# K111476: Contour Technology Muscle Stimulator

- Pathway: 510(k) (Traditional)
- Applicant: Contour Technology
- Decided: May 23, 2012 after 362 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: 3 generations back to K940301 (1994). 5 ancestors in all.
4 later devices descend from it; 2 cite it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K011880: Compex Sport, Compex S.A. (2002) Summary page 2.
- K031611: P4-Fitness, Valmed Corp. (2004) Summary page 2.
- K030708: Slendertone Flex Abdominal Training System, Type 515, Bio-Medical Research, Ltd. (2003) Summary page 2.

## Most influential descendants
- K130074: Gymform Abs-a-Round (2013), 3 descendants of its own
- K142055: Gymform Abs & Core (2015), 1 descendant of its own
- K202653: Gymform Total ABS (2021), 0 descendants of its own
- K181728: Muscle Trainer (2018), 0 descendants of its own

## Indications for use
The Contour Technology Muscle Stimulator is intended to stimulate healthy muscles in order to improve or facilitate muscle performance. The Contour Technology Muscle Stimulator may therefore be considered a technique or method for muscle training. The Contour Technology Muscle Stimulator Ab Belt accessory is intended for use on abdominal muscles only for strengthening and toning of abdominal muscles. The Contour Technology Muscle Stimulator BackPad accessory is intended for use on the lower back muscles only.

Source page: https://510kreport.com/device/K111476
Methodology: https://510kreport.com/methodology