510(k) · Cleared
ClearedYZ3 Portable Slit Lamp
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Suzhou 66 Vision Tech Co., Ltd. · HJO Biomicroscope, Slit-Lamp, Ac-Powered
Cleared on May 9, 2014 after a 332-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 2 later devices descend from it.
- Decided
- May 9, 2014
- Review
- 332 days
- Class
- Class II
- Product code
- HJO
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 2 citing it directly.
- This deviceK131711 YZ3 Portable Slit LampSuzhou 66 Vision Tech Co., Ltd. · 2014
- Descendant · cites it directly · 0 of its ownK182306 Sunkingdom Slit LampChongqing Sunkingdom Medical Instrument Co., Ltd. · 2018
- Descendant · cites it directly · 0 of its ownK162778 Portable Slit Lamp MicroscopeSuzhou Kangjie Medical, Inc. · 2017
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) | K131711 | YZ3 Portable Slit Lamp | Suzhou 66 Vision Tech Co., Ltd. | 2014 | — |
| +1 | K182306 | Sunkingdom Slit Lamp | Chongqing Sunkingdom Medical Instrument Co., Ltd. | 2018 | — |
| +1 | K162778 | Portable Slit Lamp Microscope | Suzhou Kangjie Medical, Inc. | 2017 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), 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’s file for it is a 510(k) statement, which names no predicate.
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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, K182306 (Chongqing Sunkingdom Medical Instrument Co., Ltd., 2018) has gone furthest, with 0 descendants 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. 2014, this device’s year, is highlighted.
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 | — |
What is it indicated for?
The YZ3 Portable Slit Lamp is intended for use in the examination of the anterior and posterior segment of the eye.
Indications for use as stated in the FDA 510(k) statement.
https://510kreport.com/device/K131711 · printed Nov 6, 2026
Cite this page
510(k) Report. “K131711: YZ3 Portable Slit Lamp.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K131711
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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