510(k) · Cleared
ClearedCervical Spine Truss System Plating Solution (CSTS-PS)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
4Web Medical, Inc. · KWQ Appliance, Fixation, Spinal Intervertebral Body
Cleared on May 17, 2022 as substantially equivalent to K131025 (Nuvasive, Inc., 2013) and 3 other predicates after a 279-day review. Its family tree reaches back 24 generations to 1984.
- Decided
- May 17, 2022
- Review
- 279 days
- Class
- Class II
- Product code
- KWQ
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 24 generations to K841189 (1984). 434 ancestors in all, the oldest K792352 (1979). No later device cites it as a predicate yet.
- Root · 24 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 20 generations between
- 3 generations backK171496 Tritanium C Anterior Cervical CageStryker Spine · 2017
- 2 generations backK173159 Cervical Spinal Truss System (CSTS) Interbody Fusion Device4Web, Inc. · 2018
- 1 generation backK190870 Cervical Spinal Truss System-Stand Alone (CSTS-SA)4Web, Inc. · 2019
- This deviceK212527 Cervical Spine Truss System Plating Solution (CSTS-PS)4Web Medical, Inc. · 2022
Show all 24 generations
- Root · 24 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 23 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
- 22 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
- 21 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
- 20 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
- 19 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
- 18 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
- 17 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
- 16 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
- 15 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
- 14 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
- 13 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
- 12 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
- 11 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
- 10 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
- 9 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
- 8 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
- 7 generations backK143616 AccuLIF TL and PL CageStryker Corporation · 2015 · Recalled
- 6 generations backK152304 Tritanium PL CageStryker · 2015 · Recalled
- 5 generations backK160955 Tritanium® PL CageStryker · 2016
- 4 generations backK162262 Tritanium® PL CageStryker · 2016
- 3 generations backK171496 Tritanium C Anterior Cervical CageStryker Spine · 2017
- 2 generations backK173159 Cervical Spinal Truss System (CSTS) Interbody Fusion Device4Web, Inc. · 2018
- 1 generation backK190870 Cervical Spinal Truss System-Stand Alone (CSTS-SA)4Web, Inc. · 2019
- This deviceK212527 Cervical Spine Truss System Plating Solution (CSTS-PS)4Web Medical, Inc. · 2022
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −24 | K841189 | Oec/Rezaian Spinal Fixator | Orthopedic Equipment Co., Inc. | 1984 | — |
| −23 | K990148 | Stackable Cage System | Depuy Motech Acromed | 1999 | — |
| −22 | K003043 | Surgical Titanium Mesh System | Depuyacromed | 2001 | — |
| −21 | K022793 | Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −20 | K031757 | Peek Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −19 | K041888 | Curved Peek Tetris Spinal Implant | Signus Medizintechnik GmbH | 2004 | — |
| −18 | K042930 | Spacevision Cage System | Spine Vision, Inc. | 2004 | — |
| −17 | K062759 | Paramount VBR System | Innovative Spinal Technologies, Inc. | 2007 | — |
| −16 | K072120 | Paramount Intervertebral Body Fusion Device | Innovative Spinal Technologies, Inc. | 2007 | — |
| −15 | K073291 | Capstone Spinal System | Medtronic Sofamor Danek USA, Inc. | 2008 | — |
| −14 | K094025 | Crescent Spinal System | Medtronic Sofamor Danek | 2010 | — |
| −13 | K110543 | Crescent (R) Spinal System Titanium | Medtronic Sofamor Danek USA, Inc. | 2011 | — |
| −12 | K121683 | Acculif TL Cage | Coalign Innovations, Inc. | 2012 | — |
| −11 | K123752 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | — |
| −10 | K132505 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | 3 |
| −9 | K141217 | Acculif TL and PL Cage | Stryker Corporation | 2014 | 3 |
| −8 | K143163 | AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK… | Stryker Corporation | 2015 | — |
| −7 | K143616 | AccuLIF TL and PL Cage | Stryker Corporation | 2015 | 4 |
| −6 | K152304 | Tritanium PL Cage | Stryker | 2015 | 1 |
| −5 | K160955 | Tritanium® PL Cage | Stryker | 2016 | — |
| −4 | K162262 | Tritanium® PL Cage | Stryker | 2016 | — |
| −3 | K171496 | Tritanium C Anterior Cervical Cage | Stryker Spine | 2017 | — |
| −2 | K173159 | Cervical Spinal Truss System (CSTS) Interbody Fusion Device | 4Web, Inc. | 2018 | — |
| −1 | K190870 | Cervical Spinal Truss System-Stand Alone (CSTS-SA) | 4Web, Inc. | 2019 | — |
| 0 (this device) | K212527 | Cervical Spine Truss System Plating Solution (CSTS-PS) | 4Web Medical, Inc. | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1988 | 1 | 0 |
| 1990 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 18 | 0 |
| 2002 | 18 | 0 |
| 2003 | 20 | 0 |
| 2004 | 36 | 0 |
| 2005 | 23 | 0 |
| 2006 | 20 | 0 |
| 2007 | 26 | 0 |
| 2008 | 48 | 0 |
| 2009 | 32 | 0 |
| 2010 | 24 | 0 |
| 2011 | 25 | 0 |
| 2012 | 17 | 0 |
| 2013 | 17 | 0 |
| 2014 | 13 | 0 |
| 2015 | 9 | 0 |
| 2016 | 4 | 0 |
| 2017 | 1 | 0 |
| 2019 | 1 | 0 |
| 2021 | 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.
Planning a device in KWQ? 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 KWQ device
- #1 K233640 Segmental Plating System (SPS);IdentiTi SPS…score 21.9 · 31 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K131025 | Archon Anterior Cervical Plate SystemSummary page 6…K212527 Predicate Device(s): The primary predicate device is the Nuvasive Archon Anterior Cervical Plate System (K131025). Additional predicates include the 4WEB Lumbar Spine Truss System Plating Solution (K203065), 4WEB Cervical Spine Truss System (… | 2013 |
| * | K203065 | Lumbar Spine Truss System Plating Solution (LSTS-PS)Summary page 6…mary predicate device is the Nuvasive Archon Anterior Cervical Plate System (K131025). Additional predicates include the 4WEB Lumbar Spine Truss System Plating Solution (K203065), 4WEB Cervical Spine Truss System (K173159), and 4WEB Cervical Spine Truss System-Stand Alone (K190870). Performance Standards… | 2021 |
| * | K173159 | Cervical Spinal Truss System (CSTS) Interbody Fusion DeviceSummary page 6…Anterior Cervical Plate System (K131025). Additional predicates include the 4WEB Lumbar Spine Truss System Plating Solution (K203065), 4WEB Cervical Spine Truss System (K173159), and 4WEB Cervical Spine Truss System-Stand Alone (K190870). Performance Standards: 4WEB has conducted static compression bend… | 2018 |
| * | K190870 | Cervical Spinal Truss System-Stand Alone (CSTS-SA)Summary page 6…ates include the 4WEB Lumbar Spine Truss System Plating Solution (K203065), 4WEB Cervical Spine Truss System (K173159), and 4WEB Cervical Spine Truss System-Stand Alone (K190870). Performance Standards: 4WEB has conducted static compression bending, dynamic compression bending, static torsion, and screw… | 2019 |
What descends from it?
No later submission names this one as a predicate yet.
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 38 years and passes through 15 companies; a new generation was cleared every 10 months on median.
- 49 of the 434 ancestors have a recall of any class.
- 2 other devices also cite its predicate K131025.
How does its category compare?
All KWQ devicesKWQ Appliance, Fixation, Spinal Intervertebral Body: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · KWQ
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KWQ
64in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWQ
1in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWQ
248in 2025
MAUDE reports naming product code KWQ, 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 | 27 | 101 | 2 | 288 |
| 2008 | 32 | 70 | 33 | 348 |
| 2009 | 23 | 90 | 35 | 355 |
| 2010 | 23 | 104 | 2 | 691 |
| 2011 | 22 | 95 | 5 | 415 |
| 2012 | 26 | 90 | 7 | 544 |
| 2013 | 22 | 88 | 6 | 796 |
| 2014 | 17 | 124 | 0 | 546 |
| 2015 | 25 | 102 | 2 | 562 |
| 2016 | 15 | 121 | 9 | 502 |
| 2017 | 20 | 67 | 8 | 492 |
| 2018 | 22 | 95 | 1 | 341 |
| 2019 | 26 | 81 | 0 | 298 |
| 2020 | 26 | 55 | 0 | 400 |
| 2021 | 17 | 59 | 0 | 591 |
| 2022 | 18 | 85 | 0 | 392 |
| 2023 | 16 | 59 | 0 | 320 |
| 2024 | 17 | 64 | 0 | 419 |
| 2025 | 7 | 64 | 0 | 248 |
| 2026 | 10 | 76 | 0 | — |
What is it indicated for?
The Cervical Spine Truss System Plating Solution (CSTS-PS) is intended for anterior interbody screw fixation of the cervical spine at levels C2-T1. The Cervical Spine Truss System Plating Solution (CSTS-PS) is indicated for use in temporary stabilization of the anterior spine during the development of cervical spinal fusions in patients with degenerative disc disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by…
Read the full statement (111 words)
The Cervical Spine Truss System Plating Solution (CSTS-PS) is intended for anterior interbody screw fixation of the cervical spine at levels C2-T1.
The Cervical Spine Truss System Plating Solution (CSTS-PS) is indicated for use in temporary stabilization of the anterior spine during the development of cervical spinal fusions in patients with degenerative disc disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies), trauma (including fractures), tumors, deformity (defined as kyphosis, lordosis or scoliosis), pseudoarthrosis and/or failed previous fusions.
WARNING: This device is not approved for screw attachment to the posterior elements (pedicles) of the cervical, thoracic, or lumbar spine.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K212527 · printed Nov 6, 2026
Cite this page
510(k) Report. “K212527: Cervical Spine Truss System Plating Solution (CSTS-PS).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K212527
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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