510(k) · Cleared
ClearedAD-Tech's Spinal Electrode
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Ad-Tech Medical Instrument Corp · GZL Electrode, Depth
Cleared on Jun 10, 1998 as substantially equivalent to K882053 (Nicolet Instrument Corp., 1988) after a 272-day review. Its family tree reaches back 1 generation to 1988.
- Decided
- Jun 10, 1998
- Review
- 272 days
- Class
- Class II
- Product code
- GZL
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K882053 (1988). No later device cites it as a predicate yet.
- Root · 1 generation backK882053 Nicolet Epidural Spinal ElectrodeNicolet Instrument Corp. · 1988
- This deviceK973454 AD-Tech's Spinal ElectrodeAd-Tech Medical Instrument Corp · 1998
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K882053 | Nicolet Epidural Spinal Electrode | Nicolet Instrument Corp. | 1988 | — |
| 0 (this device) | K973454 | AD-Tech's Spinal Electrode | Ad-Tech Medical Instrument Corp | 1998 | — |
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 GZL? 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 GZL device
- #1 K253970 Wovyn Depth Electrodescore 13.3 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K882053 | Nicolet Epidural Spinal ElectrodeSummary page 1…Electrode is intended for measurement of muscle MEP (Motor Evoked Potential) type monitoring during spinal surgery. Predicate Device: Nicolet Epidural Spinal Electrode (K882053) Product Code / Classification: 84GYC Establishment Registration Number: 2183456 II. Safety and Effectiveness Information Sup… | 1988 |
| † | K891920 | AD-Tech's Depth Electrode | 1989 |
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?
- Its one ancestor has no recall.
How does its category compare?
All GZL devicesGZL Electrode, Depth: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GZL
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GZL
206in 2023
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GZL
3in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GZL
12in 2025
MAUDE reports naming product code GZL, 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 | 3 | 166 | 0 | 0 |
| 2008 | 0 | — | 3 | 8 |
| 2009 | 1 | — | 2 | 5 |
| 2010 | 0 | — | 0 | 6 |
| 2011 | 1 | — | 0 | 4 |
| 2012 | 1 | — | 0 | 8 |
| 2013 | 1 | — | 0 | 25 |
| 2014 | 1 | — | 1 | 7 |
| 2015 | 0 | — | 0 | 14 |
| 2016 | 2 | — | 0 | 9 |
| 2017 | 4 | 222 | 0 | 3 |
| 2018 | 3 | 58 | 0 | 2 |
| 2019 | 0 | — | 0 | 13 |
| 2020 | 1 | — | 0 | 24 |
| 2021 | 3 | 262 | 9 | 13 |
| 2022 | 3 | 90 | 0 | 10 |
| 2023 | 3 | 206 | 0 | 30 |
| 2024 | 0 | — | 3 | 16 |
| 2025 | 2 | — | 0 | 12 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
Ad-Tech’s Spinal Electrode is intended for measurement of muscle MEP (Motor Evoked Potential) type monitoring during spinal surgery.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K973454 · printed Nov 6, 2026
Cite this page
510(k) Report. “K973454: AD-Tech's Spinal Electrode.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K973454
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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