# K020020: The Izzzy-Tens (WL-2401), the Slim-Tens (WL-2402), the Mens-Tens (WL2403), the Compact Tens (WL-2302)

- Pathway: 510(k) (Traditional)
- Applicant: Well-Life Healthcare, Inc.
- Decided: Dec 30, 2002 after 361 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 K002874 (2001). 1 ancestor in all.
4 later devices descend from it; 3 cite 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)
- K002874: Well-Tens, Well-Life Consultant (2001)

## Most influential descendants
- K032928: Mediphysics Pain Treatment System, Model 1 (2003), 2 descendants of its own
- K070474: Newlife Sciences LLC, Model TMR (2007), 1 descendant of its own
- K202186: TrueRelief Device (2021), 0 descendants of its own
- K080304: Pro Tens, Model WL-240 RX (2008), 0 descendants of its own

## Indications for use
The Mini-TENS including a series of TENS models (WL-2401, WL-2402, WL-2403, and WL-2302) is intended for symptomatic relief of chronic intractable pain.

Source page: https://510kreport.com/device/K020020
Methodology: https://510kreport.com/methodology