510(k) · Cleared
ClearedSImmetry+ System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Sivantage · OUR Sacroiliac Joint Fixation
Cleared on Jul 29, 2025 as substantially equivalent to K151818 (Zyga Technology, Inc., 2015) and 1 other predicate after a 147-day review. Its family tree reaches back 8 generations to 1990.
- Decided
- Jul 29, 2025
- Review
- 147 days
- Class
- Class II
- Product code
- OUR
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 8 generations to K903810 (1990). 16 ancestors in all. No later device cites it as a predicate yet.
- Root · 8 generations backK903810 Ace Cannulated Self Tapping Cancellous Bone ScrewAce Medical Co. · 1990
- 7 generations backK051296 Sijf Cannulated Screw SystemDepuy Spine, Inc. · 2005
- 6 generations backK102907 Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2010
- 5 generations backK110512 Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2011
- 4 generations backK111801 Simmetry (TM) Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2011
- 3 generations backK112028 SI-Lok Sacroiliac Joint Fixation SystemGlobus Medical, Inc. · 2011
- 2 generations backK141549 SImmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2015
- 1 generation backK151818 SImmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2015
- This deviceK250647 SImmetry+ SystemSivantage · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K903810 | Ace Cannulated Self Tapping Cancellous Bone Screw | Ace Medical Co. | 1990 | — |
| −7 | K051296 | Sijf Cannulated Screw System | Depuy Spine, Inc. | 2005 | — |
| −6 | K102907 | Simmetry Sacroiliac Joint Fusion System | Zyga Technology, Inc. | 2010 | — |
| −5 | K110512 | Simmetry Sacroiliac Joint Fusion System | Zyga Technology, Inc. | 2011 | — |
| −4 | K111801 | Simmetry (TM) Sacroiliac Joint Fusion System | Zyga Technology, Inc. | 2011 | — |
| −3 | K112028 | SI-Lok Sacroiliac Joint Fixation System | Globus Medical, Inc. | 2011 | — |
| −2 | K141549 | SImmetry Sacroiliac Joint Fusion System | Zyga Technology, Inc. | 2015 | — |
| −1 | K151818 | SImmetry Sacroiliac Joint Fusion System | Zyga Technology, Inc. | 2015 | — |
| 0 (this device) | K250647 | SImmetry+ System | Sivantage | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2013 | 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 OUR? 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 OUR device
- #1 K233508 iFuse Bedrock Granite® Implant Systemscore 30.7 · 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? (2)
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 |
|---|---|---|---|
| * | K151818 | SImmetry Sacroiliac Joint Fusion SystemSummary page 5…II Product Codes: OUR Predicates: SImmetry® Sacroiliac Joint Fusion System (Zyga Technology, K151818) Synthes 6.5mm Cannulated Screw (Synthes, K021932) Indications For Use: The SImmetry+ System is in… | 2015 |
| * | K021932 | Synthes 6.5 MM Cannulated ScrewSummary page 5…SImmetry® Sacroiliac Joint Fusion System (Zyga Technology, K151818) Synthes 6.5mm Cannulated Screw (Synthes, K021932) Indications For Use: The SImmetry+ System is intended for sacroiliac joint fusion for conditions including sacroiliac joint dis… | 2002 |
What descends from it?
No later submission names this one as a predicate yet.
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 35 years and passes through 5 companies; a new generation was cleared every 3.1 years on median.
- 3 of the 16 ancestors have a recall of any class.
- 3 other devices also cite its predicate K151818.
How does its category compare?
All OUR devicesOUR Sacroiliac Joint Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · OUR
14in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · OUR
97in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · OUR
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · OUR
10in 2025
MAUDE reports naming product code OUR, 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 | 0 | — | 0 | 0 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 3 | 27 | 0 | 6 |
| 2012 | 2 | — | 0 | 81 |
| 2013 | 4 | 103 | 0 | 96 |
| 2014 | 3 | 91 | 0 | 146 |
| 2015 | 8 | 111 | 0 | 119 |
| 2016 | 6 | 168 | 0 | 122 |
| 2017 | 4 | 120 | 0 | 157 |
| 2018 | 7 | 82 | 0 | 137 |
| 2019 | 7 | 89 | 0 | 175 |
| 2020 | 7 | 88 | 0 | 148 |
| 2021 | 9 | 85 | 0 | 154 |
| 2022 | 14 | 149 | 0 | 23 |
| 2023 | 20 | 55 | 0 | 7 |
| 2024 | 15 | 74 | 0 | 15 |
| 2025 | 14 | 97 | 1 | 10 |
| 2026 | 6 | 98 | 1 | — |
What is it indicated for?
The SImmetry+ System is intended for sacroiliac joint fusion for conditions including sacroiliac joint disruptions and degenerative sacroiliitis.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K250647 · printed Nov 6, 2026
Cite this page
510(k) Report. “K250647: SImmetry+ System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K250647
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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