# K202789: Monaco Rtp System

- Pathway: 510(k) (Traditional)
- Applicant: Elekta Solutions AB
- Decided: Feb 23, 2021 after 154 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: 17 generations back to K913770 (1991). 256 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 260 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K190178: Monaco RTP System, Elekta, Inc. (2019) Summary page 4.
- K190387: RayStation, RaySearch Laboratories AB (PUBL) (2019) Summary page 4.

## Most influential descendants
- K213787: Monaco RTP System (2022), 2 descendants of its own
- K223233: Monaco RTP System (2023), 1 descendant of its own
- K252002: Monaco RTP System (6.3) (2026), 0 descendants of its own

## Indications for use
The Monaco system is used to make treatment plans for patients with prescriptions for external beam radiation therapy. The system calculates dose for photon, proton and electron treatment plans and displays, on-screen and in hard-copy, two- or three-dimensional radiation dose distributions inside patients for given treatment plan set-ups. The Monaco product line is intended for use in radiation treatment planning. It uses generally accepted methods for: • contouring • image manipulation • simulation • image fusion • plan optimization • QA and plan review

Source page: https://510kreport.com/device/K202789
Methodology: https://510kreport.com/methodology