# K062781: MOD1 Compensators for Radiation Beam Therapy

- Pathway: 510(k) (Traditional)
- Applicant: Symtium Corporation
- Decided: Nov 21, 2006 after 64 days
- Product code: IXI (Block, Beam-Shaping, Radiation Therapy)
- Device class: 2
- Regulation: 21 CFR 892.5710
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K000137 (2000). 7 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K040804: .Decimal Tissue Compensator/Intensity Modulator, Southeastern Radiation Products, Inc. (2004) Summary page 1.

## Most influential descendants
- K091403: MOD1T Compensators for Radiation Beam Therapy (2009), 0 descendants of its own

## Indications for use
The Symtium Corporation precision milled brass compensators are used for modulation of beam intensity during radiation therapy.

Source page: https://510kreport.com/device/K062781
Methodology: https://510kreport.com/methodology