# K062817: PTW David Imrt QC Verification System

- Pathway: 510(k) (Traditional)
- Applicant: Ptw-New York Corp.
- Decided: Nov 22, 2006 after 63 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: 2 generations back to K874893 (1988). 4 ancestors in all.
33 later devices descend from it; 3 cite it directly.
0 of 38 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K972211: Multidos, QC6PLUS, Ptw-New York Corp. (1997) Summary page 1.

## Most influential descendants
- K072374: Compass (2007), 31 descendants of its own
- K140660: MOBIUS3D (2014), 23 descendants of its own
- K153014: Mobius3D (2016), 13 descendants of its own
- K191761: Mobius3D (2019), 5 descendants of its own
- K141800: Perfraction (2014), 5 descendants of its own

## Indications for use
The PTW DAVID is a transparent multiple wire or multiple segment ionization chamber with attached electronics. It is intended to be used as an IMRT QC check device to make verification measurements and provide documentation of the leaf positions and doses from medical accelerators used for IMRT radiotherapy sequences. Data acquired by the PTW DAVID is used to compare and to verify a treatment dose to a prescribed dose and to compile radiation beam data, consistency, over time as part of a quality assurance program.

Source page: https://510kreport.com/device/K062817
Methodology: https://510kreport.com/methodology