510(k) Report

510(k) · Cleared

Cleared

Titanium Alloy Bone Screws

K940207510(k) TraditionalCleared Jul 12, 1994179-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

Aesculap, Inc. · HWC Screw, Fixation, Bone

Cleared on Jul 12, 1994 after a 179-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 66 later devices descend from it.

Decided
Jul 12, 1994
Review
179 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
0

66 later devices descend from it, 5 citing it directly.

Descendants, by year cleared 1999: 1 descendant cleared1996: 2 descendants cleared1998: 1 descendant cleared1997: 1 descendant cleared2003: 1 descendant cleared2012: 1 descendant cleared2013: 3 descendants cleared2005: 1 descendant cleared2015: 2 descendants cleared2025: 4 descendants cleared2019: 7 descendants cleared2018: 2 descendants cleared2017: 6 descendants cleared2020: 6 descendants cleared2022: 9 descendants cleared2016: 1 descendant cleared2023: 9 descendants cleared2021: 2 descendants cleared2024: 3 descendants cleared2026: 4 descendants cleared1990200020102020
  1. This deviceK940207 Titanium Alloy Bone ScrewsAesculap, Inc. · 1994
  2. Descendant · cites it directly · 61 of its ownK960533 K3 Bone Screw SystemKinetikos Medical, Inc. · 1996
  3. Descendant · cites it directly · 41 of its ownK960537 K2 Bone Screw SystemKinetikos Medical, Inc. · 1996
  4. Descendant · 2 generations on · 39 of its ownK120493 Mini Cannulated Headed and Headless Screw SetInstratek, Inc. · 2012 · Recalled
  5. Descendant · 3 generations on · 36 of its ownK123890 Acumed Cannulated Screw SystemAcumed, LLC · 2013 · Recalled
  6. Descendant · 4 generations on · 21 of its ownK190586 Monster® Screw SystemParagon 28, Inc. · 2019

Showing 5 of 66 descendants. See all descendants

Descendants cleared per year

1996: 21997: 11998: 11999: 12003: 12005: 12012: 12013: 32015: 22016: 12017: 62018: 22019: 72020: 62021: 22022: 92023: 92024: 32025: 42026: 4
1996high 9 (2022) · low 0 (2000)2026

Most influential descendants

Showing 5 of 66 · See all
  • K960533K3 Bone Screw SystemKinetikos Medical, Inc. · 1996 · cites it directly61descendants
  • K960537K2 Bone Screw SystemKinetikos Medical, Inc. · 1996 · cites it directly41descendants
  • K120493Mini Cannulated Headed and Headless Screw SetInstratek, Inc. · 2012 · 2 generations on39descendants
  • K123890Acumed Cannulated Screw SystemAcumed, LLC · 2013 · 3 generations on36descendants
  • K190586Monster® Screw SystemParagon 28, Inc. · 2019 · 4 generations on21descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K940207Titanium Alloy Bone ScrewsAesculap, Inc.1994—
+1K960533K3 Bone Screw SystemKinetikos Medical, Inc.1996—
+1K960537K2 Bone Screw SystemKinetikos Medical, Inc.1996—
+2K120493Mini Cannulated Headed and Headless Screw SetInstratek, Inc.20121
+3K123890Acumed Cannulated Screw SystemAcumed, LLC20132
+4K190586Monster® Screw SystemParagon 28, Inc.2019—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199620
199710
199810
199910
200310
200510
201210
201330
201520
201610
201760
201820
201970
202060
202120
202290
202390
202430
202540
202640
FIG. 1 — Lineage of K940207, 1994–2026Source: 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), 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (66)

See all 66

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

NumberDeviceApplicantDecidedDescendants
K960533K3 Bone Screw SystemKinetikos Medical, Inc.199661
K960537K2 Bone Screw SystemKinetikos Medical, Inc.199641
K990019DRG Medium Screw SystemDolphin Medical Technologies, Inc.19990
K973810DRG Large Screw SystemDolphin Medical Technologies, Inc.19980
K972217Orthopedic Screw SystemFerguson Medical19970

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, K960533 (Kinetikos Medical, Inc., 1996) has gone furthest, with 61 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—
Cite this page

510(k) Report. “K940207: Titanium Alloy Bone Screws.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K940207

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026