510(k) · Cleared
ClearedRF Generators, Disposable Cartridge Kit, Disposable Cartridge, Reusable Handle, Disoisable Handpiece Reusable Telescope
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Vidamed, Inc. · KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories)
Cleared on Dec 11, 2001 after a 123-day review. The FDA summary names no predicate by number.
- Decided
- Dec 11, 2001
- Review
- 123 days
- Class
- Class II
- Product code
- KNS
- Recalls
- None
- Predicates
- 0
The FDA summary names no predicate by number.
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 KNS? 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 KNS device
- #1 K241271 Aqua Medical RF Vapor Ablation Systemscore 17.2 · 20 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
The FDA summary names no predicate by number.
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.
How does its category compare?
All KNS devicesKNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KNS
11in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KNS
171in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KNS
14in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KNS
1,504in 2025
MAUDE reports naming product code KNS, 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 | — | 3 | 164 |
| 2008 | 3 | 61 | 5 | 587 |
| 2009 | 3 | 212 | 2 | 1,027 |
| 2010 | 4 | 168 | 0 | 908 |
| 2011 | 1 | — | 2 | 860 |
| 2012 | 2 | — | 0 | 848 |
| 2013 | 2 | — | 0 | 449 |
| 2014 | 1 | — | 0 | 405 |
| 2015 | 3 | 252 | 0 | 406 |
| 2016 | 3 | 30 | 6 | 457 |
| 2017 | 3 | 48 | 1 | 446 |
| 2018 | 5 | 62 | 0 | 563 |
| 2019 | 7 | 66 | 0 | 668 |
| 2020 | 4 | 212 | 0 | 906 |
| 2021 | 4 | 139 | 41 | 814 |
| 2022 | 3 | 182 | 0 | 913 |
| 2023 | 9 | 83 | 0 | 976 |
| 2024 | 3 | 198 | 14 | 1,533 |
| 2025 | 11 | 171 | 0 | 1,504 |
| 2026 | 2 | — | 4 | — |
What is it indicated for?
The TUNA® System Product Family, including Precision™ TUNA® Office System
and PROVU™ TUNA® System, is indicated for use in the treatment of symptoms due
to urinary outflow obstruction secondary to Benign Prostatic Hyperplasia (BPH) in
men over the age of 50 with prostate sizes between 20 and 50 cc.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K012587 · printed Nov 4, 2026
Cite this page
510(k) Report. “K012587: RF Generators, Disposable Cartridge Kit, Disposable Cartridge, Reusable Handle, Disoisable Handpiece Reusable Telescope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K012587
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
- Page last updated Nov 3, 2026