# K242378: Eclipse Treatment Planning System (18.1)

- Pathway: 510(k) (Traditional)
- Applicant: Varian Medical Systems
- Decided: Dec 11, 2024 after 124 days
- Product code: MUJ (System, Planning, Radiation Therapy Treatment)
- 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
Longest line of descent: 18 generations back to K010975 (2001). 22 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 24 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K230557: Eclipse Treatment Planning System (v18.0), Varian Medical Systems, Inc. (2023) Summary page 5.

## Most influential descendants
- K260750: Virtual Cone (1.0) (2026), 0 descendants of its own

## Indications for use
The Eclipse Treatment Planning System (Eclipse TPS) is used to plan radiotherapy treatments for patients with malignant or benign diseases. Eclipse TPS is used to plan external beam irradiation with photon, electron and proton beams, as well as for internal radiation (brachytherapy) treatments.

Source page: https://510kreport.com/device/K242378
Methodology: https://510kreport.com/methodology