# K110509: Everyway Interferntial Stimulator, Model IF-908

- Pathway: 510(k) (Traditional)
- Applicant: Everyway Medical Instruments Co.,Ltd
- Decided: Jun 20, 2011 after 118 days
- Product code: LIH (Interferential Current Therapy)
- Device class: 2
- Regulation: 21 CFR 882.5890
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K921441 (1992). 5 ancestors in all.
No later device cites it as a predicate yet.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K050847: IF True Sine Interferential Stimulator, Model WL-2206A, Theratech, Inc. (2005) Summary page 1.

## Indications for use
The device is an interferential stimulator with TENS indications used for symptomatic relief and management of chronic intractable pain. It is intended for use on the order of a physician only

Source page: https://510kreport.com/device/K110509
Methodology: https://510kreport.com/methodology