510(k) Report

510(k) · Cleared

Cleared

Auto-Drive Bone Screw

K974785510(k) TraditionalCleared Mar 18, 199886-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

Osteomed Corp. · HWC Screw, Fixation, Bone

Cleared on Mar 18, 1998 as substantially equivalent to K944565 (KLS-Martin L.P., 1994) and 1 other predicate after an 86-day review. Its family tree reaches back 3 generations to 1976. 141 later devices descend from it.

Decided
Mar 18, 1998
Review
86 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K761228 (1976). 12 ancestors in all. 141 later devices descend from it, 6 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1994: 2 other ancestors1997: 1 other ancestor1996: 2 other ancestors1991: 1 other ancestor1988: 1 other ancestor1986: 2 other ancestors2002: 3 descendants cleared2015: 10 descendants cleared2003: 6 descendants cleared2013: 4 descendants cleared2006: 3 descendants cleared2012: 6 descendants cleared2014: 8 descendants cleared2007: 3 descendants cleared2008: 1 descendant cleared2010: 2 descendants cleared2011: 5 descendants cleared2019: 4 descendants cleared2018: 6 descendants cleared2020: 4 descendants cleared2021: 3 descendants cleared2025: 17 descendants cleared2022: 7 descendants cleared2016: 8 descendants cleared2023: 10 descendants cleared2024: 16 descendants cleared2017: 1 descendant cleared2026: 14 descendants clearedK761228 · Luhr Mandibular Compression-Screw System · Howmedica Corp. · 1976K963739 · Leibinger - Luhr Small Orthopedic Bone Screws · Howmedica Leibinger, Inc. · 1997K970912 · Leibinger Self-Drilling Screw · Howmedica Leibinger, Inc. · 199719801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 6 other ancestors 1 generation forward: 6 descendants2 generations forward: 11 descendants3 generations forward: 14 descendants4 generations forward: 22 descendants5 generations forward: 15 descendants6 generations forward: 20 descendants7 generations forward: 20 descendants8 generations forward: 22 descendants9 generations forward: 9 descendants10 generations forward: 1 descendant11 generations forward: 1 descendant K970912 · Leibinger Self-Drilling Screw · Howmedica Leibinger, Inc. · 1997K963739 · Leibinger - Luhr Small Orthopedic Bone Screws · Howmedica Leibinger, Inc. · 1997K761228 · Luhr Mandibular Compression-Screw System · Howmedica Corp. · 19760+5+10
  1. Root · 3 generations backK761228 Luhr Mandibular Compression-Screw SystemHowmedica Corp. · 1976
  2. 2 generations backK963739 Leibinger - Luhr Small Orthopedic Bone ScrewsHowmedica Leibinger, Inc. · 1997
  3. 1 generation backK970912 Leibinger Self-Drilling ScrewHowmedica Leibinger, Inc. · 1997
  4. This deviceK974785 Auto-Drive Bone ScrewOsteomed Corp. · 1998
  5. Descendant · cites it directly · 117 of its ownK013954 Lorenz Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2002
  6. Descendant · 2 generations on · 101 of its ownK032228 Lorenz 2.4 Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2003
  7. Descendant · 3 generations on · 100 of its ownK033740 Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2003
  8. Descendant · 2 generations on · 87 of its ownK063506 Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2006
  9. Descendant · 3 generations on · 84 of its ownK110574 Biomet Microfixation Sternalock Blu Sternal Closure SystemBiomet Microfixation, Inc. · 2011 · Recalled

Showing 5 of 141 descendants. See all descendants

Descendants cleared per year

2002: 32003: 62006: 32007: 32008: 12010: 22011: 52012: 62013: 42014: 82015: 102016: 82017: 12018: 62019: 42020: 42021: 32022: 72023: 102024: 162025: 172026: 14
2002high 17 (2025) · low 0 (2004)2026

Most influential descendants

Showing 5 of 141 · See all
  • K013954Lorenz Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2002 · cites it directly117descendants
  • K032228Lorenz 2.4 Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2003 · 2 generations on101descendants
  • K033740Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2003 · 3 generations on100descendants
  • K063506Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2006 · 2 generations on87descendants
  • K110574Biomet Microfixation Sternalock Blu Sternal Closure SystemBiomet Microfixation, Inc. · 2011 · 3 generations on84descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K761228Luhr Mandibular Compression-Screw SystemHowmedica Corp.1976—
−2K963739Leibinger - Luhr Small Orthopedic Bone ScrewsHowmedica Leibinger, Inc.1997—
−1K970912Leibinger Self-Drilling ScrewHowmedica Leibinger, Inc.1997—
0 (this device)K974785Auto-Drive Bone ScrewOsteomed Corp.1998—
+1K013954Lorenz Self Drilling ScrewsWalter Lorenz Surgical, Inc.2002—
+2K032228Lorenz 2.4 Self Drilling ScrewsWalter Lorenz Surgical, Inc.2003—
+3K033740Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc.2003—
+2K063506Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc.2006—
+3K110574Biomet Microfixation Sternalock Blu Sternal Closure SystemBiomet Microfixation, Inc.20111

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198620
198810
199110
199420
199620
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200230
200360
200630
200730
200810
201020
201150
201260
201340
201480
2015100
201680
201710
201860
201940
202040
202130
202270
2023100
2024160
2025170
2026140
FIG. 1 — Lineage of K974785, 1976–2026Source: 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 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 22.3 · 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? (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
*K944565KLS-Martin Micro Osteosythesis System (1.5MM)
Summary page 1
…8 mm. Equivalence for this device is based on similarities in intended use, material, design and operational principle to the KLS Martin Centre-Drive Drill-free™ Screw (K944565) and the Leibinger® Self-Drilling Screw (K970912). All of the screw systems are intended for use in internal fixation of small bo…
KLS-Martin L.P.1994—
*K970912Leibinger Self-Drilling Screw
Summary page 1
…milarities in intended use, material, design and operational principle to the KLS Martin Centre-Drive Drill-free™ Screw (K944565) and the Leibinger® Self-Drilling Screw (K970912). All of the screw systems are intended for use in internal fixation of small bones including the cranifacial and maxillofacial s…
Howmedica Leibinger, Inc.1997—

Also cleared against K944565: 14 other devices →

What descends from it? (141)

See all 141

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

NumberDeviceApplicantDecidedDescendants
K013954Lorenz Self Drilling ScrewsWalter Lorenz Surgical, Inc.2002117
K0232601.2MM Osteomed Auto-Drive Screw SystemOsteomed Corp.200224
K022890Modified Screw Designs for Use with the Bioplate Rigid Fixation Bone Plating System for…Bioplate, Inc.20027
K030806Bioplate Rigid Fixation Bone Plating System for Craniomaxillofacial SurgeryBioplate, Inc.20035
K151195OsteoMed IMF ScrewOsteomed20150
K122049Neuropro Low Profile Cranial Plating SystemKinamed, Inc.20130

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?

  • The line of descent spans 22 years and passes through 3 companies; a new generation was cleared every 8 months on median.
  • 1 of the 12 ancestors has a recall of any class.
  • Of its descendants, K013954 (Walter Lorenz Surgical, Inc., 2002) has gone furthest, with 117 descendants of its own.
  • 14 other devices also cite its predicate K944565.

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?

Fixation secondary to trauma or reconstruction of the craniofacial and maxillofacial skeleton and bones of the hand

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. “K974785: Auto-Drive Bone Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K974785

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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