# K010472: Patient Dose Verification System, Model TN-RD-50

- Pathway: 510(k) (Traditional)
- Applicant: Thomson & Nielsen Electronics, Ltd.
- Decided: May 8, 2001 after 77 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
No predicates in its family tree.
11 later devices descend from it; 2 cite it directly.
0 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K040687: Onedose Patient Dosimetry System (2004), 10 descendants of its own
- K052118: Dose Verification System (2006), 8 descendants of its own
- K061051: Dose Verification System Patient Dosimetry System, Models DVS-I-11, DVS Insertion Tool, DVS-D-a, DVS Dosimeter (2006), 7 descendants of its own
- K071399: Dose Verification System Patient Dosimetry System, Model DVS-I-11: DVS Insertion Tool, DVS-D-a: DVS Dosimeter, DVS-R-100 (2007), 6 descendants of its own
- K080004: Dose Verification System Patient Dosimetry System (2008), 5 descendants of its own

Source page: https://510kreport.com/device/K010472
Methodology: https://510kreport.com/methodology