# K024020: Theralight UV120-2 Uva/Uvb Phototherapy System

- Pathway: 510(k) (Traditional)
- Applicant: Theralight, Inc.
- Decided: Jan 17, 2003 after 43 days
- Product code: FTC (Light, Ultraviolet, Dermatological)
- Device class: 2
- Regulation: 21 CFR 878.4630
- 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 K885026 (1989). 12 ancestors in all.
289 later devices descend from it; 6 cite it directly.
0 of 302 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K022165: Theralight UV120-2 Uva/Uvb Phototherapy System, Model UV120-2, Theralight, Inc. (2002)
- K020591: Bclear, Lumenis (2002)
- K020847: Xtrac Excimer Laser System, Model AL7000, Photo Medex, Inc. (2002)

## Most influential descendants
- K040062: Levia Phototherapy System (2004), 280 descendants of its own
- K051428: Vtrac Excimer Lamp System (2005), 274 descendants of its own
- K072564: Alma Lasers Harmony XL Multi-Application Platform (2008), 266 descendants of its own
- K083899: Revlite Q-Switched ND:Yag Laser System (2009), 198 descendants of its own
- K101916: Joule Multi-Platform System (2011), 111 descendants of its own

## Indications for use
The TheraLight UV120-2 UVA / UVB Phototherapy System is indicated for use in PUVA photochemistry and UVB phototherapy for the treatment of psoriasis, vitiligo, atopic dermatitis (eczema), and seborrheic dermatitis. In addition, the System UVB channel is indicated for the treatment of leukoderma.

Source page: https://510kreport.com/device/K024020
Methodology: https://510kreport.com/methodology