510(k) · Cleared
ClearedProstiva RF Therapy Generator, Prostiva RF Therapy Hand Piece, Prostiva RF Therapy Return Electrode, Prostiva RF Therapy Tubing System, Prostiva RF Therapy Telescope
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Urologix, Inc. · GEI Electrosurgical, Cutting & Coagulation & Accessories
Cleared on Feb 20, 2015 as substantially equivalent to K113380 (Medtronic, Inc., 2012) after a 190-day review. Its family tree reaches back 5 generations to 1995. 8 later devices descend from it.
- Decided
- Feb 20, 2015
- Review
- 190 days
- Class
- Class II
- Product code
- GEI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K951245 (1995). 10 ancestors in all. 8 later devices descend from it, 1 citing it directly.
- Root · 5 generations backK951245 Vidamed 50 Electrosurgical Generator, Vidamed Aec (Adjustable…Vidamed, Inc. · 1995
- 4 generations backK960918 Vidamed Tuna (Transurethral Needle Ablation) SystemVidamed, Inc. · 1996
- 3 generations backK965061 Vidamed Modedl 7600 RF GeneratorVidamed, Inc. · 1997
- 2 generations backK052413 Tuna System, Models 8909, 8929, 8930, 8934Medtronic Vascular · 2005 · Recalled
- 1 generation backK113380 Prostiva RF Therapy Hand Piece Prostiva RF Therapy RF GeneratorMedtronic, Inc. · 2012 · Recalled
- This deviceK142248 Prostiva RF Therapy Generator, Prostiva RF Therapy Hand Piece…Urologix, Inc. · 2015
- Descendant · cites it directly · 7 of its ownK150786 Rezum SystemNxthera, Inc. · 2015
- Descendant · 2 generations on · 5 of its ownK160417 Rezum SystemNxthera, Inc. · 2016 · Recalled
- Descendant · 3 generations on · 4 of its ownK180237 Rezum SystemNxthera, Inc. · 2018
- Descendant · 4 generations on · 3 of its ownK190093 Rezum Delivery Device, Rezum GeneratorNxthera (A Boston Scientific Company) · 2019
- Descendant · 5 generations on · 2 of its ownK191505 Rezum SystemNxthera (A Boston Scientific Company) · 2019
Showing 5 of 8 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 8 · See all- K150786Rezum SystemNxthera, Inc. · 2015 · cites it directly7descendants
- K160417Rezum SystemNxthera, Inc. · 2016 · 2 generations on5descendants
- K180237Rezum SystemNxthera, Inc. · 2018 · 3 generations on4descendants
- K190093Rezum Delivery Device, Rezum GeneratorNxthera (A Boston Scientific Company) · 2019 · 4 generations on3descendants
- K191505Rezum SystemNxthera (A Boston Scientific Company) · 2019 · 5 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K951245 | Vidamed 50 Electrosurgical Generator, Vidamed Aec (Adjustable Electrosurgical… | Vidamed, Inc. | 1995 | — |
| −4 | K960918 | Vidamed Tuna (Transurethral Needle Ablation) System | Vidamed, Inc. | 1996 | — |
| −3 | K965061 | Vidamed Modedl 7600 RF Generator | Vidamed, Inc. | 1997 | — |
| −2 | K052413 | Tuna System, Models 8909, 8929, 8930, 8934 | Medtronic Vascular | 2005 | 1 |
| −1 | K113380 | Prostiva RF Therapy Hand Piece Prostiva RF Therapy RF Generator | Medtronic, Inc. | 2012 | 2 |
| 0 (this device) | K142248 | Prostiva RF Therapy Generator, Prostiva RF Therapy Hand Piece, Prostiva RF… | Urologix, Inc. | 2015 | — |
| +1 | K150786 | Rezum System | Nxthera, Inc. | 2015 | — |
| +2 | K160417 | Rezum System | Nxthera, Inc. | 2016 | 1 |
| +3 | K180237 | Rezum System | Nxthera, Inc. | 2018 | — |
| +4 | K190093 | Rezum Delivery Device, Rezum Generator | Nxthera (A Boston Scientific Company) | 2019 | — |
| +5 | K191505 | Rezum System | Nxthera (A Boston Scientific Company) | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2010 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
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 GEI? 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 GEI device
- #1 K231790 The InMode System with the Morpheus8 Applicatorsscore 32.7 · 21 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K113380 | Prostiva RF Therapy Hand Piece Prostiva RF Therapy RF GeneratorSummary page 4…ethral needle ablation Product Code GEI, KNS Classification Class II Panel Gastroenterology/Urology Predicate Device Prostiva RF Therapy System (K113380) Name Device Prostiva RF Therapy is a minimally invasive treatment for Description patients with lower urinary… | 2012 |
What descends from it? (8)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K150786 | Rezum System | 2015 | 7 |
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 20 years and passes through 4 companies; a new generation was cleared every 2.3 years on median.
- 2 of the 10 ancestors have a recall of any class.
- Of its descendants, K150786 (Nxthera, Inc., 2015) has gone furthest, with 7 descendants of its own.
- 1 other device also cites its predicate K113380.
How does its category compare?
All GEI devicesGEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.
FDA decisions per year · GEI
52in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GEI
113in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GEI
4in 2025
Class I (14 since 2007) Class II/III not classified
Adverse event reports per year · GEI
7,592in 2025
MAUDE reports naming product code GEI, 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 | 50 | 51 | 21 | 2,795 |
| 2008 | 61 | 71 | 19 | 2,556 |
| 2009 | 42 | 130 | 27 | 3,591 |
| 2010 | 46 | 109 | 51 | 3,377 |
| 2011 | 35 | 135 | 32 | 4,463 |
| 2012 | 39 | 133 | 30 | 5,216 |
| 2013 | 48 | 136 | 13 | 4,897 |
| 2014 | 49 | 103 | 3 | 4,908 |
| 2015 | 47 | 123 | 4 | 4,936 |
| 2016 | 64 | 108 | 3 | 5,616 |
| 2017 | 52 | 72 | 2 | 6,073 |
| 2018 | 47 | 93 | 6 | 6,545 |
| 2019 | 48 | 93 | 5 | 7,067 |
| 2020 | 59 | 105 | 1 | 6,490 |
| 2021 | 46 | 146 | 6 | 6,354 |
| 2022 | 55 | 150 | 49 | 6,103 |
| 2023 | 65 | 104 | 27 (4) | 7,176 |
| 2024 | 59 | 125 | 22 (10) | 7,897 |
| 2025 | 52 | 113 | 4 | 7,592 |
| 2026 | 43 | 183 | 8 | — |
What is it indicated for?
The Prostiva RF Therapy System is indicated for 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 cm3.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K142248 · printed Nov 6, 2026
Cite this page
510(k) Report. “K142248: Prostiva RF Therapy Generator, Prostiva RF Therapy Hand Piece, Prostiva RF Therapy Return Electrode, Prostiva RF Therapy Tubing System, Prostiva RF Therapy Telescope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K142248
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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