A mains electricity (AC-powered) device that applies sound stimuli (e.g., pure tones, speech) to a patient's acoustic system. It is typically used as a component of several types of devices such as audiometers, auditory evoked-potential recording systems, and
| Company | Devices | Share |
|---|---|---|
| Natus Medical Denmark Aps | 124 | 78% |
| Etymotic Research, Inc. | 29 | 18% |
| Sound Health Systems Inc | 2 | 1% |
| Medtronic Xomed, Inc. | 2 | 1% |
| Ge Healthcare Finland Oy | 1 | 1% |
| Cochlear Limited | 1 | 1% |
Company = labeler of record on GUDID. 6 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| GWJ | Stimulator, Auditory, Evoked Response | 158 |
| EWO | Audiometer | 39 |
| LNH | System, Nuclear Magnetic Resonance Imaging | 3 |
| GWN | Nystagmograph | 3 |
| QZC | External Mechanical Stimulator For The Relief Of Congestion | 2 |
| GXZ | ELECTRODE, NEEDLE | 2 |
Use these as the dimensions to specify in a tender line.
159 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Auditory stimulator", from 6 companies. The largest labeler is Natus Medical Denmark Aps with 78% of records.
GWJ (Stimulator, Auditory, Evoked Response), EWO (Audiometer), LNH (System, Nuclear Magnetic Resonance Imaging), GWN (Nystagmograph)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.