FDA product code · Neurology
Prescription Audiovisual Stimulator (Avs) For Temporary Pain Relief (Adjunctive Use)
FDA lists QYN as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 890.9 applies, such as a new intended use or a different fundamental technology. 1 FDA decision. No recall names this code.
An AVS is a prescription use device intended for temporary pain relief and is used adjunctively with other pain therapies
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of QYN at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.
Planning a device in QYN? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.
See the 510(k) Report