# K950019: Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase LT-100;LT-100

- Pathway: 510(k) (Traditional)
- Applicant: Thermolase Corp.
- Decided: Apr 3, 1995 after 90 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
No predicates in its family tree.
1,568 later devices descend from it; 8 cite it directly.
0 of 1,569 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K963947: Epilaser Normal Mode Ruby Laser (1997), 1,546 descendants of its own
- K973324: Starlight Pulsed Diode Array Laser System (1997), 1,535 descendants of its own
- K982940: Lightsheer Pulsed Diode Array Laser System (1999), 1,526 descendants of its own
- K980517: Epilaser Normal Mode Ruby Laser (1998), 1,509 descendants of its own
- K963249: Epilight Hair Removal System (1997), 1,499 descendants of its own

Source page: https://510kreport.com/device/K950019
Methodology: https://510kreport.com/methodology