510(k) · Cleared
ClearedSequencer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Impac Medical Systems, Inc. · IYE Accelerator, Linear, Medical
Cleared on Dec 19, 1991 after a 127-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 21 later devices descend from it.
- Decided
- Dec 19, 1991
- Review
- 127 days
- Class
- Class II
- Product code
- IYE
- Recalls
- None
- Predicates
- 0
21 later devices descend from it, 1 citing it directly.
- This deviceK913612 SequencerImpac Medical Systems, Inc. · 1991
- Descendant · cites it directly · 20 of its ownK972275 Lantis TreatstationSiemens Medical Solutions USA, Inc. · 1997 · Recalled
- Descendant · 2 generations on · 16 of its ownK031764 Oncor Avant-Garde with Coherence WorkspacesSiemens Medical Solutions USA, Inc. · 2003 · Recalled
- Descendant · 3 generations on · 13 of its ownK060226 Oncor ExpressionSiemens Medical Solutions USA, Inc. · 2006 · Recalled
- Descendant · 4 generations on · 11 of its ownK072485 Artiste MV SASiemens Medical Solutions USA, Inc. · 2007 · Recalled
- Descendant · 4 generations on · 9 of its ownK082775 Prescision OptionSiemens Medical Solutions USA, Inc. · 2009
Showing 5 of 21 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 21 · See all- K972275Lantis TreatstationSiemens Medical Solutions USA, Inc. · 1997 · cites it directly20descendants
- K031764Oncor Avant-Garde with Coherence WorkspacesSiemens Medical Solutions USA, Inc. · 2003 · 2 generations on16descendants
- K060226Oncor ExpressionSiemens Medical Solutions USA, Inc. · 2006 · 3 generations on13descendants
- K072485Artiste MV SASiemens Medical Solutions USA, Inc. · 2007 · 4 generations on11descendants
- K082775Prescision OptionSiemens Medical Solutions USA, Inc. · 2009 · 4 generations on9descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K913612 | Sequencer | Impac Medical Systems, Inc. | 1991 | — |
| +1 | K972275 | Lantis Treatstation | Siemens Medical Solutions USA, Inc. | 1997 | 5 |
| +2 | K031764 | Oncor Avant-Garde with Coherence Workspaces | Siemens Medical Solutions USA, Inc. | 2003 | 17 |
| +3 | K060226 | Oncor Expression | Siemens Medical Solutions USA, Inc. | 2006 | 72 |
| +4 | K072485 | Artiste MV SA | Siemens Medical Solutions USA, Inc. | 2007 | 24 |
| +4 | K082775 | Prescision Option | Siemens Medical Solutions USA, Inc. | 2009 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
| 2003 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2009 | 4 | 0 |
| 2010 | 3 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2018 | 1 | 0 |
| 2021 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in IYE? 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 IYE device
- #1 K252977 Halcyon, Ethos Radiotherapy System (5.0)score 18.8 · 18 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
What descends from it? (21)
See all 211 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K972275 | Lantis Treatstation | 1997 | 20 |
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?
- Of its descendants, K972275 (Siemens Medical Solutions USA, Inc., 1997) has gone furthest, with 20 descendants of its own.
How does its category compare?
All IYE devicesIYE Accelerator, Linear, Medical: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IYE
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IYE
170in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IYE
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IYE
101in 2025
MAUDE reports naming product code IYE, 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 | 23 | 44 | 78 | 155 |
| 2008 | 14 | 69 | 49 | 114 |
| 2009 | 20 | 63 | 22 | 174 |
| 2010 | 23 | 74 | 27 | 246 |
| 2011 | 11 | 94 | 73 | 280 |
| 2012 | 28 | 106 | 20 | 128 |
| 2013 | 18 | 88 | 11 | 96 |
| 2014 | 20 | 100 | 14 | 124 |
| 2015 | 20 | 108 | 8 | 100 |
| 2016 | 21 | 97 | 7 | 97 |
| 2017 | 23 | 94 | 7 | 125 |
| 2018 | 21 | 58 | 7 | 85 |
| 2019 | 19 | 83 | 2 | 91 |
| 2020 | 20 | 67 | 4 | 74 |
| 2021 | 19 | 86 | 5 | 68 |
| 2022 | 12 | 172 | 3 | 66 |
| 2023 | 18 | 129 | 7 | 128 |
| 2024 | 9 | 239 | 1 | 81 |
| 2025 | 12 | 170 | 1 | 101 |
| 2026 | 14 | 120 | 4 | — |
https://510kreport.com/device/K913612 · printed Nov 4, 2026
Cite this page
510(k) Report. “K913612: Sequencer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K913612
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026