# K873422: Obf Model 115 Computer Tonometer System

- Pathway: 510(k) (Traditional)
- Applicant: Ocular Blood Flow Laboratories, Inc.
- Decided: Nov 2, 1987 after 68 days
- Product code: HKX (Tonometer, Ac-Powered)
- 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.
2 later devices descend from it; 1 cites it directly.
0 of 3 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
- K970887: Blood Flow Analyzer (1997), 1 descendant of its own
- K023245: Blood Flow Analyzer (Bfa), Model 408-100-01 (2002), 0 descendants of its own

Source page: https://510kreport.com/device/K873422
Methodology: https://510kreport.com/methodology