# K894706: HT-Res RTP System

- Pathway: 510(k) (Traditional)
- Applicant: Adac Laboratories
- Decided: Oct 11, 1989 after 79 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.
84 later devices descend from it; 1 cites it directly.
0 of 85 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
- K951581: PINNACLE3 Apex (1996), 83 descendants of its own
- K993923: Adac PINNACLE3TM Radiation Therapy Planning System (2000), 79 descendants of its own
- K013112: Focal Sim (2001), 47 descendants of its own
- K032724: PINNACLE3 Radiation Therapy Planning System (2003), 44 descendants of its own
- K041577: PINNACLE3 Radiation Therapy Planning System (2004), 39 descendants of its own

Source page: https://510kreport.com/device/K894706
Methodology: https://510kreport.com/methodology