# K984532: Cadplan Helios Option 6.0

- Pathway: 510(k) (Traditional)
- Applicant: Varian Medical Systems, Inc.
- Decided: Aug 9, 1999 after 231 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: 2 generations back to K884261 (1989). 4 ancestors in all.
27 later devices descend from it; 2 cite it directly.
0 of 32 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K940663: Peacock Plan, Nomos Corp. (1996) Summary page 1.

## Most influential descendants
- K993766: Helax-TMS V 5.0 Radiation Therapy Treatment Planning System (1999), 24 descendants of its own
- K010682: Helax-TMS V 5.1 Radiation Therapy Treatment Planning System (2001), 23 descendants of its own
- K020971: DCM 2.0 (2002), 22 descendants of its own
- K130617: Raystation (2013), 21 descendants of its own
- K140187: Ray Station (2014), 19 descendants of its own

## Indications for use
CadPlan is used to plan radiation therapy treatments employing linear accelerators and other similar teletherapy devices and x-ray energies from 4 to 50 MV, as well as Cobalt-60, and electron energies from 4 to 50 MeV, and to plan brachytherapy treatments.

Source page: https://510kreport.com/device/K984532
Methodology: https://510kreport.com/methodology