# K021794: Tatung TMD-26AX Series Tens, Models NO. TMD-26AB Tatung Tens (Blue Housing) TMD-26AY Tatung Tens (Yellow Housing)

- Pathway: 510(k) (Traditional)
- Applicant: Tatung Co.
- Decided: Jan 13, 2003 after 227 days
- Product code: GZJ (Stimulator, Nerve, Transcutaneous, For Pain Relief)
- Device class: 2
- Regulation: 21 CFR 882.5890
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K003487 (2001). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K003487: Stimate N601 Tens, Everyway Medical Instruments Co.,Ltd (2001) Summary page 1.

## Most influential descendants
- K040311: Shian Jia Meei Digatal PWN Tens, Model YW-6000/UC-332/UC-330/ST-331 (2004), 0 descendants of its own

## Indications for use
The TATUNG TMD-26AX SERIES TENS is intended for symptomatic relief and management of chronic intractable pain.

Source page: https://510kreport.com/device/K021794
Methodology: https://510kreport.com/methodology