510(k) · Cleared
ClearedModification to Bilok Screw
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Biocomposites, Ltd. · HWC Screw, Fixation, Bone
Cleared on May 17, 2007 after a 29-day review. The FDA summary names no predicate by number. 3 later devices descend from it.
- Decided
- May 17, 2007
- Review
- 29 days
- Class
- Class II
- Product code
- HWC
- Recalls
- None
- Predicates
- 0
3 later devices descend from it, 1 citing it directly.
- This deviceK071091 Modification to Bilok ScrewBiocomposites, Ltd. · 2007
- Descendant · cites it directly · 2 of its ownK102410 Matryx Interference Screw (5.0-6.5MM)Conmed Linvatec · 2010
- Descendant · 2 generations on · 1 of its ownK120589 Milagro Interference ScrewsDepuy Mitek, A Johnson & Johnson Company · 2012
- Descendant · 3 generations on · 0 of its ownK122869 Milagro Interference ScrewsDepuy Mitek, A Johnson & Johnson Company · 2012
Most influential descendants
Showing 3 of 3 · See all- K102410Matryx Interference Screw (5.0-6.5MM)Conmed Linvatec · 2010 · cites it directly2descendants
- K120589Milagro Interference ScrewsDepuy Mitek, A Johnson & Johnson Company · 2012 · 2 generations on1descendant
- K122869Milagro Interference ScrewsDepuy Mitek, A Johnson & Johnson Company · 2012 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K071091 | Modification to Bilok Screw | Biocomposites, Ltd. | 2007 | — |
| +1 | K102410 | Matryx Interference Screw (5.0-6.5MM) | Conmed Linvatec | 2010 | — |
| +2 | K120589 | Milagro Interference Screws | Depuy Mitek, A Johnson & Johnson Company | 2012 | — |
| +3 | K122869 | Milagro Interference Screws | Depuy Mitek, A Johnson & Johnson Company | 2012 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2010 | 1 | 0 |
| 2012 | 2 | 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?
The FDA summary names no predicate by number.
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K102410 | Matryx Interference Screw (5.0-6.5MM) | 2010 | 2 |
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, K102410 (Conmed Linvatec, 2010) has gone furthest, with 2 descendants of its own.
How does its category compare?
All HWC devicesHWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2007, this device’s year, is highlighted.
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?
The Bilok® Screw is indicated for use in anterior cruciate ligament (ACL)
reconstruction procedures where the surgeon places the graft in tibial and/or
femoral tunnels and inserts screws between the tunnel wall and graft to hold
the graft in place.
The Bilok® Screw is used to provide interference fixation of patellar bone-
tendon-bone grafts in ACL reconstruction.
The Bilok®Screw is used to provide interference fixation during femoral and/or
tibial fixation in ACL reconstruction using a soft tissue graft (semi tendonosis
gracilis).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K071091 · printed Nov 4, 2026
Cite this page
510(k) Report. “K071091: Modification to Bilok Screw.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K071091
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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