510(k) Report

510(k) · Cleared

Cleared

Howmedica and Howmedica Leibinger Bone Screw Washers

K980364510(k) TraditionalCleared Apr 29, 199890-day reviewClass II21 CFR 888.3040

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

Howmedica Corp. · HWC Screw, Fixation, Bone

Cleared on Apr 29, 1998 after a 90-day review. The FDA summary names its predicate without a number. 82 later devices descend from it.

Decided
Apr 29, 1998
Review
90 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
0

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

Descendants, by year cleared 2006: 1 descendant cleared2013: 4 descendants cleared2018: 5 descendants cleared2008: 1 descendant cleared2014: 6 descendants cleared2026: 7 descendants cleared2019: 4 descendants cleared2009: 1 descendant cleared2010: 2 descendants cleared2012: 1 descendant cleared2022: 7 descendants cleared2016: 1 descendant cleared2023: 7 descendants cleared2021: 3 descendants cleared2025: 6 descendants cleared2011: 1 descendant cleared2024: 15 descendants cleared2017: 7 descendants cleared2020: 3 descendants cleared1995200020052010201520202025
  1. This deviceK980364 Howmedica and Howmedica Leibinger Bone Screw WashersHowmedica Corp. · 1998
  2. Descendant · cites it directly · 81 of its ownK062498 Profyle SystemHowmedica Osteonics Corp. · 2006 · Recalled
  3. Descendant · 2 generations on · 61 of its ownK073527 Variax Elbow SystemHowmedica Osteonics Corp. · 2008
  4. Descendant · 3 generations on · 58 of its ownK101056 Variax Elbow SystemHowmedica Osteonics Corp. · 2010
  5. Descendant · 3 generations on · 40 of its ownK113760 Variax Superior and Anterior, Lateral and Midshaft Clavicle Plates…Howmedica Osteonics Corp., Dba Stryker Orthopaedics · 2012
  6. Descendant · 3 generations on · 21 of its ownK132502 Variax 2 SystemStryker Trauma AG · 2013

Showing 5 of 82 descendants. See all descendants

Descendants cleared per year

2006: 12008: 12009: 12010: 22011: 12012: 12013: 42014: 62016: 12017: 72018: 52019: 42020: 32021: 32022: 72023: 72024: 152025: 62026: 7
2006high 15 (2024) · low 0 (2007)2026

Most influential descendants

Showing 5 of 82 · See all
  • K062498Profyle SystemHowmedica Osteonics Corp. · 2006 · cites it directly81descendants
  • K073527Variax Elbow SystemHowmedica Osteonics Corp. · 2008 · 2 generations on61descendants
  • K101056Variax Elbow SystemHowmedica Osteonics Corp. · 2010 · 3 generations on58descendants
  • K113760Variax Superior and Anterior, Lateral and Midshaft Clavicle Plates Variax Aiming Blocks…Howmedica Osteonics Corp., Dba Stryker Orthopaedics · 2012 · 3 generations on40descendants
  • K132502Variax 2 SystemStryker Trauma AG · 2013 · 3 generations on21descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K980364Howmedica and Howmedica Leibinger Bone Screw WashersHowmedica Corp.1998—
+1K062498Profyle SystemHowmedica Osteonics Corp.20061
+2K073527Variax Elbow SystemHowmedica Osteonics Corp.2008—
+3K101056Variax Elbow SystemHowmedica Osteonics Corp.2010—
+3K113760Variax Superior and Anterior, Lateral and Midshaft Clavicle Plates Variax…Howmedica Osteonics Corp., Dba Stryker Orthopaedics2012—
+3K132502Variax 2 SystemStryker Trauma AG2013—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
200810
200910
201020
201110
201210
201340
201460
201610
201770
201850
201940
202030
202130
202270
202370
2024150
202560
202670
FIG. 1 — Lineage of K980364, 1998–2026Source: 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.

Planning a device in HWC? 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 HWC device

  1. #1 K203011 Monster Screw Systemscore 22.2 · 14 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? (5)

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’s Large Cancellous Washer
Named without a submission number
—
*—Vitallium Washer
Named without a submission number
—
*—ICS Mini and Small Fregment Set Washer
Named without a submission number
—
*—Synthes® Mini Fragment Implant Set Washer
Named without a submission number
—
*—Schuhli Washer
Named without a submission number
—

What descends from it? (82)

See all 82

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

NumberDeviceApplicantDecidedDescendants
K062498Profyle SystemHowmedica Osteonics Corp.200681

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, K062498 (Howmedica Osteonics Corp., 2006) has gone furthest, with 81 descendants of its own.

How does its category compare?

All HWC devices

HWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HWC

15in 2025

2007: 352008: 332009: 272010: 232011: 352012: 202013: 252014: 312015: 412016: 262017: 402018: 202019: 302020: 282021: 262022: 262023: 242024: 172025: 152026 (partial year): 21
2007high 41 (2015) · low 15 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HWC

111in 2025

2007: 77 days median2008: 76 days median2009: 113 days median2010: 110 days median2011: 88 days median2012: 99 days median2013: 90 days median2014: 88 days median2015: 85 days median2016: 131 days median2017: 127 days median2018: 106 days median2019: 108 days median2020: 75 days median2021: 84 days median2022: 167 days median2023: 104 days median2024: 90 days median2025: 111 days median2026 (partial year): 125 days median
2007high 167 (2022) · low 75 (2020)2026

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

Recalls per year · HWC

1in 2025

2007: 252008: 332009: 292010: 72011: 122012: 302013: 142014: 22015: 52016: 42017: 42018: 12019: 52020: 42021: 22022: 132025: 12026 (partial year): 2
2007high 33 (2008) · low 0 (2023)2026

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

Adverse event reports per year · HWC

2,893in 2025

2007: 6692008: 6602009: 6512010: 7652011: 1,1042012: 3,3392013: 3,8502014: 2,5492015: 2,7112016: 2,2852017: 2,5612018: 3,6622019: 5,4632020: 4,8202021: 4,4462022: 3,9342023: 3,7182024: 3,5752025: 2,893
2007high 5,463 (2019) · low 651 (2009)2025

MAUDE reports naming product code HWC, 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
2007357725669
2008337633660
20092711329651
2010231107765
20113588121,104
20122099303,339
20132590143,850
2014318822,549
2015418552,711
20162613142,285
20174012742,561
20182010613,662
20193010855,463
2020287544,820
2021268424,446
202226167133,934
20232410403,718
2024179003,575
20251511112,893
2026211252—

What is it indicated for?

The washers are intended to be used to provide additional surface arez contact between the screw head and bone surface, when used in combination with bone screws for small bone reconstruction of the mandible, hand, foot and the midfacial skeleton where there exists a condition of a thin cortex or osteoporotic bone.

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. “K980364: Howmedica and Howmedica Leibinger Bone Screw Washers.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K980364

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