510(k) Report

510(k) · Cleared

Cleared

NicoletOne

K173366510(k) TraditionalCleared Jul 20, 2018267-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

Natus Neurology Incorporated · OLZ Automatic Event Detection Software For Polysomnograph With Electroencephalograph

Cleared on Jul 20, 2018 as substantially equivalent to K012976 (Grass-Telefactor Divison, 2002) and 2 other predicates after a 267-day review. Its family tree reaches back 7 generations to 1988. 3 later devices descend from it.

Decided
Jul 20, 2018
Review
267 days
Class
Class II
Product code
OLZ
Recalls
None
Predicates
3

Its longest line of descent runs back 7 generations to K875179 (1988). 48 ancestors in all, the oldest K791580 (1979). 3 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 1 other ancestor2002: 3 other ancestors2003: 3 other ancestors2001: 1 other ancestor1999: 3 other ancestors1998: 4 other ancestors1996: 4 other ancestors1987: 3 other ancestors2000: 1 other ancestor1992: 4 other ancestors1991: 2 other ancestors1988: 1 other ancestor1985: 1 other ancestor1993: 1 other ancestor1979: 1 other ancestor1997: 2 other ancestors1994: 1 other ancestor1990: 1 other ancestor1989: 1 other ancestor1986: 1 other ancestor1984: 1 other ancestor1982: 1 other ancestor2020: 1 descendant cleared2019: 1 descendant cleared2025: 1 descendant clearedK875179 · Modified Laserflo Blood Perfusion Monitor, BPM403A · Tsi, Inc. · 1988K951832 · Laserflo Blood Perfusion Single Use Probes Models Sup-440, Supr-434 Sup-433 · Vasamedics, LLC · 1996K961368 · Trimflo Parenchymal Blood Flow Monitoring Probe Kit · Vasamedics, LLC · 1996K013930 · Neurosensor · Novus Monitoring, Ltd. · 2002K050702 · Neurosystems 1TM Monitor · Neurosystems, LLC · 2005K061640 · Integra Mobius Multi-Modality Monitoring System · Integra LifeSciences Corporation · 2006K080217 · Component Neuromonitoring System · Moberg Research, Inc. · 2008 · recalled19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 9 other ancestors3 generations back: 12 other ancestors4 generations back: 4 other ancestors5 generations back: 8 other ancestors6 generations back: 5 other ancestors7 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 1 descendant K080217 · Component Neuromonitoring System · Moberg Research, Inc. · 2008 · recalledK061640 · Integra Mobius Multi-Modality Monitoring System · Integra LifeSciences Corporation · 2006K050702 · Neurosystems 1TM Monitor · Neurosystems, LLC · 2005K013930 · Neurosensor · Novus Monitoring, Ltd. · 2002K961368 · Trimflo Parenchymal Blood Flow Monitoring Probe Kit · Vasamedics, LLC · 1996K951832 · Laserflo Blood Perfusion Single Use Probes Models Sup-440, Supr-434 Sup-433 · Vasamedics, LLC · 1996K875179 · Modified Laserflo Blood Perfusion Monitor, BPM403A · Tsi, Inc. · 1988−50
  1. Root · 7 generations backK875179 Modified Laserflo Blood Perfusion Monitor, BPM403ATsi, Inc. · 1988
  2. 6 generations backK951832 Laserflo Blood Perfusion Single Use Probes Models Sup-440, Supr-434…Vasamedics, LLC · 1996
  3. 5 generations backK961368 Trimflo Parenchymal Blood Flow Monitoring Probe KitVasamedics, LLC · 1996
  4. 4 generations backK013930 NeurosensorNovus Monitoring, Ltd. · 2002
  5. 3 generations backK050702 Neurosystems 1TM MonitorNeurosystems, LLC · 2005
  6. 2 generations backK061640 Integra Mobius Multi-Modality Monitoring SystemIntegra LifeSciences Corporation · 2006
  7. 1 generation backK080217 Component Neuromonitoring SystemMoberg Research, Inc. · 2008 · Recalled
  8. This deviceK173366 NicoletOneNatus Neurology Incorporated · 2018
  9. Descendant · cites it directly · 1 of its ownK200878 Natus NeuroWorksNatus Medical Incorporated Dba Excel-Tech Ltd. (Xltek) · 2020
  10. Descendant · 2 generations on · 0 of its ownK251881 HippoMind (v1.0)Hippoclinic · 2025
  11. Descendant · cites it directly · 0 of its ownK190760 Cadwell Bolt SoftwareCadwell Industries, Inc. · 2019

Most influential descendants

Showing 3 of 3 · See all
  • K200878Natus NeuroWorksNatus Medical Incorporated Dba Excel-Tech Ltd. (Xltek) · 2020 · cites it directly1descendant
  • K251881HippoMind (v1.0)Hippoclinic · 2025 · 2 generations on0descendants
  • K190760Cadwell Bolt SoftwareCadwell Industries, Inc. · 2019 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K875179Modified Laserflo Blood Perfusion Monitor, BPM403ATsi, Inc.1988—
−6K951832Laserflo Blood Perfusion Single Use Probes Models Sup-440, Supr-434 Sup-433Vasamedics, LLC1996—
−5K961368Trimflo Parenchymal Blood Flow Monitoring Probe KitVasamedics, LLC1996—
−4K013930NeurosensorNovus Monitoring, Ltd.2002—
−3K050702Neurosystems 1TM MonitorNeurosystems, LLC2005—
−2K061640Integra Mobius Multi-Modality Monitoring SystemIntegra LifeSciences Corporation2006—
−1K080217Component Neuromonitoring SystemMoberg Research, Inc.20081
0 (this device)K173366NicoletOneNatus Neurology Incorporated2018—
+1K200878Natus NeuroWorksNatus Medical Incorporated Dba Excel-Tech Ltd. (Xltek)2020—
+2K251881HippoMind (v1.0)Hippoclinic2025—
+1K190760Cadwell Bolt SoftwareCadwell Industries, Inc.2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198210
198410
198510
198610
198730
198810
198910
199010
199120
199240
199310
199410
199640
199720
199840
199930
200010
200110
200230
200330
201110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202010
202510
FIG. 1 — Lineage of K173366, 1988–2025Source: 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 OLZ? 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 OLZ device

  1. #1 K253390 Somnum (Somnum)score 14.3 · 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? (3)

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
*K012976Twin Plus
Summary page 4
…r full-montage electroencephalograph Product code: OLZ (primary), OMB, OMA, OLT, ORT Device Class: II Regulation Number: 21 CFR 882.1400 Predicate Device: Twin Plus (K012976) primary; Moberg CNS (K080217); Natus SleepWorks (K090277) Description: 1. Overview NicoletOne Software The NicoletOne applic…
Grass-Telefactor Divison2002—
*K080217Component Neuromonitoring System
Summary page 4
…ograph Product code: OLZ (primary), OMB, OMA, OLT, ORT Device Class: II Regulation Number: 21 CFR 882.1400 Predicate Device: Twin Plus (K012976) primary; Moberg CNS (K080217); Natus SleepWorks (K090277) Description: 1. Overview NicoletOne Software The NicoletOne application is a software product fo…
Moberg Research, Inc.20081
*K090277Natus Sleepworks, Model 104017
Summary page 4
…rimary), OMB, OMA, OLT, ORT Device Class: II Regulation Number: 21 CFR 882.1400 Predicate Device: Twin Plus (K012976) primary; Moberg CNS (K080217); Natus SleepWorks (K090277) Description: 1. Overview NicoletOne Software The NicoletOne application is a software product for digital electroencephalogr…
Excel-Tech Ltd. (Xltek)20111

Also cleared against K012976: 2 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K200878Natus NeuroWorksNatus Medical Incorporated Dba Excel-Tech Ltd. (Xltek)20201
K190760Cadwell Bolt SoftwareCadwell Industries, Inc.20190

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 30 years and passes through 7 companies; a new generation was cleared every 3.2 years on median.
  • 10 of the 48 ancestors have a recall of any class.
  • Of its descendants, K200878 (Natus Medical Incorporated Dba Excel-Tech Ltd. (Xltek), 2020) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K012976.

How does its category compare?

All OLZ devices

OLZ Automatic Event Detection Software For Polysomnograph With Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · OLZ

4in 2025

2007: 12011: 12012: 12013: 12015: 22016: 32017: 22018: 12019: 22020: 12021: 12022: 12023: 22024: 22025: 42026 (partial year): 3
2007high 4 (2025) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLZ

185in 2025

2016: 122 days median2025: 185 days median2026 (partial year): 155 days median
2007high 185 (2025) · low 122 (2016)2026

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

Recalls per year · OLZ

No recall names OLZ since 2007.

Adverse event reports per year · OLZ

3in 2025

2016: 12022: 22023: 12024: 22025: 3
2007high 3 (2025) · low 0 (2007)2025

MAUDE reports naming product code OLZ, 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
20071—00
20080—00
20090—00
20100—00
20111—00
20121—00
20131—00
20140—00
20152—00
2016312201
20172—00
20181—00
20192—00
20201—00
20211—00
20221—02
20232—01
20242—02
2025418503
202631550—

What is it indicated for?

The NicoletOne EEG/PSG software performs recording, displaying, analysis, printing and storage of physiological signals to assist in the diagnosis of various neurological disorders, sleep disorders and sleep related respiratory disorders. It is intended to monitor the state of the brain by recording and displaying EEG signals and can receive and display a variety of third party signals such as ECG, EMG, Oxygen Saturation or Respiration for patients of…

Read the full statement (184 words)

The NicoletOne EEG/PSG software performs recording, displaying, analysis, printing and storage of physiological signals to assist in the diagnosis of various neurological disorders, sleep disorders and sleep related respiratory disorders. It is intended to monitor the state of the brain by recording and displaying EEG signals and can receive and display a variety of third party signals such as ECG, EMG, Oxygen Saturation or Respiration for patients of all ages.

NicoletOne software allows:

• Automated analysis of physiological signals that is intended for use only in adults.

• An optional Audio/visual alert for user defined threshold on calibrated DC input. These alerts are not intended for use as life support such as vital signs monitoring or continuous medical surveillance in intensive care units.

• Sleep report templates are provided which summarize recorded and scored sleep data using simple measures including count, average, maximum and minimum values as well as data ranges for trended values.

This device does not provide any diagnostic conclusion about the patient's condition and is intended to be used only by qualified and trained medical practitioners, in research and clinical environments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173366: NicoletOne.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173366

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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