510(k) Report

510(k) · Cleared

Cleared

Cylox® ST

K243188510(k) TraditionalCleared Feb 11, 2025134-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

Signus Medizintechnik GmbH · OVE Intervertebral Fusion Device With Integrated Fixation, Cervical

Cleared on Feb 11, 2025 as substantially equivalent to K201646 (SeaSpine Orthopedics Corporation, 2020) after a 134-day review. Its family tree reaches back 20 generations to 1984. 1 of the 263 devices in its family, counting itself, has a Class I recall.

Decided
Feb 11, 2025
Review
134 days
Class
Class II
Product code
OVE
Recalls
None
Predicates
1

Its longest line of descent runs back 20 generations to K841189 (1984). 262 ancestors in all, the oldest K792352 (1979). No later device cites it as a predicate yet. 1 of the 263 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year cleared 2019: 1 other ancestor2018: 1 other ancestor2017: 2 other ancestors2016: 5 other ancestors2011: 18 other ancestors2010: 16 other ancestors2005: 15 other ancestors2004: 23 other ancestors2015: 4 other ancestors2014: 12 other ancestors2013: 12 other ancestors2009: 24 other ancestors2008: 35 other ancestors, 1 with a Class I recall12001: 10 other ancestors2012: 9 other ancestors2007: 15 other ancestors2006: 11 other ancestors2003: 13 other ancestors2002: 8 other ancestors2000: 1 other ancestor1999: 2 other ancestors1996: 2 other ancestors1998: 1 other ancestor1980: 1 other ancestor1979: 1 other ancestorReference device: K241438 · Signus Tetris™ St; Signus Tetris™ R St · Signus Medizintechnik GmbH · 2024K841189 · 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. · 2007×4: 4 generations cleared close together, K072120 (2007), K080083 (2008), K073109 (2008), K081849 (2008) K100043 · Coroent XLR Standalone System · Nuvasive, Inc. · 2010K123045 · Brigade Standalone System · Nuvasive, Inc. · 2013×2: 2 generations cleared close together, K141665 (2015), K151322 (2015) ×2: 2 generations cleared close together, K171046 (2017), K172926 (2017) K183083 · Shoreline Cervical Interbody RT System · SeaSpine Orthopedics Corporation · 2019K201646 · Shoreline ACS (Anterior Cervical System) · SeaSpine Orthopedics Corporation · 202019801990200020102020
Other ancestors, by generation 2 generations back: 1 other ancestor3 generations back: 8 other ancestors4 generations back: 20 other ancestors5 generations back: 45 other ancestors, 1 with a Class I recall16 generations back: 47 other ancestors7 generations back: 58 other ancestors8 generations back: 38 other ancestors9 generations back: 22 other ancestors10 generations back: 3 other ancestors K201646 · Shoreline ACS (Anterior Cervical System) · SeaSpine Orthopedics Corporation · 2020K183083 · Shoreline Cervical Interbody RT System · SeaSpine Orthopedics Corporation · 2019K172926 · SeaSpine Vu cPOD, Zuma-C, Complete Cervical · SeaSpine Orthopedics Corporation · 2017K171046 · SeaSpine Cambria System · SeaSpine Orthopedics Corporation · 2017K151322 · Amendia Interbody Fusion Devices · Amendia, Inc. · 2015 · recalledK141665 · NuVasive CoRoent System · Nuvasive, Inc. · 2015K123045 · Brigade Standalone System · Nuvasive, Inc. · 2013K100043 · Coroent XLR Standalone System · Nuvasive, Inc. · 2010K081849 · Blackstone Pillar SA Partial Vertebral Body Replacement Device · Blackstone Medical, Inc. · 2008 · recalledK073109 · Stalif TT Intervertebral Body Fusion System · Surgicraft, Ltd. · 2008K080083 · Intrepid Spinal System · Medtronic Sofamor Danek · 2008 · recalledK072120 · 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. · 1984−20−15−10−50
  1. Root · 20 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 16 generations between
  3. 3 generations backK172926 SeaSpine Vu cPOD, Zuma-C, Complete CervicalSeaSpine Orthopedics Corporation · 2017
  4. 2 generations backK183083 Shoreline Cervical Interbody RT SystemSeaSpine Orthopedics Corporation · 2019
  5. 1 generation backK201646 Shoreline ACS (Anterior Cervical System)SeaSpine Orthopedics Corporation · 2020
  6. This deviceK243188 Cylox® STSignus Medizintechnik GmbH · 2025
Show all 20 generations
  1. Root · 20 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
  2. 19 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
  3. 18 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
  4. 17 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
  5. 16 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
  6. 15 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
  7. 14 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
  8. 13 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
  9. 12 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
  10. 11 generations backK080083 Intrepid Spinal SystemMedtronic Sofamor Danek · 2008 · Recalled
  11. 10 generations backK073109 Stalif TT Intervertebral Body Fusion SystemSurgicraft, Ltd. · 2008
  12. 9 generations backK081849 Blackstone Pillar SA Partial Vertebral Body Replacement DeviceBlackstone Medical, Inc. · 2008 · Recalled
  13. 8 generations backK100043 Coroent XLR Standalone SystemNuvasive, Inc. · 2010
  14. 7 generations backK123045 Brigade Standalone SystemNuvasive, Inc. · 2013
  15. 6 generations backK141665 NuVasive CoRoent SystemNuvasive, Inc. · 2015
  16. 5 generations backK151322 Amendia Interbody Fusion DevicesAmendia, Inc. · 2015 · Recalled
  17. 4 generations backK171046 SeaSpine Cambria SystemSeaSpine Orthopedics Corporation · 2017
  18. 3 generations backK172926 SeaSpine Vu cPOD, Zuma-C, Complete CervicalSeaSpine Orthopedics Corporation · 2017
  19. 2 generations backK183083 Shoreline Cervical Interbody RT SystemSeaSpine Orthopedics Corporation · 2019
  20. 1 generation backK201646 Shoreline ACS (Anterior Cervical System)SeaSpine Orthopedics Corporation · 2020
  21. This deviceK243188 Cylox® STSignus Medizintechnik GmbH · 2025

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−20K841189Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc.1984—
−19K990148Stackable Cage SystemDepuy Motech Acromed1999—
−18K003043Surgical Titanium Mesh SystemDepuyacromed2001—
−17K022793Tetris Spinal ImplantSignus Medical, LLC2003—
−16K031757Peek Tetris Spinal ImplantSignus Medical, LLC2003—
−15K041888Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH2004—
−14K042930Spacevision Cage SystemSpine Vision, Inc.2004—
−13K062759Paramount VBR SystemInnovative Spinal Technologies, Inc.2007—
−12K072120Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc.2007—
−11K080083Intrepid Spinal SystemMedtronic Sofamor Danek20088
−10K073109Stalif TT Intervertebral Body Fusion SystemSurgicraft, Ltd.2008—
−9K081849Blackstone Pillar SA Partial Vertebral Body Replacement DeviceBlackstone Medical, Inc.20081
−8K100043Coroent XLR Standalone SystemNuvasive, Inc.2010—
−7K123045Brigade Standalone SystemNuvasive, Inc.2013—
−6K141665NuVasive CoRoent SystemNuvasive, Inc.2015—
−5K151322Amendia Interbody Fusion DevicesAmendia, Inc.20151
−4K171046SeaSpine Cambria SystemSeaSpine Orthopedics Corporation2017—
−3K172926SeaSpine Vu cPOD, Zuma-C, Complete CervicalSeaSpine Orthopedics Corporation2017—
−2K183083Shoreline Cervical Interbody RT SystemSeaSpine Orthopedics Corporation2019—
−1K201646Shoreline ACS (Anterior Cervical System)SeaSpine Orthopedics Corporation2020—
0 (this device)K243188Cylox® STSignus Medizintechnik GmbH2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198010
199620
199810
199920
200010
2001100
200280
2003130
2004230
2005150
2006110
2007150
2008351
2009240
2010160
2011180
201290
2013120
2014120
201540
201650
201720
201810
201910
FIG. 1 — Lineage of K243188, 1984–2025Source: 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 OVE device

  1. #1 K241846 E3D™-C Interbody Systemscore 32.1 · 32 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? (1)

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
*K201646Shoreline ACS (Anterior Cervical System)
Summary page 5
…II Reviewing Panel: Orthopedic Product Code: OVE, ODP Primary Predicate Device: K201646 – Shoreline® ACS (Anterior Cervical System) Reference Device: K241438 – SIGNUS TETRIS™ ST, TETRIS™ R ST Dev…
SeaSpine Orthopedics Corporation2020—
†K241438Signus Tetris™ St; Signus Tetris™ R StSignus Medizintechnik GmbH2024—

Also cleared against K201646: 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 41 years and passes through 13 companies; a new generation was cleared every 1.6 years on median.
  • 29 of the 262 ancestors have a recall of any class; 1 has a Class I recall.
  • 1 other device also cites its predicate K201646.

How does its category compare?

All OVE devices

OVE Intervertebral Fusion Device With Integrated Fixation, Cervical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · OVE

10in 2025

2007: 12008: 42009: 12010: 42011: 82012: 72013: 52014: 112015: 122016: 152017: 92018: 72019: 72020: 132021: 102022: 102023: 162024: 62025: 102026 (partial year): 13
2007high 16 (2023) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OVE

105in 2025

2008: 131 days median2010: 210 days median2011: 139 days median2012: 125 days median2013: 71 days median2014: 168 days median2015: 113 days median2016: 149 days median2017: 100 days median2018: 105 days median2019: 87 days median2020: 149 days median2021: 93 days median2022: 144 days median2023: 97 days median2024: 56 days median2025: 105 days median2026 (partial year): 66 days median
2007high 210 (2010) · low 56 (2024)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · OVE

2in 2021

2013: 12014: 12015: 12016: 12017: 12021: 2
2007high 2 (2021) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · OVE

132in 2025

2010: 22011: 192012: 592013: 2502014: 1502015: 1732016: 1452017: 1342018: 2102019: 1692020: 1622021: 1862022: 2002023: 1482024: 1422025: 132
2007high 250 (2013) · low 0 (2007)2025

MAUDE reports naming product code OVE, 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
20071—00
2008413100
20091—00
2010421002
20118139019
20127125059
20135711250
2014111681150
2015121131173
2016151491145
201791001134
201871050210
20197870169
2020131490162
202110932186
2022101440200
202316970148
20246560142
2025101050132
202613660—

What is it indicated for?

The CYLOX® ST implants are interbody fusion devices intended for anterior cervical interbody fusion procedures in skeletally mature patients with degenerative disc disease (DDD) of the cervical spine. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. The cervical device is to be used in patients who have had at least six (6) weeks of non-operative treatment. The devices are to be used with…

Read the full statement (171 words)

The CYLOX® ST implants are interbody fusion devices intended for anterior cervical interbody fusion procedures in skeletally mature patients with degenerative disc disease (DDD) of the cervical spine. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies.

The cervical device is to be used in patients who have had at least six (6) weeks of non-operative treatment. The devices are to be used with autograft bone graft composed of cancellous, cortical, and / or corticocancellous bone and implanted via an anterior approach.

When used as a standalone system, CYLOX® ST is intended to be used as an adjunct to spinal fusion procedures at one level (C3-T1) and must be used with the CYLOX® ST bone screw fixation or connecting plate and must be secured with the corresponding locking screw.

When used with supplemental fixation, such as anterior cervical plates, CYLOX® ST is intended to be used as an adjunct to spinal fusion procedures at one or two levels of the cervical spine (C3-T1).

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K243188: Cylox® ST.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243188

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