510(k) Report

FDA applicant

A-1 Engineering

Irvine, CA2 decisions2019–20250 recalls

FDA records 2 decisions for A-1 Engineering (Irvine, CA) from 2019 to 2025: 2 510(k) clearances. Most are in product codes NGX (Stimulator, Muscle, Powered, For Muscle…) and NFO (Stimulator, Transcutaneous Electrical…). Its devices cite 4 predicates, 0 of them its own earlier devices. No recall is linked to its devices.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) refreshed weekly, last Nov 3, 2026

FIG. A — Illustration, physical medicine panel, where it files most

How often FDA has decided A-1 Engineering’s devices, and how often a recall has named them.

FDA decisions per year

1in 2025

2019: 12025: 1
2019high 1 (2019) · low 0 (2020)2026

2026 so far, outlined.

Recalls per year

No recall linked to its devices since 2019.

FIG. 1 — A-1 Engineering by year, 2019–2026Sources: FDA decision databases, recall and enforcement reports · Data through Oct 25, 2026

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Which product codes does it file in?

  • NGXStimulator, Muscle, Powered, For Muscle Conditioning1decision
  • NFOStimulator, Transcutaneous Electrical, Aesthetic Purposes1decision

Whose devices does it build on?

Its devices cite 4 predicates; 0 are its own earlier devices. The firms it cites most:

Who builds on its devices?

Later devices cite its devices 2 times; 0 of those are its own. The firms that cite it most:

Which of its devices are cited most?

Its devices that later submissions most often claim equivalence to.

  • K182440Body SystemA-1 Engineering · 20192cite it

What has FDA decided for it lately?

  • K251909NeurotriS (SX2500); NeurotriS (SX3800)A-1 Engineering · 2025
  • K182440Body SystemA-1 Engineering · 2019

All 2 as A-1 Engineering →