510(k) · Cleared
ClearedLaser Flare Cell Meter FC-1000
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Kowa Optimed, Inc. · HJO Biomicroscope, Slit-Lamp, Ac-Powered
Cleared on Sep 27, 1988 after a 207-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 later devices descend from it.
- Decided
- Sep 27, 1988
- Review
- 207 days
- Class
- Class II
- Product code
- HJO
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 1 citing it directly.
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K880920 | Laser Flare Cell Meter FC-1000 | Kowa Optimed, Inc. | 1988 | — |
| +1 | K091039 | Kowa, FM-600, Model LSS50 | Kowa Co., Ltd. | 2009 | — |
| +2 | K261255 | Kowa FM-600 | Kowa Company, Ltd. Chofu Factory | 2026 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in HJO? 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 HJO device
- #1 K253834 Visuref 600score 13.1 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K091039 | Kowa, FM-600, Model LSS50 | 2009 | 1 |
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?
- Of its descendants, K091039 (Kowa Co., Ltd., 2009) has gone furthest, with 1 descendant of its own.
How does its category compare?
All HJO devicesHJO Biomicroscope, Slit-Lamp, Ac-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HJO
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · HJO
232in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HJO
1in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HJO
20in 2025
MAUDE reports naming product code HJO, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 1 |
| 2008 | 4 | 117 | 0 | 3 |
| 2009 | 3 | 91 | 0 | 3 |
| 2010 | 5 | 121 | 0 | 2 |
| 2011 | 2 | — | 0 | 5 |
| 2012 | 0 | — | 0 | 7 |
| 2013 | 2 | — | 2 | 16 |
| 2014 | 10 | 196 | 0 | 4 |
| 2015 | 2 | — | 2 | 8 |
| 2016 | 5 | 243 | 0 | 15 |
| 2017 | 9 | 232 | 0 | 15 |
| 2018 | 2 | — | 1 | 11 |
| 2019 | 0 | — | 0 | 13 |
| 2020 | 1 | — | 0 | 19 |
| 2021 | 0 | — | 0 | 14 |
| 2022 | 1 | — | 0 | 6 |
| 2023 | 0 | — | 0 | 18 |
| 2024 | 1 | — | 0 | 18 |
| 2025 | 0 | — | 0 | 20 |
| 2026 | 2 | — | 0 | — |
https://510kreport.com/device/K880920 · printed Nov 4, 2026
Cite this page
510(k) Report. “K880920: Laser Flare Cell Meter FC-1000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K880920
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026