510(k) Report

510(k) · Cleared

Cleared

NanoKnife Generator (H78720300351US0)

K253198510(k) TraditionalCleared Mar 24, 2026179-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

Angiodynamics · OAB Low Energy Direct Current Thermal Ablation System

Cleared on Mar 24, 2026 as substantially equivalent to K242687 (AngioDynamics, Inc., 2024) after a 179-day review. Its family tree reaches back 13 generations to 1995.

Decided
Mar 24, 2026
Review
179 days
Class
Class II
Product code
OAB
Recalls
None
Predicates
1

Its longest line of descent runs back 13 generations to K942299 (1995). 51 ancestors in all, the oldest K811390 (1981). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2008: 1 other ancestor2007: 1 other ancestor2004: 1 other ancestor2001: 5 other ancestors1999: 4 other ancestors2002: 2 other ancestors1998: 3 other ancestors1997: 7 other ancestors1992: 2 other ancestors1988: 1 other ancestor1981: 1 other ancestor2000: 3 other ancestors1995: 4 other ancestors1994: 1 other ancestor1991: 1 other ancestor1996: 1 other ancestorK942299 · Endocare Cryotherapy System · Cytocare, Inc. · 1995K963826 · Endocare Crycare Cryosurgical System · Endocare, Inc. · 1996×2: 2 generations cleared close together, K973686 (1997), K980110 (1998) K011722 · Atricure Bipolar Coagulation System · AtriCure, Inc. · 2001K020919 · Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1 · AtriCure, Inc. · 2002K031247 · Cardioblate Bipolar Radiofrequency Surgical Ablation System · Medtronic Vascular · 2003K060054 · Oncobionic System · Oncobionics, Inc. · 2006K080376 · Oncobionic System · Oncobionic Incorporated · 2008 · recalledK102329 · Nanoknife System · AngioDynamics, Inc. · 2011 · recalledK150089 · NanoKnife System · AngioDynamics, Inc. · 2015 · recalledK183385 · NanoKnife System · Angiodynamics · 2019 · recalledK242687 · NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode Activation Probe, 15 cm (H787204001090); NanoKnife Single Electrode Activation Probe, 25 cm (H787204001100); NanoKnife Single Electrode Probe Spacer (H787204003010) · AngioDynamics, Inc. · 202419801990200020102020
Other ancestors, by generation 5 generations back: 1 other ancestor6 generations back: 1 other ancestor7 generations back: 3 other ancestors8 generations back: 5 other ancestors9 generations back: 7 other ancestors10 generations back: 15 other ancestors11 generations back: 4 other ancestors12 generations back: 2 other ancestors K242687 · NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode Activation Probe, 15 cm (H787204001090); NanoKnife Single Electrode Activation Probe, 25 cm (H787204001100); NanoKnife Single Electrode Probe Spacer (H787204003010) · AngioDynamics, Inc. · 2024K183385 · NanoKnife System · Angiodynamics · 2019 · recalledK150089 · NanoKnife System · AngioDynamics, Inc. · 2015 · recalledK102329 · Nanoknife System · AngioDynamics, Inc. · 2011 · recalledK080376 · Oncobionic System · Oncobionic Incorporated · 2008 · recalledK060054 · Oncobionic System · Oncobionics, Inc. · 2006K031247 · Cardioblate Bipolar Radiofrequency Surgical Ablation System · Medtronic Vascular · 2003K020919 · Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1 · AtriCure, Inc. · 2002K011722 · Atricure Bipolar Coagulation System · AtriCure, Inc. · 2001K980110 · Endocre Cryocare Cryosurgical System · Endocare, Inc. · 1998K973686 · Endocare Cryocare Cryosurgical System · Endocare, Inc. · 1997K963826 · Endocare Crycare Cryosurgical System · Endocare, Inc. · 1996K942299 · Endocare Cryotherapy System · Cytocare, Inc. · 1995−10−50
  1. Root · 13 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 9 generations between
  3. 3 generations backK150089 NanoKnife SystemAngioDynamics, Inc. · 2015 · Recalled
  4. 2 generations backK183385 NanoKnife SystemAngiodynamics · 2019 · Recalled
  5. 1 generation backK242687 NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode…AngioDynamics, Inc. · 2024
  6. This deviceK253198 NanoKnife Generator (H78720300351US0)Angiodynamics · 2026
Show all 13 generations
  1. Root · 13 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 12 generations backK963826 Endocare Crycare Cryosurgical SystemEndocare, Inc. · 1996
  3. 11 generations backK973686 Endocare Cryocare Cryosurgical SystemEndocare, Inc. · 1997
  4. 10 generations backK980110 Endocre Cryocare Cryosurgical SystemEndocare, Inc. · 1998
  5. 9 generations backK011722 Atricure Bipolar Coagulation SystemAtriCure, Inc. · 2001
  6. 8 generations backK020919 Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc. · 2002
  7. 7 generations backK031247 Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular · 2003
  8. 6 generations backK060054 Oncobionic SystemOncobionics, Inc. · 2006
  9. 5 generations backK080376 Oncobionic SystemOncobionic Incorporated · 2008 · Recalled
  10. 4 generations backK102329 Nanoknife SystemAngioDynamics, Inc. · 2011 · Recalled
  11. 3 generations backK150089 NanoKnife SystemAngioDynamics, Inc. · 2015 · Recalled
  12. 2 generations backK183385 NanoKnife SystemAngiodynamics · 2019 · Recalled
  13. 1 generation backK242687 NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode…AngioDynamics, Inc. · 2024
  14. This deviceK253198 NanoKnife Generator (H78720300351US0)Angiodynamics · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−13K942299Endocare Cryotherapy SystemCytocare, Inc.1995—
−12K963826Endocare Crycare Cryosurgical SystemEndocare, Inc.1996—
−11K973686Endocare Cryocare Cryosurgical SystemEndocare, Inc.1997—
−10K980110Endocre Cryocare Cryosurgical SystemEndocare, Inc.1998—
−9K011722Atricure Bipolar Coagulation SystemAtriCure, Inc.2001—
−8K020919Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc.2002—
−7K031247Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular2003—
−6K060054Oncobionic SystemOncobionics, Inc.2006—
−5K080376Oncobionic SystemOncobionic Incorporated20081
−4K102329Nanoknife SystemAngioDynamics, Inc.20111
−3K150089NanoKnife SystemAngioDynamics, Inc.20151
−2K183385NanoKnife SystemAngiodynamics20191
−1K242687NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode Activation…AngioDynamics, Inc.2024—
0 (this device)K253198NanoKnife Generator (H78720300351US0)Angiodynamics2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198810
199110
199220
199410
199540
199610
199770
199830
199940
200030
200150
200220
200410
200710
200810
FIG. 1 — Lineage of K253198, 1995–2026Source: 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 OAB? 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 OAB device

  1. #1 K253826 Aliya® EX System; Aliya® EX Generator; Aliya®…score 15.2 · 14 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
*K242687NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode Activation Probe, 15…
Summary page 5
…878.4400 Product Code(s) OAB | Legally Marketed Predicate Devices 21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K242687 NanoKnife System OAB Device Description Summary 21 CFR 807.92(a)(4) The subject device is substantially equivalent to the predic…
AngioDynamics, Inc.2024—

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 31 years and passes through 8 companies; a new generation was cleared every 1.9 years on median.
  • 9 of the 51 ancestors have a recall of any class.

How does its category compare?

All OAB devices

OAB Low Energy Direct Current Thermal Ablation System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · OAB

4in 2024

2008: 22011: 12015: 12019: 12022: 12023: 12024: 42026 (partial year): 3
2007high 4 (2024) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OAB

129in 2024

2024: 129 days median2026 (partial year): 179 days median
2007high 179 (2026) · low 129 (2024)2026

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

Recalls per year · OAB

1in 2020

2011: 12012: 12020: 1
2007high 1 (2011) · low 0 (2007)2026

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

Adverse event reports per year · OAB

10in 2025

2010: 32011: 12012: 822013: 172014: 182015: 112016: 92017: 52018: 52019: 62020: 162021: 112022: 42023: 102024: 142025: 10
2007high 82 (2012) · low 0 (2007)2025

MAUDE reports naming product code OAB, 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
20070—00
20082—00
20090—00
20100—03
20111—11
20120—182
20130—017
20140—018
20151—011
20160—09
20170—05
20180—05
20191—06
20200—116
20210—011
20221—04
20231—010
20244129014
20250—010
202631790—

What is it indicated for?

The NanoKnife System with six outputs is indicated for surgical ablation of soft tissue, including prostate tissue.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K253198: NanoKnife Generator (H78720300351US0).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253198

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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