# K091981: Lightlas 577 Medical Optical Pumped Semiconductor Laser

- Pathway: 510(k) (Traditional)
- Applicant: Lightmed Corp.
- Decided: Sep 28, 2009 after 89 days
- Product code: HQF (Laser, Ophthalmic)
- Device class: 2
- Regulation: 21 CFR 886.4390
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K894841 (1989). 14 ancestors in all.
No later device cites it as a predicate yet.
0 of 15 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K063297: Lightlas 561 Opthalmic Photocoagulator, Lightmed Corp. (2007) Summary page 1.
- K022181: Novus Varia Ophthalmic Laser and Delivery Devices with Accessories, Lumenis, Inc. (2002) Summary page 1.
- K071687: Famili of Iridex IQ Laser Systems, Iridex Corp (2008) Summary page 1.

## Indications for use
Ophthalmology: * Retinal Photocoagulation * Pan Retinal Photocoagulation * Endophotocoagulation * Macular Treatments * Laser Trabeculoplasty

Source page: https://510kreport.com/device/K091981
Methodology: https://510kreport.com/methodology