510(k) · Cleared
ClearedModification to Bone Graft Washer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Medtronic Sofamor Danek, Inc. · KWQ Appliance, Fixation, Spinal Intervertebral Body
Cleared on May 28, 2004 after an 18-day review. The FDA summary names no predicate by number. 2 later devices descend from it.
- Decided
- May 28, 2004
- Review
- 18 days
- Class
- Class II
- Product code
- KWQ
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 1 citing it directly.
- This deviceK041217 Modification to Bone Graft WasherMedtronic Sofamor Danek, Inc. · 2004
- Descendant · cites it directly · 1 of its ownK073349 Reliance Buttress Washer SystemReliance Medical Systems, LLC · 2008
- Descendant · 2 generations on · 0 of its ownK213219 Vy Spine™ VyWasher™ Buttress SystemVy Spine, LLC · 2021
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K041217 | Modification to Bone Graft Washer | Medtronic Sofamor Danek, Inc. | 2004 | — |
| +1 | K073349 | Reliance Buttress Washer System | Reliance Medical Systems, LLC | 2008 | — |
| +2 | K213219 | Vy Spine™ VyWasher™ Buttress System | Vy Spine, LLC | 2021 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2008 | 1 | 0 |
| 2021 | 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 KWQ? 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 KWQ device
- #1 K233640 Segmental Plating System (SPS);IdentiTi SPS…score 21.9 · 31 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
The FDA summary names no predicate by number.
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K073349 | Reliance Buttress Washer System | 2008 | 1 |
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, K073349 (Reliance Medical Systems, LLC, 2008) has gone furthest, with 1 descendant of its own.
How does its category compare?
All KWQ devicesKWQ Appliance, Fixation, Spinal Intervertebral Body: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KWQ
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KWQ
64in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWQ
1in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWQ
248in 2025
MAUDE reports naming product code KWQ, 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 | 27 | 101 | 2 | 288 |
| 2008 | 32 | 70 | 33 | 348 |
| 2009 | 23 | 90 | 35 | 355 |
| 2010 | 23 | 104 | 2 | 691 |
| 2011 | 22 | 95 | 5 | 415 |
| 2012 | 26 | 90 | 7 | 544 |
| 2013 | 22 | 88 | 6 | 796 |
| 2014 | 17 | 124 | 0 | 546 |
| 2015 | 25 | 102 | 2 | 562 |
| 2016 | 15 | 121 | 9 | 502 |
| 2017 | 20 | 67 | 8 | 492 |
| 2018 | 22 | 95 | 1 | 341 |
| 2019 | 26 | 81 | 0 | 298 |
| 2020 | 26 | 55 | 0 | 400 |
| 2021 | 17 | 59 | 0 | 591 |
| 2022 | 18 | 85 | 0 | 392 |
| 2023 | 16 | 59 | 0 | 320 |
| 2024 | 17 | 64 | 0 | 419 |
| 2025 | 7 | 64 | 0 | 248 |
| 2026 | 10 | 76 | 0 | — |
What is it indicated for?
Each BONE GRAFT WASHER is intended to stabilize the bone graft at one level (TI-SI) as an aid to spinal fusion. It may be used alone or with other anterior, anterolateral, or posterior spinal systems made of compatible materials (e.g., commercially pure titanium or titanium alloy).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K041217 · printed Nov 6, 2026
Cite this page
510(k) Report. “K041217: Modification to Bone Graft Washer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K041217
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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