# K161807: Beamscan

- Pathway: 510(k) (Traditional)
- Applicant: Ptw-Freiburg Physikalisch Technische-Werksraetten
- Decided: May 19, 2017 after 322 days
- Product code: IYE (Accelerator, Linear, Medical)
- 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: 1 generation back to K954165 (1995). 1 ancestor in all.
2 later devices descend from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K954165: PTW-MP3 & PTW-MP3S Automatic Water Phantom, Ptw-New York Corp. (1995) Summary page 4.

## Most influential descendants
- K191646: Beamscan MR (2020), 1 descendant of its own
- K200907: Thales 3D Mr Scanner (2020), 0 descendants of its own

## Indications for use
The BEAMSCAN system is intended to collect beam data in water under the aspect of machine QA for the following purposes: - acceptance testing and/or commissioning of a radiation therapy system. - measurements after repair or replacement of major treatment unit components. - beam data analysis according to international therapy dosimetry protocols. - acquisition, formatting and transfer of basic data to treatment planning systems. - periodic QA procedures, e.g. constancy checks.

Source page: https://510kreport.com/device/K161807
Methodology: https://510kreport.com/methodology