# K864520: Barron Rotary Blade Trephine Using Hessburg-Barron

- Pathway: 510(k) (Traditional)
- Applicant: Precision Instruments, Inc.
- Decided: Jan 20, 1987 after 64 days
- Product code: HRH (Trephine, Manual, Ophthalmic)
- Device class: 1
- Regulation: 21 CFR 886.4350
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
64 later devices descend from it; 3 cite it directly.
0 of 65 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
- K981063: Automated Corneal Trephine (1998), 61 descendants of its own
- K041893: Intralase FS Laser (2005), 60 descendants of its own
- K060372: Intralase FS Laser, Intralase FS30 Laser, Models 1, 2, 3 (2006), 58 descendants of its own
- K063682: Intralase Fusion Laser (2007), 57 descendants of its own
- K073404: Ifs Laser System (2008), 56 descendants of its own

Source page: https://510kreport.com/device/K864520
Methodology: https://510kreport.com/methodology