# K260509: AutoContour (RADAC V5)

- Pathway: 510(k) (Special)
- Applicant: Radformation, Inc.
- Decided: Mar 19, 2026 after 30 days
- Product code: QKB (Radiological Image Processing Software For Radiation Therapy)
- Device class: 2
- Regulation: 21 CFR 892.2050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 17 generations back to K913770 (1991). 117 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 119 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K242729: AutoContour (Model RADAC V4), Radformation, Inc. (2024) Summary page 6.

## Most influential descendants
- K262452: AutoContour (RADAC V6) (2026), 0 descendants of its own

## Indications for use
AutoContour is intended to assist radiation treatment planners in contouring and reviewing structures within medical images in preparation for radiation therapy treatment planning.

Source page: https://510kreport.com/device/K260509
Methodology: https://510kreport.com/methodology