# K072553: System-Arms, Model 390,E60

- Pathway: 510(k) (Traditional)
- Applicant: Bio-Medical Research, Ltd.
- Decided: Dec 14, 2007 after 95 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 K010335 (2001). 4 ancestors in all.
25 later devices descend from it; 2 cite it directly.
0 of 30 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K070142: Slendertone System Abs, Models 390, E10, X10; Slendertone System Shorts, Models 390, E20, Bio-Medical Research Corp. (2007) Summary page 1.

## Most influential descendants
- K091865: Sport-Elec Body Control System (2009), 23 descendants of its own
- K092476: Sport-Elec Body Control System, Model 4M (2010), 22 descendants of its own
- K182106: BTL 799-2T (2018), 12 descendants of its own
- K190456: BTL 799-2L (2019), 11 descendants of its own
- K200382: BTL-703-2 (2021), 4 descendants of its own

## Indications for use
Toning of the triceps muscles of the upper arms.

Source page: https://510kreport.com/device/K072553
Methodology: https://510kreport.com/methodology