# K831320: Drionic

- Pathway: 510(k) (Traditional)
- Applicant: General Medical Co.
- Decided: Jul 19, 1983 after 88 days
- Product code: EGJ (Device, Iontophoresis, Other Uses)
- Device class: 2
- Regulation: 21 CFR 890.5525
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
5 later devices descend from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K133033: Hidrex PSP1000 (2015), 4 descendants of its own
- K192749: Dermadry (2020), 1 descendant of its own
- K242041: STOPWET iontophoresis apparatus (SW01) (2025), 0 descendants of its own
- K241267: Hidroxa SE30 (2024), 0 descendants of its own
- K191436: Saalio (2019), 0 descendants of its own

Source page: https://510kreport.com/device/K831320
Methodology: https://510kreport.com/methodology