v1 → v2 change-to-evidence matrix
Assumed changed; old output materials do not automatically cover it
Assumed changed; verify use and software version
Measure this version with defined time points and comparison
Not inferred from short-term experience
FDA 2026 guidance informs discussion of general wellness versus disease-related use; it is not a risk classification or authorisation for this pad.
| Check | Finding / sample content | Use |
|---|---|---|
| Reusable material | v1 identity and study methods inform review; effects need separate assessment | Record change impact and reuse rationale item by item |
| Evidence sequence | Check technical output before choosing experience comparisons | List bench, usability and experience-study tasks separately |
- FDA 2026: General Wellness — policy for low risk devices
- MDCG 2020-5: Clinical evaluation — equivalence