510(k) Report

510(k) · Cleared

Cleared

Kowa FM-600

K261255510(k) TraditionalCleared Sep 11, 2026148-day reviewClass II21 CFR 886.1570

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

Kowa Company, Ltd. Chofu Factory · MYC Ophthalmoscope, Laser, Scanning

Cleared on Sep 11, 2026 as substantially equivalent to K091039 (Kowa Co., Ltd., 2009) after a 148-day review. Its family tree reaches back 2 generations to 1988.

Decided
Sep 11, 2026
Review
148 days
Class
Class II
Product code
MYC
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K880920 (1988). 3 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by generation 2 generations back: 1 other ancestor K091039 · Kowa, FM-600, Model LSS50 · Kowa Co., Ltd. · 2009K880920 · Laser Flare Cell Meter FC-1000 · Kowa Optimed, Inc. · 19880
  1. Root · 2 generations backK880920 Laser Flare Cell Meter FC-1000Kowa Optimed, Inc. · 1988
  2. 1 generation backK091039 Kowa, FM-600, Model LSS50Kowa Co., Ltd. · 2009
  3. This deviceK261255 Kowa FM-600Kowa Company, Ltd. Chofu Factory · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K880920Laser Flare Cell Meter FC-1000Kowa Optimed, Inc.1988—
−1K091039Kowa, FM-600, Model LSS50Kowa Co., Ltd.2009—
0 (this device)K261255Kowa FM-600Kowa Company, Ltd. Chofu Factory2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
FIG. 1 — Lineage of K261255, 1988–2026Source: 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 MYC? 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 MYC device

  1. #1 K241931 OcuMet Beacon (OCUB100)score 11.9 · 10 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
*K091039Kowa, FM-600, Model LSS50
Summary page 5
…886.1570 Product Code(s) MYC Class II Legally Marketed Predicate Devices Predicate # K091039 Predicate Trade Name (Primary Predicate is listed first) KOWA FM-600 Product Code…
Kowa Co., Ltd.2009—
†K053444Kowa KT-800Kowa Co., Ltd.2006—

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 38 years and passes through 3 companies; a new generation was cleared every 20.9 years on median.
  • None of the 3 ancestors has a recall.

How does its category compare?

All MYC devices

MYC Ophthalmoscope, Laser, Scanning: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · MYC

2in 2025

2008: 12009: 32010: 22011: 22013: 12014: 22015: 22016: 12018: 22019: 12021: 22025: 22026 (partial year): 1
2007high 3 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MYC

116in 2009

2009: 116 days median
2007high 116 (2009)2026

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

Recalls per year · MYC

No recall names MYC since 2007.

Adverse event reports per year · MYC

2in 2023

2021: 12023: 2
2007high 2 (2023) · low 0 (2007)2025

MAUDE reports naming product code MYC, 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
20081—00
2009311600
20102—00
20112—00
20120—00
20131—00
20142—00
20152—00
20161—00
20170—00
20182—00
20191—00
20200—00
20212—01
20220—00
20230—02
20240—00
20252—00
20261—0—

What is it indicated for?

KOWA FM-600 is an instrument to measure the protein level contained in aqueous humor of the anterior chamber of human eye.

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. “K261255: Kowa FM-600.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K261255

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026