510(k) Report

510(k) · Cleared

Recalled · 2008

Modification to Cyclone Anterior Cervical Plate System

K040397510(k) SpecialCleared May 6, 200479-day reviewClass II21 CFR 888.3060Recalls 32

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Encore Medical L.P. · KWQ Appliance, Fixation, Spinal Intervertebral Body

Cleared on May 6, 2004 as substantially equivalent to K031214 (Encore Medical L.P., 2003) after a 79-day review. Its family tree reaches back 4 generations to 1993. It has been recalled 32 times.

Decided
May 6, 2004
Review
79 days
Class
Class II
Product code
KWQ
Recalls
32
Predicates
1

Its longest line of descent runs back 4 generations to K926453 (1993). 8 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK926453 Synthes (U.S.a.) Anterior Cervical Vertebrae PlateSynthes (Usa) · 1993
  2. 3 generations backK971883 Synthes Spine Small Stature Anterior Cervical Vertebrae Plate SystemSynthes (Usa) · 1997 · Recalled
  3. 2 generations backK022344 Trinica Select Anterior Cervical Plate SystemCenterpulse Spine-Tech, Inc. · 2002 · Recalled
  4. 1 generation backK031214 Cyclone Anterior Cervical Plate SystemEncore Medical L.P. · 2003 · Recalled
  5. This deviceK040397 Modification to Cyclone Anterior Cervical Plate SystemEncore Medical L.P. · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K926453Synthes (U.S.a.) Anterior Cervical Vertebrae PlateSynthes (Usa)1993—
−3K971883Synthes Spine Small Stature Anterior Cervical Vertebrae Plate SystemSynthes (Usa)19971
−2K022344Trinica Select Anterior Cervical Plate SystemCenterpulse Spine-Tech, Inc.20021
−1K031214Cyclone Anterior Cervical Plate SystemEncore Medical L.P.200332
0 (this device)K040397Modification to Cyclone Anterior Cervical Plate SystemEncore Medical L.P.2004—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199810
200010
200110
FIG. 1 — Lineage of K040397, 1993–2004Source: 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.

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. #1 K233640 Segmental Plating System (SPS);IdentiTi SPS…score 21.9 · 31 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K031214Cyclone Anterior Cervical Plate System
Summary page 1
…nce: The Cvcloner T Anterior Cervical Plate System is similar in design, indications and materials to Cyclone"' Anterior Cervical Plate System (K031214). DEPARTMENT OF HEALTH & HUMAN SERVICES Public Health Service…
Encore Medical L.P.200332

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 26, 2008Not classifiedZ-1727-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1747-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1742-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1721-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1726-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1738-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1732-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1728-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1717-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1718-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1745-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1730-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1729-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1734-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1744-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1740-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1735-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1741-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1746-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1748-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1739-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1743-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1733-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1737-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1719-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1731-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1725-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1722-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1736-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1723-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1720-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.
Mar 26, 2008Not classifiedZ-1724-2008Device DesignThe screw locking cap may fracture when the surgeon rotates it into the locked position.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 11 years and passes through 3 companies; a new generation was cleared every 4.0 years on median.
  • 3 of the 8 ancestors have a recall of any class.

How does its category compare?

All KWQ devices

KWQ Appliance, Fixation, Spinal Intervertebral Body: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KWQ

7in 2025

2007: 272008: 322009: 232010: 232011: 222012: 262013: 222014: 172015: 252016: 152017: 202018: 222019: 262020: 262021: 172022: 182023: 162024: 172025: 72026 (partial year): 10
2007high 32 (2008) · low 7 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWQ

64in 2025

2007: 101 days median2008: 70 days median2009: 90 days median2010: 104 days median2011: 95 days median2012: 90 days median2013: 88 days median2014: 124 days median2015: 102 days median2016: 121 days median2017: 67 days median2018: 95 days median2019: 81 days median2020: 55 days median2021: 59 days median2022: 85 days median2023: 59 days median2024: 64 days median2025: 64 days median2026 (partial year): 76 days median
2007high 124 (2014) · low 55 (2020)2026

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

Recalls per year · KWQ

1in 2018

2007: 22008: 332009: 352010: 22011: 52012: 72013: 62015: 22016: 92017: 82018: 1
2007high 35 (2009) · low 0 (2014)2026

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

Adverse event reports per year · KWQ

248in 2025

2007: 2882008: 3482009: 3552010: 6912011: 4152012: 5442013: 7962014: 5462015: 5622016: 5022017: 4922018: 3412019: 2982020: 4002021: 5912022: 3922023: 3202024: 4192025: 248
2007high 796 (2013) · low 248 (2025)2025

MAUDE reports naming product code KWQ, 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
2007271012288
2008327033348
2009239035355
2010231042691
201122955415
201226907544
201322886796
2014171240546
2015251022562
2016151219502
201720678492
201822951341
201926810298
202026550400
202117590591
202218850392
202316590320
202417640419
20257640248
202610760—

What is it indicated for?

The Cyclone TM Anterior Cervical Plate is a unilateral fixation device intended to provide stabilization during the process of cervical spinal fusion (C2-C7) in patients with degenerative disc disease (as defined by neck pain of discogenic origin 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.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040397: Modification to Cyclone Anterior Cervical Plate System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K040397

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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