510(k) · Cleared
ClearedMOD1 Compensators for Radiation Beam Therapy
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Symtium Corporation · IXI Block, Beam-Shaping, Radiation Therapy
Cleared on Nov 21, 2006 as substantially equivalent to K040804 (Southeastern Radiation Products, Inc., 2004) after a 64-day review. Its family tree reaches back 3 generations to 2000. 1 later device descends from it.
- Decided
- Nov 21, 2006
- Review
- 64 days
- Class
- Class II
- Product code
- IXI
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 3 generations to K000137 (2000). 7 ancestors in all, the oldest K880047 (1988). 1 later device descends from it, 1 citing it directly.
- Root · 3 generations backK000137 Enhanced Compensating FilterComputerized Medical Systems, Inc. · 2000
- 2 generations backK021987 Parcomplast Compensating Filter for Radiation TherapyS&S Par Scientific · 2002
- 1 generation backK040804 .Decimal Tissue Compensator/Intensity ModulatorSoutheastern Radiation Products, Inc. · 2004
- This deviceK062781 MOD1 Compensators for Radiation Beam TherapySymtium Corporation · 2006
- Descendant · cites it directly · 0 of its ownK091403 MOD1T Compensators for Radiation Beam TherapyOncology Tech, LLC · 2009
Most influential descendants
Showing 1 of 1 · See all- K091403MOD1T Compensators for Radiation Beam TherapyOncology Tech, LLC · 2009 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K000137 | Enhanced Compensating Filter | Computerized Medical Systems, Inc. | 2000 | — |
| −2 | K021987 | Parcomplast Compensating Filter for Radiation Therapy | S&S Par Scientific | 2002 | — |
| −1 | K040804 | .Decimal Tissue Compensator/Intensity Modulator | Southeastern Radiation Products, Inc. | 2004 | — |
| 0 (this device) | K062781 | MOD1 Compensators for Radiation Beam Therapy | Symtium Corporation | 2006 | — |
| +1 | K091403 | MOD1T Compensators for Radiation Beam Therapy | Oncology Tech, LLC | 2009 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 2001 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in IXI? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new IXI device
- #1 K253025 Ricoh 3D for Healthcare Bolusscore 12.9 · 7 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K040804 | .Decimal Tissue Compensator/Intensity ModulatorSummary page 1…Compensator Classification Name: block, beam shaping, radiation therapy Predicate Device: The predicate device is Southeastern Radiation Products, Inc. K040804, ".Decimal Tissue Compensator/intensity Modulator". Device Description: The Symtium Corporation Mod] Co… | 2004 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K091403 | MOD1T Compensators for Radiation Beam Therapy | 2009 | 0 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 6 years and passes through 4 companies; a new generation was cleared every 2.6 years on median.
- 1 of the 7 ancestors has a recall of any class.
- Of its descendants, K091403 (Oncology Tech, LLC, 2009) has gone furthest, with 0 descendants of its own.
- 3 other devices also cite its predicate K040804.
How does its category compare?
All IXI devicesIXI Block, Beam-Shaping, Radiation Therapy: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IXI
2in 2022
2026 to Oct 25, outlined.
Median 510(k) review, days · IXI
90in 2013
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IXI
2in 2013
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IXI
1in 2016
MAUDE reports naming product code IXI, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 0 | 0 |
| 2008 | 0 | — | 1 | 0 |
| 2009 | 3 | 78 | 0 | 0 |
| 2010 | 0 | — | 0 | 1 |
| 2011 | 2 | — | 1 | 28 |
| 2012 | 1 | — | 1 | 3 |
| 2013 | 3 | 90 | 2 | 2 |
| 2014 | 0 | — | 0 | 1 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 1 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 2 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The Symtium Corporation precision milled brass compensators are used for modulation of beam intensity during radiation therapy.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K062781 · printed Nov 6, 2026
Cite this page
510(k) Report. “K062781: MOD1 Compensators for Radiation Beam Therapy.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K062781
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026