# K903402: Geohesive (TM), Model Numbers 1022L, 1023L, 1026L

- Pathway: 510(k) (Traditional)
- Applicant: Medi-Source, Inc.
- Decided: Aug 22, 1990 after 22 days
- Product code: GXY (Electrode, Cutaneous)
- Device class: 2
- Regulation: 21 CFR 882.1320
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
35 later devices descend from it; 1 cites it directly.
0 of 36 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
- K963125: M and R Reusable Electrodes (Multiple) (1997), 34 descendants of its own
- K020735: Sof-Pach Reusable Neurostimulation Electrodes (2002), 32 descendants of its own
- K080276: Self-Adhesive Electrodes (2008), 31 descendants of its own
- K090198: Jiajian Self-Adhesive Electrode (2009), 26 descendants of its own
- K132998: Wandy Self-Adhesive Electrodes (2013), 16 descendants of its own

Source page: https://510kreport.com/device/K903402
Methodology: https://510kreport.com/methodology