# JJO: Flame Emission Photometer For Clinical Use

- Device class: 1; regulation: 21 CFR 862.2540; FDA's rule: 510(k) exempt
- FDA decisions: 22
- Recalls: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026; MAUDE to Sep 30, 2026

## Decisions per year (last 10)
- 1977: 2
- 1978: 2
- 1979: 1
- 1982: 1
- 1983: 7
- 1984: 6
- 1985: 1
- 1986: 1
- 1987: 1

## Most-cited predicates
- K823480: IL 943 Flame Photometer (1983), cited by 6

Source page: https://510kreport.com/product-code/JJO
Data by year (CSV): https://510kreport.com/product-code/JJO.csv