# K930506: Therpac Radiotherapy Treatment Planning System

- Pathway: 510(k) (Traditional)
- Applicant: Pinecliff Assoc.
- Decided: Aug 29, 1994 after 574 days
- Product code: IYE (Accelerator, Linear, Medical)
- Device class: 2
- Regulation: 21 CFR 892.5050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
177 later devices descend from it; 2 cite it directly.
0 of 178 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K982821: MMS Therpacplus B3DTUI Model Number 6.7 (1998), 165 descendants of its own
- K030534: Variseed 7.1 (2003), 83 descendants of its own
- K103576: Mim 5.2 (Brachy) (2011), 79 descendants of its own
- K993923: Adac PINNACLE3TM Radiation Therapy Planning System (2000), 79 descendants of its own
- K151913: MIM-Thin Client (mobile) (2016), 68 descendants of its own

Source page: https://510kreport.com/device/K930506
Methodology: https://510kreport.com/methodology