# K020847: Xtrac Excimer Laser System, Model AL7000

- Pathway: 510(k) (Traditional)
- Applicant: Photo Medex, Inc.
- Decided: May 16, 2002 after 62 days
- Product code: GEX (Powered Laser Surgical Instrument)
- Device class: 2
- Regulation: 21 CFR 878.4810
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K885026 (1989). 7 ancestors in all.
295 later devices descend from it; 6 cite it directly.
0 of 303 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K885026: Houva II Uvb, National Biological Corp. (1989) Summary page 1.
- K934808: Uvisol and Uvisol II, National Biological Corp. (1993) Summary page 1.
- K011197: Dermaclear UV-B Phototherapy System, Lumenis (2001) Summary page 1.
- K992914: Excimer Laser Phototherapy System, AL7000, Acculase, Inc. (2000) Summary page 1.
- K003705: Xtrac Excimer Laser System, Model AL7000, Photo Medex, Inc. (2001) Summary page 1.
- K011382: Xtrac Excimer Laser System, Model AL 7000, Photo Medex, Inc. (2001) Summary page 1.

## Most influential descendants
- K024020: Theralight UV120-2 Uva/Uvb Phototherapy System (2003), 289 descendants of its own
- 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

## Indications for use
UVB Phototherapy for psoriasis, vitiligo, atopic dermatitis, and leukoderma

Source page: https://510kreport.com/device/K020847
Methodology: https://510kreport.com/methodology