510(k) Report

510(k) · Cleared

Cleared

Tera Lumbar Interbody Fusion System (Various PNs)

K251335510(k) TraditionalCleared Jun 2, 202533-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

Acuity Surgical Devices, LLC · MAX Intervertebral Fusion Device With Bone Graft, Lumbar

Cleared on Jun 2, 2025 as substantially equivalent to K221535 (Acuity Surgical Devices, LLC, 2022) and 2 other predicates after a 33-day review. Its family tree reaches back 25 generations to 1984. 1 of the 413 devices in its family, counting itself, has a Class I recall. 1 later device descends from it.

Decided
Jun 2, 2025
Review
33 days
Class
Class II
Product code
MAX
Recalls
None
Predicates
3

Its longest line of descent runs back 25 generations to K841189 (1984). 411 ancestors in all, the oldest K792352 (1979). 1 later device descends from it, 1 citing it directly. 1 of the 413 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2025: 1 other ancestor2022: 1 other ancestor2021: 1 other ancestor2014: 21 other ancestors2019: 2 other ancestors2018: 2 other ancestors2017: 8 other ancestors2013: 26 other ancestors2009: 34 other ancestors2016: 11 other ancestors2015: 14 other ancestors2012: 22 other ancestors2011: 31 other ancestors2010: 26 other ancestors2008: 49 other ancestors, 1 with a Class I recall12007: 18 other ancestors2006: 16 other ancestors2005: 21 other ancestors2004: 28 other ancestors2003: 19 other ancestors2001: 11 other ancestors1999: 3 other ancestors1996: 2 other ancestors2002: 11 other ancestors2000: 2 other ancestors1993: 2 other ancestors1997: 1 other ancestor1998: 1 other ancestor1980: 1 other ancestor1979: 1 other ancestor2026: 1 descendant 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) K062759 · Paramount VBR System · Innovative Spinal Technologies, Inc. · 2007×2: 2 generations cleared close together, K072120 (2007), K073291 (2008) K094025 · Crescent Spinal System · Medtronic Sofamor Danek · 2010K110543 · Crescent (R) Spinal System Titanium · Medtronic Sofamor Danek USA, Inc. · 2011×2: 2 generations cleared close together, K121683 (2012), K123752 (2013) K132505 · Acculif TL and PL Cage · Coalign Innovations, Inc. · 2013 · recalled×2: 2 generations cleared close together, K141217 (2014), K143163 (2015) ×2: 2 generations cleared close together, K153782 (2016), K161230 (2016) ×2: 2 generations cleared close together, K170962 (2017), K171633 (2017) K180078 · Px PEEK IBF System, Px HA PEEK IBF System, TxHA PEEK IBF System · Innovasis, Inc. · 2018 · recalledK183064 · TxTi IBF System · Innovasis, Inc. · 2019 · recalledK201614 · TxTiHA IBF System, AxTiHA Stand-Alone ALIF System · Innovasis, Inc. · 2020 · recalledK221535 · Align Lumbar Interbody Fusion System · Acuity Surgical Devices, LLC · 202219801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 2 other ancestors3 generations back: 7 other ancestors4 generations back: 31 other ancestors5 generations back: 83 other ancestors6 generations back: 89 other ancestors7 generations back: 78 other ancestors8 generations back: 66 other ancestors, 1 with a Class I recall19 generations back: 21 other ancestors10 generations back: 7 other ancestors 1 generation forward: 1 descendant K221535 · Align Lumbar Interbody Fusion System · Acuity Surgical Devices, LLC · 2022K201614 · TxTiHA IBF System, AxTiHA Stand-Alone ALIF System · Innovasis, Inc. · 2020 · recalledK183064 · TxTi IBF System · Innovasis, Inc. · 2019 · recalledK180078 · Px PEEK IBF System, Px HA PEEK IBF System, TxHA PEEK IBF System · Innovasis, Inc. · 2018 · recalledK171633 · NuVasive TLX Interbody System · Nu Vasive, Incorporated · 2017K170962 · NuVasive® CoRoent® Thoracolumbar System · Nu Vasive, Incorporated · 2017K161230 · NuVasive Lumbar Interbody Implants · Nu Vasive, Incorporated · 2016K153782 · NuVasive® Lumbar Interbody Implants · Nu Vasive, Incorporated · 2016K143163 · AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK Spacer, AVS® Navigator PEEK Spacer, AVS® ARIA PEEK Spacer, AccuLIF TL and PL Cage, AVS® Anchor-L Spacer, Aero-AL Lumbar Cage System · Stryker Corporation · 2015K141217 · Acculif TL and PL Cage · Stryker Corporation · 2014 · recalledK132505 · Acculif TL and PL Cage · Coalign Innovations, Inc. · 2013 · recalledK123752 · Acculif TL and PL Cage · Coalign Innovations, Inc. · 2013K121683 · Acculif TL Cage · Coalign Innovations, Inc. · 2012K110543 · Crescent (R) Spinal System Titanium · Medtronic Sofamor Danek USA, Inc. · 2011K094025 · Crescent Spinal System · Medtronic Sofamor Danek · 2010K073291 · 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. · 1984−25−20−15−10−50
  1. Root · 25 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 21 generations between
  3. 3 generations backK183064 TxTi IBF SystemInnovasis, Inc. · 2019 · Recalled
  4. 2 generations backK201614 TxTiHA IBF System, AxTiHA Stand-Alone ALIF SystemInnovasis, Inc. · 2020 · Recalled
  5. 1 generation backK221535 Align Lumbar Interbody Fusion SystemAcuity Surgical Devices, LLC · 2022
  6. This deviceK251335 Tera Lumbar Interbody Fusion System (Various PNs)Acuity Surgical Devices, LLC · 2025
  7. Descendant · cites it directly · 0 of its ownK254130 C.A. Medical Interbody Fusion SystemC.A. Medical, LLC · 2026
Show all 25 generations
  1. Root · 25 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 24 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
  3. 23 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
  4. 22 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
  5. 21 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
  6. 20 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
  7. 19 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
  8. 18 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
  9. 17 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
  10. 16 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
  11. 15 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
  12. 14 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
  13. 13 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
  14. 12 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
  15. 11 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
  16. 10 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
  17. 9 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
  18. 8 generations backK153782 NuVasive® Lumbar Interbody ImplantsNu Vasive, Incorporated · 2016
  19. 7 generations backK161230 NuVasive Lumbar Interbody ImplantsNu Vasive, Incorporated · 2016
  20. 6 generations backK170962 NuVasive® CoRoent® Thoracolumbar SystemNu Vasive, Incorporated · 2017
  21. 5 generations backK171633 NuVasive TLX Interbody SystemNu Vasive, Incorporated · 2017
  22. 4 generations backK180078 Px PEEK IBF System, Px HA PEEK IBF System, TxHA PEEK IBF SystemInnovasis, Inc. · 2018 · Recalled
  23. 3 generations backK183064 TxTi IBF SystemInnovasis, Inc. · 2019 · Recalled
  24. 2 generations backK201614 TxTiHA IBF System, AxTiHA Stand-Alone ALIF SystemInnovasis, Inc. · 2020 · Recalled
  25. 1 generation backK221535 Align Lumbar Interbody Fusion SystemAcuity Surgical Devices, LLC · 2022
  26. This deviceK251335 Tera Lumbar Interbody Fusion System (Various PNs)Acuity Surgical Devices, LLC · 2025

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K254130C.A. Medical Interbody Fusion SystemC.A. Medical, LLC · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−25K841189Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc.1984—
−24K990148Stackable Cage SystemDepuy Motech Acromed1999—
−23K003043Surgical Titanium Mesh SystemDepuyacromed2001—
−22K022793Tetris Spinal ImplantSignus Medical, LLC2003—
−21K031757Peek Tetris Spinal ImplantSignus Medical, LLC2003—
−20K041888Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH2004—
−19K042930Spacevision Cage SystemSpine Vision, Inc.2004—
−18K062759Paramount VBR SystemInnovative Spinal Technologies, Inc.2007—
−17K072120Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc.2007—
−16K073291Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc.2008—
−15K094025Crescent Spinal SystemMedtronic Sofamor Danek2010—
−14K110543Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc.2011—
−13K121683Acculif TL CageCoalign Innovations, Inc.2012—
−12K123752Acculif TL and PL CageCoalign Innovations, Inc.2013—
−11K132505Acculif TL and PL CageCoalign Innovations, Inc.20133
−10K141217Acculif TL and PL CageStryker Corporation20143
−9K143163AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK…Stryker Corporation2015—
−8K153782NuVasive® Lumbar Interbody ImplantsNu Vasive, Incorporated2016—
−7K161230NuVasive Lumbar Interbody ImplantsNu Vasive, Incorporated2016—
−6K170962NuVasive® CoRoent® Thoracolumbar SystemNu Vasive, Incorporated2017—
−5K171633NuVasive TLX Interbody SystemNu Vasive, Incorporated2017—
−4K180078Px PEEK IBF System, Px HA PEEK IBF System, TxHA PEEK IBF SystemInnovasis, Inc.20181
−3K183064TxTi IBF SystemInnovasis, Inc.20191
−2K201614TxTiHA IBF System, AxTiHA Stand-Alone ALIF SystemInnovasis, Inc.20201
−1K221535Align Lumbar Interbody Fusion SystemAcuity Surgical Devices, LLC2022—
0 (this device)K251335Tera Lumbar Interbody Fusion System (Various PNs)Acuity Surgical Devices, LLC2025—
+1K254130C.A. Medical Interbody Fusion SystemC.A. Medical, LLC2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198010
199320
199620
199710
199810
199930
200020
2001110
2002110
2003190
2004280
2005210
2006160
2007180
2008491
2009340
2010260
2011310
2012220
2013260
2014210
2015140
2016110
201780
201820
201920
202110
202210
202510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K251335, 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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K221535Align Lumbar Interbody Fusion System
Summary page 5
…Trade Name Manufacturer Primary Predicate Device Align Lumbar Interbody Acuity Surgical Devices K221535 MAX Fusion Device LLC Additional Predicate Devices…
Acuity Surgical Devices, LLC2022—
*K243386Ventris Intervertebral Body Fusion Device
Summary page 5
…Fusion Device LLC Additional Predicate Devices Acuity Surgical Devices K243386 OVD Ventris LLC…
Acuity Surgical Devices, LLC2025—
*K222561Align
Summary page 5
…tris LLC Acuity Surgical Devices K222561 OVD Align HA LLC Device Descriptio…
Acuity Surgical Devices, LLC2022—

Also cleared against K221535: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K254130C.A. Medical Interbody Fusion SystemC.A. Medical, LLC20260

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 · 8 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 14 companies; a new generation was cleared every 11 months on median.
  • 43 of the 411 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K254130 (C.A. Medical, LLC, 2026) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K221535.

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?

The Tera Lumbar Interbody Fusion System is indicated for intervertebral body fusion of the spine in skeletally mature patients who have had at least six months of non-operative treatment. The device systems are designed for use with allogenic bone graft comprised of cancellous and/or corticocancellous bone graft and/or autograft to facilitate fusion. The Tera Lumbar Interbody Fusion System is intended for use at either one level or two contiguous levels…

Read the full statement (135 words)

The Tera Lumbar Interbody Fusion System is indicated for intervertebral body fusion of the spine in skeletally mature patients who have had at least six months of non-operative treatment. The device systems are designed for use with allogenic bone graft comprised of cancellous and/or corticocancellous bone graft and/or autograft to facilitate fusion.

The Tera Lumbar Interbody Fusion System is intended for use at either one level or two contiguous levels in the lumbar spine, from L2 to S1, for the treatment of degenerative disc disease (DDD) with up to Grade I spondylolisthesis. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies.

The Tera Lumbar Interbody Fusion System is intended to be used with supplemental spinal fixation system cleared for use in the lumbosacral spine.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K251335: Tera Lumbar Interbody Fusion System (Various PNs).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K251335

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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