# K173436: Luma Light System

- Pathway: 510(k) (Traditional)
- Applicant: Luma Therapeutics
- Decided: Jan 30, 2018 after 88 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: 8 generations back to K885026 (1989). 29 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K170489: Skylit Phototherapy System, Skylit Medical (2017) Summary page 4.

## Most influential descendants
- K192642: 308nm Excimer System (2020), 2 descendants of its own
- K200971: 308nm Excimer System (2020), 1 descendant of its own
- K242977: 308nm Excimer Phototherapy Device (CN-308E, KN-4003B3, KN-4003B4, KN-5000C KN-5000D, KN-5000H, KN-5000K) (2025), 0 descendants of its own

## Indications for use
The LUMA™ Light System is an Ultraviolet Light Emitting Medical Device. It is intended for use in localized phototherapeutic treatment of dermatologic conditions such as psoriasis, vitiligo, atopic dermatitis (eczema), sebhoreic dermatitis, and leukoderma on all skin types (I-VI).

Source page: https://510kreport.com/device/K173436
Methodology: https://510kreport.com/methodology