# K022846: SW-180 Shortwave Therapy Unit

- Pathway: 510(k) (Traditional)
- Applicant: Ito Co., Ltd.
- Decided: Jan 28, 2003 after 154 days
- Product code: IMJ (Diathermy, Shortwave, For Use In Applying Therapeutic Deep Heat)
- Device class: 2
- Regulation: 21 CFR 890.5290
- 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 K973732 (1998). 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)
- K973732: Megapulse II, Pti (1998) Summary page 1.

## Indications for use
The SW-180 is indicated for use in applying therapeutic deep heat in body tissues for the treatment of selected medical conditions, including relief of pain, muscle spasms, and joint contractures.

Source page: https://510kreport.com/device/K022846
Methodology: https://510kreport.com/methodology