510(k) Report

510(k) · Cleared

Cleared

LATERAL Spine Truss System

K153436510(k) TraditionalCleared Jun 6, 2016192-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

4Web, Inc. · MAX Intervertebral Fusion Device With Bone Graft, Lumbar

Cleared on Jun 6, 2016 as substantially equivalent to K112316 (4-Web, Inc., 2011) and 3 other predicates after a 192-day review. Its family tree reaches back 15 generations to 1984. 1 of the 107 devices in its family, counting itself, has a Class I recall. 5 later devices descend from it.

Decided
Jun 6, 2016
Review
192 days
Class
Class II
Product code
MAX
Recalls
None
Predicates
4

Its longest line of descent runs back 15 generations to K841189 (1984). 101 ancestors in all. 5 later devices descend from it, 2 citing it directly. 1 of the 107 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2013: 1 other ancestor2011: 6 other ancestors2012: 2 other ancestors2010: 3 other ancestors2009: 3 other ancestors2008: 9 other ancestors, 1 with a Class I recall12007: 9 other ancestors2003: 13 other ancestors1999: 2 other ancestors1996: 2 other ancestors2004: 12 other ancestors2002: 8 other ancestors2001: 9 other ancestors2006: 1 other ancestor2005: 5 other ancestors2000: 1 other ancestor2017: 1 descendant cleared2022: 1 descendant cleared2021: 1 descendant cleared2023: 1 descendant cleared2024: 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) 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. · 201519801990200020102020
  1. Root · 15 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 11 generations between
  3. 3 generations backK130699 Aleutian Spinal SystemK2m, Inc. · 2013
  4. 2 generations backK133614 Aleutian Ibf SystemK2m, Inc. · 2014
  5. 1 generation backK143258 PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)4Web, Inc. · 2015
  6. This deviceK153436 LATERAL Spine Truss System4Web, Inc. · 2016
  7. Descendant · cites it directly · 2 of its ownK220523 restor3d TiDAL Lumbar Interbody Fusion DeviceRestor3D · 2022
  8. Descendant · cites it directly · 1 of its ownK172392 Lateral Spinal Truss System (LSTS) Interbody Fusion Device4Web, Inc. · 2017
  9. Descendant · 2 generations on · 0 of its ownK234087 restor3d TIDAL Lumbar Interbody Fusion SystemRestor3D · 2024
  10. Descendant · 2 generations on · 0 of its ownK223326 Axiom PSR SystemRestor3D · 2023 · Recalled
  11. Descendant · 2 generations on · 0 of its ownK211388 Lateral Spine Truss System (LSTS) Interbody Fusion Device4Web Medical, Inc. · 2021
Show all 15 generations
  1. Root · 15 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 14 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
  3. 13 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
  4. 12 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
  5. 11 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
  6. 10 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
  7. 9 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
  8. 8 generations backK051454 Aleutian Spacer SystemK2m, LLC · 2005
  9. 7 generations backK063399 Aleutian Spacer SystemK2m, Inc. · 2007
  10. 6 generations backK082698 Aleutian Ibf SystemK2m, Inc. · 2009
  11. 5 generations backK101302 Aleutian Ibf SystemK2m, Inc. · 2010
  12. 4 generations backK103169 AleuttianK2m, Inc. · 2011
  13. 3 generations backK130699 Aleutian Spinal SystemK2m, Inc. · 2013
  14. 2 generations backK133614 Aleutian Ibf SystemK2m, Inc. · 2014
  15. 1 generation backK143258 PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)4Web, Inc. · 2015
  16. This deviceK153436 LATERAL Spine Truss System4Web, Inc. · 2016

Class I recalls in this family

Most influential descendants

Showing 5 of 5 · See all
  • K220523restor3d TiDAL Lumbar Interbody Fusion DeviceRestor3D · 2022 · cites it directly2descendants
  • K172392Lateral Spinal Truss System (LSTS) Interbody Fusion Device4Web, Inc. · 2017 · cites it directly1descendant
  • K234087restor3d TIDAL Lumbar Interbody Fusion SystemRestor3D · 2024 · 2 generations on0descendants
  • K223326Axiom PSR SystemRestor3D · 2023 · 2 generations on0descendants
  • K211388Lateral Spine Truss System (LSTS) Interbody Fusion Device4Web Medical, Inc. · 2021 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−15K841189Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc.1984—
−14K990148Stackable Cage SystemDepuy Motech Acromed1999—
−13K003043Surgical Titanium Mesh SystemDepuyacromed2001—
−12K022793Tetris Spinal ImplantSignus Medical, LLC2003—
−11K031757Peek Tetris Spinal ImplantSignus Medical, LLC2003—
−10K041888Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH2004—
−9K042930Spacevision Cage SystemSpine Vision, Inc.2004—
−8K051454Aleutian Spacer SystemK2m, LLC2005—
−7K063399Aleutian Spacer SystemK2m, Inc.2007—
−6K082698Aleutian Ibf SystemK2m, Inc.2009—
−5K101302Aleutian Ibf SystemK2m, Inc.2010—
−4K103169AleuttianK2m, Inc.2011—
−3K130699Aleutian Spinal SystemK2m, Inc.2013—
−2K133614Aleutian Ibf SystemK2m, Inc.2014—
−1K143258PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)4Web, Inc.2015—
0 (this device)K153436LATERAL Spine Truss System4Web, Inc.2016—
+1K220523restor3d TiDAL Lumbar Interbody Fusion DeviceRestor3D2022—
+1K172392Lateral Spinal Truss System (LSTS) Interbody Fusion Device4Web, Inc.2017—
+2K234087restor3d TIDAL Lumbar Interbody Fusion SystemRestor3D2024—
+2K223326Axiom PSR SystemRestor3D20231
+2K211388Lateral Spine Truss System (LSTS) Interbody Fusion Device4Web Medical, Inc.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199620
199920
200010
200190
200280
2003130
2004120
200550
200610
200790
200891
200930
201030
201160
201220
201310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
202110
202210
202310
202410
FIG. 1 — Lineage of K153436, 1984–2024Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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? (4)

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
*K1123164-Web Alif Spinal Truss System (STS)
Summary page 4
…The implant is made from Ti6Al4V alloy (ASTM F-1108). Predicate Device(s): The 4WEB LATERAL STS is substantially equivalent to the primary predicate, the 4WEB ALIF STS (K112316). Additional predicated devices are the 4WEB PSTS (K143258), 4WEB ALIF STS (K083894), and Medtronic Clydesdale Spinal System (K13…
4-Web, Inc.20111
*K143258PLIF STS, TLIF STS, OLIF STS (Spinal Truss System)
Summary page 4
…icate Device(s): The 4WEB LATERAL STS is substantially equivalent to the primary predicate, the 4WEB ALIF STS (K112316). Additional predicated devices are the 4WEB PSTS (K143258), 4WEB ALIF STS (K083894), and Medtronic Clydesdale Spinal System (K132897). Performance Standards: Validated FEA, comparing the…
4Web, Inc.2015—
*K083894Alif Spinal Truss Interbody Fusion Device
Summary page 4
…LATERAL STS is substantially equivalent to the primary predicate, the 4WEB ALIF STS (K112316). Additional predicated devices are the 4WEB PSTS (K143258), 4WEB ALIF STS (K083894), and Medtronic Clydesdale Spinal System (K132897). Performance Standards: Validated FEA, comparing the subject device to PLIF S…
4-Web Spine, LLC2011—
*K132897Clydesdale Spinal System
Summary page 4
…imary predicate, the 4WEB ALIF STS (K112316). Additional predicated devices are the 4WEB PSTS (K143258), 4WEB ALIF STS (K083894), and Medtronic Clydesdale Spinal System (K132897). Performance Standards: Validated FEA, comparing the subject device to PLIF STS (K143258), was conducted to evaluate the mechan…
Medtronic Sofamor Danek, Inc.2013—

Also cleared against K112316: 10 other devices →

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K220523restor3d TiDAL Lumbar Interbody Fusion DeviceRestor3D20222
K172392Lateral Spinal Truss System (LSTS) Interbody Fusion Device4Web, Inc.20171

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 · 3 generations back · ◆ in the 2008 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 32 years and passes through 9 companies; a new generation was cleared every 1.2 years on median.
  • 15 of the 101 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K220523 (Restor3D, 2022) has gone furthest, with 2 descendants of its own.
  • 10 other devices also cite its predicate K112316.

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. 2016, 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 Lateral Spine Truss System (STS) is indicated for use in skeletally mature patients with Degenerative Disc Disease (DDD) at one or two contiguous levels from L2-L5. 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 and must be used with autograft bone. These DDD patients may also have up to Grade I spondylolisthesis or retrolisthesis at the involved level(s).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K153436: LATERAL Spine Truss System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K153436

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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