510(k) · Cleared
ClearedCool-Tip Switching Controller, CTSW Control
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Valleylab,A Division of Tyco Healthcare Group LP · GEI Electrosurgical, Cutting & Coagulation & Accessories
Cleared on May 2, 2007 as substantially equivalent to K973297 (Radionics, Inc., 1997) and 4 other predicates after a 76-day review. Its family tree reaches back 6 generations to 1987. 2 later devices descend from it.
- Decided
- May 2, 2007
- Review
- 76 days
- Class
- Class II
- Product code
- GEI
- Recalls
- None
- Predicates
- 5
Its longest line of descent runs back 6 generations to K870028 (1987). 19 ancestors in all. 2 later devices descend from it, 2 citing it directly.
- Root · 6 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
- 5 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
- 4 generations backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
- 3 generations backK021329 Rita SystemRita Medical Systems · 2002
- 2 generations backK042216 Cool-Tip RF Ablation SystemValleylab · 2004
- 1 generation backK052796 Cool-Tip RF Generator, Cool-Tip RF System AccessoriesValleylab · 2006
- This deviceK070446 Cool-Tip Switching Controller, CTSW ControlValleylab,A Division of Tyco Healthcare Group LP · 2007
- Descendant · cites it directly · 0 of its ownK203150 Cool-tip RF Ablation System E SeriesCovidien, LLC · 2022
- Descendant · cites it directly · 0 of its ownK192715 CRF Radiofrequency Ablation SystemCambridge Interventional, LLC · 2020
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 |
|---|---|---|---|---|---|
| −6 | K870028 | SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible | Radionics, Inc. | 1987 | — |
| −5 | K963577 | Radionics Sluijter-Mehta Cannula | Radionics, Inc. | 1996 | — |
| −4 | K980430 | Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) | Radionics, Inc. | 1998 | — |
| −3 | K021329 | Rita System | Rita Medical Systems | 2002 | — |
| −2 | K042216 | Cool-Tip RF Ablation System | Valleylab | 2004 | — |
| −1 | K052796 | Cool-Tip RF Generator, Cool-Tip RF System Accessories | Valleylab | 2006 | — |
| 0 (this device) | K070446 | Cool-Tip Switching Controller, CTSW Control | Valleylab,A Division of Tyco Healthcare Group LP | 2007 | — |
| +1 | K203150 | Cool-tip RF Ablation System E Series | Covidien, LLC | 2022 | — |
| +1 | K192715 | CRF Radiofrequency Ablation System | Cambridge Interventional, LLC | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2003 | 2 | 0 |
| 2006 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2020 | 1 | 0 |
| 2022 | 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? (5)
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 |
|---|---|---|---|
| * | K973297 | Cosman Coagulator (CC-1) SystemSummary page 1…the Cool-tipTM Switching Controller is identical to that of the Cool- tipTM RF System. The Cool-tip TM RF System received initial FDA clearance in 510(k)s K973297 (10/29/97) and K984552 (3/5/99). Additional clearance with the Cool-tip TM RF System was obtained for specific claims unde… | 1997 |
| * | K984552 | Cool-Tip RF SystemSummary page 1…ng Controller is identical to that of the Cool- tipTM RF System. The Cool-tip TM RF System received initial FDA clearance in 510(k)s K973297 (10/29/97) and K984552 (3/5/99). Additional clearance with the Cool-tip TM RF System was obtained for specific claims under 510(k)s K042216 (Live… | 1999 |
| * | K042216 | Cool-Tip RF Ablation SystemSummary page 1…ance in 510(k)s K973297 (10/29/97) and K984552 (3/5/99). Additional clearance with the Cool-tip TM RF System was obtained for specific claims under 510(k)s K042216 (Liver lesions, 11/12/04), K052796 (Osteoid Osteoma claim, 2/3/06) and K053290 (Liver tumor claim, 3/15/06). 4.… | 2004 |
| * | K052796 | Cool-Tip RF Generator, Cool-Tip RF System AccessoriesSummary page 1…and K984552 (3/5/99). Additional clearance with the Cool-tip TM RF System was obtained for specific claims under 510(k)s K042216 (Liver lesions, 11/12/04), K052796 (Osteoid Osteoma claim, 2/3/06) and K053290 (Liver tumor claim, 3/15/06). 4. Device Description The Cool-tipT… | 2006 |
| * | K053290 | Cool-Tip RF Generator, Cool-Tip RF System AccessoriesSummary page 1…ith the Cool-tip TM RF System was obtained for specific claims under 510(k)s K042216 (Liver lesions, 11/12/04), K052796 (Osteoid Osteoma claim, 2/3/06) and K053290 (Liver tumor claim, 3/15/06). 4. Device Description The Cool-tipTM Switching Controller (CTSW Control) is an… | 2006 |
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?
- The line of descent spans 20 years and passes through 4 companies; a new generation was cleared every 2.1 years on median.
- 5 of the 19 ancestors have a recall of any class.
- Of its descendants, K203150 (Covidien, LLC, 2022) has gone furthest, with 0 descendants of its own.
How does its category compare?
All GEI devicesGEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, 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 Cool-tipTM RF Switching Controller is to be used with the Cool-tipTM RF System and is intended for use in percutaneous, laparoscopic, intraoperative coagulation and ablation of tissue, such as the partial or complete ablation of non-resectable liver tumors, and osteoid osteoma tumors within bone.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K070446 · printed Nov 3, 2026
Cite this page
510(k) Report. “K070446: Cool-Tip Switching Controller, CTSW Control.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K070446
Report an extraction error
Are you the manufacturer?
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