510(k) · Cleared
Recalled · 2008Stimulus/Dissection Instruments, Ball-Tip Probes
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Medtronic Xomed, Inc. · ETN Stimulator, Nerve
Cleared on Apr 11, 2003 as substantially equivalent to K014165 (Medtronic Xomed, Inc., 2002) and 1 other predicate after an 11-day review. Its family tree reaches back 3 generations to 1998. 35 later devices descend from it. It has been recalled once.
- Decided
- Apr 11, 2003
- Review
- 11 days
- Class
- Class II
- Product code
- ETN
- Recalls
- 1
- Predicates
- 2
Its longest line of descent runs back 3 generations to K980148 (1998). 35 later devices descend from it, 9 citing it directly.
- Root · 3 generations backK980148 Neurosign 800, 8 Channel Motor Nerve MonitorThe Magstim Company, Ltd. · 1998
- 2 generations backK992869 Xomed Ball-Tip Monopolar Stimulator ProbeXomed, Inc. · 1999
- 1 generation backK014165 Stimulus - Dissection InstrumentsMedtronic Xomed, Inc. · 2002
- This deviceK031003 Stimulus/Dissection Instruments, Ball-Tip ProbesMedtronic Xomed, Inc. · 2003
- Descendant · cites it directly · 19 of its ownK090838 Stimulus/Dissection InstrumentsAxon Systems, Inc. · 2009
- Descendant · cites it directly · 17 of its ownK103128 Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip…Cadwell Lab, Inc. · 2011
- Descendant · cites it directly · 10 of its ownK111597 Disposable Stimulating ElectrodeNuvasive, Inc. · 2011
- Descendant · cites it directly · 9 of its ownK112709 Stimulation/Dissection InstrumentsNu Vasive, Incorporated · 2012
- Descendant · 2 generations on · 9 of its ownK110419 Avs Aria Neuromonitoring Probe and Avs Aria Probe DilatorsStryker Spine · 2011
Showing 5 of 35 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 35 · See all- K090838Stimulus/Dissection InstrumentsAxon Systems, Inc. · 2009 · cites it directly19descendants
- K103128Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip Pedicle Screw…Cadwell Lab, Inc. · 2011 · cites it directly17descendants
- K111597Disposable Stimulating ElectrodeNuvasive, Inc. · 2011 · cites it directly10descendants
- K112709Stimulation/Dissection InstrumentsNu Vasive, Incorporated · 2012 · cites it directly9descendants
- K110419Avs Aria Neuromonitoring Probe and Avs Aria Probe DilatorsStryker Spine · 2011 · 2 generations on9descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K980148 | Neurosign 800, 8 Channel Motor Nerve Monitor | The Magstim Company, Ltd. | 1998 | — |
| −2 | K992869 | Xomed Ball-Tip Monopolar Stimulator Probe | Xomed, Inc. | 1999 | — |
| −1 | K014165 | Stimulus - Dissection Instruments | Medtronic Xomed, Inc. | 2002 | — |
| 0 (this device) | K031003 | Stimulus/Dissection Instruments, Ball-Tip Probes | Medtronic Xomed, Inc. | 2003 | — |
| +1 | K090838 | Stimulus/Dissection Instruments | Axon Systems, Inc. | 2009 | — |
| +1 | K103128 | Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip… | Cadwell Lab, Inc. | 2011 | — |
| +1 | K111597 | Disposable Stimulating Electrode | Nuvasive, Inc. | 2011 | — |
| +1 | K112709 | Stimulation/Dissection Instruments | Nu Vasive, Incorporated | 2012 | — |
| +2 | K110419 | Avs Aria Neuromonitoring Probe and Avs Aria Probe Dilators | Stryker Spine | 2011 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 5 | 0 |
| 2012 | 3 | 0 |
| 2014 | 5 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2018 | 3 | 0 |
| 2019 | 3 | 0 |
| 2022 | 2 | 0 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
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 K251672 NIM Essence™ EMG Endotracheal Tube…score 12.3 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K014165 | Stimulus - Dissection Instruments | 2002 |
| * | K992869 | Xomed Ball-Tip Monopolar Stimulator ProbeSummary page 2…tiallyequivalent to Medtronic Xomed Stimulus Dissection Instruments cleared via KO14 165 and Medtronic Xomed Monopolar Stimulator Probes originally described in K992869. Characteristic Stimulus - Dissection Stimulus / Dissection Instruments… | 1999 |
What descends from it? (35)
See all 359 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K090838 | Stimulus/Dissection Instruments | 2009 | 19 |
| K103128 | Cadwell Disposable Monopolar / Bipolar / Concentric / Flush Tip /Ball Tip Pedicle Screw… | 2011 | 17 |
| K111597 | Disposable Stimulating Electrode | 2011 | 10 |
| K112709 | Stimulation/Dissection Instruments | 2012 | 9 |
| K072736 | Rhythmlink International Monopolar Stimulating Instrument | 2008 | 8 |
| K112426 | Xian Friendship Disposable Nerve Stimulator Probes | 2012 | 2 |
| K110422 | Surgical Stimulators | 2011 | 2 |
| K180542 | NIM PAK Needle; NIM XPAK Needle; NIM Pedicle Probe | 2018 | 1 |
| K133348 | Stim Probe | 2014 | 1 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Nov 21, 2008 | Not classified | Z-0947-2009 | Employee error | Device may fail to operate or operate intermittently during use and such operation could result in a lack of nerve stimulation when nerve tissue is actually contacted by the stimulator. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 5 years and passes through 3 companies; a new generation was cleared every 1.2 years on median.
- None of the 3 ancestors has a recall.
- Of its descendants, K090838 (Axon Systems, Inc., 2009) has gone furthest, with 19 descendants of its own.
- 3 other devices also cite its predicate K014165.
How does its category compare?
All ETN devicesETN Stimulator, Nerve: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ETN
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ETN
98in 2023
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ETN
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ETN
1,145in 2025
MAUDE reports naming product code ETN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 0 | 5 |
| 2008 | 2 | — | 1 | 5 |
| 2009 | 5 | 115 | 0 | 22 |
| 2010 | 3 | 168 | 1 | 26 |
| 2011 | 9 | 115 | 0 | 55 |
| 2012 | 7 | 179 | 0 | 187 |
| 2013 | 1 | — | 0 | 270 |
| 2014 | 2 | — | 0 | 137 |
| 2015 | 1 | — | 0 | 202 |
| 2016 | 2 | — | 1 | 145 |
| 2017 | 0 | — | 0 | 117 |
| 2018 | 0 | — | 0 | 250 |
| 2019 | 0 | — | 2 | 314 |
| 2020 | 1 | — | 1 | 238 |
| 2021 | 1 | — | 1 | 197 |
| 2022 | 2 | — | 0 | 247 |
| 2023 | 5 | 98 | 1 | 390 |
| 2024 | 2 | — | 0 | 748 |
| 2025 | 1 | — | 0 | 1,145 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Stimulus - Dissection Instruments are indicated for tissue dissection and stimulation of cranial and peripheral motor nerves for location and identification during surgery, including spinal nerve roots.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K031003 · printed Nov 4, 2026
Cite this page
510(k) Report. “K031003: Stimulus/Dissection Instruments, Ball-Tip Probes.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K031003
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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