510(k) Report

510(k) · Cleared

Cleared

Disposable Microwave Ablation Antenna (DW-XR-II1, DW-XR-II3, DW-XR-II4, DW-XR-II14, DW-XR-II5, DW-XR-II6, DW-XR-II7, DW-XR-II8, DW-XR-II9, DW-XR-II10, DW-XR-II18, DW-XR-II19, DW-XR-II20, DW-XR-II21, DW-DG-II6, DW-DG-II7, DW-DG-II9, DW-DG-II10, DW-DG-II13)

K253771510(k) TraditionalCleared Mar 2, 202696-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

Nanjing Devin Medical Technology Co., Ltd. · NEY System, Ablation, Microwave And Accessories

Cleared on Mar 2, 2026 as substantially equivalent to K232241 (Betters (Suzhou) Medical Co., Ltd., 2023) after a 96-day review. Its family tree reaches back 13 generations to 1987.

Decided
Mar 2, 2026
Review
96 days
Class
Class II
Product code
NEY
Recalls
None
Predicates
1

Its longest line of descent runs back 13 generations to K870028 (1987). 45 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 ancestors2003: 2 other ancestors2001: 3 other ancestors1999: 3 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. · 2012K133821 · Emprint Ablation System · Covidien, LLC · 2014 · recalledK183153 · Microwave Ablation System · Surgnova Healthcare Technologies (Zhejiang) Co., Ltd. · 2019K201265 · Disposable Microwave Therapeutic Antennas · Nanjing Eco Microwave System Co., Ltd. · 2021K232241 · Disposable Microwave Ablation Needle (T-1408, T-1410, T-1608, T-1610, L-1815, L-1818, L-2015, L-2018) · Betters (Suzhou) Medical Co., Ltd. · 202319801990200020102020
  1. Root · 13 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 9 generations between
  3. 3 generations backK183153 Microwave Ablation SystemSurgnova Healthcare Technologies (Zhejiang) Co., Ltd. · 2019
  4. 2 generations backK201265 Disposable Microwave Therapeutic AntennasNanjing Eco Microwave System Co., Ltd. · 2021
  5. 1 generation backK232241 Disposable Microwave Ablation Needle (T-1408, T-1410, T-1608…Betters (Suzhou) Medical Co., Ltd. · 2023
  6. This deviceK253771 Disposable Microwave Ablation Antenna (DW-XR-II1, DW-XR-II3…Nanjing Devin Medical Technology Co., Ltd. · 2026
Show all 13 generations
  1. Root · 13 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 12 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
  3. 11 generations backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
  4. 10 generations backK021329 Rita SystemRita Medical Systems · 2002
  5. 9 generations backK042216 Cool-Tip RF Ablation SystemValleylab · 2004
  6. 8 generations backK053290 Cool-Tip RF Generator, Cool-Tip RF System AccessoriesValleylab · 2006
  7. 7 generations backK072687 Valleylab Microwave Ablation GeneratorCovidien Lp, Formerly Know AS Valleylab, A Divison · 2008
  8. 6 generations backK100744 Certus 140 Microwave Ablation System and Accessories, Model Certus 140Neuwave Medical, Inc. · 2010
  9. 5 generations backK113237 Certus 140 2.45GHZ Ablation SystemNeuwave Medical, Inc. · 2012
  10. 4 generations backK133821 Emprint Ablation SystemCovidien, LLC · 2014 · Recalled
  11. 3 generations backK183153 Microwave Ablation SystemSurgnova Healthcare Technologies (Zhejiang) Co., Ltd. · 2019
  12. 2 generations backK201265 Disposable Microwave Therapeutic AntennasNanjing Eco Microwave System Co., Ltd. · 2021
  13. 1 generation backK232241 Disposable Microwave Ablation Needle (T-1408, T-1410, T-1608…Betters (Suzhou) Medical Co., Ltd. · 2023
  14. This deviceK253771 Disposable Microwave Ablation Antenna (DW-XR-II1, DW-XR-II3…Nanjing Devin Medical Technology Co., Ltd. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−13K870028SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc.1987—
−12K963577Radionics Sluijter-Mehta CannulaRadionics, Inc.1996—
−11K980430Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc.1998—
−10K021329Rita SystemRita Medical Systems2002—
−9K042216Cool-Tip RF Ablation SystemValleylab2004—
−8K053290Cool-Tip RF Generator, Cool-Tip RF System AccessoriesValleylab2006—
−7K072687Valleylab Microwave Ablation GeneratorCovidien Lp, Formerly Know AS Valleylab, A Divison2008—
−6K100744Certus 140 Microwave Ablation System and Accessories, Model Certus 140Neuwave Medical, Inc.2010—
−5K113237Certus 140 2.45GHZ Ablation SystemNeuwave Medical, Inc.2012—
−4K133821Emprint Ablation SystemCovidien, LLC20147
−3K183153Microwave Ablation SystemSurgnova Healthcare Technologies (Zhejiang) Co., Ltd.2019—
−2K201265Disposable Microwave Therapeutic AntennasNanjing Eco Microwave System Co., Ltd.2021—
−1K232241Disposable Microwave Ablation Needle (T-1408, T-1410, T-1608, T-1610, L-1815…Betters (Suzhou) Medical Co., Ltd.2023—
0 (this device)K253771Disposable Microwave Ablation Antenna (DW-XR-II1, DW-XR-II3, DW-XR-II4…Nanjing Devin Medical Technology Co., Ltd.2026—

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 K253771, 1987–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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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 K252632 Microwave Ablation Devicescore 14.5 · 13 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K232241Disposable Microwave Ablation Needle (T-1408, T-1410, T-1608, T-1610, L-1815, L-1818…
Summary page 5
…ulation device and accessories Regulatory Class: Class II Product codes: NEY Regulation Medical Specialty: General & Plastic Surgery III Predicate Device 510(k) Number: K232241 Trade/Device Name: Disposable Microwave Ablation Needle Regulation Number: 21 CFR 878.4400 Regulation Name: Electrosurgical cutti…
Betters (Suzhou) Medical Co., Ltd.2023—

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 39 years and passes through 10 companies; a new generation was cleared every 2.3 years on median.
  • 8 of the 45 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. 2026, 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 Disposable Microwave Ablation Antenna, used in conjunction with the compatible Microwave Ablation Device, is intended for the coagulation (ablation) of soft tissue. The Disposable Microwave Ablation Antenna is not intended for cardiac use.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253771: Disposable Microwave Ablation Antenna (DW-XR-II1, DW-XR-II3, DW-XR-II4, DW-XR-II14, DW-XR-II5, DW-XR-II6, DW-XR-II7, DW-XR-II8, DW-XR-II9, DW-XR-II10, DW-XR-II18, DW-XR-II19, DW-XR-II20, DW-XR-II21, DW-DG-II6, DW-DG-II7, DW-DG-II9, DW-DG-II10, DW-DG-II13).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K253771

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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