An assembly of mains electricity (AC-powered) devices designed to monitor and provide electrical stimuli to spinal nerves or other neural pathways (may include the brain) during intraoperative surgery or intensive care, typically to reduce the incidence of acc
| Company | Devices | Share |
|---|---|---|
| Nuvasive, Inc. | 176 | 50% |
| Alphatec Spine, Inc. | 38 | 11% |
| Cadwell Industries, Inc. | 33 | 9% |
| Nihon Kohden America, Inc. | 27 | 8% |
| Nihon Kohden Corporation | 24 | 7% |
| Fhc, Inc. | 22 | 6% |
| Covidien Lp | 11 | 3% |
| Shenzhen Changke Connect Electronics Co., Ltd. | 8 | 2% |
| Natus Manufacturing Limited | 7 | 2% |
| Digitimer Limited | 1 | 0% |
| Neurosoft, Ooo | 1 | 0% |
| G.Tec Medical Engineering Gmbh | 1 | 0% |
Company = labeler of record on GUDID. 13 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 |
|---|---|---|
| GWF | STIMULATOR, ELECTRICAL, EVOKED RESPONSE | 210 |
| ETN | STIMULATOR, NERVE | 202 |
| IKN | Electromyograph, diagnostic | 197 |
| PDQ | Neurosurgical nerve locator | 190 |
| OLO | Orthopedic stereotaxic instrument | 136 |
| HAW | Neurological stereotaxic Instrument | 135 |
Use these as the dimensions to specify in a tender line.
No closely related category with 50+ devices.
350 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Neurophysiologic monitoring system", from 13 companies. The largest labeler is Nuvasive, Inc. with 50% of records.
GWF (STIMULATOR, ELECTRICAL, EVOKED RESPONSE), ETN (STIMULATOR, NERVE), IKN (Electromyograph, diagnostic), PDQ (Neurosurgical nerve locator)
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.