510(k) Report

510(k) · Cleared

Cleared

Nicolet Electrocautery Detector

K020955510(k) AbbreviatedCleared Apr 17, 200223-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

Nicolet Biomedical, Inc. · ETN Stimulator, Nerve

Cleared on Apr 17, 2002 as substantially equivalent to K934426 (Xomed-Treace, Inc., 1994) after a 23-day review. Its family tree reaches back 1 generation to 1994.

Decided
Apr 17, 2002
Review
23 days
Class
Class II
Product code
ETN
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K934426 (1994). No later device cites it as a predicate yet.

K934426 · Nerve Integrity Monitor-2 (Nim-2 XL) · Xomed-Treace, Inc. · 199419901992199419961998200020022004
  1. Root · 1 generation backK934426 Nerve Integrity Monitor-2 (Nim-2 XL)Xomed-Treace, Inc. · 1994
  2. This deviceK020955 Nicolet Electrocautery DetectorNicolet Biomedical, Inc. · 2002
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K934426Nerve Integrity Monitor-2 (Nim-2 XL)Xomed-Treace, Inc.1994—
0 (this device)K020955Nicolet Electrocautery DetectorNicolet Biomedical, Inc.2002—
FIG. 1 — Lineage of K020955, 1994–2002Source: 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
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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
*K934426Nerve Integrity Monitor-2 (Nim-2 XL)
Summary page 1
…rch 20, 2002 Trade Name: Electrocautery Detector Common Name: Nerve Stimulator Classification Name: 21 CFR 874.1820; Product Code: ETN Predicate Device: 510(k) Number: K934426 Manufacture: XOMED-TREACE, Inc. Trade Name: Nerve Integrity Monitor-2 (NIM-2 XL) 1.0 Description of Device The Nicolet Electroca…
Xomed-Treace, Inc.1994—

Also cleared against K934426: 2 other devices →

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.
  • 2 other devices also cite its predicate K934426.

How does its category compare?

All ETN devices

ETN Stimulator, Nerve: FDA decisions, review times, recalls and adverse event reports over 20 years.

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 Nicolet Electrocautery Detector is an accessory device supporting muting of external audible outputs when electrocautery interference is detected.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K020955: Nicolet Electrocautery Detector.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K020955

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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