510(k) Report

510(k) · Cleared

Recalled · Class II · 2018

Nervus Monitor

K021185510(k) TraditionalCleared Jul 12, 200288-day reviewClass II21 CFR 882.1400Recalls 2

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

Taugagreining HF · OLV Standard Polysomnograph With Electroencephalograph

Cleared on Jul 12, 2002 after an 88-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 18 later devices descend from it. It has been recalled 2 times.

Decided
Jul 12, 2002
Review
88 days
Class
Class II
Product code
OLV
Recalls
2
Predicates
0

18 later devices descend from it, 6 citing it directly.

Descendants, by year cleared 2008: 2 descendants cleared2015: 1 descendant cleared2013: 1 descendant cleared2010: 2 descendants cleared2020: 2 descendants cleared2019: 2 descendants cleared2018: 1 descendant cleared2016: 1 descendant cleared2012: 1 descendant cleared2017: 1 descendant cleared2022: 1 descendant cleared2025: 1 descendant cleared2024: 1 descendant cleared2026: 1 descendant cleared200020052010201520202025
  1. This deviceK021185 Nervus MonitorTaugagreining HF · 2002
  2. Descendant · cites it directly · 14 of its ownK080217 Component Neuromonitoring SystemMoberg Research, Inc. · 2008 · Recalled
  3. Descendant · cites it directly · 8 of its ownK081551 Twin Neurotrac-IiiAstro-Med, Inc. · 2008
  4. Descendant · cites it directly · 7 of its ownK092573 Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010
  5. Descendant · 2 generations on · 5 of its ownK120485 Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa…Nihon Kohden America, Inc. · 2012
  6. Descendant · 2 generations on · 3 of its ownK173366 NicoletOneNatus Neurology Incorporated · 2018

Showing 5 of 18 descendants. See all descendants

Descendants cleared per year

2008: 22010: 22012: 12013: 12015: 12016: 12017: 12018: 12019: 22020: 22022: 12024: 12025: 12026: 1
2008high 2 (2008) · low 0 (2009)2026

Most influential descendants

Showing 5 of 18 · See all
  • K080217Component Neuromonitoring SystemMoberg Research, Inc. · 2008 · cites it directly14descendants
  • K081551Twin Neurotrac-IiiAstro-Med, Inc. · 2008 · cites it directly8descendants
  • K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010 · cites it directly7descendants
  • K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend and FFT PNihon Kohden America, Inc. · 2012 · 2 generations on5descendants
  • K173366NicoletOneNatus Neurology Incorporated · 2018 · 2 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K021185Nervus MonitorTaugagreining HF2002—
+1K080217Component Neuromonitoring SystemMoberg Research, Inc.20081
+1K081551Twin Neurotrac-IiiAstro-Med, Inc.2008—
+1K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc.2010—
+2K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend…Nihon Kohden America, Inc.2012—
+2K173366NicoletOneNatus Neurology Incorporated2018—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200820
201020
201210
201310
201510
201610
201710
201810
201920
202020
202210
202410
202510
202610
FIG. 1 — Lineage of K021185, 2002–2026Source: 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in OLV? 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 OLV device

  1. #1 K241288 Noxturnal Webscore 17.3 · 10 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (18)

See all 18

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

NumberDeviceApplicantDecidedDescendants
K080217Component Neuromonitoring SystemMoberg Research, Inc.200814
K081551Twin Neurotrac-IiiAstro-Med, Inc.20088
K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc.20107
K130238Nihon Kohden AE-918P Neuro UnitNihon Kohden Corp.20150
K123665Lifelines IeegKvikna Ehf20130
K092625Wavestate NeuromonitorWavestate, Inc.20100

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

Recalls of this device

DateClassRecallRoot causeReason
Feb 1, 2018Class IIZ-2568-2018Software designPotential to be able to import an ambulatory exam for a patient for which the exam was not started.
Sep 11, 2007Not classifiedZ-0126-2008Component design/selectionDisplay lock-up: VIASYS Healthcare NicoletOne ICU Monitor freezes up during operation when using the digital video option.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K080217 (Moberg Research, Inc., 2008) has gone furthest, with 14 descendants of its own.

How does its category compare?

All OLV devices

OLV Standard Polysomnograph With Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · OLV

1in 2025

2008: 22010: 12011: 22013: 12015: 12017: 32018: 32020: 22022: 12024: 22025: 12026 (partial year): 2
2007high 3 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLV

141in 2018

2017: 83 days median2018: 141 days median
2007high 141 (2018) · low 83 (2017)2026

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

Recalls per year · OLV

No recall names OLV since 2007.

Adverse event reports per year · OLV

1in 2025

2013: 12016: 42018: 32019: 12021: 32022: 32023: 22024: 22025: 1
2007high 4 (2016) · low 0 (2007)2025

MAUDE reports naming product code OLV, 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
20070—00
20082—00
20090—00
20101—00
20112—00
20120—00
20131—01
20140—00
20151—00
20160—04
201738300
2018314103
20190—01
20202—00
20210—03
20221—03
20230—02
20242—02
20251—01
20262—0—

What is it indicated for?

The Nervus Monitor system is intended to record and process EEG signals from third party transducer such as ECG, EMG, Oxygen Saturation or Respiration, from adult to pediatric patients.

The Nervus Monitor is intended for use only by medically trained and qualified personnel, within a hospital or medical environment.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K021185: Nervus Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K021185

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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