# K261775: Uv Phototherapy (KN-4001A,KN-4001B,KN-4001AB)

- Pathway: 510(k) (Traditional)
- Applicant: Xuzhou Kernel Medical Equipment Co., Ltd.
- Decided: Jul 21, 2026 after 53 days
- 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 K828654 (1983). 13 ancestors in all.
No later device cites it as a predicate yet.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K230382: 3 Series NeoLux, Daavlin Distributing Co. (2023) Summary page 5.

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

Source page: https://510kreport.com/device/K261775
Methodology: https://510kreport.com/methodology