510(k) Report

510(k) · Cleared

Cleared

Persyst Reveal

K011397510(k) TraditionalCleared Aug 3, 200188-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

Persyst Development Corp. · OMB Automatic Event Detection Software For Full-Montage Electroencephalograph

Cleared on Aug 3, 2001 after an 88-day review. The FDA summary names its predicate without a number. 12 later devices descend from it.

Decided
Aug 3, 2001
Review
88 days
Class
Class II
Product code
OMB
Recalls
None
Predicates
0

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

Descendants, by year cleared 2014: 1 descendant cleared2013: 1 descendant cleared2009: 1 descendant cleared2015: 2 descendants cleared2010: 1 descendant cleared2016: 1 descendant cleared2012: 1 descendant cleared2017: 1 descendant cleared2022: 1 descendant cleared2024: 1 descendant cleared2026: 1 descendant cleared200020052010201520202025
  1. This deviceK011397 Persyst RevealPersyst Development Corp. · 2001
  2. Descendant · cites it directly · 9 of its ownK092039 Identevent, Version 1.0GOptima Neuroscience, Inc. · 2009
  3. Descendant · 2 generations on · 7 of its ownK092573 Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010
  4. Descendant · 3 generations on · 5 of its ownK120485 Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa…Nihon Kohden America, Inc. · 2012
  5. Descendant · 4 generations on · 2 of its ownK213299 Wireless EEG SystemPascall Systems, Inc. · 2022
  6. Descendant · 5 generations on · 0 of its ownK254213 Pascall Sensor Unit (PSU1)Pascall Systems, Inc. · 2026

Showing 5 of 12 descendants. See all descendants

Descendants cleared per year

2009: 12010: 12012: 12013: 12014: 12015: 22016: 12017: 12022: 12024: 12026: 1
2009high 2 (2015) · low 0 (2011)2026

Most influential descendants

Showing 5 of 12 · See all
  • K092039Identevent, Version 1.0GOptima Neuroscience, Inc. · 2009 · cites it directly9descendants
  • K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010 · 2 generations on7descendants
  • K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend and FFT PNihon Kohden America, Inc. · 2012 · 3 generations on5descendants
  • K213299Wireless EEG SystemPascall Systems, Inc. · 2022 · 4 generations on2descendants
  • K254213Pascall Sensor Unit (PSU1)Pascall Systems, Inc. · 2026 · 5 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K011397Persyst RevealPersyst Development Corp.2001—
+1K092039Identevent, Version 1.0GOptima Neuroscience, Inc.2009—
+2K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc.2010—
+3K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend…Nihon Kohden America, Inc.2012—
+4K213299Wireless EEG SystemPascall Systems, Inc.2022—
+5K254213Pascall Sensor Unit (PSU1)Pascall Systems, Inc.2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201010
201210
201310
201410
201520
201610
201710
202210
202410
202610
FIG. 1 — Lineage of K011397, 2001–2026Source: 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 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 OMB? 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 OMB device

  1. #1 K240993 encevis (2.1)score 15.0 · 4 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
*—Stellate Sensa
Named without a submission number
—

What descends from it? (12)

See all 12

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

NumberDeviceApplicantDecidedDescendants
K092039Identevent, Version 1.0GOptima Neuroscience, Inc.20099
K141883Cliniscansm EegPicofemto, LLC20150
K140552Cadwell Spike and Seizure DetectorCadwell20140
K123079Olympic Brainz MonitorExcel-Tech Ltd. (Xltek)20130

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?

  • Of its descendants, K092039 (Optima Neuroscience, Inc., 2009) has gone furthest, with 9 descendants of its own.

How does its category compare?

All OMB devices

OMB Automatic Event Detection Software For Full-Montage Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · OMB

5in 2025

2009: 12010: 12012: 12013: 12014: 22015: 32017: 12018: 32019: 12020: 12021: 12022: 12023: 22024: 52025: 52026 (partial year): 1
2007high 5 (2024) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OMB

143in 2025

2015: 233 days median2018: 108 days median2024: 201 days median2025: 143 days median
2007high 233 (2015) · low 108 (2018)2026

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

Recalls per year · OMB

1in 2021

2021: 1
2007high 1 (2021) · low 0 (2007)2026

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

Adverse event reports per year · OMB

6in 2025

2011: 12014: 22022: 12023: 42024: 212025: 6
2007high 21 (2024) · low 0 (2007)2025

MAUDE reports naming product code OMB, 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
20091—00
20101—00
20110—01
20121—00
20131—00
20142—02
2015323300
20160—00
20171—00
2018310800
20191—00
20201—00
20211—10
20221—01
20232—04
20245201021
2025514306
20261—0—

What is it indicated for?

This software is intended for use by a trained EEG technician or neurologist.

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. “K011397: Persyst Reveal.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K011397

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026