# K151887: syngo VSim

- Pathway: 510(k) (Traditional)
- Applicant: Siemens Medical Solutions USA, Inc.
- Decided: Sep 16, 2015 after 68 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: 8 generations back to K914698 (1992). 56 ancestors in all.
8 later devices descend from it; 1 cites it directly.
0 of 65 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K101119: Syngo Dosimetrist Workspace V2.7 Model: 1056864, Siemens Medical Solutions USA, Inc. (2010) Summary page 5.

## Most influential descendants
- K173635: syngo.via RT Image Suite (2018), 7 descendants of its own
- K192065: Syngo.Via RT Image Suite (2019), 6 descendants of its own
- K201444: Syngo.via RT Image Suite (2020), 5 descendants of its own
- K211379: syngo.via RT Image Suite (2021), 4 descendants of its own
- K220783: syngo.via RT Image Suite (2022), 3 descendants of its own

## Indications for use
VSim is a software solution to prepare anatomical data (CT) for the planning of external beam radiation therapy treatment. VSim provides features to define anatomical regions, reference points and geometric treatment plans prior to dosimetric planning with a treatment planning system.

Source page: https://510kreport.com/device/K151887
Methodology: https://510kreport.com/methodology