510(k) Report

510(k) · Cleared

Cleared

Leaf Photocoagulator

K190083510(k) TraditionalCleared May 3, 2019106-day reviewClass II21 CFR 886.4390

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

Norlase Aps · HQF Laser, Ophthalmic

Cleared on May 3, 2019 as substantially equivalent to K152603 (Nidek Co., Ltd., 2016) after a 106-day review. Its family tree reaches back 7 generations to 1989. 3 later devices descend from it.

Decided
May 3, 2019
Review
106 days
Class
Class II
Product code
HQF
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K894841 (1989). 21 ancestors in all, the oldest K812219 (1981). 3 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 1 other ancestor2002: 1 other ancestor1996: 3 other ancestors1995: 1 other ancestor2000: 1 other ancestor1999: 1 other ancestor1994: 1 other ancestor1993: 1 other ancestor1991: 1 other ancestor1989: 1 other ancestor1983: 1 other ancestor1981: 1 other ancestor2020: 1 descendant cleared2022: 1 descendant cleared2026: 1 descendant clearedK894841 · Iris Oculight (TM) SL · Iriderm Div. · 1989K960971 · Oculight GL · Iriderm Div. · 1996K980547 · Nidek Prima Model Gyc-1500/2000 · Nidek, Inc. · 1998K032085 · Green Laser Photocoagulator Model Gyc-1000 · Nidek, Inc. · 2003 · recalledK042785 · Multi Color Laser Photocoagulator, Model MC-300 · Nidek, Inc. · 2004K110228 · Nidek Multicolor Laser Photocoagulator · Nidek Incorporated · 2011 · recalledK152603 · Green Laser Photocoagulator GYC-500 · Nidek Co., Ltd. · 201619801990200020102020
  1. Root · 7 generations backK894841 Iris Oculight (TM) SLIriderm Div. · 1989
  2. 6 generations backK960971 Oculight GLIriderm Div. · 1996
  3. 5 generations backK980547 Nidek Prima Model Gyc-1500/2000Nidek, Inc. · 1998
  4. 4 generations backK032085 Green Laser Photocoagulator Model Gyc-1000Nidek, Inc. · 2003 · Recalled
  5. 3 generations backK042785 Multi Color Laser Photocoagulator, Model MC-300Nidek, Inc. · 2004
  6. 2 generations backK110228 Nidek Multicolor Laser PhotocoagulatorNidek Incorporated · 2011 · Recalled
  7. 1 generation backK152603 Green Laser Photocoagulator GYC-500Nidek Co., Ltd. · 2016
  8. This deviceK190083 Leaf PhotocoagulatorNorlase Aps · 2019
  9. Descendant · cites it directly · 1 of its ownK201623 LION PhotocoagulatorNorlase Aps · 2020
  10. Descendant · 2 generations on · 0 of its ownK251507 Integre LioQuantel Medical · 2026
  11. Descendant · cites it directly · 0 of its ownK222157 ECHO PhotocoagulatorNorlase · 2022

Most influential descendants

Showing 3 of 3 · See all
  • K201623LION PhotocoagulatorNorlase Aps · 2020 · cites it directly1descendant
  • K251507Integre LioQuantel Medical · 2026 · 2 generations on0descendants
  • K222157ECHO PhotocoagulatorNorlase · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K894841Iris Oculight (TM) SLIriderm Div.1989—
−6K960971Oculight GLIriderm Div.1996—
−5K980547Nidek Prima Model Gyc-1500/2000Nidek, Inc.1998—
−4K032085Green Laser Photocoagulator Model Gyc-1000Nidek, Inc.20033
−3K042785Multi Color Laser Photocoagulator, Model MC-300Nidek, Inc.2004—
−2K110228Nidek Multicolor Laser PhotocoagulatorNidek Incorporated20114
−1K152603Green Laser Photocoagulator GYC-500Nidek Co., Ltd.2016—
0 (this device)K190083Leaf PhotocoagulatorNorlase Aps2019—
+1K201623LION PhotocoagulatorNorlase Aps2020—
+2K251507Integre LioQuantel Medical2026—
+1K222157ECHO PhotocoagulatorNorlase2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198310
198910
199110
199310
199410
199510
199630
199910
200010
200210
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202210
202610
FIG. 1 — Lineage of K190083, 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 HQF? 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 HQF device

  1. #1 K251772 Navilas Laser System 577sl (156691)score 13.6 · 12 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
*K152603Green Laser Photocoagulator GYC-500
Summary page 4
…(HQF) Classification Panel: Ophthalmology A. Legally Marketed Predicate Devices The predicate device is the NIDEK Green Laser Photocoagulator GYC-500 (“NIDEK”). (K152603) B. Device Description: The Norlase Leaf device consists of a laser unit, a wireless control unit and a foot switch. The laser…
Nidek Co., Ltd.2016—

Also cleared against K152603: 1 other device →

What descends from it? (3)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K201623LION PhotocoagulatorNorlase Aps20201
K222157ECHO PhotocoagulatorNorlase20220

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 5 companies; a new generation was cleared every 5.2 years on median.
  • 2 of the 21 ancestors have a recall of any class.
  • Of its descendants, K201623 (Norlase Aps, 2020) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K152603.

How does its category compare?

All HQF devices

HQF Laser, Ophthalmic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · HQF

3in 2025

2007: 42008: 32009: 72010: 22011: 42012: 52013: 62014: 32015: 42016: 32017: 32018: 12019: 42020: 42021: 12022: 72023: 52024: 32025: 32026 (partial year): 2
2007high 7 (2009) · low 1 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HQF

264in 2025

2007: 198 days median2008: 28 days median2009: 115 days median2011: 128 days median2012: 179 days median2013: 225 days median2014: 215 days median2015: 295 days median2016: 271 days median2017: 189 days median2019: 107 days median2020: 53 days median2022: 86 days median2023: 155 days median2024: 167 days median2025: 264 days median
2007high 295 (2015) · low 28 (2008)2026

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

Recalls per year · HQF

1in 2025

2007: 22008: 12009: 22010: 32011: 52012: 12013: 22014: 42025: 1
2007high 5 (2011) · low 0 (2015)2026

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

Adverse event reports per year · HQF

106in 2025

2007: 602008: 342009: 332010: 432011: 262012: 412013: 392014: 582015: 802016: 1082017: 772018: 822019: 662020: 722021: 1002022: 1112023: 922024: 752025: 106
2007high 111 (2022) · low 26 (2011)2025

MAUDE reports naming product code HQF, 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
20074198260
2008328134
20097115233
20102—343
20114128526
20125179141
20136225239
20143215458
20154295080
201632710108
20173189077
20181—082
20194107066
2020453072
20211—0100
20227860111
20235155092
20243167075
202532641106
20262—0—

What is it indicated for?

The Norlase Leaf Photocoagulator is intended to be used in ophthalmic laser procedures including retinal and macular photocoagulation, iridotomy, and trabeculoplasty.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K190083: Leaf Photocoagulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190083

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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