510(k) Report

510(k) · Cleared

Cleared

Ics Chartr EP 200 with Vemp

K143670510(k) TraditionalCleared Oct 23, 2015303-day reviewClass II21 CFR 882.1900

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

Gn Otometrics A/S · GWJ Stimulator, Auditory, Evoked Response

Cleared on Oct 23, 2015 as substantially equivalent to K092373 (Gn Otometrics, 2009) after a 303-day review. Its family tree reaches back 4 generations to 2000. 4 later devices descend from it.

Decided
Oct 23, 2015
Review
303 days
Class
Class II
Product code
GWJ
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K002985 (2000). 5 ancestors in all, the oldest K960097 (1997). 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor2017: 2 descendants cleared2024: 1 descendant cleared2020: 1 descendant clearedK002985 · Ics Medical Chartr EP and Chartr Oae Systems · Ics Medical Corp. · 2000K031986 · Ics Medical Chartr EP with Assr and Chartr Oae Systems · Ics Medical · 2003K083399 · Ics Chartr EP 200 · Gn Otometrics A/S · 2009 · recalledK092373 · Ics Chartr EP 200 · Gn Otometrics · 20091995200020052010201520202025
Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants K092373 · Ics Chartr EP 200 · Gn Otometrics · 2009K083399 · Ics Chartr EP 200 · Gn Otometrics A/S · 2009 · recalledK031986 · Ics Medical Chartr EP with Assr and Chartr Oae Systems · Ics Medical · 2003K002985 · Ics Medical Chartr EP and Chartr Oae Systems · Ics Medical Corp. · 20000
  1. Root · 4 generations backK002985 Ics Medical Chartr EP and Chartr Oae SystemsIcs Medical Corp. · 2000
  2. 3 generations backK031986 Ics Medical Chartr EP with Assr and Chartr Oae SystemsIcs Medical · 2003
  3. 2 generations backK083399 Ics Chartr EP 200Gn Otometrics A/S · 2009 · Recalled
  4. 1 generation backK092373 Ics Chartr EP 200Gn Otometrics · 2009
  5. This deviceK143670 Ics Chartr EP 200 with VempGn Otometrics A/S · 2015
  6. Descendant · cites it directly · 1 of its ownK163326 SmartEPIntelligent Hearing Systems · 2017
  7. Descendant · cites it directly · 1 of its ownK162037 Eclipse with VEMPInteracoustics A/S · 2017
  8. Descendant · 2 generations on · 0 of its ownK242954 Integrity V500 (Integrity, Integrity with VEMP)Vivosonic, Inc. · 2024
  9. Descendant · 2 generations on · 0 of its ownK193033 GSI Audera ProGrason Stadler · 2020

Most influential descendants

Showing 4 of 4 · See all
  • K163326SmartEPIntelligent Hearing Systems · 2017 · cites it directly1descendant
  • K162037Eclipse with VEMPInteracoustics A/S · 2017 · cites it directly1descendant
  • K242954Integrity V500 (Integrity, Integrity with VEMP)Vivosonic, Inc. · 2024 · 2 generations on0descendants
  • K193033GSI Audera ProGrason Stadler · 2020 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K002985Ics Medical Chartr EP and Chartr Oae SystemsIcs Medical Corp.2000—
−3K031986Ics Medical Chartr EP with Assr and Chartr Oae SystemsIcs Medical2003—
−2K083399Ics Chartr EP 200Gn Otometrics A/S20091
−1K092373Ics Chartr EP 200Gn Otometrics2009—
0 (this device)K143670Ics Chartr EP 200 with VempGn Otometrics A/S2015—
+1K163326SmartEPIntelligent Hearing Systems2017—
+1K162037Eclipse with VEMPInteracoustics A/S2017—
+2K242954Integrity V500 (Integrity, Integrity with VEMP)Vivosonic, Inc.2024—
+2K193033GSI Audera ProGrason Stadler2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201720
202010
202410
FIG. 1 — Lineage of K143670, 2000–2024Source: 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 GWJ? 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 GWJ device

  1. #1 K242954 Integrity V500 (Integrity, Integrity with VEMP)score 10.0 · 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
*K092373Ics Chartr EP 200
Summary page 4
…code: GWJ Classification Panel: Neurology Device Class: Class II FDA CFR Section: 21CFR 882.1900 2. Equivalent legally marketed devices: Chartr EP200, K092373, GN Otometrics 3. Description of the Device: “Vestibular Evoked Myogenic Potentials (VEMPs) are short latency electromyog…
Gn Otometrics2009—

Also cleared against K092373: 1 other device →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K163326SmartEPIntelligent Hearing Systems20171
K162037Eclipse with VEMPInteracoustics A/S20171

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 15 years and passes through 4 companies; a new generation was cleared every 5.6 years on median.
  • 1 of the 5 ancestors has a recall of any class.
  • Of its descendants, K163326 (Intelligent Hearing Systems, 2017) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K092373.

How does its category compare?

All GWJ devices

GWJ Stimulator, Auditory, Evoked Response: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · GWJ

2in 2024

2007: 22008: 42009: 42010: 12011: 22012: 12013: 22014: 22015: 12017: 22020: 12021: 12022: 12024: 2
2007high 4 (2008) · low 0 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWJ

111in 2009

2008: 64 days median2009: 111 days median
2007high 111 (2009) · low 64 (2008)2026

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

Recalls per year · GWJ

1in 2025

2008: 12010: 12019: 12025: 1
2007high 1 (2008) · low 0 (2007)2026

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

Adverse event reports per year · GWJ

1in 2025

2010: 22011: 52012: 12013: 12015: 32016: 12017: 432018: 242019: 52020: 32021: 32022: 82023: 62024: 72025: 1
2007high 43 (2017) · low 0 (2007)2025

MAUDE reports naming product code GWJ, 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—00
200846410
2009411100
20101—12
20112—05
20121—01
20132—01
20142—00
20151—03
20160—01
20172—043
20180—024
20190—15
20201—03
20211—03
20221—08
20230—06
20242—07
20250—11
20260—0—

What is it indicated for?

The ICS Chartr EP 200 with VEMP is indicated for auditory evoked potential testing as an aid in assessing hearing loss and lesions in the auditory pathway. The Vestibular Evoked Myogenic Potential is indicated for vestibular evoked potential testing as an aid in assessing vestibular function in adult patients. The device is to be used only by qualified medical personnel with prior knowledge of the medical and scientific facts underlying the procedure.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K143670: Ics Chartr EP 200 with Vemp.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K143670

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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