510(k) Report

510(k) · Cleared

Cleared

SICAGE™ System

K170475510(k) TraditionalCleared May 5, 201778-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

Sicage, LLC · OUR Sacroiliac Joint Fixation

Cleared on May 5, 2017 as substantially equivalent to K021932 (Synthes (Usa), 2002) and 1 other predicate after a 78-day review. Its family tree reaches back 4 generations to 1990.

Decided
May 5, 2017
Review
78 days
Class
Class II
Product code
OUR
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K903810 (1990). 8 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK903810 Ace Cannulated Self Tapping Cancellous Bone ScrewAce Medical Co. · 1990
  2. 3 generations backK051296 Sijf Cannulated Screw SystemDepuy Spine, Inc. · 2005
  3. 2 generations backK102907 Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc. · 2010
  4. 1 generation backK123702 Silex Sacroiliac Joint Fusion SystemX-Spine Systems, Inc. · 2013
  5. This deviceK170475 SICAGE™ SystemSicage, LLC · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K903810Ace Cannulated Self Tapping Cancellous Bone ScrewAce Medical Co.1990—
−3K051296Sijf Cannulated Screw SystemDepuy Spine, Inc.2005—
−2K102907Simmetry Sacroiliac Joint Fusion SystemZyga Technology, Inc.2010—
−1K123702Silex Sacroiliac Joint Fusion SystemX-Spine Systems, Inc.2013—
0 (this device)K170475SICAGE™ SystemSicage, LLC2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200220
200910
FIG. 1 — Lineage of K170475, 1990–2017Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K021932Synthes 6.5 MM Cannulated Screw
Summary page 5
…crews are manufactured from titanium alloy (Ti-6Al-4V ELI per ASTM F136). Primary Predicate: Synthes 6.5mm Cannulated Screw (Synthes (USA) – K021932) Additional Predicate: Silex Sacroiliac Joint Fusion System (X-Spine Systems – K123702) Performance Data: Mechanical test…
Synthes (Usa)20027
*K123702Silex Sacroiliac Joint Fusion System
Summary page 5
…M F136). Primary Predicate: Synthes 6.5mm Cannulated Screw (Synthes (USA) – K021932) Additional Predicate: Silex Sacroiliac Joint Fusion System (X-Spine Systems – K123702) Performance Data: Mechanical testing of worst case SICAGE System screws included torsion and pullo…
X-Spine Systems, Inc.2013—

Also cleared against K021932: 61 other devices →

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 27 years and passes through 5 companies; a new generation was cleared every 5.3 years on median.
  • 2 of the 8 ancestors have a recall of any class.
  • 61 other devices also cite its predicate K021932.

How does its category compare?

All OUR devices

OUR Sacroiliac Joint Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, 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?

SICAGE 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. “K170475: SICAGE™ System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170475

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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