510(k) Report

510(k) · Cleared

Cleared

Tranquil-L Interbody System

K233375510(k) SpecialCleared Mar 20, 2024170-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

Nexus Spine, LLC · MAX Intervertebral Fusion Device With Bone Graft, Lumbar

Cleared on Mar 20, 2024 as substantially equivalent to K181702 (Nexus Spine, LLC, 2018) and 4 other predicates after a 170-day review. Its family tree reaches back 27 generations to 1984. 1 of the 561 devices in its family, counting itself, has a Class I recall.

Decided
Mar 20, 2024
Review
170 days
Class
Class II
Product code
MAX
Recalls
None
Predicates
5

Its longest line of descent runs back 27 generations to K841189 (1984). 560 ancestors in all, the oldest K792352 (1979). No later device cites it as a predicate yet. 1 of the 561 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year cleared 2018: 8 other ancestors2017: 18 other ancestors2012: 30 other ancestors2023: 1 other ancestor2016: 20 other ancestors2013: 35 other ancestors2011: 45 other ancestors2010: 29 other ancestors2009: 41 other ancestors2008: 54 other ancestors, 1 with a Class I recall12007: 22 other ancestors2004: 41 other ancestors2021: 1 other ancestor2015: 28 other ancestors2006: 18 other ancestors2005: 28 other ancestors2003: 22 other ancestors2002: 14 other ancestors2001: 12 other ancestors2000: 6 other ancestors1999: 8 other ancestors1996: 3 other ancestors2020: 3 other ancestors2019: 2 other ancestors2014: 33 other ancestors1998: 4 other ancestors1993: 2 other ancestors1997: 1 other ancestor1995: 1 other ancestor1992: 1 other ancestor1980: 1 other ancestor1979: 1 other ancestorK841189 · 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. · 2007K072120 · Paramount Intervertebral Body Fusion Device · Innovative Spinal Technologies, Inc. · 2007K073291 · Capstone Spinal System · Medtronic Sofamor Danek USA, Inc. · 2008K094025 · Crescent Spinal System · Medtronic Sofamor Danek · 2010K110543 · Crescent (R) Spinal System Titanium · Medtronic Sofamor Danek USA, Inc. · 2011K121683 · Acculif TL Cage · Coalign Innovations, Inc. · 2012K123752 · Acculif TL and PL Cage · Coalign Innovations, Inc. · 2013K132505 · Acculif TL and PL Cage · Coalign Innovations, Inc. · 2013 · recalledK141217 · Acculif TL and PL Cage · Stryker Corporation · 2014 · recalledK143163 · 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 · 2015×2: 2 generations cleared close together, K153782 (2016), K161230 (2016) ×3: 3 generations cleared close together, K170962 (2017), K171633 (2017), K172341 (2017) ×3: 3 generations cleared close together, K193593 (2020), K201820 (2020), K203201 (2021) K212498 · Stable-L Standalone Lumbar Interbody System · Nexus Spine, LLC · 2022K232530 · Stable-L Standalone Lumbar Interbody System, Stable-C Interbody System · Nexus Spine, LLC · 202319801990200020102020
Other ancestors, by generation 1 generation back: 4 other ancestors2 generations back: 25 other ancestors3 generations back: 47 other ancestors4 generations back: 94 other ancestors5 generations back: 88 other ancestors, 1 with a Class I recall16 generations back: 91 other ancestors7 generations back: 69 other ancestors8 generations back: 49 other ancestors9 generations back: 42 other ancestors10 generations back: 15 other ancestors11 generations back: 7 other ancestors12 generations back: 2 other ancestors K232530 · Stable-L Standalone Lumbar Interbody System, Stable-C Interbody System · Nexus Spine, LLC · 2023K212498 · Stable-L Standalone Lumbar Interbody System · Nexus Spine, LLC · 2022K203201 · NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar System, CoRoent XL Interfixated System, Brigade Hyperlordotic System, Brigade Standalone System, Brigade Lateral System, BASE Interfixated Titanium System, Coalesce Thoracolumbar Interbody Fusion System, Cohere Thoracolumbar Interbody System, Modulus XLIF Interbody System, Modulus TLIF Interbody System, Modulus ALIF System · Nu Vasive, Incorporated · 2021K201820 · NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar System, CoRoent XL Interfixated System, Brigade Standalone System and Brigade Hyperlordotic System, Brigade Lateral System, BASE Interfixated Titanium System, Coalesce Thoracolumbar Interbody Fusion System, Cohere Thoracolumbar Interbody System, Modulus XLIF Interbody System, Modulus TLIF Interbody System, 3DP Interfixated ALIF System · Nu Vasive, Incorporated · 2020K193593 · NuVasive 3DP Interfixated ALIF System · Nu Vasive, Incorporated · 2020K172341 · NuVasive® Modulus TLIF Interbody System · Nu Vasive, Incorporated · 2017K171633 · 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 · 27 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 23 generations between
  3. 3 generations backK203201 NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar…Nu Vasive, Incorporated · 2021
  4. 2 generations backK212498 Stable-L Standalone Lumbar Interbody SystemNexus Spine, LLC · 2022
  5. 1 generation backK232530 Stable-L Standalone Lumbar Interbody System, Stable-C Interbody SystemNexus Spine, LLC · 2023
  6. This deviceK233375 Tranquil-L Interbody SystemNexus Spine, LLC · 2024
Show all 27 generations
  1. Root · 27 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 26 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
  3. 25 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
  4. 24 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
  5. 23 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
  6. 22 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
  7. 21 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
  8. 20 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
  9. 19 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
  10. 18 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
  11. 17 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
  12. 16 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
  13. 15 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
  14. 14 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
  15. 13 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
  16. 12 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
  17. 11 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
  18. 10 generations backK153782 NuVasive® Lumbar Interbody ImplantsNu Vasive, Incorporated · 2016
  19. 9 generations backK161230 NuVasive Lumbar Interbody ImplantsNu Vasive, Incorporated · 2016
  20. 8 generations backK170962 NuVasive® CoRoent® Thoracolumbar SystemNu Vasive, Incorporated · 2017
  21. 7 generations backK171633 NuVasive TLX Interbody SystemNu Vasive, Incorporated · 2017
  22. 6 generations backK172341 NuVasive® Modulus TLIF Interbody SystemNu Vasive, Incorporated · 2017
  23. 5 generations backK193593 NuVasive 3DP Interfixated ALIF SystemNu Vasive, Incorporated · 2020
  24. 4 generations backK201820 NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar…Nu Vasive, Incorporated · 2020
  25. 3 generations backK203201 NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar…Nu Vasive, Incorporated · 2021
  26. 2 generations backK212498 Stable-L Standalone Lumbar Interbody SystemNexus Spine, LLC · 2022
  27. 1 generation backK232530 Stable-L Standalone Lumbar Interbody System, Stable-C Interbody SystemNexus Spine, LLC · 2023
  28. This deviceK233375 Tranquil-L Interbody SystemNexus Spine, LLC · 2024

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−27K841189Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc.1984—
−26K990148Stackable Cage SystemDepuy Motech Acromed1999—
−25K003043Surgical Titanium Mesh SystemDepuyacromed2001—
−24K022793Tetris Spinal ImplantSignus Medical, LLC2003—
−23K031757Peek Tetris Spinal ImplantSignus Medical, LLC2003—
−22K041888Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH2004—
−21K042930Spacevision Cage SystemSpine Vision, Inc.2004—
−20K062759Paramount VBR SystemInnovative Spinal Technologies, Inc.2007—
−19K072120Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc.2007—
−18K073291Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc.2008—
−17K094025Crescent Spinal SystemMedtronic Sofamor Danek2010—
−16K110543Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc.2011—
−15K121683Acculif TL CageCoalign Innovations, Inc.2012—
−14K123752Acculif TL and PL CageCoalign Innovations, Inc.2013—
−13K132505Acculif TL and PL CageCoalign Innovations, Inc.20133
−12K141217Acculif TL and PL CageStryker Corporation20143
−11K143163AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK…Stryker Corporation2015—
−10K153782NuVasive® Lumbar Interbody ImplantsNu Vasive, Incorporated2016—
−9K161230NuVasive Lumbar Interbody ImplantsNu Vasive, Incorporated2016—
−8K170962NuVasive® CoRoent® Thoracolumbar SystemNu Vasive, Incorporated2017—
−7K171633NuVasive TLX Interbody SystemNu Vasive, Incorporated2017—
−6K172341NuVasive® Modulus TLIF Interbody SystemNu Vasive, Incorporated2017—
−5K193593NuVasive 3DP Interfixated ALIF SystemNu Vasive, Incorporated2020—
−4K201820NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar System…Nu Vasive, Incorporated2020—
−3K203201NuVasive Thoracolumbar Interbody Systems: CoRoent Thoracolumbar System…Nu Vasive, Incorporated2021—
−2K212498Stable-L Standalone Lumbar Interbody SystemNexus Spine, LLC2022—
−1K232530Stable-L Standalone Lumbar Interbody System, Stable-C Interbody SystemNexus Spine, LLC2023—
0 (this device)K233375Tranquil-L Interbody SystemNexus Spine, LLC2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198010
199210
199320
199510
199630
199710
199840
199980
200060
2001120
2002140
2003220
2004410
2005280
2006180
2007220
2008541
2009410
2010290
2011450
2012300
2013350
2014330
2015280
2016200
2017180
201880
201920
202030
202110
202310
FIG. 1 — Lineage of K233375, 1984–2024Source: 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? (5)

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
*K181702Tranquil-L Interbody System
Summary page 4
…ce) Panel: Orthopedic Product Code: MAX Primary Predicate: Nexus Spine, LLC Tranquil-L Interbody System – K181702 Device Description: The Tranquil-L Interbody System is a lumbar interbody fusion system. Implants are manufactured from titani…
Nexus Spine, LLC2018—
*K170297Tranquil Interbody System
Summary page 5
…cate devices: Primary Predicate:  Nexus Spine, LLC, Tranquil-L Interbody System – K181702 Additional Predicates:  Nexus Spine, LLC, Tranquil Interbody System – K170297  Nexus Spine, LLC Tranquil Interbody System – K181483  Biomet Spine Lateral Spacer System – K122989  Nexus Spine,…
Nexus Spine, LLC2017—
*K181483Tranquil Interbody System
Summary page 5
…anquil-L Interbody System – K181702 Additional Predicates:  Nexus Spine, LLC, Tranquil Interbody System – K170297  Nexus Spine, LLC Tranquil Interbody System – K181483  Biomet Spine Lateral Spacer System – K122989  Nexus Spine, LLC, Stable C and Stable L Interbody Systems – K232530 The…
Nexus Spine, LLC2018—
*K122989Biomet Lateral Spacer System
Summary page 5
…icates:  Nexus Spine, LLC, Tranquil Interbody System – K170297  Nexus Spine, LLC Tranquil Interbody System – K181483  Biomet Spine Lateral Spacer System – K122989  Nexus Spine, LLC, Stable C and Stable L Interbody Systems – K232530 There are insignificant differences between the subjec…
Biomet Spine (Aka Ebi, LLC)2012—
*K232530Stable-L Standalone Lumbar Interbody System, Stable-C Interbody System
Summary page 5
…Nexus Spine, LLC Tranquil Interbody System – K181483  Biomet Spine Lateral Spacer System – K122989  Nexus Spine, LLC, Stable C and Stable L Interbody Systems – K232530 There are insignificant differences between the subject Tranquil-L Interbody System and the predicate Tranquil-L devices (K18170…
Nexus Spine, LLC2023—

Also cleared against K181702: 1 other device →

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 40 years and passes through 13 companies; a new generation was cleared every 10 months on median.
  • 59 of the 560 ancestors have a recall of any class; 1 has a Class I recall.
  • 1 other device also cites its predicate K181702.

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. 2024, 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 Tranquil-L™ Interbody System is intended for use 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. Patients should have received 6 months of non-operative treatment prior to treatment with the devices. The device must be used with supplemental fixation. These DDD patients may also have up to Grade I spondylolisthesis or retrolisthesis at the involved level(s). It is indicated to be used with autograft bone and/or allograft bone comprised of cancellous and/or corticocancellous bone.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233375: Tranquil-L Interbody System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K233375

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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