510(k) Report

510(k) · Cleared

Cleared

Disposable Stimulating Electrode

K111597510(k) TraditionalCleared Oct 13, 2011127-day reviewClass II21 CFR 874.1820

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

Nuvasive, Inc. · ETN Stimulator, Nerve

Cleared on Oct 13, 2011 as substantially equivalent to K103128 (Cadwell Lab, Inc., 2011) and 2 other predicates after a 127-day review. Its family tree reaches back 6 generations to 1992. 10 later devices descend from it.

Decided
Oct 13, 2011
Review
127 days
Class
Class II
Product code
ETN
Recalls
None
Predicates
3

Its longest line of descent runs back 6 generations to K923056 (1992). 14 ancestors in all. 10 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2009: 1 other ancestor2003: 1 other ancestor2006: 1 other ancestor2002: 1 other ancestor2000: 1 other ancestor1999: 1 other ancestor1998: 1 other ancestor1997: 1 other ancestor2012: 2 descendants cleared2014: 1 descendant cleared2018: 1 descendant cleared2015: 1 descendant cleared2023: 2 descendants cleared2019: 2 descendants cleared2022: 1 descendant clearedK923056 · Neurosign Model 100 · The Magstim Company, Ltd. · 1992 · recalledK991583 · Neurosign 400, 4 Channel Motor Nerve Monitor · The Magstim Company, Ltd. · 1999K050325 · Disposable Concentric Probe, Disposable Bipolar Probe, Disposable Monopolar Probe · Technomed Europe · 2005K062996 · Disposable Monopolar and Bipolar Stimulator Probes · Axon Systems, Inc. · 2007K063729 · Disposable Pedicle Screw Probe, Model 3603-00 · Technomed Europe · 2007K103128 · Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip Pedicle Screw Stimulator Probe, · Cadwell Lab, Inc. · 20111990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 4 other ancestors3 generations back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 3 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant5 generations forward: 1 descendant6 generations forward: 1 descendant7 generations forward: 1 descendant K103128 · Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip Pedicle Screw Stimulator Probe, · Cadwell Lab, Inc. · 2011K063729 · Disposable Pedicle Screw Probe, Model 3603-00 · Technomed Europe · 2007K062996 · Disposable Monopolar and Bipolar Stimulator Probes · Axon Systems, Inc. · 2007K050325 · Disposable Concentric Probe, Disposable Bipolar Probe, Disposable Monopolar Probe · Technomed Europe · 2005K991583 · Neurosign 400, 4 Channel Motor Nerve Monitor · The Magstim Company, Ltd. · 1999K923056 · Neurosign Model 100 · The Magstim Company, Ltd. · 1992 · recalled−50+5
  1. Root · 6 generations backK923056 Neurosign Model 100The Magstim Company, Ltd. · 1992 · Recalled
  2. 5 generations backK991583 Neurosign 400, 4 Channel Motor Nerve MonitorThe Magstim Company, Ltd. · 1999
  3. 4 generations backK050325 Disposable Concentric Probe, Disposable Bipolar Probe, Disposable…Technomed Europe · 2005
  4. 3 generations backK062996 Disposable Monopolar and Bipolar Stimulator ProbesAxon Systems, Inc. · 2007
  5. 2 generations backK063729 Disposable Pedicle Screw Probe, Model 3603-00Technomed Europe · 2007
  6. 1 generation backK103128 Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip…Cadwell Lab, Inc. · 2011
  7. This deviceK111597 Disposable Stimulating ElectrodeNuvasive, Inc. · 2011
  8. Descendant · cites it directly · 9 of its ownK112709 Stimulation/Dissection InstrumentsNu Vasive, Incorporated · 2012
  9. Descendant · 2 generations on · 5 of its ownK132373 Biomet Access SystemBiomet Spine (Aka Ebi, LLC) · 2014
  10. Descendant · 3 generations on · 4 of its ownK142438 Nerve Monitoring Cable SystemPioneer Surgical Technology, Inc. (Rti Surgical, Inc.) · 2015
  11. Descendant · 4 generations on · 3 of its ownK182617 ATEC IOM Accessory InstrumentsAlphatec Spine, Inc. · 2019
  12. Descendant · 5 generations on · 2 of its ownK191723 ATEC IOM Accessory InstrumentsAlphatec Spine, Inc. · 2019

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2012: 22014: 12015: 12018: 12019: 22022: 12023: 2
2012high 2 (2012) · low 0 (2013)2026

Most influential descendants

Showing 5 of 10 · See all
  • K112709Stimulation/Dissection InstrumentsNu Vasive, Incorporated · 2012 · cites it directly9descendants
  • K132373Biomet Access SystemBiomet Spine (Aka Ebi, LLC) · 2014 · 2 generations on5descendants
  • K142438Nerve Monitoring Cable SystemPioneer Surgical Technology, Inc. (Rti Surgical, Inc.) · 2015 · 3 generations on4descendants
  • K182617ATEC IOM Accessory InstrumentsAlphatec Spine, Inc. · 2019 · 4 generations on3descendants
  • K191723ATEC IOM Accessory InstrumentsAlphatec Spine, Inc. · 2019 · 5 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K923056Neurosign Model 100The Magstim Company, Ltd.19921
−5K991583Neurosign 400, 4 Channel Motor Nerve MonitorThe Magstim Company, Ltd.1999—
−4K050325Disposable Concentric Probe, Disposable Bipolar Probe, Disposable Monopolar…Technomed Europe2005—
−3K062996Disposable Monopolar and Bipolar Stimulator ProbesAxon Systems, Inc.2007—
−2K063729Disposable Pedicle Screw Probe, Model 3603-00Technomed Europe2007—
−1K103128Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip…Cadwell Lab, Inc.2011—
0 (this device)K111597Disposable Stimulating ElectrodeNuvasive, Inc.2011—
+1K112709Stimulation/Dissection InstrumentsNu Vasive, Incorporated2012—
+2K132373Biomet Access SystemBiomet Spine (Aka Ebi, LLC)2014—
+3K142438Nerve Monitoring Cable SystemPioneer Surgical Technology, Inc. (Rti Surgical, Inc.)2015—
+4K182617ATEC IOM Accessory InstrumentsAlphatec Spine, Inc.2019—
+5K191723ATEC IOM Accessory InstrumentsAlphatec Spine, Inc.2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
199810
199910
200010
200210
200310
200610
200910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201220
201410
201510
201810
201920
202210
202320
FIG. 1 — Lineage of K111597, 1992–2023Source: 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 ETN? 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 ETN device

  1. #1 K251672 NIM Essence™ EMG Endotracheal Tube…score 12.3 · 6 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
*K103128Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip Pedicle Screw…
Summary page 1
…subject Disposable Stimulating Electrode is substantially equivalent to the following predicate devices currently distributed commercially in the U.S.: * K103 128- Cadwell Disposable Stimulator Probe 0 K090838 - Axon Systems Stimulus/dissection Instruments " K03 1003 - Me…
Cadwell Lab, Inc.2011—
*K090838Stimulus/Dissection Instruments
Summary page 1
…quivalent to the following predicate devices currently distributed commercially in the U.S.: * K103 128- Cadwell Disposable Stimulator Probe 0 K090838 - Axon Systems Stimulus/dissection Instruments " K03 1003 - Medtronic Xomed Stimulus / Dissection Instruments D. Devi…
Axon Systems, Inc.2009—
*K031003Stimulus/Dissection Instruments, Ball-Tip Probes
Summary page 1
…buted commercially in the U.S.: * K103 128- Cadwell Disposable Stimulator Probe 0 K090838 - Axon Systems Stimulus/dissection Instruments " K03 1003 - Medtronic Xomed Stimulus / Dissection Instruments D. Device Description The Disposable Stimulating Electrode is a singl…
Medtronic Xomed, Inc.20031

Also cleared against K103128: 4 other devices →

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K112709Stimulation/Dissection InstrumentsNu Vasive, Incorporated20129

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 19 years and passes through 5 companies; a new generation was cleared every 3.5 years on median.
  • 2 of the 14 ancestors have a recall of any class.
  • Of its descendants, K112709 (Nu Vasive, Incorporated, 2012) has gone furthest, with 9 descendants of its own.
  • 4 other devices also cite its predicate K103128.

How does its category compare?

All ETN devices

ETN Stimulator, Nerve: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.

FDA decisions per year · ETN

1in 2025

2007: 22008: 22009: 52010: 32011: 92012: 72013: 12014: 22015: 12016: 22020: 12021: 12022: 22023: 52024: 22025: 12026 (partial year): 2
2007high 9 (2011) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ETN

98in 2023

2009: 115 days median2010: 168 days median2011: 115 days median2012: 179 days median2023: 98 days median
2007high 179 (2012) · low 98 (2023)2026

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

Recalls per year · ETN

1in 2023

2008: 12010: 12016: 12019: 22020: 12021: 12023: 1
2007high 2 (2019) · low 0 (2007)2026

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

Adverse event reports per year · ETN

1,145in 2025

2007: 52008: 52009: 222010: 262011: 552012: 1872013: 2702014: 1372015: 2022016: 1452017: 1172018: 2502019: 3142020: 2382021: 1972022: 2472023: 3902024: 7482025: 1,145
2007high 1,145 (2025) · low 5 (2007)2025

MAUDE reports naming product code ETN, 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—05
20082—15
20095115022
20103168126
20119115055
201271790187
20131—0270
20142—0137
20151—0202
20162—1145
20170—0117
20180—0250
20190—2314
20201—1238
20211—1197
20222—0247
20235981390
20242—0748
20251—01,145
20262—0—

What is it indicated for?

The NuVasive® Disposable Stimulating Electrode is indicated for tissue dissection and stimulation of spinal nerve roots for identification and location during surgery.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K111597: Disposable Stimulating Electrode.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K111597

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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