510(k) · Cleared
ClearedReliance Buttress Washer System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Reliance Medical Systems, LLC · KWQ Appliance, Fixation, Spinal Intervertebral Body
Cleared on Feb 13, 2008 as substantially equivalent to K970048 (Synthes (Usa), 1997) and 5 other predicates after a 76-day review. Its family tree reaches back 3 generations to 1993. 1 later device descends from it.
- Decided
- Feb 13, 2008
- Review
- 76 days
- Class
- Class II
- Product code
- KWQ
- Recalls
- None
- Predicates
- 6
Its longest line of descent runs back 3 generations to K926453 (1993). 10 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 3 generations backK926453 Synthes (U.S.a.) Anterior Cervical Vertebrae PlateSynthes (Usa) · 1993
- 2 generations backK970048 Synthes (Usa)Titanium Locking Plate System (Tilps)Synthes (Usa) · 1997
- 1 generation backK040130 Anterior Lumbar Buttress SystemSeaspine · 2004
- This deviceK073349 Reliance Buttress Washer SystemReliance Medical Systems, LLC · 2008
- Descendant · cites it directly · 0 of its ownK213219 Vy Spine™ VyWasher™ Buttress SystemVy Spine, LLC · 2021
Most influential descendants
Showing 1 of 1 · See all- K213219Vy Spine™ VyWasher™ Buttress SystemVy Spine, LLC · 2021 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K926453 | Synthes (U.S.a.) Anterior Cervical Vertebrae Plate | Synthes (Usa) | 1993 | — |
| −2 | K970048 | Synthes (Usa)Titanium Locking Plate System (Tilps) | Synthes (Usa) | 1997 | — |
| −1 | K040130 | Anterior Lumbar Buttress System | Seaspine | 2004 | — |
| 0 (this device) | K073349 | Reliance Buttress Washer System | Reliance Medical Systems, LLC | 2008 | — |
| +1 | K213219 | Vy Spine™ VyWasher™ Buttress System | Vy Spine, LLC | 2021 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2004 | 1 | 0 |
| 2006 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 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? (6)
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 |
|---|---|---|---|
| * | K970048 | Synthes (Usa)Titanium Locking Plate System (Tilps)Summary page 1…KWQ Substantial Equivalence The Reliance Buttress Washer is substantially equivalent to the legally marketed Synthes Titanium Locking Plate System (K970048), the Medtronic Sofamor Danek Bone Graft Washer (K994122, K041217), the DePuy BowTi Anterior Buttress Staple System (K021039), th… | 1997 |
| * | K994122 | Bone Graft Washer, Model 9090114 - 9090118Summary page 1…iance Buttress Washer is substantially equivalent to the legally marketed Synthes Titanium Locking Plate System (K970048), the Medtronic Sofamor Danek Bone Graft Washer (K994122, K041217), the DePuy BowTi Anterior Buttress Staple System (K021039), the SeaSpine Anterior Lumbar Buttress System (K040130), and… | 2000 |
| * | K041217 | Modification to Bone Graft WasherSummary page 1…tress Washer is substantially equivalent to the legally marketed Synthes Titanium Locking Plate System (K970048), the Medtronic Sofamor Danek Bone Graft Washer (K994122, K041217), the DePuy BowTi Anterior Buttress Staple System (K021039), the SeaSpine Anterior Lumbar Buttress System (K040130), and the Alti… | 2004 |
| * | K021039 | Bowti Anterior Buttress Staple SystemSummary page 1…keted Synthes Titanium Locking Plate System (K970048), the Medtronic Sofamor Danek Bone Graft Washer (K994122, K041217), the DePuy BowTi Anterior Buttress Staple System (K021039), the SeaSpine Anterior Lumbar Buttress System (K040130), and the Altiva ALTESTmAnterior Buttress Plating System (K061482). The R… | 2002 |
| * | K040130 | Anterior Lumbar Buttress SystemSummary page 1…he Medtronic Sofamor Danek Bone Graft Washer (K994122, K041217), the DePuy BowTi Anterior Buttress Staple System (K021039), the SeaSpine Anterior Lumbar Buttress System (K040130), and the Altiva ALTESTmAnterior Buttress Plating System (K061482). The Reliance Buttress Washer is equivalent to these commercia… | 2004 |
| * | K061482 | Altes Buttress Plating SystemSummary page 1…he DePuy BowTi Anterior Buttress Staple System (K021039), the SeaSpine Anterior Lumbar Buttress System (K040130), and the Altiva ALTESTmAnterior Buttress Plating System (K061482). The Reliance Buttress Washer is equivalent to these commercially available devices in terms of material, intended use, levels o… | 2006 |
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 |
|---|---|---|---|
| K213219 | Vy Spine™ VyWasher™ Buttress System | 2021 | 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 15 years and passes through 3 companies; a new generation was cleared every 3.9 years on median.
- None of the 10 ancestors has a recall.
- Of its descendants, K213219 (Vy Spine, LLC, 2021) has gone furthest, with 0 descendants of its own.
- 6 other devices also cite its predicate K970048.
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. 2008, this device’s year, is highlighted.
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?
The Reliance Buttress Washer System is intended to stabilize the bone graft at one level (TI-S 1) as an aid to spinal fusion and to provide temporary stabilization and augment development of a solid spinal fusion. It may be used alone or with other anterior, anterolateral, or posterior spinal systems made of compatible materials. This device is not intended for load bearing applications.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K073349 · printed Nov 6, 2026
Cite this page
510(k) Report. “K073349: Reliance Buttress Washer System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K073349
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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