510(k) · Cleared
ClearedUniSpace® TPLIF Cage
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cg Medtech Co., Ltd. · MAX Intervertebral Fusion Device With Bone Graft, Lumbar
Cleared on Oct 28, 2025 as substantially equivalent to K132926 (U&I Corp., 2014) and 2 other predicates after a 91-day review. Its family tree reaches back 25 generations to 1984. 1 of the 272 devices in its family, counting itself, has a Class I recall.
- Decided
- Oct 28, 2025
- Review
- 91 days
- Class
- Class II
- Product code
- MAX
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 25 generations to K841189 (1984). 271 ancestors in all. No later device cites it as a predicate yet. 1 of the 272 devices in this family, counting this one, has a Class I recall.
- Root · 25 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 21 generations between
- 3 generations backK201605 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF…Eit Emerging Implant Technologies GmbH · 2020
- 2 generations backK213791 Unispace SA Cervical CageEdisoninno Co., Ltd. · 2022
- 1 generation backK234119 UniSpace® Stand-Alone C CageInnosys Co., Ltd. · 2024
- This deviceK252351 UniSpace® TPLIF CageCg Medtech Co., Ltd. · 2025
Show all 25 generations
- Root · 25 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 24 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
- 23 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
- 22 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
- 21 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
- 20 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
- 19 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
- 18 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
- 17 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
- 16 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
- 15 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
- 14 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
- 13 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
- 12 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
- 11 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
- 10 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
- 9 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
- 8 generations backK143616 AccuLIF TL and PL CageStryker Corporation · 2015 · Recalled
- 7 generations backK152304 Tritanium PL CageStryker · 2015 · Recalled
- 6 generations backK160955 Tritanium® PL CageStryker · 2016
- 5 generations backK181014 Tritanium PL CageStryker Spine · 2018
- 4 generations backK183447 EIT Cellular Titanium Lumbar Cage - T/PLIFEit Emerging Implant Technologies GmbH · 2019
- 3 generations backK201605 EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF…Eit Emerging Implant Technologies GmbH · 2020
- 2 generations backK213791 Unispace SA Cervical CageEdisoninno Co., Ltd. · 2022
- 1 generation backK234119 UniSpace® Stand-Alone C CageInnosys Co., Ltd. · 2024
- This deviceK252351 UniSpace® TPLIF CageCg Medtech Co., Ltd. · 2025
Class I recalls in this family
- K073202 Ardis Spacer5 generations back · 2008
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −25 | K841189 | Oec/Rezaian Spinal Fixator | Orthopedic Equipment Co., Inc. | 1984 | — |
| −24 | K990148 | Stackable Cage System | Depuy Motech Acromed | 1999 | — |
| −23 | K003043 | Surgical Titanium Mesh System | Depuyacromed | 2001 | — |
| −22 | K022793 | Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −21 | K031757 | Peek Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −20 | K041888 | Curved Peek Tetris Spinal Implant | Signus Medizintechnik GmbH | 2004 | — |
| −19 | K042930 | Spacevision Cage System | Spine Vision, Inc. | 2004 | — |
| −18 | K062759 | Paramount VBR System | Innovative Spinal Technologies, Inc. | 2007 | — |
| −17 | K072120 | Paramount Intervertebral Body Fusion Device | Innovative Spinal Technologies, Inc. | 2007 | — |
| −16 | K073291 | Capstone Spinal System | Medtronic Sofamor Danek USA, Inc. | 2008 | — |
| −15 | K094025 | Crescent Spinal System | Medtronic Sofamor Danek | 2010 | — |
| −14 | K110543 | Crescent (R) Spinal System Titanium | Medtronic Sofamor Danek USA, Inc. | 2011 | — |
| −13 | K121683 | Acculif TL Cage | Coalign Innovations, Inc. | 2012 | — |
| −12 | K123752 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | — |
| −11 | K132505 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | 3 |
| −10 | K141217 | Acculif TL and PL Cage | Stryker Corporation | 2014 | 3 |
| −9 | K143163 | AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK… | Stryker Corporation | 2015 | — |
| −8 | K143616 | AccuLIF TL and PL Cage | Stryker Corporation | 2015 | 4 |
| −7 | K152304 | Tritanium PL Cage | Stryker | 2015 | 1 |
| −6 | K160955 | Tritanium® PL Cage | Stryker | 2016 | — |
| −5 | K181014 | Tritanium PL Cage | Stryker Spine | 2018 | — |
| −4 | K183447 | EIT Cellular Titanium Lumbar Cage - T/PLIF | Eit Emerging Implant Technologies GmbH | 2019 | — |
| −3 | K201605 | EIT Cellular Titanium Cervical Cage, EIT Cellular Titanium ALIF Cage, EIT… | Eit Emerging Implant Technologies GmbH | 2020 | — |
| −2 | K213791 | Unispace SA Cervical Cage | Edisoninno Co., Ltd. | 2022 | — |
| −1 | K234119 | UniSpace® Stand-Alone C Cage | Innosys Co., Ltd. | 2024 | — |
| 0 (this device) | K252351 | UniSpace® TPLIF Cage | Cg Medtech Co., Ltd. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 10 | 0 |
| 2002 | 12 | 0 |
| 2003 | 17 | 0 |
| 2004 | 22 | 0 |
| 2005 | 21 | 0 |
| 2006 | 6 | 0 |
| 2007 | 13 | 0 |
| 2008 | 36 | 1 |
| 2009 | 27 | 0 |
| 2010 | 15 | 0 |
| 2011 | 19 | 0 |
| 2012 | 9 | 0 |
| 2013 | 7 | 0 |
| 2014 | 14 | 0 |
| 2015 | 4 | 0 |
| 2016 | 2 | 0 |
| 2017 | 5 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
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 K203714 NuVasive Thoracolumbar Interbody Systems…score 102.5 · 24 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K132926 | Velofixtm Interbody Fusion SystemSummary page 5…CFR 888.3080 Common Name: Intervertebral Body Fusion Device, IBF Device Product Code: MAX Predicate Devices: Velofix™ Interbody Fusion System(K132926) Additional Predicates: UniSpace® Stand-Alonc C Cage(K234119) UniSpace™ SA Cervical Cage(K213791) Descr… | 2014 |
| * | K234119 | UniSpace® Stand-Alone C CageSummary page 5…on Device, IBF Device Product Code: MAX Predicate Devices: Velofix™ Interbody Fusion System(K132926) Additional Predicates: UniSpace® Stand-Alonc C Cage(K234119) UniSpace™ SA Cervical Cage(K213791) Description of Device: The UniSpace® TPLIF Cage is a product for lu… | 2024 |
| * | K213791 | Unispace SA Cervical CageSummary page 5…e Devices: Velofix™ Interbody Fusion System(K132926) Additional Predicates: UniSpace® Stand-Alonc C Cage(K234119) UniSpace™ SA Cervical Cage(K213791) Description of Device: The UniSpace® TPLIF Cage is a product for lumbar spinal column stability. The implants of the UniSpace®… | 2022 |
What descends from it?
No later submission names this one as a predicate yet.
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 · 5 generations back · ◆ in the 2008 ancestors bar of FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 41 years and passes through 17 companies; a new generation was cleared every 11 months on median.
- 31 of the 271 ancestors have a recall of any class; 1 has a Class I recall.
- 3 other devices also cite its predicate K132926.
How does its category compare?
All MAX devicesMAX 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
2026 to Oct 25, outlined.
Median 510(k) review, days · MAX
85in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MAX
5in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · MAX
811in 2025
MAUDE reports naming product code MAX, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 7 | 86 | 0 | 12 |
| 2008 | 35 | 88 | 2 | 19 |
| 2009 | 31 | 102 | 9 | 90 |
| 2010 | 29 | 137 | 0 | 154 |
| 2011 | 49 | 98 | 3 | 201 |
| 2012 | 48 | 69 | 11 (1) | 327 |
| 2013 | 58 | 102 | 0 | 380 |
| 2014 | 58 | 115 | 3 | 366 |
| 2015 | 53 | 113 | 1 | 524 |
| 2016 | 64 | 124 | 6 | 647 |
| 2017 | 76 | 116 | 1 | 596 |
| 2018 | 64 | 114 | 4 | 616 |
| 2019 | 60 | 131 | 1 | 699 |
| 2020 | 56 | 106 | 0 | 640 |
| 2021 | 53 | 109 | 0 | 622 |
| 2022 | 41 | 95 | 1 | 618 |
| 2023 | 30 | 87 | 0 | 576 |
| 2024 | 38 | 91 | 1 | 729 |
| 2025 | 29 | 85 | 5 | 811 |
| 2026 | 18 | 95 | 0 | — |
What is it indicated for?
The UniSpace® TPLIF Cage is indicated for intervertebral body fusion at one level or two contiguous levels in the lumbar spine from L2 to S1 in patients with degenerative disc disease (DDD) with up to Grade I spondylolisthesis at the involved level(s). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies. These patients should be skeletally mature and have had six months of…
Read the full statement (113 words)
The UniSpace® TPLIF Cage is indicated for intervertebral body fusion at one level or two contiguous levels in the lumbar spine from L2 to S1 in patients with degenerative disc disease (DDD) with up to Grade I spondylolisthesis at the involved level(s). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies. These patients should be skeletally mature and have had six months of non-operative treatment. The UniSpace® TPLIF Cage is to be used with supplemental internal spinal fixation. Additionally, the UniSpace® TPLIF Cage is to be used with autograft bone and/or allogenic bone graft comprised of cancellous or corticocancellous bone graft.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K252351 · printed Nov 6, 2026
Cite this page
510(k) Report. “K252351: UniSpace® TPLIF Cage.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K252351
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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