 other ancestor2008: 1 other ancestor2007: 4 other ancestors2005: 9 other ancestors2004: 12 other ancestors2003: 18 other ancestors2002: 31 other ancestors2000: 19 other ancestors1999: 9 other ancestors1998: 12 other ancestors1997: 21 other ancestors1990: 2 other ancestors2001: 22 other ancestors1994: 11 other ancestors1993: 8 other ancestors1989: 2 other ancestors1984: 1 other ancestor1996: 18 other ancestors1995: 13 other ancestors1988: 2 other ancestors1991: 4 other ancestors1992: 3 other ancestors1980: 1 other ancestor1985: 1 other ancestor1982: 1 other ancestor2020: 1 descendant cleared2025: 1 descendant clearedK943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995×2: 2 generations cleared close together, K961069 (1996), K962445 (1996) K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K973478 · Arthrocare Sinus Electrosurgery System · Arthrocare Corp. · 1998K981870 · Visage Cosmetic Surgery System · Arthrocare Corp. · 1998K000944 · Thermage Thermacool System · Thermage, Inc. · 2000×2: 2 generations cleared close together, K013034 (2001), K013639 (2002) ×2: 2 generations cleared close together, K021402 (2002), K030142 (2003) K031671 · Polaris WR · Syneron Medical, Ltd. · 2003K041959 · Polaris DS/Comet · Syneron Medical, Ltd. · 2004K053540 · Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories That Are Used with Them to Deliver Laser Ene · Intermedic Arfran, SA · 2006K072034 · Diode Medical Laser Family, Models 4, 6, 30 · Quanta System Spa · 2007K090762 · LEDA · Quantel Derma GmbH · 2009K150752 · GME ExSys 308 · Gme (German Medical Engineering) GmbH · 2015K171702 · Exciplex308nm · Clarteis · 2017K191086 · Exciplex · Clarteis · 201919801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 1 other ancestor3 generations back: 6 other ancestors4 generations back: 16 other ancestors5 generations back: 28 other ancestors6 generations back: 64 other ancestors7 generations back: 52 other ancestors8 generations back: 35 other ancestors9 generations back: 21 other ancestors10 generations back: 4 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K191086 · Exciplex · Clarteis · 2019K171702 · Exciplex308nm · Clarteis · 2017K150752 · GME ExSys 308 · Gme (German Medical Engineering) GmbH · 2015K090762 · LEDA · Quantel Derma GmbH · 2009K072034 · Diode Medical Laser Family, Models 4, 6, 30 · Quanta System Spa · 2007K053540 · Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories That Are Used with Them to Deliver Laser Ene · Intermedic Arfran, SA · 2006K041959 · Polaris DS/Comet · Syneron Medical, Ltd. · 2004K031671 · Polaris WR · Syneron Medical, Ltd. · 2003K030142 · Thermacool TC System · Thermage, Inc. · 2003K021402 · Thermage Thermacool TC System · Thermage, Inc. · 2002K013639 · Thermage Thermacool TC System · Thermage, Inc. · 2002K013034 · Modification to: Thermacool Iia · Thermage, Inc. · 2001K000944 · Thermage Thermacool System · Thermage, Inc. · 2000K981870 · Visage Cosmetic Surgery System · Arthrocare Corp. · 1998K973478 · Arthrocare Sinus Electrosurgery System · Arthrocare Corp. · 1998K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K962445 · Arthrocare Dental Electrosurgery System · Arthrocare Corp. · 1996K961069 · Arthrocare Urologic Multi-Electrode Electrosurgery System · Arthrocare Corp. · 1996K943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995−15−10−50
  1. Root · 19 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 15 generations between
  3. 3 generations backK150752 GME ExSys 308Gme (German Medical Engineering) GmbH · 2015
  4. 2 generations backK171702 Exciplex308nmClarteis · 2017
  5. 1 generation backK191086 ExciplexClarteis · 2019
  6. This deviceK192642 308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd. · 2020
  7. Descendant · cites it directly · 1 of its ownK200971 308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd. · 2020
  8. Descendant · 2 generations on · 0 of its ownK242977 308nm Excimer Phototherapy Device (CN-308E, KN-4003B3, KN-4003B4…Xuzhou Kernel Medical Equipment Co., Ltd. · 2025
Show all 19 generations
  1. Root · 19 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 18 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 17 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 16 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 15 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
  6. 14 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
  7. 13 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
  8. 12 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
  9. 11 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
  10. 10 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
  11. 9 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
  12. 8 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
  13. 7 generations backK041959 Polaris DS/CometSyneron Medical, Ltd. · 2004
  14. 6 generations backK053540 Intermedic Diode Laser Family 810NM and 980NM (and the Delivery…Intermedic Arfran, SA · 2006
  15. 5 generations backK072034 Diode Medical Laser Family, Models 4, 6, 30Quanta System Spa · 2007
  16. 4 generations backK090762 LEDAQuantel Derma GmbH · 2009
  17. 3 generations backK150752 GME ExSys 308Gme (German Medical Engineering) GmbH · 2015
  18. 2 generations backK171702 Exciplex308nmClarteis · 2017
  19. 1 generation backK191086 ExciplexClarteis · 2019
  20. This deviceK192642 308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd. · 2020

Most influential descendants

Showing 2 of 2 · See all
  • K200971308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd. · 2020 · cites it directly1descendant
  • K242977308nm Excimer Phototherapy Device (CN-308E, KN-4003B3, KN-4003B4, KN-5000C KN-5000D…Xuzhou Kernel Medical Equipment Co., Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−19K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−18K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−17K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−16K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−15K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp.1998—
−14K981870Visage Cosmetic Surgery SystemArthrocare Corp.1998—
−13K000944Thermage Thermacool SystemThermage, Inc.2000—
−12K013034Modification to: Thermacool IiaThermage, Inc.2001—
−11K013639Thermage Thermacool TC SystemThermage, Inc.2002—
−10K021402Thermage Thermacool TC SystemThermage, Inc.2002—
−9K030142Thermacool TC SystemThermage, Inc.2003—
−8K031671Polaris WRSyneron Medical, Ltd.2003—
−7K041959Polaris DS/CometSyneron Medical, Ltd.2004—
−6K053540Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories…Intermedic Arfran, SA2006—
−5K072034Diode Medical Laser Family, Models 4, 6, 30Quanta System Spa2007—
−4K090762LEDAQuantel Derma GmbH2009—
−3K150752GME ExSys 308Gme (German Medical Engineering) GmbH2015—
−2K171702Exciplex308nmClarteis2017—
−1K191086ExciplexClarteis2019—
0 (this device)K192642308nm Excimer SystemChongqing Peninsula Medical Technology Co., Ltd.2020—
+1K200971308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd.2020—
+2K242977308nm 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
198010
198210
198410
198510
198820
198920
199020
199140
199230
199380
1994110
1995130
1996180
1997210
1998120
199990
2000190
2001220
2002310
2003180
2004120
200590
200740
200810
200910
201710
201820

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202510
FIG. 1 — Lineage of K192642, 1995–2025Source: 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? (3)

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
*K173436Luma Light System
Summary page 4
…orders Review Panel: Dermatology, Physical Medicine Product Code: FTC Regulation Class: II Regulation Number: 878.4630 3. Predicate Device Information 1 510(K) Number: K173436 Company Name: Luma Therapeutics Trade/Device Name: Luma Light System Common Name: Light, Ultraviolet, Dermatological Regulation N…
Luma Therapeutics2018—
*K172273308nm Excimer System
Summary page 4
…s such as psoriasis, vitiligo, atopic dermatitis (eczema), seborrheic dermatitis, and leukoderma on all skin types (I-VI). Predicate Device Information 2 510(K) Number: K172273 Company Name: Chongqing Peninsula Medical Technology Co., Ltd.…
Chongqing Peninsula Medical Technology Co., Ltd.2018—
*K191086Exciplex
Cleared while this submission was under review
Summary page 5
…m Excimer System is intended to be used for the treatment of psoriasis and vitiligo. It is to be used on intact skin only. Predicate Device Information 3 510(K) Number: K191086 Company Name: Clarteis Trade/Device Name: Exciplex Common Name: Light, Ultraviolet, Dermatological Regulation Number: 878.4630 Re…
Clarteis2019—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K200971308nm Excimer SystemXuzhou Kernel Medical Equipment Co., Ltd.20201

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 25 years and passes through 9 companies; a new generation was cleared every 11 months on median.
  • 11 of the 248 ancestors have a recall of any class.
  • Of its descendants, K200971 (Xuzhou Kernel Medical Equipment Co., Ltd., 2020) has gone furthest, with 1 descendant of its own.

How does its category compare?

All FTC devices

FTC Light, Ultraviolet, Dermatological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, 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 308nm Excimer System (model: XECL-308E) is an Ultraviolet Light Emitting Medical Device. It is intended to be used for the treatment of psoriasis, vitiligo, atopic dermatitis, and leukoderma. It is to be used on intact skin only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K192642: 308nm Excimer System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K192642

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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