# K042229: Somatom Radiation Treatment Planning (RTP) Package

- Pathway: 510(k) (Traditional)
- Applicant: Siemens Medical Solution, Inc. USA
- Decided: Sep 1, 2004 after 15 days
- Product code: JAK (System, X-Ray, Tomography, Computed)
- Device class: 2
- Regulation: 21 CFR 892.1750
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K023687 (2002). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K023687: Somatom Emotion 6 CT Systems, Siemens Medical Systems, Inc. (2002) Summary page 2.

## Indications for use
The use of standard CT scanners in Radiation Treatment Planning environments requires a higher geometric accuracy of anatomical data. For the Siemens SOMATOM Emotion CT systems, a dedicated RTP package (including both hardware and software components) will be offered and provides the following features: * improved gantry tilt accuracy * reduced table top deflection * externally adjustable gantry laserlights * increased tube positioning accuracy * simplified horizontal positioning of the table * optimized field coverage using extended Field of View Radiation Treatment Planning (RTP) Package will be used to prepare geometric and anatomical data, which may assist the physician with proposed external beam radiotherapy treatment planning.

Source page: https://510kreport.com/device/K042229
Methodology: https://510kreport.com/methodology