# K233811: DT Controlled Phototherapy Equipment

- Pathway: 510(k) (Special)
- Applicant: Daavlin Distributing Co.
- Decided: Dec 13, 2023 after 14 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: 2 generations back to K022104 (2002). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K073587: Dermapal with Digital Timer, Daavlin Distributing Co. (2008) Summary page 4.
- K220840: 1 Series Phototherapy Equipment, Daavlin Distributing Co. (2022) Summary page 4.

## Indications for use
The DT Controlled Phototherapy Equipment devices are indicated for use to treat diagnosed skin disorders such as, but not limited to, psoriasis, vitiligo, and atopic dermatitis (eczema) under the direction of a physician. The population may range from pediatric to geriatric.

Source page: https://510kreport.com/device/K233811
Methodology: https://510kreport.com/methodology