510(k) Report

510(k) · Cleared

Cleared

TDM Lumbar Interbody Fusion Cage System

K221844510(k) TraditionalCleared Aug 17, 202254-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

Tdm Co., Ltd. · MAX Intervertebral Fusion Device With Bone Graft, Lumbar

Cleared on Aug 17, 2022 as substantially equivalent to K100516 (GS Medical Co., Ltd., 2010) and 1 other predicate after a 54-day review. Its family tree reaches back 13 generations to 2001. 1 later device descends from it.

Decided
Aug 17, 2022
Review
54 days
Class
Class II
Product code
MAX
Recalls
None
Predicates
2

Its longest line of descent runs back 13 generations to K003155 (2001). 70 ancestors in all, the oldest K841189 (1984). 1 later device descends from it, 1 citing it directly.

Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 10 other ancestors4 generations back: 8 other ancestors5 generations back: 12 other ancestors6 generations back: 12 other ancestors7 generations back: 9 other ancestors8 generations back: 2 other ancestors9 generations back: 1 other ancestor 1 generation forward: 1 descendant K122872 · Intervertebral Body Fusion Device · Dio Medical Co., Ltd. · 2013K111820 · Synster Cervical Cage, Alif Cage, Plif Cage, Ptlif Cage, Tlif Cage · Bm Korea Co., Ltd. · 2012K071983 · Aesculap Peek Intervertebral Body Fusion System: a Space, Cespace, Prospace, T-Space · Aesculap Implant Systems, Inc. · 2008 · recalledK060762 · Aesculap Peek Vertebral Body Replacement System · Aesculap, Inc. · 2006K051205 · Stryker Spine Avs Asl Peek Spacer · Stryker Spine · 2005K050624 · Stryker Spine Avs PL Peek Spacer · Stryker Spine · 2005K042571 · Stryker Spine Avs TL Peek Spacer · Stryker Spine · 2005K040731 · Stryker Spine Vertebral Spacer · Stryker Spine · 2004K031780 · Verte-Stack Spinal System · Medtronic Sofamor Danek · 2003K023570 · Modification to Verte-Stack Spinal System · Medtronic Sofamor Danek · 2002K021791 · Verte-Stack Spinal System · Medtronic Sofamor Danek · 2002K012254 · VBR · Osteotech, Inc. · 2001K003155 · Vertebral Body Replacement · Osteotech, Inc. · 2001−10−50
  1. Root · 13 generations backK003155 Vertebral Body ReplacementOsteotech, Inc. · 2001
  2. 9 generations between
  3. 3 generations backK071983 Aesculap Peek Intervertebral Body Fusion System: a Space, Cespace…Aesculap Implant Systems, Inc. · 2008 · Recalled
  4. 2 generations backK111820 Synster Cervical Cage, Alif Cage, Plif Cage, Ptlif Cage, Tlif CageBm Korea Co., Ltd. · 2012
  5. 1 generation backK122872 Intervertebral Body Fusion DeviceDio Medical Co., Ltd. · 2013
  6. This deviceK221844 TDM Lumbar Interbody Fusion Cage SystemTdm Co., Ltd. · 2022
  7. Descendant · cites it directly · 0 of its ownK213653 4CIS Black Marlin Plif Cage System, 4CIS Dolphin Tlif Cage SystemSolco Biomedical Company India Private Limited · 2022
Show all 13 generations
  1. Root · 13 generations backK003155 Vertebral Body ReplacementOsteotech, Inc. · 2001
  2. 12 generations backK012254 VBROsteotech, Inc. · 2001
  3. 11 generations backK021791 Verte-Stack Spinal SystemMedtronic Sofamor Danek · 2002
  4. 10 generations backK023570 Modification to Verte-Stack Spinal SystemMedtronic Sofamor Danek · 2002
  5. 9 generations backK031780 Verte-Stack Spinal SystemMedtronic Sofamor Danek · 2003
  6. 8 generations backK040731 Stryker Spine Vertebral SpacerStryker Spine · 2004
  7. 7 generations backK042571 Stryker Spine Avs TL Peek SpacerStryker Spine · 2005
  8. 6 generations backK050624 Stryker Spine Avs PL Peek SpacerStryker Spine · 2005
  9. 5 generations backK051205 Stryker Spine Avs Asl Peek SpacerStryker Spine · 2005
  10. 4 generations backK060762 Aesculap Peek Vertebral Body Replacement SystemAesculap, Inc. · 2006
  11. 3 generations backK071983 Aesculap Peek Intervertebral Body Fusion System: a Space, Cespace…Aesculap Implant Systems, Inc. · 2008 · Recalled
  12. 2 generations backK111820 Synster Cervical Cage, Alif Cage, Plif Cage, Ptlif Cage, Tlif CageBm Korea Co., Ltd. · 2012
  13. 1 generation backK122872 Intervertebral Body Fusion DeviceDio Medical Co., Ltd. · 2013
  14. This deviceK221844 TDM Lumbar Interbody Fusion Cage SystemTdm Co., Ltd. · 2022

Most influential descendants

Showing 1 of 1 · See all
  • K2136534CIS Black Marlin Plif Cage System, 4CIS Dolphin Tlif Cage SystemSolco Biomedical Company India Private Limited · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−13K003155Vertebral Body ReplacementOsteotech, Inc.2001—
−12K012254VBROsteotech, Inc.2001—
−11K021791Verte-Stack Spinal SystemMedtronic Sofamor Danek2002—
−10K023570Modification to Verte-Stack Spinal SystemMedtronic Sofamor Danek2002—
−9K031780Verte-Stack Spinal SystemMedtronic Sofamor Danek2003—
−8K040731Stryker Spine Vertebral SpacerStryker Spine2004—
−7K042571Stryker Spine Avs TL Peek SpacerStryker Spine2005—
−6K050624Stryker Spine Avs PL Peek SpacerStryker Spine2005—
−5K051205Stryker Spine Avs Asl Peek SpacerStryker Spine2005—
−4K060762Aesculap Peek Vertebral Body Replacement SystemAesculap, Inc.2006—
−3K071983Aesculap Peek Intervertebral Body Fusion System: a Space, Cespace, Prospace…Aesculap Implant Systems, Inc.20081
−2K111820Synster Cervical Cage, Alif Cage, Plif Cage, Ptlif Cage, Tlif CageBm Korea Co., Ltd.2012—
−1K122872Intervertebral Body Fusion DeviceDio Medical Co., Ltd.2013—
0 (this device)K221844TDM Lumbar Interbody Fusion Cage SystemTdm Co., Ltd.2022—
+1K2136534CIS Black Marlin Plif Cage System, 4CIS Dolphin Tlif Cage SystemSolco Biomedical Company India Private Limited2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
199620
199930
200010
200180
200250
200350
200490
200550
200740
200840
200970
201030

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
FIG. 1 — Lineage of K221844, 2001–2022Source: 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 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? (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
*K100516Anyplus Peek Cages
Summary page 5
…rforms as well as or better than the legally marketed predicate devices. Predicate Device: Primary predicate: GS Medical Co. – AnyPlus PEEK Cage (K100516) Additional predicate: Huvexel Co. Ltd. – Galaxy PEEK Cage (K122872) Reference Devices: K171808 - TDM Smal…
GS Medical Co., Ltd.2010—
*K122872Intervertebral Body Fusion Device
Summary page 5
…ces. Predicate Device: Primary predicate: GS Medical Co. – AnyPlus PEEK Cage (K100516) Additional predicate: Huvexel Co. Ltd. – Galaxy PEEK Cage (K122872) Reference Devices: K171808 - TDM Small Locking Plate and Screw System K190830 - TDM Screw System Technolo…
Dio Medical Co., Ltd.2013—
†K171808TDM Plate and Screw SystemTdm Co., Ltd.2018—
†K190830TDM Screw SystemsTdm Co., Ltd.2019—

Also cleared against K100516: 11 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K2136534CIS Black Marlin Plif Cage System, 4CIS Dolphin Tlif Cage SystemSolco Biomedical Company India Private Limited20220

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 21 years and passes through 8 companies; a new generation was cleared every 10 months on median.
  • 11 of the 70 ancestors have a recall of any class.
  • Of its descendants, K213653 (Solco Biomedical Company India Private Limited, 2022) has gone furthest, with 0 descendants of its own.
  • 11 other devices also cite its predicate K100516.

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. 2022, 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?

TDM 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, who have had six months of non-operative treatment. 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. TDM Lumbar Interbody Fusion Cage System is to be used with supplemental fixation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221844: TDM Lumbar Interbody Fusion Cage System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K221844

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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