510(k) · Cleared
ClearedLeibinger Self-Drilling Screw
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Howmedica Leibinger, Inc. · HWC Screw, Fixation, Bone
Cleared on Oct 1, 1997 as substantially equivalent to K944565 (KLS-Martin L.P., 1994) and 3 other predicates after a 203-day review. Its family tree reaches back 2 generations to 1976. 143 later devices descend from it.
- Decided
- Oct 1, 1997
- Review
- 203 days
- Class
- Class II
- Product code
- HWC
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 2 generations to K761228 (1976). 11 ancestors in all. 143 later devices descend from it, 4 citing it directly.
- Root · 2 generations backK761228 Luhr Mandibular Compression-Screw SystemHowmedica Corp. · 1976
- 1 generation backK963739 Leibinger - Luhr Small Orthopedic Bone ScrewsHowmedica Leibinger, Inc. · 1997
- This deviceK970912 Leibinger Self-Drilling ScrewHowmedica Leibinger, Inc. · 1997
- Descendant · cites it directly · 141 of its ownK974785 Auto-Drive Bone ScrewOsteomed Corp. · 1998
- Descendant · 2 generations on · 117 of its ownK013954 Lorenz Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2002
- Descendant · 3 generations on · 101 of its ownK032228 Lorenz 2.4 Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2003
- Descendant · 4 generations on · 100 of its ownK033740 Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2003
- Descendant · 3 generations on · 87 of its ownK063506 Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2006
Showing 5 of 143 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 143 · See all- K974785Auto-Drive Bone ScrewOsteomed Corp. · 1998 · cites it directly141descendants
- K013954Lorenz Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2002 · 2 generations on117descendants
- K032228Lorenz 2.4 Self Drilling ScrewsWalter Lorenz Surgical, Inc. · 2003 · 3 generations on101descendants
- K033740Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2003 · 4 generations on100descendants
- K063506Lorenz Sternal Closure SystemWalter Lorenz Surgical, Inc. · 2006 · 3 generations on87descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K761228 | Luhr Mandibular Compression-Screw System | Howmedica Corp. | 1976 | — |
| −1 | K963739 | Leibinger - Luhr Small Orthopedic Bone Screws | Howmedica Leibinger, Inc. | 1997 | — |
| 0 (this device) | K970912 | Leibinger Self-Drilling Screw | Howmedica Leibinger, Inc. | 1997 | — |
| +1 | K974785 | Auto-Drive Bone Screw | Osteomed Corp. | 1998 | — |
| +2 | K013954 | Lorenz Self Drilling Screws | Walter Lorenz Surgical, Inc. | 2002 | — |
| +3 | K032228 | Lorenz 2.4 Self Drilling Screws | Walter Lorenz Surgical, Inc. | 2003 | — |
| +4 | K033740 | Lorenz Sternal Closure System | Walter Lorenz Surgical, Inc. | 2003 | — |
| +3 | K063506 | Lorenz Sternal Closure System | Walter Lorenz Surgical, Inc. | 2006 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 2 | 0 |
| 1988 | 1 | 0 |
| 1991 | 1 | 0 |
| 1994 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 6 | 0 |
| 2006 | 3 | 0 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2010 | 2 | 0 |
| 2011 | 5 | 0 |
| 2012 | 6 | 0 |
| 2013 | 4 | 0 |
| 2014 | 8 | 0 |
| 2015 | 10 | 0 |
| 2016 | 8 | 0 |
| 2017 | 1 | 0 |
| 2018 | 6 | 0 |
| 2019 | 4 | 0 |
| 2020 | 4 | 0 |
| 2021 | 3 | 0 |
| 2022 | 7 | 0 |
| 2023 | 10 | 0 |
| 2024 | 16 | 0 |
| 2025 | 17 | 0 |
| 2026 | 14 | 0 |
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 K203011 Monster Screw Systemscore 22.2 · 14 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (4)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K944565 | KLS-Martin Micro Osteosythesis System (1.5MM)Summary page 1…-8 mm, Equivalence for this device is based on similanties in intended use, material, design and operational principle to the KLS Martin Centre-Drive Drill-Frec™ Screw [K944565] and the Leibinger® Luhr® Small Bone Screws [K963739, K963740 and K963741). Each of the screw systems is intended for use in fixa… | 1994 |
| * | K963739 | Leibinger - Luhr Small Orthopedic Bone ScrewsSummary page 1…anties in intended use, material, design and operational principle to the KLS Martin Centre-Drive Drill-Frec™ Screw [K944565] and the Leibinger® Luhr® Small Bone Screws [K963739, K963740 and K963741). Each of the screw systems is intended for use in fixation of small bones secondary to trauma or for recons… | 1997 |
| * | K963740 | Leibinger - Luhr Small Mandibular Bone ScrewsSummary page 1…intended use, material, design and operational principle to the KLS Martin Centre-Drive Drill-Frec™ Screw [K944565] and the Leibinger® Luhr® Small Bone Screws [K963739, K963740 and K963741). Each of the screw systems is intended for use in fixation of small bones secondary to trauma or for reconstruction.… | 1996 |
| * | K963741 | Leibinger Luhr Small Craniomaxillofacial Bone ScrewsSummary page 1…e, material, design and operational principle to the KLS Martin Centre-Drive Drill-Frec™ Screw [K944565] and the Leibinger® Luhr® Small Bone Screws [K963739, K963740 and K963741). Each of the screw systems is intended for use in fixation of small bones secondary to trauma or for reconstruction. The Leibing… | 1997 |
What descends from it? (143)
See all 1434 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 21 years and passes through 2 companies; a new generation was cleared every 20.1 years on median.
- 1 of the 11 ancestors has a recall of any class.
- Of its descendants, K974785 (Osteomed Corp., 1998) has gone furthest, with 141 descendants of its own.
- 14 other devices also cite its predicate K944565.
How does its category compare?
All HWC devicesHWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HWC
15in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HWC
111in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HWC
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HWC
2,893in 2025
MAUDE reports naming product code HWC, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 35 | 77 | 25 | 669 |
| 2008 | 33 | 76 | 33 | 660 |
| 2009 | 27 | 113 | 29 | 651 |
| 2010 | 23 | 110 | 7 | 765 |
| 2011 | 35 | 88 | 12 | 1,104 |
| 2012 | 20 | 99 | 30 | 3,339 |
| 2013 | 25 | 90 | 14 | 3,850 |
| 2014 | 31 | 88 | 2 | 2,549 |
| 2015 | 41 | 85 | 5 | 2,711 |
| 2016 | 26 | 131 | 4 | 2,285 |
| 2017 | 40 | 127 | 4 | 2,561 |
| 2018 | 20 | 106 | 1 | 3,662 |
| 2019 | 30 | 108 | 5 | 5,463 |
| 2020 | 28 | 75 | 4 | 4,820 |
| 2021 | 26 | 84 | 2 | 4,446 |
| 2022 | 26 | 167 | 13 | 3,934 |
| 2023 | 24 | 104 | 0 | 3,718 |
| 2024 | 17 | 90 | 0 | 3,575 |
| 2025 | 15 | 111 | 1 | 2,893 |
| 2026 | 21 | 125 | 2 | — |
What is it indicated for?
This device is intended for use in internal fixation of small bones including the
craniomaxillofacial skeleton and hand secondary to trauma or for reconstruction.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K970912 · printed Nov 4, 2026
Cite this page
510(k) Report. “K970912: Leibinger Self-Drilling Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K970912
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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