# K242729: AutoContour (Model RADAC V4)

- Pathway: 510(k) (Traditional)
- Applicant: Radformation, Inc.
- Decided: Dec 9, 2024 after 90 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: 16 generations back to K913770 (1991). 116 ancestors in all.
2 later devices descend 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)
- K230685: AutoContour Model RADAC V3, Radformation, Inc. (2023) Summary page 6.

## Most influential descendants
- K260509: AutoContour (RADAC V5) (2026), 1 descendant of its own
- 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/K242729
Methodology: https://510kreport.com/methodology