# K200382: BTL-703-2

- Pathway: 510(k) (Traditional)
- Applicant: Btl
- Decided: Jan 6, 2021 after 323 days
- Product code: NGX (Stimulator, Muscle, Powered, For Muscle Conditioning)
- Device class: 2
- Regulation: 21 CFR 890.5850
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 8 generations back to K010335 (2001). 19 ancestors in all.
4 later devices descend from it; 2 cite it directly.
0 of 24 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K190456: BTL 799-2L, BTL Industries, Inc. (2019) Summary page 5.

## Most influential descendants
- K240234: BTL-899MS (2024), 2 descendants of its own
- K253408: CoolTone (2026), 0 descendants of its own
- K251594: truFlex (2025), 0 descendants of its own
- K232409: Electromagnetic Stimulation Systems (2024), 0 descendants of its own

## Indications for use
BTL-703-2 is indicated to be used for: * Improvement of abdominal tone, strengthening of the abdominal muscles, development of firmer abdomen. » Strengthening, toning and firming of buttocks, thighs and calves. * Improvement of muscle tone and firmness, for strengthening muscles in arms.

Source page: https://510kreport.com/device/K200382
Methodology: https://510kreport.com/methodology