510(k) Report

510(k) · Cleared

Cleared

X4

K120447510(k) TraditionalCleared Jun 20, 2012127-day reviewClass II21 CFR 882.1400

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

Advanced Brain Monitoring, Inc. · OMC Reduced- Montage Standard Electroencephalograph

Cleared on Jun 20, 2012 as substantially equivalent to K112514 (Advanced Brain Monitoring, Inc., 2012) after a 127-day review. Its family tree reaches back 5 generations to 1987. 18 later devices descend from it.

Decided
Jun 20, 2012
Review
127 days
Class
Class II
Product code
OMC
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K873535 (1987). 18 ancestors in all. 18 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 2 other ancestors2009: 1 other ancestor2008: 1 other ancestor2001: 2 other ancestors2007: 1 other ancestor2003: 1 other ancestor2004: 2 other ancestors2000: 2 other ancestors1992: 1 other ancestor2013: 2 descendants cleared2015: 2 descendants cleared2020: 2 descendants cleared2024: 2 descendants cleared2017: 2 descendants cleared2018: 1 descendant cleared2022: 3 descendants cleared2026: 2 descendants cleared2023: 2 descendants clearedK873535 · Nicolet Expert Sleep/Wake Analysis System · Nicolet Biomedical Instruments · 1987K955841 · Sleep System for Clinics & Research · Compumedics Ptd, Ltd. · 1997K072014 · Vitascore · Vitascore B.V. · 2007K082968 · Apneicare Connection Center/Internet Analysis · Apneicare, LLC · 2009K112514 · Apnea Risk Evaluation System (Ares) · Advanced Brain Monitoring, Inc. · 20121990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 4 other ancestors4 generations back: 2 other ancestors5 generations back: 6 other ancestors 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 6 descendants4 generations forward: 5 descendants5 generations forward: 4 descendants K112514 · Apnea Risk Evaluation System (Ares) · Advanced Brain Monitoring, Inc. · 2012K082968 · Apneicare Connection Center/Internet Analysis · Apneicare, LLC · 2009K072014 · Vitascore · Vitascore B.V. · 2007K955841 · Sleep System for Clinics & Research · Compumedics Ptd, Ltd. · 1997K873535 · Nicolet Expert Sleep/Wake Analysis System · Nicolet Biomedical Instruments · 1987−50+5
  1. Root · 5 generations backK873535 Nicolet Expert Sleep/Wake Analysis SystemNicolet Biomedical Instruments · 1987
  2. 4 generations backK955841 Sleep System for Clinics & ResearchCompumedics Ptd, Ltd. · 1997
  3. 3 generations backK072014 VitascoreVitascore B.V. · 2007
  4. 2 generations backK082968 Apneicare Connection Center/Internet AnalysisApneicare, LLC · 2009
  5. 1 generation backK112514 Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc. · 2012
  6. This deviceK120447 X4Advanced Brain Monitoring, Inc. · 2012
  7. Descendant · cites it directly · 17 of its ownK130013 X4 SystemAdvanced Brain Monitoring, Inc. · 2013
  8. Descendant · 2 generations on · 14 of its ownK131383 X10 Headset with X-Series Basic Software, X24 Headset with X-Series…Advanced Brain Monitoring, Inc. · 2013
  9. Descendant · 3 generations on · 7 of its ownK141316 Cognision Eeg/EP SystemNeuronetrix Solutions · 2015
  10. Descendant · 4 generations on · 6 of its ownK171781 eVox SystemEvoke Neuroscience, Inc. · 2017
  11. Descendant · 4 generations on · 3 of its ownK192753 NeuralScan SystemMedeia, Inc. · 2020

Showing 5 of 18 descendants. See all descendants

Descendants cleared per year

2013: 22015: 22017: 22018: 12020: 22022: 32023: 22024: 22026: 2
2013high 3 (2022) · low 0 (2014)2026

Most influential descendants

Showing 5 of 18 · See all
  • K130013X4 SystemAdvanced Brain Monitoring, Inc. · 2013 · cites it directly17descendants
  • K131383X10 Headset with X-Series Basic Software, X24 Headset with X-Series Basic SoftwareAdvanced Brain Monitoring, Inc. · 2013 · 2 generations on14descendants
  • K141316Cognision Eeg/EP SystemNeuronetrix Solutions · 2015 · 3 generations on7descendants
  • K171781eVox SystemEvoke Neuroscience, Inc. · 2017 · 4 generations on6descendants
  • K192753NeuralScan SystemMedeia, Inc. · 2020 · 4 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K873535Nicolet Expert Sleep/Wake Analysis SystemNicolet Biomedical Instruments1987—
−4K955841Sleep System for Clinics & ResearchCompumedics Ptd, Ltd.1997—
−3K072014VitascoreVitascore B.V.2007—
−2K082968Apneicare Connection Center/Internet AnalysisApneicare, LLC2009—
−1K112514Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc.2012—
0 (this device)K120447X4Advanced Brain Monitoring, Inc.2012—
+1K130013X4 SystemAdvanced Brain Monitoring, Inc.2013—
+2K131383X10 Headset with X-Series Basic Software, X24 Headset with X-Series Basic…Advanced Brain Monitoring, Inc.2013—
+3K141316Cognision Eeg/EP SystemNeuronetrix Solutions2015—
+4K171781eVox SystemEvoke Neuroscience, Inc.2017—
+4K192753NeuralScan SystemMedeia, Inc.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
200020
200120
200310
200420
200710
200810
200910
201120

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201320
201520
201720
201810
202020
202230
202320
202420
202620
FIG. 1 — Lineage of K120447, 1987–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 OMC? 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 OMC device

  1. #1 K251550 NX01 (NX01)score 13.1 · 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? (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
*K112514Apnea Risk Evaluation System (Ares)
Summary page 1
…Monitoring, Inc. DEVICE: TRADE NAME: X4 System COMMON/USUA[ NAME: X4 CLASSIFICATION NAM ES: 882.1400 Electroencephalograph PRODUCT CODE: OMC PREDICATE DEVICE(S): K112514 Apnea Risk Evaluation System (ARES), Model 610 12…
Advanced Brain Monitoring, Inc.2012—

Also cleared against K112514: 4 other devices →

What descends from it? (18)

See all 18

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K130013X4 SystemAdvanced Brain Monitoring, Inc.201317

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?

  • The line of descent spans 25 years and passes through 5 companies; a new generation was cleared every 3.0 years on median.
  • 1 of the 18 ancestors has a recall of any class.
  • Of its descendants, K130013 (Advanced Brain Monitoring, Inc., 2013) has gone furthest, with 17 descendants of its own.
  • 4 other devices also cite its predicate K112514.

How does its category compare?

All OMC devices

OMC Reduced- Montage Standard Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · OMC

3in 2025

2010: 12011: 12012: 12013: 12014: 12015: 12017: 12019: 12020: 12021: 12022: 12023: 22024: 32025: 32026 (partial year): 1
2007high 3 (2024) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OMC

172in 2025

2024: 56 days median2025: 172 days median
2007high 172 (2025) · low 56 (2024)2026

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

Recalls per year · OMC

No recall names OMC since 2007.

Adverse event reports per year · OMC

2in 2025

2023: 22024: 22025: 2
2007high 2 (2023) · low 0 (2007)2025

MAUDE reports naming product code OMC, 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
20080—00
20090—00
20101—00
20111—00
20121—00
20131—00
20141—00
20151—00
20160—00
20171—00
20180—00
20191—00
20201—00
20211—00
20221—00
20232—02
202435602
2025317202
20261—0—

What is it indicated for?

The X4 System is intended for prescription use in the home, healthcare facility, or clinical research environment to acquire, record, transmit and display physiological signals from adult patients. The X4 System acquires, records, transmits and displays electroencephalogram (EEG), electrooculogram (EOG), electrocardiogram (ECG), and/or electromyogram (EMVG), accelerometer, acoustical and photoplethesmographic signals. The X4 system only acquires and displays physiological signals, no claims are being made for analysis of the acquired signals with respect to the accuracy, precision and reliability.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K120447: X4.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K120447

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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