# K852774: Oculab Tonopen

- Pathway: 510(k) (Traditional)
- Applicant: Oculab, Inc.
- Decided: Aug 20, 1985 after 50 days
- Product code: HKY (Tonometer, Manual)
- Device class: 2
- Regulation: 21 CFR 886.1930
- 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 later device descends from it; 1 cites it directly.
0 of 2 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
- K042099: Tonopach Ultrasonic Tonometer/Pachymeter Model P-201 (the Tonopach) (2004), 0 descendants of its own

Source page: https://510kreport.com/device/K852774
Methodology: https://510kreport.com/methodology