# K170489: Skylit Phototherapy System

- Pathway: 510(k) (Traditional)
- Applicant: Skylit Medical
- Decided: May 23, 2017 after 95 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: 7 generations back to K885026 (1989). 28 ancestors in all.
5 later devices descend from it; 2 cite it directly.
0 of 34 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K040062: Levia Phototherapy System, Lerner Medical Devices, Inc. (2004) Summary page 4.
- K090097: LH-75T Phototherapy System, Lerner Medical Devices, Inc. (2009) Summary page 4.
- K073587: Dermapal with Digital Timer, Daavlin Distributing Co. (2008) Summary page 4.
- K072035: Resolve Uvb Phototherapy System, Allux Medical (2007) Summary page 4.

## Most influential descendants
- K173436: Luma Light System (2018), 3 descendants of its own
- K192642: 308nm Excimer System (2020), 2 descendants of its own
- K200971: 308nm Excimer System (2020), 1 descendant of its own
- K253871: Klär Lite (RCW-KL1000) (2026), 0 descendants 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 Clarify Medical Phototherapy System is an Ultraviolet Light Emitting Medical Device. It is intended for use in localized phototheraputic treatment of dermatologic conditions such as psoriasis, vitiligo, atopic dermatitis (eczema), seborrheic dermatitis and lenkoderma on all skintypes (I-VI).

Source page: https://510kreport.com/device/K170489
Methodology: https://510kreport.com/methodology