# K150212: DeScribe Transparent PFD Patch

- Pathway: 510(k) (Traditional)
- Applicant: On Light Sciences, Inc.
- Decided: Apr 20, 2015 after 80 days
- Product code: PKO (Transparent Patch For Use In Treatment Of Tattoos)
- Device class: 2
- Regulation: 21 CFR 878.4810
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K950019 (1995). 2 ancestors in all.
3 later devices descend from it; 2 cite it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K950019: Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase LT-100;LT-100, Thermolase Corp. (1995) Summary page 5.
- K971207: Softlight Q-Switched (ND:Yag) Laser, Thermolase Corp. (1998) Summary page 5.

## Most influential descendants
- K190542: Soliton Acoustic Wave Device (2019), 1 descendant of its own
- K200331: Rapid Acoustic Pulse Device (2020), 0 descendants of its own
- K172689: DESCRIBE PFD Patch (2017), 0 descendants of its own

## Indications for use
The Describe® Transparent PFD Patch is indicated for use as an accessory to laser tattoo removal procedures using a 755nm Q-Switched Alexandrite laser in Fitzpatrick Skin Type I-III patients.

Source page: https://510kreport.com/device/K150212
Methodology: https://510kreport.com/methodology