510(k) Report

510(k) · Cleared

Cleared

PathLoc Lumbar Interbody Fusion Cage System

K251741510(k) SpecialCleared Jul 8, 202532-day reviewClass II21 CFR 888.3080

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. · MAX Intervertebral Fusion Device With Bone Graft, Lumbar

Cleared on Jul 8, 2025 as substantially equivalent to K213441 (L&K BIOMED Co., Ltd., 2022) after a 32-day review. Its family tree reaches back 17 generations to 1984.

Decided
Jul 8, 2025
Review
32 days
Class
Class II
Product code
MAX
Recalls
None
Predicates
1

Its longest line of descent runs back 17 generations to K841189 (1984). 92 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by generation 2 generations back: 2 other ancestors3 generations back: 17 other ancestors4 generations back: 18 other ancestors5 generations back: 10 other ancestors6 generations back: 12 other ancestors7 generations back: 9 other ancestors8 generations back: 3 other ancestors9 generations back: 2 other ancestors10 generations back: 1 other ancestor11 generations back: 1 other ancestor K213441 · PathLoc Lumbar Interbody Fusion Cage System · L&K BIOMED Co., Ltd. · 2022K181380 · LnK Lumbar Interbody Fusion Cage System · L&K BIOMED Co., Ltd. · 2018K151140 · LnK Lumbar Interbody Fusion Cage System · L&K BIOMED Co., Ltd. · 2015K121096 · Venus Lumbar Intervertebral Body Fusion Cage System · L&K BIOMED Co., Ltd. · 2012K120063 · Venus Lumbar Intervertebral Body Fusion Cage System · L&K BIOMED Co., Ltd. · 2012K113528 · Clydesdale (R) Spinal System · Medtronic Sofamor Danek USA, Inc. · 2011K090353 · Perimeter Interbody Fusion Device · Medtronic Sofamor Danek · 2009K073291 · Capstone Spinal System · Medtronic Sofamor Danek USA, Inc. · 2008K072120 · Paramount Intervertebral Body Fusion Device · Innovative Spinal Technologies, Inc. · 2007K062759 · Paramount VBR System · Innovative Spinal Technologies, Inc. · 2007K042930 · Spacevision Cage System · Spine Vision, Inc. · 2004K041888 · Curved Peek Tetris Spinal Implant · Signus Medizintechnik GmbH · 2004K031757 · Peek Tetris Spinal Implant · Signus Medical, LLC · 2003K022793 · Tetris Spinal Implant · Signus Medical, LLC · 2003K003043 · Surgical Titanium Mesh System · Depuyacromed · 2001K990148 · Stackable Cage System · Depuy Motech Acromed · 1999K841189 · Oec/Rezaian Spinal Fixator · Orthopedic Equipment Co., Inc. · 1984−15−10−50
  1. Root · 17 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 13 generations between
  3. 3 generations backK151140 LnK Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2015
  4. 2 generations backK181380 LnK Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2018
  5. 1 generation backK213441 PathLoc Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2022
  6. This deviceK251741 PathLoc Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2025
Show all 17 generations
  1. Root · 17 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 16 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
  3. 15 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
  4. 14 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
  5. 13 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
  6. 12 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
  7. 11 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
  8. 10 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
  9. 9 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
  10. 8 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
  11. 7 generations backK090353 Perimeter Interbody Fusion DeviceMedtronic Sofamor Danek · 2009
  12. 6 generations backK113528 Clydesdale (R) Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2011
  13. 5 generations backK120063 Venus Lumbar Intervertebral Body Fusion Cage SystemL&K BIOMED Co., Ltd. · 2012
  14. 4 generations backK121096 Venus Lumbar Intervertebral Body Fusion Cage SystemL&K BIOMED Co., Ltd. · 2012
  15. 3 generations backK151140 LnK Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2015
  16. 2 generations backK181380 LnK Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2018
  17. 1 generation backK213441 PathLoc Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2022
  18. This deviceK251741 PathLoc Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−17K841189Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc.1984—
−16K990148Stackable Cage SystemDepuy Motech Acromed1999—
−15K003043Surgical Titanium Mesh SystemDepuyacromed2001—
−14K022793Tetris Spinal ImplantSignus Medical, LLC2003—
−13K031757Peek Tetris Spinal ImplantSignus Medical, LLC2003—
−12K041888Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH2004—
−11K042930Spacevision Cage SystemSpine Vision, Inc.2004—
−10K062759Paramount VBR SystemInnovative Spinal Technologies, Inc.2007—
−9K072120Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc.2007—
−8K073291Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc.2008—
−7K090353Perimeter Interbody Fusion DeviceMedtronic Sofamor Danek2009—
−6K113528Clydesdale (R) Spinal SystemMedtronic Sofamor Danek USA, Inc.2011—
−5K120063Venus Lumbar Intervertebral Body Fusion Cage SystemL&K BIOMED Co., Ltd.2012—
−4K121096Venus Lumbar Intervertebral Body Fusion Cage SystemL&K BIOMED Co., Ltd.2012—
−3K151140LnK Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd.2015—
−2K181380LnK Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd.2018—
−1K213441PathLoc Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd.2022—
0 (this device)K251741PathLoc Lumbar Interbody Fusion Cage SystemL&K BIOMED Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199620
199920
200010
200180
200270
2003100
2004100
200560
200610
200750
200880
200970
201040
201130
201210
FIG. 1 — Lineage of K251741, 1984–2025Source: 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 MAX? 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 MAX device

  1. #1 K203714 NuVasive Thoracolumbar Interbody Systems…score 102.5 · 24 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? (1)

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
*K213441PathLoc Lumbar Interbody Fusion Cage System
Summary page 5
…ion Cage System’ is substantially equivalent to the following predicate(s); 1) Primary Predicate Device: PathLoc Lumbar Interbody Fusion Cage System (K 213441) The subject and predicate devices are substantially equivalent in the areas of materials, design, indications f…
L&K BIOMED Co., Ltd.2022—

Also cleared against K213441: 1 other device →

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 41 years and passes through 10 companies; a new generation was cleared every 1.7 years on median.
  • 8 of the 92 ancestors have a recall of any class.
  • 1 other device also cites its predicate K213441.

How does its category compare?

All MAX devices

MAX Intervertebral Fusion Device With Bone Graft, Lumbar: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · MAX

29in 2025

2007: 72008: 352009: 312010: 292011: 492012: 482013: 582014: 582015: 532016: 642017: 762018: 642019: 602020: 562021: 532022: 412023: 302024: 382025: 292026 (partial year): 18
2007high 76 (2017) · low 7 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MAX

85in 2025

2007: 86 days median2008: 88 days median2009: 102 days median2010: 137 days median2011: 98 days median2012: 69 days median2013: 102 days median2014: 115 days median2015: 113 days median2016: 124 days median2017: 116 days median2018: 114 days median2019: 131 days median2020: 106 days median2021: 109 days median2022: 95 days median2023: 87 days median2024: 91 days median2025: 85 days median2026 (partial year): 95 days median
2007high 137 (2010) · low 69 (2012)2026

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

Recalls per year · MAX

5in 2025

2008: 22009: 92011: 32012: 11, 1 Class I2014: 32015: 12016: 62017: 12018: 42019: 12022: 12024: 12025: 5
2007high 11 (2012) · low 0 (2007)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · MAX

811in 2025

2007: 122008: 192009: 902010: 1542011: 2012012: 3272013: 3802014: 3662015: 5242016: 6472017: 5962018: 6162019: 6992020: 6402021: 6222022: 6182023: 5762024: 7292025: 811
2007high 811 (2025) · low 12 (2007)2025

MAUDE reports naming product code MAX, 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
2007786012
20083588219
200931102990
2010291370154
201149983201
2012486911 (1)327
2013581020380
2014581153366
2015531131524
2016641246647
2017761161596
2018641144616
2019601311699
2020561060640
2021531090622
202241951618
202330870576
202438911729
202529855811
202618950—

What is it indicated for?

PathLoc Lumbar Interbody Fusion Cage System is indicated for intervertebral body fusion procedures in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2-S1. DDD is defined as discogenic back pain with degeneration of the disc confirmed by patient history and radiographic studies. These DDD patients may also have up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s). This device is…

Read the full statement (117 words)

PathLoc Lumbar Interbody Fusion Cage System is indicated for intervertebral body fusion procedures in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2-S1. DDD is defined as discogenic back pain with degeneration of the disc confirmed by patient history and radiographic studies. These DDD patients may also have up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s). This device is to be used with autogenous bone graft and/or allogenous bone graft composed of cancellous and/or corticocancellous bone. PathLoc Lumbar Interbody Fusion Cage System is to be used with supplemental fixation. Patients should have at least six (6) months of non-operative treatment prior to treatment with an intervertebral cage.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K251741: PathLoc Lumbar Interbody Fusion Cage System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K251741

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