510(k) Report

510(k) · Cleared

Recalled · Class II · 2014

Cueva Cranial Nerve Electrode

K944061510(k) TraditionalCleared Jan 20, 1995154-day reviewClass II21 CFR 882.1330Recalls 1

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

Ad-Tech Medical Instrument Corp · GZL Electrode, Depth

Cleared on Jan 20, 1995 after a 154-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 4 later devices descend from it. It has been recalled once.

Decided
Jan 20, 1995
Review
154 days
Class
Class II
Product code
GZL
Recalls
1
Predicates
0

4 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2023: 1 descendant cleared2016: 2 descendants cleared2024: 1 descendant cleared1995200020052010201520202025
  1. This deviceK944061 Cueva Cranial Nerve ElectrodeAd-Tech Medical Instrument Corp · 1995
  2. Descendant · cites it directly · 1 of its ownK230853 EARP Nerve Cuff ElectrodeNvision Biomedical Technologies, Inc. · 2023
  3. Descendant · 2 generations on · 0 of its ownK241917 EARP Nerve Cuff ElectrodeRetropsoas Technologies, LLC · 2024
  4. Descendant · cites it directly · 0 of its ownK152769 Fremap ElectrodeAd-Tech Medical Instrument Corporation · 2016
  5. Descendant · cites it directly · 0 of its ownK152547 DNAP ElectrodeAd-Tech Medical Instrument Corporation · 2016

Most influential descendants

Showing 4 of 4 · See all
  • K230853EARP Nerve Cuff ElectrodeNvision Biomedical Technologies, Inc. · 2023 · cites it directly1descendant
  • K241917EARP Nerve Cuff ElectrodeRetropsoas Technologies, LLC · 2024 · 2 generations on0descendants
  • K152769Fremap ElectrodeAd-Tech Medical Instrument Corporation · 2016 · cites it directly0descendants
  • K152547DNAP ElectrodeAd-Tech Medical Instrument Corporation · 2016 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K944061Cueva Cranial Nerve ElectrodeAd-Tech Medical Instrument Corp1995—
+1K230853EARP Nerve Cuff ElectrodeNvision Biomedical Technologies, Inc.2023—
+2K241917EARP Nerve Cuff ElectrodeRetropsoas Technologies, LLC2024—
+1K152769Fremap ElectrodeAd-Tech Medical Instrument Corporation2016—
+1K152547DNAP ElectrodeAd-Tech Medical Instrument Corporation2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201620
202310
202410
FIG. 1 — Lineage of K944061, 1995–2024Source: 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), 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. #1 K253970 Wovyn Depth Electrodescore 13.3 · 8 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (4)

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K230853EARP Nerve Cuff ElectrodeNvision Biomedical Technologies, Inc.20231
K152769Fremap ElectrodeAd-Tech Medical Instrument Corporation20160
K152547DNAP ElectrodeAd-Tech Medical Instrument Corporation20160

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 8, 2014Class IIZ-0106-2015Process controlThe recall has been initiated due to concerns that the applicator wand may malfunction potentially causing the inability to monitor the VII cranial nerve. .

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K230853 (Nvision Biomedical Technologies, Inc., 2023) has gone furthest, with 1 descendant of its own.

How does its category compare?

All GZL devices

GZL Electrode, Depth: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GZL

2in 2025

2007: 32009: 12011: 12012: 12013: 12014: 12016: 22017: 42018: 32020: 12021: 32022: 32023: 32025: 22026 (partial year): 1
2007high 4 (2017) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GZL

206in 2023

2007: 166 days median2017: 222 days median2018: 58 days median2021: 262 days median2022: 90 days median2023: 206 days median
2007high 262 (2021) · low 58 (2018)2026

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

Recalls per year · GZL

3in 2024

2008: 32009: 22014: 12021: 92024: 3
2007high 9 (2021) · low 0 (2007)2026

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

Adverse event reports per year · GZL

12in 2025

2008: 82009: 52010: 62011: 42012: 82013: 252014: 72015: 142016: 92017: 32018: 22019: 132020: 242021: 132022: 102023: 302024: 162025: 12
2007high 30 (2023) · low 0 (2007)2025

MAUDE reports naming product code GZL, 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
2007316600
20080—38
20091—25
20100—06
20111—04
20121—08
20131—025
20141—17
20150—014
20162—09
2017422203
201835802
20190—013
20201—024
20213262913
2022390010
20233206030
20240—316
20252—012
20261—0—
Cite this page

510(k) Report. “K944061: Cueva Cranial Nerve Electrode.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K944061

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026