Diagnostic devices · 21 CFR 872 Subpart B
Dental Sonography Device for Monitoring Jaw Sounds
FDA device type “Device, Dental Sonography, For Monitoring Jaw Sounds”.
- Companies listing it
- 54 makers
- Brands and models
- 7
- 510(k) clearances
- 40 in five years
- FDA name
- Device, Dental Sonography, For Monitoring Jaw Sounds
510(k) clearances per year, 1976–2026
Companies that list NFQ
5 companies currently list this device type with FDA.
| Company | Country | Role | Brands and models listed | Clearances | Latest |
|---|---|---|---|---|---|
| Bioresearch | United States | Maker | BioJVA · BioJVA Wireless · BioPAK | 2 | 1995 |
| Great Lakes Dental Technologies, Ltd. | United States | Maker | Great Lakes Ortho Doppler | — | — |
| Weldon Instruments | Pakistan | Maker | NFQ / Device, dental sonography, for monitoring jaw sounds | — | — |
| Myotronics-Noromed, Inc | United States | Maker | ESG-1 ELECTROSONOGRAM | — | — |
| Dentimed Sao Joao LLC | United States | Repacker / relabeler | DENTQ | — | — |
510(k) clearances
| Decided | 510(k) | Device | Applicant |
|---|---|---|---|
| 2 Apr 1997 | K970116 | ESG-1 ELECTROSONOGRAM (ESG-1) | Myo-Tronics, Inc. |
| 15 May 1991 | K905657 | SONOPAK/QS, SONOPAK | Bioresearch |
| 26 Apr 1991 | K905449 | ELECTROSONOGRAM ESG-1 | Myo-Tronics, Inc. |
| 7 Jan 1987 | K862286 | ARTHROPHONOMETER | Arthrotek, Inc. |
Official records: FDA product classification for NFQ · 21 CFR 872.2050.
Source: FDA establishment registration & device listing, 510(k) and product classification files · FDA data as of 2 Nov 2026 · snapshot 12 Nov 2026