# K823041: Jeol Model #JTG-500M

- Pathway: 510(k) (Traditional)
- Applicant: Jeol
- Decided: Nov 24, 1982 after 41 days
- Product code: IYM (System, Telethermographic, Infrared)
- Device class: 3
- Regulation: 21 CFR 884.2980
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
4 later devices descend from it; 1 cites it directly.
0 of 5 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
- K990416: Omnicorder Bioscan System (1999), 3 descendants of its own
- K032350: Infrared Sciences Breastscan IR System (2004), 2 descendants of its own
- K162767: Sentinel BreastScan II System (2017), 0 descendants of its own
- K160573: FirstSense Breast Exam (2016), 0 descendants of its own

Source page: https://510kreport.com/device/K823041
Methodology: https://510kreport.com/methodology