# K990233: ST-302 Infrarex

- Pathway: 510(k) (Traditional)
- Applicant: Skylark Device Co., Ltd.
- Decided: Oct 27, 1999 after 275 days
- Product code: ILY (Lamp, Infrared, Therapeutic Heating)
- Device class: 2
- Regulation: 21 CFR 890.5500
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K140865: Infrared Heating Device (2014), 0 descendants of its own

## Indications for use
The INFRAREX temporarily increases local blood circulation where applied, and temporarily relieves minor muscle and joint aches and pains.

Source page: https://510kreport.com/device/K990233
Methodology: https://510kreport.com/methodology