510(k) Report

510(k) · Cleared

Cleared

NEUWAVE™ Microwave Ablation System and Accessories

K231738510(k) TraditionalCleared Nov 16, 2023155-day reviewClass II21 CFR 878.4400

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Neuwave Medical, Inc. · NEY System, Ablation, Microwave And Accessories

Cleared on Nov 16, 2023 as substantially equivalent to K220472 (Neuwave Medical, Inc., 2022) and 2 other predicates after a 155-day review. Its family tree reaches back 15 generations to 1987.

Decided
Nov 16, 2023
Review
155 days
Class
Class II
Product code
NEY
Recalls
None
Predicates
3

Its longest line of descent runs back 15 generations to K870028 (1987). 47 ancestors in all, the oldest K811390 (1981). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2007: 1 other ancestor2006: 2 other ancestors2002: 4 other ancestors2000: 2 other ancestors2001: 3 other ancestors1999: 3 other ancestors2003: 2 other ancestors1998: 3 other ancestors1997: 4 other ancestors1996: 2 other ancestors1986: 2 other ancestors1988: 1 other ancestor1981: 1 other ancestor1995: 1 other ancestor1991: 1 other ancestorK870028 · SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible · Radionics, Inc. · 1987K963577 · Radionics Sluijter-Mehta Cannula · Radionics, Inc. · 1996K980430 · Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) · Radionics, Inc. · 1998K021329 · Rita System · Rita Medical Systems · 2002K042216 · Cool-Tip RF Ablation System · Valleylab · 2004K053290 · Cool-Tip RF Generator, Cool-Tip RF System Accessories · Valleylab · 2006K072687 · Valleylab Microwave Ablation Generator · Covidien Lp, Formerly Know AS Valleylab, A Divison · 2008K100744 · Certus 140 Microwave Ablation System and Accessories, Model Certus 140 · Neuwave Medical, Inc. · 2010K113237 · Certus 140 2.45GHZ Ablation System · Neuwave Medical, Inc. · 2012K122217 · Certus 140 2.45GHZ Ablation System · Neuwave Medical, Inc. · 2012K130399 · Certus 140 Certusurggt Surgical Tool · Neuwave Medical, Inc. · 2013K160936 · Certus 140 2.45GHz Ablation System · Neuwave Medical, Inc. · 2016K173756 · Certus 140 2.45GHz Ablation System · Neuwave Medical, Inc. · 2018K200081 · NEUWAVE Microwave Ablation System and Accessories · Neuwave Medical, Inc. · 2020K220472 · NEUWAVE Microwave Ablation System and Accessories · Neuwave Medical, Inc. · 202219801990200020102020
Other ancestors, by generation 3 generations back: 5 other ancestors4 generations back: 5 other ancestors5 generations back: 11 other ancestors6 generations back: 8 other ancestors7 generations back: 3 other ancestors K220472 · NEUWAVE Microwave Ablation System and Accessories · Neuwave Medical, Inc. · 2022K200081 · NEUWAVE Microwave Ablation System and Accessories · Neuwave Medical, Inc. · 2020K173756 · Certus 140 2.45GHz Ablation System · Neuwave Medical, Inc. · 2018K160936 · Certus 140 2.45GHz Ablation System · Neuwave Medical, Inc. · 2016K130399 · Certus 140 Certusurggt Surgical Tool · Neuwave Medical, Inc. · 2013K122217 · Certus 140 2.45GHZ Ablation System · Neuwave Medical, Inc. · 2012K113237 · Certus 140 2.45GHZ Ablation System · Neuwave Medical, Inc. · 2012K100744 · Certus 140 Microwave Ablation System and Accessories, Model Certus 140 · Neuwave Medical, Inc. · 2010K072687 · Valleylab Microwave Ablation Generator · Covidien Lp, Formerly Know AS Valleylab, A Divison · 2008K053290 · Cool-Tip RF Generator, Cool-Tip RF System Accessories · Valleylab · 2006K042216 · Cool-Tip RF Ablation System · Valleylab · 2004K021329 · Rita System · Rita Medical Systems · 2002K980430 · Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) · Radionics, Inc. · 1998K963577 · Radionics Sluijter-Mehta Cannula · Radionics, Inc. · 1996K870028 · SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible · Radionics, Inc. · 1987−15−10−50
  1. Root · 15 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 11 generations between
  3. 3 generations backK173756 Certus 140 2.45GHz Ablation SystemNeuwave Medical, Inc. · 2018
  4. 2 generations backK200081 NEUWAVE Microwave Ablation System and AccessoriesNeuwave Medical, Inc. · 2020
  5. 1 generation backK220472 NEUWAVE Microwave Ablation System and AccessoriesNeuwave Medical, Inc. · 2022
  6. This deviceK231738 NEUWAVE™ Microwave Ablation System and AccessoriesNeuwave Medical, Inc. · 2023
Show all 15 generations
  1. Root · 15 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 14 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
  3. 13 generations backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
  4. 12 generations backK021329 Rita SystemRita Medical Systems · 2002
  5. 11 generations backK042216 Cool-Tip RF Ablation SystemValleylab · 2004
  6. 10 generations backK053290 Cool-Tip RF Generator, Cool-Tip RF System AccessoriesValleylab · 2006
  7. 9 generations backK072687 Valleylab Microwave Ablation GeneratorCovidien Lp, Formerly Know AS Valleylab, A Divison · 2008
  8. 8 generations backK100744 Certus 140 Microwave Ablation System and Accessories, Model Certus 140Neuwave Medical, Inc. · 2010
  9. 7 generations backK113237 Certus 140 2.45GHZ Ablation SystemNeuwave Medical, Inc. · 2012
  10. 6 generations backK122217 Certus 140 2.45GHZ Ablation SystemNeuwave Medical, Inc. · 2012
  11. 5 generations backK130399 Certus 140 Certusurggt Surgical ToolNeuwave Medical, Inc. · 2013
  12. 4 generations backK160936 Certus 140 2.45GHz Ablation SystemNeuwave Medical, Inc. · 2016
  13. 3 generations backK173756 Certus 140 2.45GHz Ablation SystemNeuwave Medical, Inc. · 2018
  14. 2 generations backK200081 NEUWAVE Microwave Ablation System and AccessoriesNeuwave Medical, Inc. · 2020
  15. 1 generation backK220472 NEUWAVE Microwave Ablation System and AccessoriesNeuwave Medical, Inc. · 2022
  16. This deviceK231738 NEUWAVE™ Microwave Ablation System and AccessoriesNeuwave Medical, Inc. · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−15K870028SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc.1987—
−14K963577Radionics Sluijter-Mehta CannulaRadionics, Inc.1996—
−13K980430Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc.1998—
−12K021329Rita SystemRita Medical Systems2002—
−11K042216Cool-Tip RF Ablation SystemValleylab2004—
−10K053290Cool-Tip RF Generator, Cool-Tip RF System AccessoriesValleylab2006—
−9K072687Valleylab Microwave Ablation GeneratorCovidien Lp, Formerly Know AS Valleylab, A Divison2008—
−8K100744Certus 140 Microwave Ablation System and Accessories, Model Certus 140Neuwave Medical, Inc.2010—
−7K113237Certus 140 2.45GHZ Ablation SystemNeuwave Medical, Inc.2012—
−6K122217Certus 140 2.45GHZ Ablation SystemNeuwave Medical, Inc.2012—
−5K130399Certus 140 Certusurggt Surgical ToolNeuwave Medical, Inc.2013—
−4K160936Certus 140 2.45GHz Ablation SystemNeuwave Medical, Inc.2016—
−3K173756Certus 140 2.45GHz Ablation SystemNeuwave Medical, Inc.2018—
−2K200081NEUWAVE Microwave Ablation System and AccessoriesNeuwave Medical, Inc.2020—
−1K220472NEUWAVE Microwave Ablation System and AccessoriesNeuwave Medical, Inc.2022—
0 (this device)K231738NEUWAVE™ Microwave Ablation System and AccessoriesNeuwave Medical, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198620
198810
199110
199510
199620
199740
199830
199930
200020
200130
200240
200320
200620
200710
FIG. 1 — Lineage of K231738, 1987–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

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 NEY? 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 NEY device

  1. #1 K253771 Disposable Microwave Ablation Antenna…score 14.5 · 13 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (3)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K220472NEUWAVE Microwave Ablation System and Accessories
Summary page 5
…Accessories is substantially equivalent to the following currently marketed device: Predicate Device - NEUWAVE Microwave Ablation System and Accessories [K220472 with predicate probe PRS15 (originally cleared as part of K200081) & NWSR25 (originally cleared as part of K130399)…
Neuwave Medical, Inc.2022—
*K200081NEUWAVE Microwave Ablation System and Accessories
Summary page 5
…y marketed device: Predicate Device - NEUWAVE Microwave Ablation System and Accessories [K220472 with predicate probe PRS15 (originally cleared as part of K200081) & NWSR25 (originally cleared as part of K130399)] NEUWAVE Microwave Ablation System 510(k) Summary Page 1 of 7 === Page…
Neuwave Medical, Inc.2020—
*K130399Certus 140 Certusurggt Surgical Tool
Summary page 5
…crowave Ablation System and Accessories [K220472 with predicate probe PRS15 (originally cleared as part of K200081) & NWSR25 (originally cleared as part of K130399)] NEUWAVE Microwave Ablation System 510(k) Summary Page 1 of 7 Indications for Use The NEUWAVE™ Mic…
Neuwave Medical, Inc.2013—

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.

What does this lineage say?

  • The line of descent spans 36 years and passes through 5 companies; a new generation was cleared every 1.9 years on median.
  • 7 of the 47 ancestors have a recall of any class.

How does its category compare?

All NEY devices

NEY System, Ablation, Microwave And Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · NEY

1in 2025

2007: 22008: 32009: 42010: 32012: 32013: 12014: 12015: 22016: 32017: 32018: 32019: 22020: 72021: 42022: 12023: 92024: 72025: 12026 (partial year): 2
2007high 9 (2023) · low 0 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NEY

94in 2024

2008: 145 days median2009: 169 days median2010: 219 days median2012: 81 days median2016: 30 days median2017: 121 days median2018: 90 days median2020: 178 days median2021: 379 days median2023: 155 days median2024: 94 days median
2007high 379 (2021) · low 30 (2016)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NEY

1in 2022

2017: 122018: 32021: 12022: 1
2007high 12 (2017) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NEY

112in 2025

2007: 182008: 152009: 72010: 282011: 262012: 92013: 162014: 272015: 922016: 1762017: 2252018: 1022019: 1232020: 1282021: 2172022: 1422023: 1062024: 1412025: 112
2007high 225 (2017) · low 7 (2009)2025

MAUDE reports naming product code NEY, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—018
20083145015
2009416907
20103219028
20110—026
201238109
20131—016
20141—027
20152—092
20163300176
2017312112225
20183903102
20192—0123
202071780128
202143791217
20221—1142
202391550106
20247940141
20251—0112
20262—0—

What is it indicated for?

The NEUWAVE™ Microwave Ablation System and Accessories are indicated for the ablation (coagulation) of soft tissue in percutaneous, open surgical and in conjunction with laparoscopic surgical settings, including the partial or complete ablation of non-resectable liver tumors.

The NEUWAVE Microwave Ablation System is not indicated for use in cardiac procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K231738: NEUWAVE™ Microwave Ablation System and Accessories.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231738

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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