510(k) Report

510(k) · Cleared

Cleared

Extremity Medical Midfoot Screw System, Charcx, Intramedullary Screw System

K091577510(k) TraditionalCleared Jul 24, 200952-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

Extremity Medical, LLC · HWC Screw, Fixation, Bone

Cleared on Jul 24, 2009 as substantially equivalent to K082934 (Extremity Medical, LLC, 2009) and 1 other predicate after a 52-day review. Its family tree reaches back 5 generations to 1996. 4 later devices descend from it.

Decided
Jul 24, 2009
Review
52 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K962823 (1996). 15 ancestors in all, the oldest K792022 (1979). 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2005: 2 other ancestors2008: 1 other ancestor2002: 2 other ancestors1999: 2 other ancestors1996: 1 other ancestor1994: 1 other ancestor1979: 1 other ancestor2010: 1 descendant cleared2012: 1 descendant cleared2020: 1 descendant cleared2013: 1 descendant clearedK962823 · Synthes Sterile 3.0 MM Cannulated Screw and Threaded Washer · Synthes (Usa) · 1996K993762 · I.CO.S Screw · New Deal, S.A. · 2000K024233 · Kompressor Screw System · Kinetikos Medical, Inc. · 2003K081934 · Extremity Medical Compression Screw · Extremity Medical, LLC · 2008K082934 · Extremity Medical Midfoot Screw System · Extremity Medical, LLC · 200919801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 2 other ancestors4 generations back: 3 other ancestors5 generations back: 2 other ancestors 1 generation forward: 2 descendants2 generations forward: 2 descendants K082934 · Extremity Medical Midfoot Screw System · Extremity Medical, LLC · 2009K081934 · Extremity Medical Compression Screw · Extremity Medical, LLC · 2008K024233 · Kompressor Screw System · Kinetikos Medical, Inc. · 2003K993762 · I.CO.S Screw · New Deal, S.A. · 2000K962823 · Synthes Sterile 3.0 MM Cannulated Screw and Threaded Washer · Synthes (Usa) · 1996−50
  1. Root · 5 generations backK962823 Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSynthes (Usa) · 1996
  2. 4 generations backK993762 I.CO.S ScrewNew Deal, S.A. · 2000
  3. 3 generations backK024233 Kompressor Screw SystemKinetikos Medical, Inc. · 2003
  4. 2 generations backK081934 Extremity Medical Compression ScrewExtremity Medical, LLC · 2008
  5. 1 generation backK082934 Extremity Medical Midfoot Screw SystemExtremity Medical, LLC · 2009
  6. This deviceK091577 Extremity Medical Midfoot Screw System, Charcx, Intramedullary Screw…Extremity Medical, LLC · 2009
  7. Descendant · cites it directly · 3 of its ownK093770 Extremity Medical Screw SystemExtremity Medical, LLC · 2010
  8. Descendant · cites it directly · 2 of its ownK121417 XMCP, Hallux, Tarsx, Extremity Medical Screw SystemExtremity Medical, LLC · 2012
  9. Descendant · 2 generations on · 0 of its ownK200124 InCore MPJ SystemNextremity Solutions, Inc. · 2020
  10. Descendant · 2 generations on · 0 of its ownK130120 Extremity Medical IP Fusion SystemExtremity Medical, LLC · 2013

Most influential descendants

Showing 4 of 4 · See all
  • K093770Extremity Medical Screw SystemExtremity Medical, LLC · 2010 · cites it directly3descendants
  • K121417XMCP, Hallux, Tarsx, Extremity Medical Screw SystemExtremity Medical, LLC · 2012 · cites it directly2descendants
  • K200124InCore MPJ SystemNextremity Solutions, Inc. · 2020 · 2 generations on0descendants
  • K130120Extremity Medical IP Fusion SystemExtremity Medical, LLC · 2013 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K962823Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSynthes (Usa)1996—
−4K993762I.CO.S ScrewNew Deal, S.A.2000—
−3K024233Kompressor Screw SystemKinetikos Medical, Inc.2003—
−2K081934Extremity Medical Compression ScrewExtremity Medical, LLC2008—
−1K082934Extremity Medical Midfoot Screw SystemExtremity Medical, LLC2009—
0 (this device)K091577Extremity Medical Midfoot Screw System, Charcx, Intramedullary Screw SystemExtremity Medical, LLC2009—
+1K093770Extremity Medical Screw SystemExtremity Medical, LLC2010—
+1K121417XMCP, Hallux, Tarsx, Extremity Medical Screw SystemExtremity Medical, LLC2012—
+2K200124InCore MPJ SystemNextremity Solutions, Inc.2020—
+2K130120Extremity Medical IP Fusion SystemExtremity Medical, LLC2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
199410
199610
199920
200220
200520
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201210
201310
202010
FIG. 1 — Lineage of K091577, 1996–2020Source: 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
*K082934Extremity Medical Midfoot Screw System
Summary page 1
…xation fastener and Number 21 CFR 888.3040 Product Code HWC Predicate Devices 1. EXTREMITY MEDICAL Midfoot Screw System K082934 2. 3.5 Fully Threaded Screw, Synthes K050683 Device Description The EXTREMITY MEDICAL…
Extremity Medical, LLC2009—
*K050683Synthes (Usa) 3.5MM Conical Screws
Summary page 1
…HWC Predicate Devices 1. EXTREMITY MEDICAL Midfoot Screw System K082934 2. 3.5 Fully Threaded Screw, Synthes K050683 Device Description The EXTREMITY MEDICAL Midfoot Screw System Indications for use The Extremity Medical Midfoo…
Synthes (Usa)20051

Also cleared against K082934: 4 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K093770Extremity Medical Screw SystemExtremity Medical, LLC20103
K121417XMCP, Hallux, Tarsx, Extremity Medical Screw SystemExtremity Medical, LLC20122

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 13 years and passes through 4 companies; a new generation was cleared every 3.0 years on median.
  • 5 of the 15 ancestors have a recall of any class.
  • Of its descendants, K093770 (Extremity Medical, LLC, 2010) has gone furthest, with 3 descendants of its own.
  • 4 other devices also cite its predicate K082934.

How does its category compare?

All HWC devices

HWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

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 Extremity Medical Midfoot Screw System is intended for fixation arthrodesis of the metatarsal-cuneiform, navicular-cuneiform, metatarsal-cuboid, talonavicular, calcaneocuboid, and metatarsal-phalangeal joints.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K091577: Extremity Medical Midfoot Screw System, Charcx, Intramedullary Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K091577

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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