510(k) · Cleared
ClearedInterphalangeal Joint Fusion Device Range
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Neosteo · HWC Screw, Fixation, Bone
Cleared on Aug 28, 2019 as substantially equivalent to K133636 (Extremity Medical, LLC, 2014) and 2 other predicates after a 91-day review. Its family tree reaches back 5 generations to 1990.
- Decided
- Aug 28, 2019
- Review
- 91 days
- Class
- Class II
- Product code
- HWC
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 5 generations to K901456 (1990). 32 ancestors in all, the oldest K792670 (1980). No later device cites it as a predicate yet.
- Root · 5 generations backK901456 Orthosorb (R) Absorbable PinJohnson & Johnson International · 1990
- 4 generations backK031712 Inion Otps Biodegradable PinInion, Ltd. · 2003
- 3 generations backK050275 Modification to: Inion Otps Biodegradable PinInion, Ltd. · 2005
- 2 generations backK061164 ActivapinBioretec, Ltd. · 2006
- 1 generation backK133636 Extremity Medical Hammertoe DeviceExtremity Medical, LLC · 2014
- This deviceK191424 Interphalangeal Joint Fusion Device RangeNeosteo · 2019
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K901456 | Orthosorb (R) Absorbable Pin | Johnson & Johnson International | 1990 | — |
| −4 | K031712 | Inion Otps Biodegradable Pin | Inion, Ltd. | 2003 | — |
| −3 | K050275 | Modification to: Inion Otps Biodegradable Pin | Inion, Ltd. | 2005 | — |
| −2 | K061164 | Activapin | Bioretec, Ltd. | 2006 | — |
| −1 | K133636 | Extremity Medical Hammertoe Device | Extremity Medical, LLC | 2014 | — |
| 0 (this device) | K191424 | Interphalangeal Joint Fusion Device Range | Neosteo | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1980 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 4 | 0 |
| 2008 | 1 | 0 |
| 2010 | 2 | 0 |
| 2012 | 3 | 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 |
|---|---|---|---|
| * | K133636 | Extremity Medical Hammertoe DeviceSummary page 4…87 “Orthopedic” Product code HWC Primary Predicate Device HammerFix® (K133636) from Extremity Medical ProToe® (K101165) from Wright Medical Secondary Predica… | 2014 |
| * | K101165 | Pro-Toe VO Hammertow Implant SystemSummary page 4…HWC Primary Predicate Device HammerFix® (K133636) from Extremity Medical ProToe® (K101165) from Wright Medical Secondary Predicate Devices Kirschner and Guide Wires (K100736) from SMT Schilling Metalltechnik GmbH =… | 2010 |
| * | K100736 | Kirschner and Guide WiresSummary page 4…from Extremity Medical ProToe® (K101165) from Wright Medical Secondary Predicate Devices Kirschner and Guide Wires (K100736) from SMT Schilling Metalltechnik GmbH… | 2010 |
What descends from it?
No later submission names this one as a predicate yet.
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 29 years and passes through 5 companies; a new generation was cleared every 5.4 years on median.
- 3 of the 32 ancestors have a recall of any class.
- 8 other devices also cite its predicate K133636.
How does its category compare?
All HWC devicesHWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, 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 Interphalangeal Joint Fusion Devices are intended for the fixation of osteotomies and reconstruction of the lesser toes following correction procedures for hammertoe, claw toe and mallet toe.
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/K191424 · printed Nov 6, 2026
Cite this page
510(k) Report. “K191424: Interphalangeal Joint Fusion Device Range.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191424
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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