510(k) · Cleared
ClearedHammertoe Truss System (HTS)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
4Web Medical, Inc. · HTY Pin, Fixation, Smooth
Cleared on Sep 6, 2022 as substantially equivalent to K190926 (4Web, Inc., 2019) after a 126-day review. Its family tree reaches back 11 generations to 1979. 2 later devices descend from it.
- Decided
- Sep 6, 2022
- Review
- 126 days
- Class
- Class II
- Product code
- HTY
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 11 generations to K792022 (1979). 66 ancestors in all. 2 later devices descend from it, 1 citing it directly.
- Root · 11 generations backK792022 Herbert Bone ScrewZimmer, Inc. · 1979 · Recalled
- 7 generations between
- 3 generations backK141420 FastforwardMedShape, Inc. · 2014
- 2 generations backK160264 Additive Orthopaedics Hammertoe Correction SystemAdditive Orthopaedics, LLC · 2016
- 1 generation backK190926 Hammertoe Truss System (HTS)4Web, Inc. · 2019
- This deviceK221283 Hammertoe Truss System (HTS)4Web Medical, Inc. · 2022
- Descendant · cites it directly · 1 of its ownK231453 SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2024
- Descendant · 2 generations on · 0 of its ownK250613 SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2025
Show all 11 generations
- Root · 11 generations backK792022 Herbert Bone ScrewZimmer, Inc. · 1979 · Recalled
- 10 generations backK974876 Bionx Distal Radius ScrewBionx Implants, Inc. · 1998
- 9 generations backK992947 Cannulated Smartscrew Models 224540C, 224570CBionx Implants, Ltd. · 1999
- 8 generations backK012001 SmartscrewBionx Implants, Ltd. · 2001
- 7 generations backK030900 Inion Otps Biodegradable Fixaton SystemInion, Ltd. · 2003
- 6 generations backK043248 Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS…Arthrex, Inc. · 2005
- 5 generations backK052776 Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel…Arthrex, Inc. · 2005
- 4 generations backK061925 Mini Tightrope Repair Kit, Model AR-8911DSArthrex, Inc. · 2006
- 3 generations backK141420 FastforwardMedShape, Inc. · 2014
- 2 generations backK160264 Additive Orthopaedics Hammertoe Correction SystemAdditive Orthopaedics, LLC · 2016
- 1 generation backK190926 Hammertoe Truss System (HTS)4Web, Inc. · 2019
- This deviceK221283 Hammertoe Truss System (HTS)4Web Medical, Inc. · 2022
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −11 | K792022 | Herbert Bone Screw | Zimmer, Inc. | 1979 | 6 |
| −10 | K974876 | Bionx Distal Radius Screw | Bionx Implants, Inc. | 1998 | — |
| −9 | K992947 | Cannulated Smartscrew Models 224540C, 224570C | Bionx Implants, Ltd. | 1999 | — |
| −8 | K012001 | Smartscrew | Bionx Implants, Ltd. | 2001 | — |
| −7 | K030900 | Inion Otps Biodegradable Fixaton System | Inion, Ltd. | 2003 | — |
| −6 | K043248 | Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel.… | Arthrex, Inc. | 2005 | — |
| −5 | K052776 | Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel , Models… | Arthrex, Inc. | 2005 | — |
| −4 | K061925 | Mini Tightrope Repair Kit, Model AR-8911DS | Arthrex, Inc. | 2006 | — |
| −3 | K141420 | Fastforward | MedShape, Inc. | 2014 | — |
| −2 | K160264 | Additive Orthopaedics Hammertoe Correction System | Additive Orthopaedics, LLC | 2016 | — |
| −1 | K190926 | Hammertoe Truss System (HTS) | 4Web, Inc. | 2019 | — |
| 0 (this device) | K221283 | Hammertoe Truss System (HTS) | 4Web Medical, Inc. | 2022 | — |
| +1 | K231453 | SnapHammer Hammertoe Correction System | Nvision Biomedical Technologies, Inc. | 2024 | — |
| +2 | K250613 | SnapHammer Hammertoe Correction System | Nvision Biomedical Technologies, Inc. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1990 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 0 |
| 2004 | 3 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2025 | 1 | 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 HTY? 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 HTY device
- #1 K231272 OSSIOfiber® Pin Product Family, OSSIOfiber®…score 19.3 · 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? (1)
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 |
|---|---|---|---|
| * | K190926 | Hammertoe Truss System (HTS)Summary page 4…from Ti6Al4V alloy. Each implant is available in a sterile/packaged form. Predicate Device(s): The primary predicate device is the 4WEB Medical Hammertoe Truss System (K190926). The reference predicates are the 4WEB Medical Lateral Spine Truss System (K172392, K211388).… | 2019 |
| † | K172392 | Lateral Spinal Truss System (LSTS) Interbody Fusion Device | 2017 |
| † | K211388 | Lateral Spine Truss System (LSTS) Interbody Fusion Device | 2021 |
| † | K173159 | Cervical Spinal Truss System (CSTS) Interbody Fusion Device | 2018 |
What descends from it? (2)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K231453 | SnapHammer Hammertoe Correction System | 2024 | 1 |
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 43 years and passes through 9 companies; a new generation was cleared every 1.8 years on median.
- 4 of the 66 ancestors have a recall of any class.
- Of its descendants, K231453 (Nvision Biomedical Technologies, Inc., 2024) has gone furthest, with 1 descendant of its own.
How does its category compare?
All HTY devicesHTY Pin, Fixation, Smooth: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · HTY
5in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HTY
90in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HTY
2in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HTY
39in 2025
MAUDE reports naming product code HTY, 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 | 6 | 112 | 0 | 46 |
| 2008 | 6 | 86 | 0 | 38 |
| 2009 | 2 | — | 1 | 36 |
| 2010 | 9 | 180 | 1 | 33 |
| 2011 | 6 | 82 | 0 | 164 |
| 2012 | 4 | 76 | 0 | 129 |
| 2013 | 4 | 128 | 0 | 187 |
| 2014 | 8 | 73 | 0 | 149 |
| 2015 | 8 | 101 | 0 | 121 |
| 2016 | 6 | 114 | 2 | 128 |
| 2017 | 5 | 127 | 0 | 82 |
| 2018 | 4 | 162 | 0 | 138 |
| 2019 | 4 | 93 | 1 | 222 |
| 2020 | 5 | 108 | 0 | 210 |
| 2021 | 5 | 137 | 0 | 148 |
| 2022 | 4 | 121 | 2 | 96 |
| 2023 | 5 | 146 | 0 | 153 |
| 2024 | 1 | — | 0 | 297 |
| 2025 | 5 | 90 | 0 | 39 |
| 2026 | 2 | — | 1 | — |
What is it indicated for?
The HTS is indicated for the fixation of osteotomies and reconstruction of the lesser toes following correction procedures for hammertoe, claw toe, and mallet toe. Cannulated implants in the HTS can be used with K-wires for the delivery of implants or the temporary stabilization of outlying joints (e.g. MTP Joint).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K221283 · printed Nov 4, 2026
Cite this page
510(k) Report. “K221283: Hammertoe Truss System (HTS).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K221283
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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