510(k) Report

510(k) · Cleared

Cleared

PathLoc-SI Joint Fusion System

K153656510(k) TraditionalCleared Nov 14, 2016329-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

L&K BIOMED Co., Ltd. · OUR Sacroiliac Joint Fixation

Cleared on Nov 14, 2016 as substantially equivalent to K112240 (U&I Corp., 2012) and 3 other predicates after a 329-day review. Its family tree reaches back 7 generations to 1990. 13 later devices descend from it.

Decided
Nov 14, 2016
Review
329 days
Class
Class II
Product code
OUR
Recalls
None
Predicates
4

Its longest line of descent runs back 7 generations to K903810 (1990). 18 ancestors in all. 13 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 1 other ancestor2012: 1 other ancestor2002: 2 other ancestors2009: 1 other ancestor1996: 4 other ancestors1995: 1 other ancestor2000: 1 other ancestor2023: 6 descendants cleared2018: 1 descendant cleared2021: 2 descendants cleared2024: 1 descendant cleared2022: 1 descendant cleared2026: 2 descendants 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. · 2011K141246 · Life Spine Sacroiliac Joint Fixation System · Life Spine, Inc. · 20151990200020102020
  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 backK141246 Life Spine Sacroiliac Joint Fixation SystemLife Spine, Inc. · 2015
  8. This deviceK153656 PathLoc-SI Joint Fusion SystemL&K BIOMED Co., Ltd. · 2016
  9. Descendant · cites it directly · 11 of its ownK181600 PathLoc-SI Joint Fusion SystemL&K BIOMED Co., Ltd. · 2018
  10. Descendant · 2 generations on · 10 of its ownK210035 ZESPIN SI Joint Fusion System, MegaCerfix Posterior Cervical…Aegis Spine · 2021
  11. Descendant · 3 generations on · 6 of its ownK221050 ZESPIN SI Joint Fusion System, Paeon Posterior Cervical Fixation…Aegis Spine, Inc. · 2022
  12. Descendant · 3 generations on · 3 of its ownK223719 Paeon Anterior Cervical Plate System, Elatus Lumbar Plate SystemAegis Spine, Inc. · 2023
  13. Descendant · 3 generations on · 2 of its ownK231839 CastleLoc-P Anterior Cervical Plate System, AccelFix Lumbar Plate…L&K BIOMED Co., Ltd. · 2023

Showing 5 of 13 descendants. See all descendants

Descendants cleared per year

2018: 12021: 22022: 12023: 62024: 12026: 2
2018high 6 (2023) · low 0 (2019)2026

Most influential descendants

Showing 5 of 13 · See all
  • K181600PathLoc-SI Joint Fusion SystemL&K BIOMED Co., Ltd. · 2018 · cites it directly11descendants
  • K210035ZESPIN SI Joint Fusion System, MegaCerfix Posterior Cervical Fixation System, MegaCerfix…Aegis Spine · 2021 · 2 generations on10descendants
  • K221050ZESPIN SI Joint Fusion System, Paeon Posterior Cervical Fixation System, Paeon Anterior…Aegis Spine, Inc. · 2022 · 3 generations on6descendants
  • K223719Paeon Anterior Cervical Plate System, Elatus Lumbar Plate SystemAegis Spine, Inc. · 2023 · 3 generations on3descendants
  • K231839CastleLoc-P Anterior Cervical Plate System, AccelFix Lumbar Plate SystemL&K BIOMED Co., Ltd. · 2023 · 3 generations on2descendants
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—
−1K141246Life Spine Sacroiliac Joint Fixation SystemLife Spine, Inc.2015—
0 (this device)K153656PathLoc-SI Joint Fusion SystemL&K BIOMED Co., Ltd.2016—
+1K181600PathLoc-SI Joint Fusion SystemL&K BIOMED Co., Ltd.2018—
+2K210035ZESPIN SI Joint Fusion System, MegaCerfix Posterior Cervical Fixation System…Aegis Spine2021—
+3K221050ZESPIN SI Joint Fusion System, Paeon Posterior Cervical Fixation System, Paeon…Aegis Spine, Inc.2022—
+3K223719Paeon Anterior Cervical Plate System, Elatus Lumbar Plate SystemAegis Spine, Inc.2023—
+3K231839CastleLoc-P Anterior Cervical Plate System, AccelFix Lumbar Plate SystemL&K BIOMED Co., Ltd.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199640
200010
200220
200910
201210
201310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202120
202210
202360
202410
202620
FIG. 1 — Lineage of K153656, 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? (4)

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
*K112240Dyna Locking Cannulated Screw
Summary page 4
…to register our new product PathLoc-Si Joint Fusion System 4. Predicate or legally marketed devices which are substantially equivalent  Predicate: K112240 Dyna Locking Cannulated Screw  Additional Predicate: K021932 Synthes 6.5mm Cannulated Screw  Additional Pre…
U&I Corp.2012—
*K021932Synthes 6.5 MM Cannulated Screw
Summary page 4
…Predicate or legally marketed devices which are substantially equivalent  Predicate: K112240 Dyna Locking Cannulated Screw  Additional Predicate: K021932 Synthes 6.5mm Cannulated Screw  Additional Predicate: K123702 SILEX SACROILIAC JOINT FUSION SYSTEM…
Synthes (Usa)20027
*K123702Silex Sacroiliac Joint Fusion System
Summary page 4
…t  Predicate: K112240 Dyna Locking Cannulated Screw  Additional Predicate: K021932 Synthes 6.5mm Cannulated Screw  Additional Predicate: K123702 SILEX SACROILIAC JOINT FUSION SYSTEM  Additional Predicate: K141246 LIFE SPINE SACROILIAC JOINT…
X-Spine Systems, Inc.2013—
*K141246Life Spine Sacroiliac Joint Fixation System
Summary page 4
…ate: K021932 Synthes 6.5mm Cannulated Screw  Additional Predicate: K123702 SILEX SACROILIAC JOINT FUSION SYSTEM  Additional Predicate: K141246 LIFE SPINE SACROILIAC JOINT FIXATION SYSTEM 5. Description of the Device PathLoc-SI Joint Fusion System…
Life Spine, Inc.2015—

What descends from it? (13)

See all 13

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K181600PathLoc-SI Joint Fusion SystemL&K BIOMED Co., Ltd.201811
K231841PathLoc SI Joint Fusion SystemL&K BIOMED Co., Ltd.20231
K203373Advanced Research Medical Trident SI Screw SystemAdvanced Research Medical, LLC20210

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 26 years and passes through 6 companies; a new generation was cleared every 1.7 years on median.
  • 2 of the 18 ancestors have a recall of any class.
  • Of its descendants, K181600 (L&K BIOMED Co., Ltd., 2018) has gone furthest, with 11 descendants of its own.

How does its category compare?

All OUR devices

OUR Sacroiliac Joint Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, 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 PathLoc-SI Joint Fusion System is intended for sacroiliac joint fusion for conditions including sacroiliac joint disruptions and degenerative sacroililtis.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K153656: PathLoc-SI 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/K153656

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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