510(k) Report

510(k) · Cleared

Cleared

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)

K242687510(k) TraditionalCleared Dec 6, 202491-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, Inc. · OAB Low Energy Direct Current Thermal Ablation System

Cleared on Dec 6, 2024 as substantially equivalent to K183385 (Angiodynamics, 2019) after a 91-day review. Its family tree reaches back 12 generations to 1995. 1 later device descends from it.

Decided
Dec 6, 2024
Review
91 days
Class
Class II
Product code
OAB
Recalls
None
Predicates
1

Its longest line of descent runs back 12 generations to K942299 (1995). 50 ancestors in all, the oldest K811390 (1981). 1 later device descends from it, 1 citing it directly.

  1. Root · 12 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 8 generations between
  3. 3 generations backK102329 Nanoknife SystemAngioDynamics, Inc. · 2011 · Recalled
  4. 2 generations backK150089 NanoKnife SystemAngioDynamics, Inc. · 2015 · Recalled
  5. 1 generation backK183385 NanoKnife SystemAngiodynamics · 2019 · Recalled
  6. This deviceK242687 NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode…AngioDynamics, Inc. · 2024
  7. Descendant · cites it directly · 0 of its ownK253198 NanoKnife Generator (H78720300351US0)Angiodynamics · 2026
Show all 12 generations
  1. Root · 12 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 11 generations backK963826 Endocare Crycare Cryosurgical SystemEndocare, Inc. · 1996
  3. 10 generations backK973686 Endocare Cryocare Cryosurgical SystemEndocare, Inc. · 1997
  4. 9 generations backK980110 Endocre Cryocare Cryosurgical SystemEndocare, Inc. · 1998
  5. 8 generations backK011722 Atricure Bipolar Coagulation SystemAtriCure, Inc. · 2001
  6. 7 generations backK020919 Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc. · 2002
  7. 6 generations backK031247 Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular · 2003
  8. 5 generations backK060054 Oncobionic SystemOncobionics, Inc. · 2006
  9. 4 generations backK080376 Oncobionic SystemOncobionic Incorporated · 2008 · Recalled
  10. 3 generations backK102329 Nanoknife SystemAngioDynamics, Inc. · 2011 · Recalled
  11. 2 generations backK150089 NanoKnife SystemAngioDynamics, Inc. · 2015 · Recalled
  12. 1 generation backK183385 NanoKnife SystemAngiodynamics · 2019 · Recalled
  13. This deviceK242687 NanoKnife Generator (H78720300301US0); NanoKnife Single Electrode…AngioDynamics, Inc. · 2024

Most influential descendants

Showing 1 of 1 · See all
  • K253198NanoKnife Generator (H78720300351US0)Angiodynamics · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

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

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K242687, 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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K183385NanoKnife System
Summary page 5
…21 CFR 807.92(a)(3) Predicate# Predicate Trade Name (Primary Predicate is listed first) Product Code I, K183385 11 NanoKnife System 11 OAB Dev…
Angiodynamics20191
†DEN150011Sonablate 450Sonacare Medical, LLC2015—

Also cleared against K183385: 3 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K253198NanoKnife Generator (H78720300351US0)Angiodynamics20260

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 29 years and passes through 8 companies; a new generation was cleared every 3.3 years on median.
  • 9 of the 50 ancestors have a recall of any class.
  • Of its descendants, K253198 (Angiodynamics, 2026) has gone furthest, with 0 descendants of its own.
  • 3 other devices also cite its predicate K183385.

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. 2024, 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 as stated in the FDA summary.

Cite this page

510(k) Report. “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).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K242687

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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