# K850543: Theratron 780C a Radionuclide Radiation Therapy SY

- Pathway: 510(k) (Traditional)
- Applicant: Atomic Energy of Canada
- Decided: May 10, 1985 after 88 days
- Product code: IWB (System, Radiation Therapy, Radionuclide)
- Device class: 2
- Regulation: 21 CFR 892.5750
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 1 cites it directly.
0 of 4 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
- K964606: Theratron 780E (1997), 2 descendants of its own
- K983917: Theratron Elite (1998), 1 descendant of its own
- K053485: Theratron Equinox, Models 80 CM and 100 CM (2006), 0 descendants of its own

Source page: https://510kreport.com/device/K850543
Methodology: https://510kreport.com/methodology