# K771198: Lumi-Aggregometer

- Pathway: 510(k) (Traditional)
- Applicant: Chrono-Log Corp.
- Decided: Aug 2, 1977 after 32 days
- Product code: JBY (Aggregometer, Platelet, Photo-Optical Scanning)
- Device class: 2
- Regulation: 21 CFR 864.6675
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
5 later devices descend from it; 2 cite it directly.
0 of 6 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
- K970505: Dade Pfa-100 Platelet Function Analyzer/Pfa Collagen/Epinephrine Test Cartridge/Pfa Collagen/Adp Test Cartridge/ (1997), 2 descendants of its own
- K060489: Dade Pfa-100 Platelet Function Analyzer and Reagents (2006), 1 descendant of its own
- K990398: Plateletworks (1999), 1 descendant of its own
- K191364: T-TAS 01 Total Thrombus-formation Analysis System Instrument, PL Chip for T-TAS 01, PL Chip Reservoir Set for T-TAS 01, BAPA tube for T-TAS 01 (2020), 0 descendants of its own
- K023761: Plateletworks, Models PW-a, PW-C (2003), 0 descendants of its own

Source page: https://510kreport.com/device/K771198
Methodology: https://510kreport.com/methodology