# K090097: LH-75T Phototherapy System

- Pathway: 510(k) (Traditional)
- Applicant: Lerner Medical Devices, Inc.
- Decided: Feb 26, 2009 after 42 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: 6 generations back to K885026 (1989). 19 ancestors in all.
7 later devices descend from it; 2 cite it directly.
0 of 27 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) Summary page 1.
- K024020: Theralight UV120-2 Uva/Uvb Phototherapy System, Theralight, Inc. (2003) Summary page 1.
- K040062: Levia Phototherapy System, Lerner Medical Devices, Inc. (2004) Summary page 1.
- K073587: Dermapal with Digital Timer, Daavlin Distributing Co. (2008) Summary page 1.

## Most influential descendants
- K170489: Skylit Phototherapy System (2017), 5 descendants of its own
- 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

## Indications for use
The LH-75T Phototherapy System is intended for use, by or under the direction of a physician, in UVB phototherapy for the treatment of psoriasis, vitiligo, atopic dermatitis (eczema), seborrheic dermatitis and leucoderma. The LH-75T Phototherapy System is intended for use on all skin types (I -VI).

Source page: https://510kreport.com/device/K090097
Methodology: https://510kreport.com/methodology