510(k) Report

510(k) · Cleared

Cleared

Howmedica Osteonics Accp System Cortical Screws

K993181510(k) SpecialCleared Oct 22, 199929-day reviewClass II21 CFR 888.3060

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

Howmedica Osteonics Corp. · KWQ Appliance, Fixation, Spinal Intervertebral Body

Cleared on Oct 22, 1999 after a 29-day review. The FDA summary names its predicate without a number. 14 later devices descend from it.

Decided
Oct 22, 1999
Review
29 days
Class
Class II
Product code
KWQ
Recalls
None
Predicates
0

14 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2004: 1 descendant cleared2010: 1 descendant cleared2007: 1 descendant cleared2008: 1 descendant cleared2014: 1 descendant cleared2012: 1 descendant cleared2023: 1 descendant cleared2018: 1 descendant cleared2020: 1 descendant cleared2021: 1 descendant cleared2025: 2 descendants cleared2024: 1 descendant cleared2026: 1 descendant cleared1995200020052010201520202025
  1. This deviceK993181 Howmedica Osteonics Accp System Cortical ScrewsHowmedica Osteonics Corp. · 1999
  2. Descendant · cites it directly · 13 of its ownK040017 Abc Caudal and Cranial Extension Plate (E-Plate)Aesculap, Inc. · 2004
  3. Descendant · 2 generations on · 10 of its ownK100243 Quintex Cervical Plating SystemAesculap Implant Systems, LLC · 2010 · Recalled
  4. Descendant · 3 generations on · 8 of its ownK141993 Nakoma AcpAlliance Partners, LLC · 2014 · Recalled
  5. Descendant · 4 generations on · 3 of its ownK231766 Skyway Anterior Cervical Plate SystemKyocera Medical Technologies Inc. (KMTI) · 2023
  6. Descendant · 5 generations on · 2 of its ownK243015 Skyway Anterior Cervical Plate SystemKyocera Medical Technologies, Inc. · 2024

Showing 5 of 14 descendants. See all descendants

Descendants cleared per year

2004: 12007: 12008: 12010: 12012: 12014: 12018: 12020: 12021: 12023: 12024: 12025: 22026: 1
2004high 2 (2025) · low 0 (2005)2026

Most influential descendants

Showing 5 of 14 · See all
  • K040017Abc Caudal and Cranial Extension Plate (E-Plate)Aesculap, Inc. · 2004 · cites it directly13descendants
  • K100243Quintex Cervical Plating SystemAesculap Implant Systems, LLC · 2010 · 2 generations on10descendants
  • K141993Nakoma AcpAlliance Partners, LLC · 2014 · 3 generations on8descendants
  • K231766Skyway Anterior Cervical Plate SystemKyocera Medical Technologies Inc. (KMTI) · 2023 · 4 generations on3descendants
  • K243015Skyway Anterior Cervical Plate SystemKyocera Medical Technologies, Inc. · 2024 · 5 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K993181Howmedica Osteonics Accp System Cortical ScrewsHowmedica Osteonics Corp.1999—
+1K040017Abc Caudal and Cranial Extension Plate (E-Plate)Aesculap, Inc.2004—
+2K100243Quintex Cervical Plating SystemAesculap Implant Systems, LLC20101
+3K141993Nakoma AcpAlliance Partners, LLC20141
+4K231766Skyway Anterior Cervical Plate SystemKyocera Medical Technologies Inc. (KMTI)2023—
+5K243015Skyway Anterior Cervical Plate SystemKyocera Medical Technologies, Inc.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200710
200810
201010
201210
201410
201810
202010
202110
202310
202410
202520
202610
FIG. 1 — Lineage of K993181, 1999–2026Source: 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
*—Howmedica Osteonics® ACCP System cortical bone screws
Named without a submission number
—

What descends from it? (14)

See all 14

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K040017Abc Caudal and Cranial Extension Plate (E-Plate)Aesculap, Inc.200413

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?

  • Of its descendants, K040017 (Aesculap, Inc., 2004) has gone furthest, with 13 descendants of its own.

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 indications for the use of the Howmedica Osteonics® ACCP System are as follows:

degenerative disc disease (neck pain of discogenic origin with degeneration of the disc confirmed by patient history and radiographic studies).

decompression of the spinal cord following total or partial cervical vertebrectomy

trauma (fractures)

tumors

pseudarthrosis

failed previous fusions

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. “K993181: Howmedica Osteonics Accp System Cortical Screws.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K993181

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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