FDA product code GWN: Nystagmograph

GWN is the FDA product code for nystagmograph. It is a Class II device, regulated under 21 CFR 882.1460 and reviewed by the Neurology panel. FDA has cleared 60 510(k) submissions under GWN, 5 in the last five years, from 44 different applicants. The average 510(k) review took 151 days (median 112); 178 days on average over the last three years. FDA has posted 4 recalls for GWN devices.

Classification

FieldValue
Device nameNystagmograph
Device classClass II
Regulation21 CFR 882.1460
Review panelNE — Neurology
Medical specialtyNeurology
Premarket route510(k)
Third-party 510(k) review eligibleYes

510(k) clearances per year for GWN

YearClearancesAvg. review days
20174180
2018371
20191109
2020296
20231273
20253195
20261161

Compare with all 510(k) review times · Search every GWN clearance

Top GWN applicants

ApplicantClearancesLatest
Interacoustics A/S52020-08-12
Neuro Kinetics, Inc.32018-07-24
Micromedical Technologies, Inc.31997-07-15
Philadelphia Medical Specialties31984-02-10
Gn Otometrics22015-11-16

39 more applicants have GWN clearances. See the full list in Caduvo.

Most recent GWN clearances

510(k)ApplicantDeviceDecision dateReview days
K260566VertigoDx, Inc.SMARTVERTIGO™ Vestibular Assessment System2026-07-30161
K243709Neuroears, Inc.NeuroEars-Anna™2025-08-25266
K242198Natus Medical Denmark ApsICS Dizcovery (1091)2025-02-14203
K242726Inventis S.R.L.Synapsys VHIT2025-01-03115
K223047Neurobit Technologies Co., Ltd.NeuroSwift Pro2023-06-29273

Recalls for GWN devices

4 product recalls in 4 recall events; 0 initiated in the last five years and 0 still open. Most recent: 2015-07-21.

Frequently asked questions

What is FDA product code GWN?

GWN is the FDA product code for nystagmograph. It is a Class II device, regulated under 21 CFR 882.1460 and reviewed by the Neurology panel.

What device class is GWN?

Class II, regulation 21 CFR 882.1460. Typical premarket route: 510(k).

How long does a 510(k) take for product code GWN?

Across 60 cleared submissions the average was 151 days from receipt to decision (median 112).

Which companies have the most GWN clearances?

Interacoustics A/S (5); Neuro Kinetics, Inc. (3); Micromedical Technologies, Inc. (3); Philadelphia Medical Specialties (3); Gn Otometrics (2).

Have GWN devices been recalled?

Yes: 4 product recalls across 4 recall events; the most recent began 2015-07-21.

Next steps

Source: openFDA device classification, 510(k), PMA, De Novo and recall data (public domain). Review days run from FDA receipt to decision. Not regulatory advice.

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