# K051961: Wwmed, Model 401

- Pathway: 510(k) (Traditional)
- Applicant: Wong Way Corporation
- Decided: Feb 10, 2006 after 206 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
Longest line of descent: 3 generations back to K875052 (1988). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K024179: Palomar Lightcube, Palomar Medical Products, Inc. (2003) Summary page 2.

## Indications for use
The wwMed t Model 401 is intended to emit energy in the infrared spectrum to provide topical heating for use when heat is indicated in the temporary relief of minor muscle and joint pain, muscle spasm, pain and stiffness associated with arthritis, and promoting relaxation of muscles.

Source page: https://510kreport.com/device/K051961
Methodology: https://510kreport.com/methodology