510(k) · Cleared
Recalled · Class II · 2012IO Fix Hand, IO Fix Foot, Extremity Medical Screw System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Extremity Medical, LLC · HWC Screw, Fixation, Bone
Cleared on Oct 12, 2010 as substantially equivalent to K081934 (Extremity Medical, LLC, 2008) and 2 other predicates after a 117-day review. Its family tree reaches back 5 generations to 1996. 56 later devices descend from it. It has been recalled 2 times.
- Decided
- Oct 12, 2010
- Review
- 117 days
- Class
- Class II
- Product code
- HWC
- Recalls
- 2
- Predicates
- 3
Its longest line of descent runs back 5 generations to K962823 (1996). 15 ancestors in all, the oldest K792022 (1979). 56 later devices descend from it, 4 citing it directly.
- Root · 5 generations backK962823 Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSynthes (Usa) · 1996
- 4 generations backK993762 I.CO.S ScrewNew Deal, S.A. · 2000
- 3 generations backK024233 Kompressor Screw SystemKinetikos Medical, Inc. · 2003
- 2 generations backK081934 Extremity Medical Compression ScrewExtremity Medical, LLC · 2008
- 1 generation backK082934 Extremity Medical Midfoot Screw SystemExtremity Medical, LLC · 2009
- This deviceK101700 IO Fix Hand, IO Fix Foot, Extremity Medical Screw SystemExtremity Medical, LLC · 2010
- Descendant · cites it directly · 22 of its ownK142581 APTUS Foot SystemMedartis AG · 2015
- Descendant · cites it directly · 21 of its ownK190586 Monster® Screw SystemParagon 28, Inc. · 2019
- Descendant · 2 generations on · 19 of its ownK162674 BioPro Foot Plating SystemsBiopro, Inc. · 2017
- Descendant · cites it directly · 12 of its ownK121349 IO Fix, IO Fix Plus, Carpalfix, Extremity Medical Screw and WasherExtremity Medical, LLC · 2012
- Descendant · 3 generations on · 11 of its ownK193222 Tyber Medical Anatomical Plating SystemTyber Medical, LLC · 2020
Showing 5 of 56 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 56 · See all- K142581APTUS Foot SystemMedartis AG · 2015 · cites it directly22descendants
- K190586Monster® Screw SystemParagon 28, Inc. · 2019 · cites it directly21descendants
- K162674BioPro Foot Plating SystemsBiopro, Inc. · 2017 · 2 generations on19descendants
- K121349IO Fix, IO Fix Plus, Carpalfix, Extremity Medical Screw and WasherExtremity Medical, LLC · 2012 · cites it directly12descendants
- K193222Tyber Medical Anatomical Plating SystemTyber Medical, LLC · 2020 · 3 generations on11descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K962823 | Synthes Sterile 3.0 MM Cannulated Screw and Threaded Washer | Synthes (Usa) | 1996 | — |
| −4 | K993762 | I.CO.S Screw | New Deal, S.A. | 2000 | — |
| −3 | K024233 | Kompressor Screw System | Kinetikos Medical, Inc. | 2003 | — |
| −2 | K081934 | Extremity Medical Compression Screw | Extremity Medical, LLC | 2008 | — |
| −1 | K082934 | Extremity Medical Midfoot Screw System | Extremity Medical, LLC | 2009 | — |
| 0 (this device) | K101700 | IO Fix Hand, IO Fix Foot, Extremity Medical Screw System | Extremity Medical, LLC | 2010 | — |
| +1 | K142581 | APTUS Foot System | Medartis AG | 2015 | — |
| +1 | K190586 | Monster® Screw System | Paragon 28, Inc. | 2019 | — |
| +2 | K162674 | BioPro Foot Plating Systems | Biopro, Inc. | 2017 | — |
| +1 | K121349 | IO Fix, IO Fix Plus, Carpalfix, Extremity Medical Screw and Washer | Extremity Medical, LLC | 2012 | — |
| +3 | K193222 | Tyber Medical Anatomical Plating System | Tyber Medical, LLC | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1994 | 1 | 0 |
| 1996 | 1 | 0 |
| 1999 | 2 | 0 |
| 2002 | 2 | 0 |
| 2005 | 2 | 0 |
| 2008 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 1 | 0 |
| 2015 | 4 | 0 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 6 | 0 |
| 2020 | 7 | 0 |
| 2021 | 4 | 0 |
| 2022 | 4 | 0 |
| 2023 | 11 | 0 |
| 2024 | 5 | 0 |
| 2025 | 5 | 0 |
| 2026 | 5 | 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? (3)
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 |
|---|---|---|---|
| * | K081934 | Extremity Medical Compression ScrewSummary page 1…readed metallic bone fixation fastener and Number 21 CFR 888.3040 Product Code HWC Predicate Devices 1. EXTREMITY MEDICAL Compression Screw System, EXTREMITY MEDICAL K081934 ) 2. 3.0 Cannulated Screw and Threaded Washer , Synthes K962823 3. EXTREMITY MEDICAL Midfoot Screw System, EXTREMITY MEDICAL K082… | 2008 |
| * | K962823 | Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSummary page 1…40 Product Code HWC Predicate Devices 1. EXTREMITY MEDICAL Compression Screw System, EXTREMITY MEDICAL K081934 ) 2. 3.0 Cannulated Screw and Threaded Washer , Synthes K962823 3. EXTREMITY MEDICAL Midfoot Screw System, EXTREMITY MEDICAL K082934 Device Description The EXTREMITY MEDICAL Screw and Washer… | 1996 |
| * | K082934 | Extremity Medical Midfoot Screw SystemSummary page 1…ion Screw System, EXTREMITY MEDICAL K081934 ) 2. 3.0 Cannulated Screw and Threaded Washer , Synthes K962823 3. EXTREMITY MEDICAL Midfoot Screw System, EXTREMITY MEDICAL K082934 Device Description The EXTREMITY MEDICAL Screw and Washer System consists of a lag screw of five various diameters and lengths… | 2009 |
What descends from it? (56)
See all 564 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)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Mar 22, 2012 | Class II | Z-0752-2013 | Device Design | Lag screw measurement is short (approximately 5 mm) when using current screw measuring device (p/n 101-00010) per the IO FIX Surgical Technique Rev C. which can lead to possible inappropriate implant size selection (e.g. shorter screw… |
| Apr 13, 2011 | Class II | Z-0344-2013 | Employee error | Product Event Reports revealed that lag screw passes through washer (e.g. X-Post) intra-operatively. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 14 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, K142581 (Medartis AG, 2015) has gone furthest, with 22 descendants of its own.
- 3 other devices also cite its predicate K081934.
How does its category compare?
All HWC devicesHWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, 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 Extremity. Medical Screw and Washer System is intended for reduction and internal fixation of arthrodeses, osteotomies, intra- and extrarticular fractures and nonunions of the small bones and joints of the foot, ankle, hand, and wrist. The two-part construct is specifically intended for Talonavicular, Calcanealcuboid, Metatarso-Cunieform, Ankle, Capito-Lunate, and Triquetral-Hamate arthrodesis, as well as Metatarsal Osteotemies,
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/K101700 · printed Nov 6, 2026
Cite this page
510(k) Report. “K101700: IO Fix Hand, IO Fix Foot, Extremity Medical Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K101700
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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