# K192746: MyoWorx TM20

- Pathway: 510(k) (Traditional)
- Applicant: Myoworx, Inc.
- Decided: Oct 19, 2021 after 750 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
Longest line of descent: 1 generation back to K984114 (1999). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K984114: Sys Stim 294, Model ME 294, Mettler Electronics Corp. (1999) Summary page 4.

## Indications for use
Muscle relaxation and increased local blood circulation.

Source page: https://510kreport.com/device/K192746
Methodology: https://510kreport.com/methodology