510(k) Report

510(k) · Cleared

Cleared

Medical Diode Laser (UTU3-F7B,UTU3-F7W,UTU3-G7B,UTU3-G7W,UTU-G20B,UTU-G20W)

K243764510(k) TraditionalCleared May 8, 2025153-day reviewClass II21 CFR 878.4810

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

Wuhan Pioon Technology Co., Ltd. · NVK Laser, Dental, Soft Tissue

Cleared on May 8, 2025 as substantially equivalent to K210367 (Guilin Woodpecker Medical Instrument Co., Ltd., 2022) after a 153-day review. Its family tree reaches back 21 generations to 1995.

Decided
May 8, 2025
Review
153 days
Class
Class II
Product code
NVK
Recalls
None
Predicates
1

Its longest line of descent runs back 21 generations to K943450 (1995). 237 ancestors in all, the oldest K800617 (1980). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2011: 1 other ancestor2007: 6 other ancestors2010: 1 other ancestor2009: 2 other ancestors2008: 4 other ancestors2004: 11 other ancestors2006: 2 other ancestors2005: 7 other ancestors2003: 19 other ancestors2001: 17 other ancestors1999: 11 other ancestors1998: 14 other ancestors2002: 22 other ancestors1997: 22 other ancestors1996: 16 other ancestors1995: 14 other ancestors1990: 2 other ancestors2000: 16 other ancestors1992: 4 other ancestors1989: 2 other ancestors1988: 1 other ancestor1987: 2 other ancestors1993: 6 other ancestors1994: 9 other ancestors1985: 1 other ancestor1980: 1 other ancestor1991: 3 other ancestorsReference device: K232222 · Primo Dental Laser (Primo, Primo Komfort, Primo Lite, Primo Blue, and Primo Triplo) · Medency S.R.L. · 2023Reference device: K163128 · Epic Pro · Biolase, Inc. · 2017K943450 · 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 · 2006×2: 2 generations cleared close together, K071295 (2007), K072106 (2007) K082938 · Ezlase · Biolase Technology, Inc. · 2008K121286 · EPIC 10 · Biolase Technology, Inc. · 2012K170500 · SIROLaser Advance+ · Dentsply Sirona · 2017K180044 · SIROLaser Blue · Dentsply Sirona · 2018K210367 · D-Laser Blue, D-Laser 16 · Guilin Woodpecker Medical Instrument Co., Ltd. · 202219801990200020102020
Other ancestors, by generation 3 generations back: 2 other ancestors4 generations back: 6 other ancestors5 generations back: 17 other ancestors6 generations back: 22 other ancestors7 generations back: 26 other ancestors8 generations back: 32 other ancestors9 generations back: 41 other ancestors10 generations back: 24 other ancestors11 generations back: 17 other ancestors12 generations back: 25 other ancestors13 generations back: 2 other ancestors14 generations back: 2 other ancestors K210367 · D-Laser Blue, D-Laser 16 · Guilin Woodpecker Medical Instrument Co., Ltd. · 2022K180044 · SIROLaser Blue · Dentsply Sirona · 2018K170500 · SIROLaser Advance+ · Dentsply Sirona · 2017K121286 · EPIC 10 · Biolase Technology, Inc. · 2012K082938 · Ezlase · Biolase Technology, Inc. · 2008K072106 · 150W Ceralas D 980NM Diode Laser · Biolitec, Inc. · 2007K071295 · 100W Ceralas D 980NM Diode Laser · Biolitec, Inc. · 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. · 1995−20−15−10−50
  1. Root · 21 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 17 generations between
  3. 3 generations backK170500 SIROLaser Advance+Dentsply Sirona · 2017
  4. 2 generations backK180044 SIROLaser BlueDentsply Sirona · 2018
  5. 1 generation backK210367 D-Laser Blue, D-Laser 16Guilin Woodpecker Medical Instrument Co., Ltd. · 2022
  6. This deviceK243764 Medical Diode Laser…Wuhan Pioon Technology Co., Ltd. · 2025
Show all 21 generations
  1. Root · 21 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 20 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 19 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 18 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 17 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
  6. 16 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
  7. 15 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
  8. 14 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
  9. 13 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
  10. 12 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
  11. 11 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
  12. 10 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
  13. 9 generations backK041959 Polaris DS/CometSyneron Medical, Ltd. · 2004
  14. 8 generations backK053540 Intermedic Diode Laser Family 810NM and 980NM (and the Delivery…Intermedic Arfran, SA · 2006
  15. 7 generations backK071295 100W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
  16. 6 generations backK072106 150W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
  17. 5 generations backK082938 EzlaseBiolase Technology, Inc. · 2008
  18. 4 generations backK121286 EPIC 10Biolase Technology, Inc. · 2012
  19. 3 generations backK170500 SIROLaser Advance+Dentsply Sirona · 2017
  20. 2 generations backK180044 SIROLaser BlueDentsply Sirona · 2018
  21. 1 generation backK210367 D-Laser Blue, D-Laser 16Guilin Woodpecker Medical Instrument Co., Ltd. · 2022
  22. This deviceK243764 Medical Diode Laser…Wuhan Pioon Technology Co., Ltd. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−21K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−20K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−19K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−18K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−17K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp.1998—
−16K981870Visage Cosmetic Surgery SystemArthrocare Corp.1998—
−15K000944Thermage Thermacool SystemThermage, Inc.2000—
−14K013034Modification to: Thermacool IiaThermage, Inc.2001—
−13K013639Thermage Thermacool TC SystemThermage, Inc.2002—
−12K021402Thermage Thermacool TC SystemThermage, Inc.2002—
−11K030142Thermacool TC SystemThermage, Inc.2003—
−10K031671Polaris WRSyneron Medical, Ltd.2003—
−9K041959Polaris DS/CometSyneron Medical, Ltd.2004—
−8K053540Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories…Intermedic Arfran, SA2006—
−7K071295100W Ceralas D 980NM Diode LaserBiolitec, Inc.2007—
−6K072106150W Ceralas D 980NM Diode LaserBiolitec, Inc.2007—
−5K082938EzlaseBiolase Technology, Inc.2008—
−4K121286EPIC 10Biolase Technology, Inc.2012—
−3K170500SIROLaser Advance+Dentsply Sirona2017—
−2K180044SIROLaser BlueDentsply Sirona2018—
−1K210367D-Laser Blue, D-Laser 16Guilin Woodpecker Medical Instrument Co., Ltd.2022—
0 (this device)K243764Medical Diode Laser (UTU3-F7B,UTU3-F7W,UTU3-G7B,UTU3-G7W,UTU-G20B,UTU-G20W)Wuhan Pioon Technology Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
198510
198720
198810
198920
199020
199130
199240
199360
199490
1995140
1996160
1997220
1998140
1999110
2000160
2001170
2002220
2003190
2004110
200570
200620
200760
200840
200920
201010
201110
FIG. 1 — Lineage of K243764, 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 NVK? 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 NVK device

  1. #1 K210367 D-Laser Blue, D-Laser 16score 20.7 · 20 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*K210367D-Laser Blue, D-Laser 16
Summary page 5
…y Class: II Primary Product Code: NVK Secondary Product Code: GEX, ILY 3. Predicate Device Item Predicate Device Reference Devices 510(k) K210367 K232222 K163128 Number Page 1 of 10…
Guilin Woodpecker Medical Instrument Co., Ltd.2022—
†K232222Primo Dental Laser (Primo, Primo Komfort, Primo Lite, Primo Blue, and Primo Triplo)Medency S.R.L.2023—
†K163128Epic ProBiolase, Inc.2017—

Also cleared against K210367: 3 other devices →

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 30 years and passes through 9 companies; a new generation was cleared every 10 months on median.
  • 10 of the 237 ancestors have a recall of any class.
  • 3 other devices also cite its predicate K210367.

How does its category compare?

All NVK devices

NVK Laser, Dental, Soft Tissue: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · NVK

2in 2025

2021: 42022: 52023: 12024: 22025: 22026 (partial year): 2
2007high 5 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NVK

139in 2022

2021: 277 days median2022: 139 days median
2007high 277 (2021) · low 139 (2022)2026

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

Recalls per year · NVK

1in 2023

2008: 12023: 1
2007high 1 (2008) · low 0 (2007)2026

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

Adverse event reports per year · NVK

1in 2024

2015: 42024: 1
2007high 4 (2015) · low 0 (2007)2025

MAUDE reports naming product code NVK, 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—10
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—04
20160—00
20170—00
20180—00
20190—00
20200—00
2021427700
2022513900
20231—10
20242—01
20252—00
20262—0—

What is it indicated for?

The UTU series Medical Diode Laser are intended for intra- and extra-oral surgery including incision, excision, hemostasis, coagulation and vaporization of soft tissue including marginal and inter-dental and epithelial lining of free gingiva and are indicated for: frenectomy; frenotomy; biopsy; operculectomy; implant recovery; gingivectomy; gingivoplasty; gingival troughing; crown lengthening; hemostasis of donor site; removal of granulation tissue…

Read the full statement (259 words)

The UTU series Medical Diode Laser are intended for intra- and extra-oral surgery including incision, excision, hemostasis, coagulation and vaporization of soft tissue including marginal and inter-dental and epithelial lining of free gingiva and are indicated for: frenectomy; frenotomy; biopsy; operculectomy; implant recovery; gingivectomy; gingivoplasty; gingival troughing; crown lengthening; hemostasis of donor site; removal of granulation tissue; laser assisted flap surgery; debridement of diseased epithelial lining; incisions and draining of abscesses; tissue retraction for impressions; papillectomy; vestibuloplasty; excision of lesions; exposure of unerupted/partially erupted teeth; removal of hyperplastic tissues; treatment of aphthous ulcers; leukoplakia; laser removal of diseased, infected, inflamed and necrosed soft tissue within the periodontal pocket; sulcular debridement (removal of diseased, infected, inflamed and necrosed soft tissue in the periodontal pocket to improve clinical indices including gingival index,gingival bleeding index, probe depth, attachment loss and tooth inability); pulpotomy; pulpotomy as adjunct to root canal therapy; fibroma removal; gingival incision and excision; treatment of canker sores; herpetic ulcers of the oral mucosa; laser soft tissue curettage; reduction of gingival hypertrophy.

Whitening: The UTU series Medical Diode Laser are indicated for light activation for bleaching materials for teeth whitening and for laser-assisted whitening/bleaching of teeth.

Low Level Laser Therapy: The UTU series Medical Diode Laser are intended to emit energy in the red and infrared spectrum to provide topical heating for the purpose of elevating tissue temperature for the temporary relief of minor muscle and joint pain and stiffness, minor arthritis pain, or muscle spasm, and for the temporary increase in local blood circulation and/or temporary relaxation of muscles.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K243764: Medical Diode Laser (UTU3-F7B,UTU3-F7W,UTU3-G7B,UTU3-G7W,UTU-G20B,UTU-G20W).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243764

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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