510(k) Report

510(k) · Cleared

Cleared

Modification to Bone Mulch Screw System

K993025510(k) SpecialCleared Oct 8, 199929-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

Biomet, Inc. · HWC Screw, Fixation, Bone

Cleared on Oct 8, 1999 as substantially equivalent to K941941 (Biomet, Inc., 1995) and 1 other predicate after a 29-day review. Its family tree reaches back 1 generation to 1995. 6 later devices descend from it.

Decided
Oct 8, 1999
Review
29 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K941941 (1995). 2 ancestors in all. 6 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1999: 1 other ancestor2002: 1 descendant cleared2004: 1 descendant cleared2007: 1 descendant cleared2014: 1 descendant cleared2013: 1 descendant cleared2015: 1 descendant clearedK941941 · Bone Mulch Screw · Biomet, Inc. · 1995 · recalled1995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 2 descendants K941941 · Bone Mulch Screw · Biomet, Inc. · 1995 · recalled0
  1. Root · 1 generation backK941941 Bone Mulch ScrewBiomet, Inc. · 1995 · Recalled
  2. This deviceK993025 Modification to Bone Mulch Screw SystemBiomet, Inc. · 1999
  3. Descendant · cites it directly · 4 of its ownK042552 Bio-Core Interference ScrewBiomet, Inc. · 2004
  4. Descendant · 2 generations on · 1 of its ownK140879 Biosure Healicoil PK Interference ScrewSmith & Nephew, Inc. · 2014
  5. Descendant · 2 generations on · 1 of its ownK071464 Inion Hexalon Biodegradable Acl/PCL ScrewInion OY · 2007
  6. Descendant · 3 generations on · 0 of its ownK142948 BIOSURE REGENESORB interference ScrewSmith & Nephew, Inc. · 2015 · Recalled
  7. Descendant · 3 generations on · 0 of its ownK130716 Bioretec Activascrew InterferenceBioretec, Ltd. · 2013

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2002: 12004: 12007: 12013: 12014: 12015: 1
2002high 1 (2002) · low 0 (2003)2026

Most influential descendants

Showing 5 of 6 · See all
  • K042552Bio-Core Interference ScrewBiomet, Inc. · 2004 · cites it directly4descendants
  • K140879Biosure Healicoil PK Interference ScrewSmith & Nephew, Inc. · 2014 · 2 generations on1descendant
  • K071464Inion Hexalon Biodegradable Acl/PCL ScrewInion OY · 2007 · 2 generations on1descendant
  • K142948BIOSURE REGENESORB interference ScrewSmith & Nephew, Inc. · 2015 · 3 generations on0descendants
  • K130716Bioretec Activascrew InterferenceBioretec, Ltd. · 2013 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K941941Bone Mulch ScrewBiomet, Inc.19951
0 (this device)K993025Modification to Bone Mulch Screw SystemBiomet, Inc.1999—
+1K042552Bio-Core Interference ScrewBiomet, Inc.2004—
+2K140879Biosure Healicoil PK Interference ScrewSmith & Nephew, Inc.2014—
+2K071464Inion Hexalon Biodegradable Acl/PCL ScrewInion OY2007—
+3K142948BIOSURE REGENESORB interference ScrewSmith & Nephew, Inc.20151
+3K130716Bioretec Activascrew InterferenceBioretec, Ltd.2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200410
200710
201310
201410
201510
FIG. 1 — Lineage of K993025, 1995–2015Source: 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 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
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What was it cleared against? (2)

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
*K941941Bone Mulch Screw
Summary page 1
…Guidance Documents: No performance standards have been developed for this type of device Previous FDA Status: Devices from this system were previously cleared in 510(k) K941941 and K991298. Device Description: The predicate Bone Mulch Screw System consists of three different Bone Mulch Screws made of Tit…
Biomet, Inc.19951
*K991298Bone Mulch Screw System
Summary page 1
…uments: No performance standards have been developed for this type of device Previous FDA Status: Devices from this system were previously cleared in 510(k) K941941 and K991298. Device Description: The predicate Bone Mulch Screw System consists of three different Bone Mulch Screws made of Titanium alloy…
Biomet, Inc.1999—

Also cleared against K941941: 2 other devices →

What descends from it? (6)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K042552Bio-Core Interference ScrewBiomet, Inc.20044
K014305Resorbable Lactosorb-L Acl CrosspinArthrotek, Inc.20020

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?

  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K042552 (Biomet, Inc., 2004) has gone furthest, with 4 descendants of its own.
  • 2 other devices also cite its predicate K941941.

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 Bone Mulch Screw System is indicated for use in anterior cruciate ligament (ACL) reconstruction using semigracilis/semitendinosus or fasc ... lata (namstring tendons) graft. It is intended for use in fixing the graft within the femoral graft tunnel.

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. “K993025: Modification to Bone Mulch Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K993025

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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