# K000114: RS-4M+Muscle Stimulator

- Pathway: 510(k) (Traditional)
- Applicant: Rs Medical
- Decided: Aug 10, 2000 after 209 days
- Product code: IPF (Stimulator, Muscle, Powered)
- 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
No predicates in its family tree.
55 later devices descend from it; 3 cite it directly.
0 of 56 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K021100: 300 PV Complete Electrotherapy System (2002), 48 descendants of its own
- K093324: Empi Continuum (2010), 26 descendants of its own
- K124016: Empi Phoenix (2013), 25 descendants of its own
- K153704: Strive (2016), 24 descendants of its own
- K170903: Compex Wireless USA (2017), 10 descendants of its own

Source page: https://510kreport.com/device/K000114
Methodology: https://510kreport.com/methodology