510(k) Report

510(k) · Cleared

Cleared

Silex Sacroiliac Joint Fusion System

K140079510(k) TraditionalCleared Mar 25, 201471-day reviewClass II21 CFR 888.3040

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

X-Spine Systems, Inc. · OUR Sacroiliac Joint Fixation

Cleared on Mar 25, 2014 as substantially equivalent to K123702 (X-Spine Systems, Inc., 2013) and 4 other predicates after a 71-day review. Its family tree reaches back 7 generations to 1990. 12 later devices descend from it.

Decided
Mar 25, 2014
Review
71 days
Class
Class II
Product code
OUR
Recalls
None
Predicates
5

Its longest line of descent runs back 7 generations to K903810 (1990). 26 ancestors in all. 12 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 4 other ancestors2012: 1 other ancestor2011: 1 other ancestor2010: 1 other ancestor2009: 1 other ancestor2008: 1 other ancestor2002: 2 other ancestors1996: 1 other ancestor1991: 1 other ancestor2005: 1 other ancestor2001: 2 other ancestors2000: 1 other ancestor1995: 1 other ancestor1993: 1 other ancestor2016: 1 descendant cleared2023: 5 descendants cleared2022: 1 descendant cleared2021: 1 descendant cleared2026: 1 descendant cleared2024: 2 descendants cleared2025: 1 descendant clearedK903810 · Ace Cannulated Self Tapping Cancellous Bone Screw · Ace Medical Co. · 1990K051296 · Sijf Cannulated Screw System · Depuy Spine, Inc. · 2005×3: 3 generations cleared close together, K102907 (2010), K110512 (2011), K111801 (2011) K112028 · SI-Lok Sacroiliac Joint Fixation System · Globus Medical, Inc. · 2011K110472 · SI-Fix Sacroiliac Joint Fusion System · Medtronic Sofamor Danek · 20121990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors2 generations back: 9 other ancestors3 generations back: 4 other ancestors4 generations back: 3 other ancestors 1 generation forward: 1 descendant2 generations forward: 5 descendants3 generations forward: 4 descendants4 generations forward: 2 descendants K110472 · SI-Fix Sacroiliac Joint Fusion System · Medtronic Sofamor Danek · 2012K112028 · SI-Lok Sacroiliac Joint Fixation System · Globus Medical, Inc. · 2011K111801 · Simmetry (TM) Sacroiliac Joint Fusion System · Zyga Technology, Inc. · 2011K110512 · Simmetry Sacroiliac Joint Fusion System · Zyga Technology, Inc. · 2011K102907 · Simmetry Sacroiliac Joint Fusion System · Zyga Technology, Inc. · 2010K051296 · Sijf Cannulated Screw System · Depuy Spine, Inc. · 2005K903810 · Ace Cannulated Self Tapping Cancellous Bone Screw · Ace Medical Co. · 1990−50
  1. Root · 7 generations backK903810 Ace Cannulated Self Tapping Cancellous Bone ScrewAce Medical Co. · 1990
  2. 6 generations backK051296 Sijf Cannulated Screw SystemDepuy Spine, Inc. · 2005
  3. 5 generations backK102907 Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2010
  4. 4 generations backK110512 Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2011
  5. 3 generations backK111801 Simmetry (TM) Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2011
  6. 2 generations backK112028 SI-Lok Sacroiliac Joint Fixation SystemGlobus Medical, Inc. · 2011
  7. 1 generation backK110472 SI-Fix Sacroiliac Joint Fusion SystemMedtronic Sofamor Danek · 2012
  8. This deviceK140079 Silex Sacroiliac Joint Fusion SystemX-Spine Systems, Inc. · 2014
  9. Descendant · cites it directly · 11 of its ownK152237 The Entasis Dual-Lead Sacroiliac ImplantCorelink, LLC · 2016
  10. Descendant · 2 generations on · 3 of its ownK223708 Entasis 3D Dual-Lead Sacroiliac Implant SystemCorelink, LLC · 2023
  11. Descendant · 2 generations on · 2 of its ownK223521 ZESPIN SI Joint Fusion SystemAegis Spine, Inc. · 2023
  12. Descendant · 3 generations on · 1 of its ownK240505 Eminent Spine SI Screw SystemEminent Spine, LLC · 2024
  13. Descendant · 3 generations on · 1 of its ownK231841 PathLoc SI Joint Fusion SystemL&K BIOMED Co., Ltd. · 2023

Showing 5 of 12 descendants. See all descendants

Descendants cleared per year

2016: 12021: 12022: 12023: 52024: 22025: 12026: 1
2016high 5 (2023) · low 0 (2017)2026

Most influential descendants

Showing 5 of 12 · See all
  • K152237The Entasis Dual-Lead Sacroiliac ImplantCorelink, LLC · 2016 · cites it directly11descendants
  • K223708Entasis 3D Dual-Lead Sacroiliac Implant SystemCorelink, LLC · 2023 · 2 generations on3descendants
  • K223521ZESPIN SI Joint Fusion SystemAegis Spine, Inc. · 2023 · 2 generations on2descendants
  • K240505Eminent Spine SI Screw SystemEminent Spine, LLC · 2024 · 3 generations on1descendant
  • K231841PathLoc SI Joint Fusion SystemL&K BIOMED Co., Ltd. · 2023 · 3 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K903810Ace Cannulated Self Tapping Cancellous Bone ScrewAce Medical Co.1990—
−6K051296Sijf Cannulated Screw SystemDepuy Spine, Inc.2005—
−5K102907Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc.2010—
−4K110512Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc.2011—
−3K111801Simmetry (TM) Sacroiliac Joint Fusion SystemZyga Technology, Inc.2011—
−2K112028SI-Lok Sacroiliac Joint Fixation SystemGlobus Medical, Inc.2011—
−1K110472SI-Fix Sacroiliac Joint Fusion SystemMedtronic Sofamor Danek2012—
0 (this device)K140079Silex Sacroiliac Joint Fusion SystemX-Spine Systems, Inc.2014—
+1K152237The Entasis Dual-Lead Sacroiliac ImplantCorelink, LLC2016—
+2K223708Entasis 3D Dual-Lead Sacroiliac Implant SystemCorelink, LLC2023—
+2K223521ZESPIN SI Joint Fusion SystemAegis Spine, Inc.2023—
+3K240505Eminent Spine SI Screw SystemEminent Spine, LLC2024—
+3K231841PathLoc SI Joint Fusion SystemL&K BIOMED Co., Ltd.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199310
199510
199610
200010
200120
200220
200510
200810
200910
201010
201110
201210
201340

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
202110
202210
202350
202420
202510
202610
FIG. 1 — Lineage of K140079, 1990–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K233508 iFuse Bedrock Granite® Implant Systemscore 30.7 · 31 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (5)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K123702Silex Sacroiliac Joint Fusion System
Summary page 2
…The purpose of this submission isto modify the Indications for Use (IFU). PREDICATE DEVICES * X-spine Systems, Inc. - Silex Sacroiliac Joint Fusion System (1<123702) " SI-Bone, Inc. - iFuse Implant System (K<131405) * Zyga Technology, Inc. - Slmmetry Sacroiliac Joint Fusi…
X-Spine Systems, Inc.2013—
*K131405Ifuse Implant System
Summary page 2
…or Use (IFU). PREDICATE DEVICES * X-spine Systems, Inc. - Silex Sacroiliac Joint Fusion System (1<123702) " SI-Bone, Inc. - iFuse Implant System (K<131405) * Zyga Technology, Inc. - Slmmetry Sacroiliac Joint Fusion System (K<130092) * Globus Medical, Inc. - Sl-L…
SI-BONE, Inc.2013—
*K130092Simmetry Sacroiliac Joint Fusion System
Summary page 2
…int Fusion System (1<123702) " SI-Bone, Inc. - iFuse Implant System (K<131405) * Zyga Technology, Inc. - Slmmetry Sacroiliac Joint Fusion System (K<130092) * Globus Medical, Inc. - Sl-LO< Sacroiliac Joint Fixation System (K112028) * Medtronic Sofamor Danek, Inc.…
Zyga Technology, Inc.2013—
*K112028SI-Lok Sacroiliac Joint Fixation System
Summary page 2
…405) * Zyga Technology, Inc. - Slmmetry Sacroiliac Joint Fusion System (K<130092) * Globus Medical, Inc. - Sl-LO< Sacroiliac Joint Fixation System (K112028) * Medtronic Sofamor Danek, Inc. - MSB Sacroiliac Joint Fusion System (K<110472) EQUIVALENCE TO MARKETED PRODUCT X-sp…
Globus Medical, Inc.2011—
*K110472SI-Fix Sacroiliac Joint Fusion System
Summary page 2
…* Globus Medical, Inc. - Sl-LO< Sacroiliac Joint Fixation System (K112028) * Medtronic Sofamor Danek, Inc. - MSB Sacroiliac Joint Fusion System (K<110472) EQUIVALENCE TO MARKETED PRODUCT X-spine Systems, Inc. has submitted information to demonstrate that, for the purposes, of FDA's…
Medtronic Sofamor Danek2012—

Also cleared against K123702: 5 other devices →

What descends from it? (12)

See all 12

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K152237The Entasis Dual-Lead Sacroiliac ImplantCorelink, LLC201611

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 24 years and passes through 6 companies; a new generation was cleared every 6 months on median.
  • 4 of the 26 ancestors have a recall of any class.
  • Of its descendants, K152237 (Corelink, LLC, 2016) has gone furthest, with 11 descendants of its own.
  • 5 other devices also cite its predicate K123702.

How does its category compare?

All OUR devices

OUR Sacroiliac Joint Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · OUR

14in 2025

2008: 12009: 12010: 12011: 32012: 22013: 42014: 32015: 82016: 62017: 42018: 72019: 72020: 72021: 92022: 142023: 202024: 152025: 142026 (partial year): 6
2007high 20 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OUR

97in 2025

2011: 27 days median2013: 103 days median2014: 91 days median2015: 111 days median2016: 168 days median2017: 120 days median2018: 82 days median2019: 89 days median2020: 88 days median2021: 85 days median2022: 149 days median2023: 55 days median2024: 74 days median2025: 97 days median2026 (partial year): 98 days median
2007high 168 (2016) · low 27 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · OUR

1in 2025

2025: 12026 (partial year): 1
2007high 1 (2025) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · OUR

10in 2025

2011: 62012: 812013: 962014: 1462015: 1192016: 1222017: 1572018: 1372019: 1752020: 1482021: 1542022: 232023: 72024: 152025: 10
2007high 175 (2019) · low 0 (2007)2025

MAUDE reports naming product code OUR, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20081—00
20091—00
20101—00
201132706
20122—081
20134103096
20143910146
201581110119
201661680122
201741200157
20187820137
20197890175
20207880148
20219850154
202214149023
2023205507
20241574015
20251497110
20266981—

What is it indicated for?

The Silex Sacroiliac Joint Fusion 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.

Cite this page

510(k) Report. “K140079: Silex Sacroiliac Joint Fusion System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K140079

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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