510(k) · Cleared
ClearedIcs Impulse
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Gn Otometrics · GWN Nystagmograph
Cleared on Feb 1, 2013 as substantially equivalent to K891008 (Micromedical Technologies, Inc., 1989) and 1 other predicate after a 164-day review. Its family tree reaches back 1 generation to 1989. 4 later devices descend from it.
- Decided
- Feb 1, 2013
- Review
- 164 days
- Class
- Class II
- Product code
- GWN
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K891008 (1989). 2 ancestors in all. 4 later devices descend from it, 1 citing it directly.
- Root · 1 generation backK891008 Vestibular Ocular Reflex Test Equipment (Vorteq)Micromedical Technologies, Inc. · 1989
- This deviceK122550 Ics ImpulseGn Otometrics · 2013
- Descendant · cites it directly · 3 of its ownK151504 ICS ImpulseGn Otometrics · 2015
- Descendant · 2 generations on · 0 of its ownK242198 ICS Dizcovery (1091)Natus Medical Denmark Aps · 2025
- Descendant · 2 generations on · 0 of its ownK242726 Synapsys VHITInventis S.R.L. · 2025
- Descendant · 2 generations on · 0 of its ownK163270 ISEN-Goggles with Data ViewerIsent Tech & Trading Company, Ltd. · 2017
Most influential descendants
Showing 4 of 4 · See all- K151504ICS ImpulseGn Otometrics · 2015 · cites it directly3descendants
- K242198ICS Dizcovery (1091)Natus Medical Denmark Aps · 2025 · 2 generations on0descendants
- K242726Synapsys VHITInventis S.R.L. · 2025 · 2 generations on0descendants
- K163270ISEN-Goggles with Data ViewerIsent Tech & Trading Company, Ltd. · 2017 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K891008 | Vestibular Ocular Reflex Test Equipment (Vorteq) | Micromedical Technologies, Inc. | 1989 | — |
| 0 (this device) | K122550 | Ics Impulse | Gn Otometrics | 2013 | — |
| +1 | K151504 | ICS Impulse | Gn Otometrics | 2015 | — |
| +2 | K242198 | ICS Dizcovery (1091) | Natus Medical Denmark Aps | 2025 | — |
| +2 | K242726 | Synapsys VHIT | Inventis S.R.L. | 2025 | — |
| +2 | K163270 | ISEN-Goggles with Data Viewer | Isent Tech & Trading Company, Ltd. | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 1 | 0 |
| 2017 | 1 | 0 |
| 2025 | 2 | 0 |
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 GWN? 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 GWN device
- #1 K260566 SMARTVERTIGO™ Vestibular Assessment Systemscore 12.1 · 2 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K891008 | Vestibular Ocular Reflex Test Equipment (Vorteq)Summary page 1…Codes: GWN and LXV, Device: Nystagmograph Common/Usual Name: Vestibular testing device 2. Equivalent legally marketed devices: Micromedical Technologies Inc. Vorteq, K89 1008 and Micromedical Technologies Inc. VisualEyes K964325. 3. Description of the Device: The device is a combination of hardware… | 1989 |
| * | K964325 | Visualeyes: Video Eye MonitorSummary page 1…Name: Vestibular testing device 2. Equivalent legally marketed devices: Micromedical Technologies Inc. Vorteq, K89 1008 and Micromedical Technologies Inc. VisualEyes K964325. 3. Description of the Device: The device is a combination of hardware and software. The patient wears a pair of lightweight,… | 1997 |
What descends from it? (4)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K151504 | ICS Impulse | 2015 | 3 |
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?
How does its category compare?
All GWN devicesGWN Nystagmograph: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.
FDA decisions per year · GWN
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GWN
203in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GWN
1in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GWN
1in 2025
MAUDE reports naming product code GWN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 0 | 0 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 2 |
| 2013 | 3 | 88 | 1 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 3 | 165 | 0 | 0 |
| 2016 | 2 | — | 0 | 0 |
| 2017 | 4 | 160 | 0 | 0 |
| 2018 | 3 | 87 | 0 | 1 |
| 2019 | 1 | — | 0 | 5 |
| 2020 | 2 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 0 | — | 0 | 1 |
| 2023 | 1 | — | 0 | 3 |
| 2024 | 0 | — | 0 | 4 |
| 2025 | 3 | 203 | 0 | 1 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The ICS Impulse System is used in the assessment of the vestibular-ocular reflex (VOR) by measuring, recording, displaying, and analyzing eye and head movements.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K122550 · printed Nov 6, 2026
Cite this page
510(k) Report. “K122550: Ics Impulse.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K122550
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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