510(k) Report

510(k) · Cleared

Cleared

EIT Cellular Titanium® Lumbar Cage LLIF

K181644510(k) TraditionalCleared Oct 12, 2018112-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

Eit Emerging Implant Technologies GmbH · MAX Intervertebral Fusion Device With Bone Graft, Lumbar

Cleared on Oct 12, 2018 as substantially equivalent to K161888 (Spineart, 2016) and 1 other predicate after a 112-day review. Its family tree reaches back 17 generations to 1984. 1 of the 313 devices in its family, counting itself, has a Class I recall. 141 later devices descend from it.

Decided
Oct 12, 2018
Review
112 days
Class
Class II
Product code
MAX
Recalls
None
Predicates
2

Its longest line of descent runs back 17 generations to K841189 (1984). 171 ancestors in all. 141 later devices descend from it, 6 citing it directly. 1 of the 313 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2016: 1 other ancestor2017: 1 other ancestor2014: 6 other ancestors2015: 1 other ancestor2013: 3 other ancestors2012: 4 other ancestors2011: 13 other ancestors2010: 6 other ancestors2009: 15 other ancestors2008: 25 other ancestors, 1 with a Class I recall12007: 10 other ancestors2005: 13 other ancestors1999: 2 other ancestors1996: 2 other ancestors2006: 2 other ancestors2003: 15 other ancestors2002: 8 other ancestors2001: 10 other ancestors2004: 16 other ancestors2000: 1 other ancestor2022: 17 descendants cleared2023: 22 descendants cleared2020: 4 descendants cleared2024: 29 descendants cleared2021: 9 descendants cleared2025: 31 descendants cleared2026: 29 descendants clearedK841189 · Oec/Rezaian Spinal Fixator · Orthopedic Equipment Co., Inc. · 1984K990148 · Stackable Cage System · Depuy Motech Acromed · 1999K003043 · Surgical Titanium Mesh System · Depuyacromed · 2001×2: 2 generations cleared close together, K022793 (2003), K031757 (2003) ×2: 2 generations cleared close together, K041888 (2004), K042930 (2004) K051454 · Aleutian Spacer System · K2m, LLC · 2005K063399 · Aleutian Spacer System · K2m, Inc. · 2007K082698 · Aleutian Ibf System · K2m, Inc. · 2009K101302 · Aleutian Ibf System · K2m, Inc. · 2010K103169 · Aleuttian · K2m, Inc. · 2011K130699 · Aleutian Spinal System · K2m, Inc. · 2013K133614 · Aleutian Ibf System · K2m, Inc. · 2014K143258 · PLIF STS, TLIF STS, OLIF STS (Spinal Truss System) · 4Web, Inc. · 2015×2: 2 generations cleared close together, K170503 (2017), K172888 (2017) 19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 12 other ancestors4 generations back: 26 other ancestors, 1 with a Class I recall15 generations back: 35 other ancestors6 generations back: 39 other ancestors7 generations back: 28 other ancestors8 generations back: 10 other ancestors9 generations back: 1 other ancestor 1 generation forward: 6 descendants2 generations forward: 21 descendants3 generations forward: 33 descendants4 generations forward: 35 descendants5 generations forward: 27 descendants6 generations forward: 13 descendants7 generations forward: 5 descendants8 generations forward: 1 descendant K172888 · EIT Cellular Titanium® Cervical Cages, EIT Cellular Titanium® PLIF Cages, EIT Cellular Titanium® TLIF Cages, EIT Cellular Titanium® ALIF Cages · Eit Emerging Implant Technologies GmbH · 2017K170503 · EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium PLIF Cages, EIT Cellular Titanium TLIF Cages, and EIT Cellular Titanium ALIF Cages · Eit Emerging Implant Technologies GmbH · 2017 · recalledK143258 · PLIF STS, TLIF STS, OLIF STS (Spinal Truss System) · 4Web, Inc. · 2015K133614 · Aleutian Ibf System · K2m, Inc. · 2014K130699 · Aleutian Spinal System · K2m, Inc. · 2013K103169 · Aleuttian · K2m, Inc. · 2011K101302 · Aleutian Ibf System · K2m, Inc. · 2010K082698 · Aleutian Ibf System · K2m, Inc. · 2009K063399 · Aleutian Spacer System · K2m, Inc. · 2007K051454 · Aleutian Spacer System · K2m, LLC · 2005K042930 · 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+5
  1. Root · 17 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 13 generations between
  3. 3 generations backK143258 PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)4Web, Inc. · 2015
  4. 2 generations backK170503 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium PLIF…Eit Emerging Implant Technologies GmbH · 2017 · Recalled
  5. 1 generation backK172888 EIT Cellular Titanium® Cervical Cages, EIT Cellular Titanium® PLIF…Eit Emerging Implant Technologies GmbH · 2017
  6. This deviceK181644 EIT Cellular Titanium® Lumbar Cage LLIFEit Emerging Implant Technologies GmbH · 2018
  7. Descendant · cites it directly · 130 of its ownK201605 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF…Eit Emerging Implant Technologies GmbH · 2020
  8. Descendant · 2 generations on · 75 of its ownK211258 Endoskeleton TC Interbody System, Endoskeleton TCS Interbody System…Medtronic Sofamor Danek USA, Inc. · 2021
  9. Descendant · 3 generations on · 55 of its ownK212524 Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA, Inc. · 2021
  10. Descendant · 3 generations on · 49 of its ownK214010 Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA · 2022
  11. Descendant · 2 generations on · 29 of its ownK222276 CONDUIT Cages; FIBERGRAFT BG PuttyDepuy Spine · 2022
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 backK051454 Aleutian Spacer SystemK2m, LLC · 2005
  9. 9 generations backK063399 Aleutian Spacer SystemK2m, Inc. · 2007
  10. 8 generations backK082698 Aleutian Ibf SystemK2m, Inc. · 2009
  11. 7 generations backK101302 Aleutian Ibf SystemK2m, Inc. · 2010
  12. 6 generations backK103169 AleuttianK2m, Inc. · 2011
  13. 5 generations backK130699 Aleutian Spinal SystemK2m, Inc. · 2013
  14. 4 generations backK133614 Aleutian Ibf SystemK2m, Inc. · 2014
  15. 3 generations backK143258 PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)4Web, Inc. · 2015
  16. 2 generations backK170503 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium PLIF…Eit Emerging Implant Technologies GmbH · 2017 · Recalled
  17. 1 generation backK172888 EIT Cellular Titanium® Cervical Cages, EIT Cellular Titanium® PLIF…Eit Emerging Implant Technologies GmbH · 2017
  18. This deviceK181644 EIT Cellular Titanium® Lumbar Cage LLIFEit Emerging Implant Technologies GmbH · 2018

Showing 5 of 141 descendants. See all descendants

Descendants cleared per year

2020: 42021: 92022: 172023: 222024: 292025: 312026: 29
2020high 31 (2025) · low 4 (2020)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 141 · See all
  • K201605EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF Cage, EIT Cellular…Eit Emerging Implant Technologies GmbH · 2020 · cites it directly130descendants
  • K211258Endoskeleton TC Interbody System, Endoskeleton TCS Interbody System, Endoskeleton TA…Medtronic Sofamor Danek USA, Inc. · 2021 · 2 generations on75descendants
  • K212524Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA, Inc. · 2021 · 3 generations on55descendants
  • K214010Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA · 2022 · 3 generations on49descendants
  • K222276CONDUIT Cages; FIBERGRAFT BG PuttyDepuy Spine · 2022 · 2 generations on29descendants
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—
−10K051454Aleutian Spacer SystemK2m, LLC2005—
−9K063399Aleutian Spacer SystemK2m, Inc.2007—
−8K082698Aleutian Ibf SystemK2m, Inc.2009—
−7K101302Aleutian Ibf SystemK2m, Inc.2010—
−6K103169AleuttianK2m, Inc.2011—
−5K130699Aleutian Spinal SystemK2m, Inc.2013—
−4K133614Aleutian Ibf SystemK2m, Inc.2014—
−3K143258PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)4Web, Inc.2015—
−2K170503EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium PLIF Cages, EIT…Eit Emerging Implant Technologies GmbH20172
−1K172888EIT Cellular Titanium® Cervical Cages, EIT Cellular Titanium® PLIF Cages, EIT…Eit Emerging Implant Technologies GmbH2017—
0 (this device)K181644EIT Cellular Titanium® Lumbar Cage LLIFEit Emerging Implant Technologies GmbH2018—
+1K201605EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF Cage, EIT…Eit Emerging Implant Technologies GmbH2020—
+2K211258Endoskeleton TC Interbody System, Endoskeleton TCS Interbody System…Medtronic Sofamor Danek USA, Inc.2021—
+3K212524Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA, Inc.2021—
+3K214010Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA2022—
+2K222276CONDUIT Cages; FIBERGRAFT BG PuttyDepuy Spine2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199620
199920
200010
2001100
200280
2003150
2004160
2005130
200620
2007100
2008251
2009150
201060
2011130
201240
201330
201460
201510
201610
201710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202040
202190
2022170
2023220
2024290
2025310
2026290
FIG. 1 — Lineage of K181644, 1984–2026Source: 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.

1 device in this family has a Class I recall. 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
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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
*K161888JULIET® LL Lateral Lumbar Cage
Summary page 5
…icate Devices Manufacturer Device Name K-Number SPINEART JULIET® LL Lateral Lumbar Cage K161888 Additional Predicate Devices: The EIT Cellular Titanium® PLIF Cages, EIT Cellular Titanium® TLIF Cages, and EIT Cellular Titaniu…
Spineart2016—
*K172888EIT Cellular Titanium® Cervical Cages, EIT Cellular Titanium® PLIF Cages, EIT Cellular…
Summary page 5
…icate Devices: The EIT Cellular Titanium® PLIF Cages, EIT Cellular Titanium® TLIF Cages, and EIT Cellular Titanium® ALIF Cages (EIT Emerging Implant Technologies, GmbH) (K172888) are substantially equivalent to the subject device with respect to indications, design, additive manufacturing process, and perf…
Eit Emerging Implant Technologies GmbH2017—

Also cleared against K161888: 1 other device →

What descends from it? (141)

See all 141

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

NumberDeviceApplicantDecidedDescendants
K201605EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF Cage, EIT Cellular…Eit Emerging Implant Technologies GmbH2020130
K191906MiRus 3D Printed Lumbar Interbody Fusion Systems consisting of the Callisto 3D Printed…MiRus, LLC20206
K201453Fortilink Cages with TiPlus TechnologyParadigm Spine GmbH20204
K223868PYXIS 3D Titanium Cage SystemGS Medical Co., Ltd.20232
K221325CONDUIT Lateral Switch PlateMedos International SARL20221
K223688CONDUIT™ Lateral Lumbar Intervertebral Fusion Cage, CONDUIT™ InstrumentsMedos International Sàrl20230

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K073202Ardis SpacerAbbott Spine, Inc. · 2008 · 4 generations back · ◆ in the 2008 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 34 years and passes through 10 companies; a new generation was cleared every 1.0 years on median.
  • 20 of the 171 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K201605 (Eit Emerging Implant Technologies GmbH, 2020) has gone furthest, with 130 descendants of its own.
  • 1 other device also cites its predicate K161888.

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. 2018, 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?

EIT Cellular Titanium® Lumbar Cage LLIF 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). These spinal…

Read the full statement (116 words)

EIT Cellular Titanium® Lumbar Cage LLIF 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). These spinal implants are to be used with autogenous bone graft and/or allogeneic bone graft comprised of cancellous and/or corticocancellous bone graft. EIT Spine LLIF 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 as stated in the FDA summary.

Cite this page

510(k) Report. “K181644: EIT Cellular Titanium® Lumbar Cage LLIF.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K181644

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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