510(k) · Cleared
ClearedBOSS Toe Fixation System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Arthrosurface, Inc. · KWD Prosthesis, Toe, Hemi-, Phalangeal
Cleared on Aug 14, 2019 as substantially equivalent to K131377 (Arthrosurface, Inc., 2013) after a 187-day review. Its family tree reaches back 8 generations to 1987.
- Decided
- Aug 14, 2019
- Review
- 187 days
- Class
- Class II
- Product code
- KWD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K864492 (1987). 19 ancestors in all, the oldest K781870 (1979). No later device cites it as a predicate yet.
- Root · 8 generations backK864492 Swanson Titanium Great Toe ImplantDow Corning Wright · 1987 · Recalled
- 7 generations backK971047 Futura Biomedical Metal Hemi Toe ImplantNexa Orthopedics, Inc. · 1997
- 6 generations backK031859 Cap Great Toe Resurfacing Hemi-Arthroplasty ImplantArthrosurface, Inc. · 2004
- 5 generations backK063370 Cap 7.0MM MTP Resurfacing Hemi-ArthroplastyArthrosurface, Inc. · 2007
- 4 generations backK073065 Osteomed Metatarsal Resurfacing Implant SystemOsteomed LP · 2008
- 3 generations backK081876 Osteomed Resurfacing Metatarsal Implant with Hydroxylapatite CoatingOsteomed LP · 2008
- 2 generations backK102401 Hemi Implant; Mini Hemi ImplantVilex, Inc. · 2011
- 1 generation backK131377 Hemicap MTP Resurfacing Hemi-Arthroplasty ImplantArthrosurface, Inc. · 2013
- This deviceK190261 BOSS Toe Fixation SystemArthrosurface, Inc. · 2019
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K864492 | Swanson Titanium Great Toe Implant | Dow Corning Wright | 1987 | 1 |
| −7 | K971047 | Futura Biomedical Metal Hemi Toe Implant | Nexa Orthopedics, Inc. | 1997 | — |
| −6 | K031859 | Cap Great Toe Resurfacing Hemi-Arthroplasty Implant | Arthrosurface, Inc. | 2004 | — |
| −5 | K063370 | Cap 7.0MM MTP Resurfacing Hemi-Arthroplasty | Arthrosurface, Inc. | 2007 | — |
| −4 | K073065 | Osteomed Metatarsal Resurfacing Implant System | Osteomed LP | 2008 | — |
| −3 | K081876 | Osteomed Resurfacing Metatarsal Implant with Hydroxylapatite Coating | Osteomed LP | 2008 | — |
| −2 | K102401 | Hemi Implant; Mini Hemi Implant | Vilex, Inc. | 2011 | — |
| −1 | K131377 | Hemicap MTP Resurfacing Hemi-Arthroplasty Implant | Arthrosurface, Inc. | 2013 | — |
| 0 (this device) | K190261 | BOSS Toe Fixation System | Arthrosurface, Inc. | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1991 | 1 | 0 |
| 1993 | 1 | 0 |
| 2002 | 2 | 0 |
| 2004 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2009 | 1 | 0 |
| 2012 | 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 KWD? 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 KWD device
- #1 K250074 HYALEX® MTP Hemiarthroplasty Implantscore 13.2 · 8 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 |
|---|---|---|---|
| * | K131377 | Hemicap MTP Resurfacing Hemi-Arthroplasty ImplantSummary page 5…es to the following predicate devices, which have been previously cleared by the FDA: HemiCAP® MTP Resurfacing Hemi-Arthroplasty Implant (fixation component) K131377 The fundamental scientific technology of the proposed device has not changed relative to the predicate devices. • Has the same I… | 2013 |
| † | K132496 | Arthrosurface Toemotion | 2014 |
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 32 years and passes through 5 companies; a new generation was cleared every 3.0 years on median.
- 2 of the 19 ancestors have a recall of any class.
- 2 other devices also cite its predicate K131377.
How does its category compare?
All KWD devicesKWD Prosthesis, Toe, Hemi-, Phalangeal: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.
FDA decisions per year · KWD
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · KWD
47in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWD
10in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWD
8in 2025
MAUDE reports naming product code KWD, 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 | 5 | 65 | 0 | 0 |
| 2008 | 3 | 84 | 1 | 2 |
| 2009 | 2 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 3 |
| 2011 | 1 | — | 0 | 3 |
| 2012 | 3 | 47 | 0 | 1 |
| 2013 | 2 | — | 0 | 4 |
| 2014 | 0 | — | 1 | 3 |
| 2015 | 0 | — | 0 | 10 |
| 2016 | 1 | — | 1 | 7 |
| 2017 | 1 | — | 0 | 10 |
| 2018 | 0 | — | 0 | 8 |
| 2019 | 2 | — | 0 | 19 |
| 2020 | 1 | — | 0 | 4 |
| 2021 | 1 | — | 0 | 2 |
| 2022 | 2 | — | 10 | 10 |
| 2023 | 1 | — | 0 | 27 |
| 2024 | 1 | — | 0 | 133 |
| 2025 | 0 | — | 0 | 8 |
| 2026 | 1 | — | 1 | — |
What is it indicated for?
Hemi-arthroplasty implant for the metatarsophalangeal joint for use in the treatment of patients with degenerative and post-traumatic arthritis in the metatarsal joint in the presence of good bone stock along with the following clinical conditions: hallux valgus or hallux rigidus, and an unstable or painful metatarsal/phalangeal (MTP) joint.
The device is a single use implant intended to be used with bone cement or without bone cement.
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/K190261 · printed Nov 6, 2026
Cite this page
510(k) Report. “K190261: BOSS Toe Fixation System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190261
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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