# K171488: PSLT for PASCAL Streamline

- Pathway: 510(k) (Traditional)
- Applicant: Topcon Medical Laser Systems, Inc.
- Decided: Nov 27, 2017 after 189 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: 8 generations back to K894841 (1989). 27 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 29 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K100019: Pascal Streamline Photocoagulator, Optimedica Corporation (2010) Summary page 4.
- K111108: Pascal Streamline 577 (with Accessories), Topcon Medical Laser Systems, Inc. (2011) Summary page 5.

## Most influential descendants
- K180402: PSLT with PASCAL Synthesis, PSLT with PASCAL Synthesis TwinStar (2018), 0 descendants of its own

## Indications for use
Pattern Scanning Laser Trabeculoplasty (PSLT) software is intended for use with the PASCAL Streamline for procedures in trabeculoplasty in open angle glaucoma.

Source page: https://510kreport.com/device/K171488
Methodology: https://510kreport.com/methodology