# K050265: Chrono-Log Whole Blood Lumi-Aggregometer, Model 700

- Pathway: 510(k) (Traditional)
- Applicant: Chrono-Log Corp.
- Decided: Oct 14, 2005 after 252 days
- Product code: JOZ (System, Automated Platelet Aggregation)
- Device class: 2
- Regulation: 21 CFR 864.5700
- 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 K830749 (1983). 5 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K830749: Platelet Aggregometer, Chrono-Log Corp. (1983) Summary page 1.
- K851025: Aggro/Link Computer Interface, Chrono-Log Corp. (1985) Summary page 1.
- K032951: Chrono-Log Whole Blood Aggregometer, Models 591A and 592A, Chrono-Log Corp. (2004) Summary page 2.

## Most influential descendants
- K161329: Chrono-log Platelet Aggregometer, 4 channel; Chrono-log Platelet Aggregometer, 8 channel (2016), 0 descendants of its own
- K103555: Multiplate 5.0 Aggregometer (2012), 0 descendants of its own

## Indications for use
For in-vitro diagnostic use for measuring platelet aggregation and ATP secretion in whole blood or platelet rich plasma.

Source page: https://510kreport.com/device/K050265
Methodology: https://510kreport.com/methodology