# K252732: 1927nm Thulium Laser System (PZ-DJG75-01, PZ-DJG75-02)

- Pathway: 510(k) (Traditional)
- Applicant: Zhengzhou PZ Laser Slim Technology Co., Ltd.
- Decided: Oct 23, 2025 after 56 days
- Product code: GEX (Powered Laser Surgical Instrument)
- 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: 17 generations back to K910422 (1992). 136 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 138 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K241406: Lavieen, Wontech Co., Ltd. (2024) Summary page 7.

## Most influential descendants
- K261589: 1927nm Thulium Laser System (PZ-DJG85-01, PZ-DJG85-02) (2026), 0 descendants of its own

## Indications for use
1927nm Thulium Laser System is indicated for use in dermatological procedures requiring coagulation of soft tissue, treatment of actinic keratosis and treatment of benign pigmented lesions such as, but not limited to, lentigos (age spots), solar lentigos (sun spots) and ephelides (freckles).

Source page: https://510kreport.com/device/K252732
Methodology: https://510kreport.com/methodology