510(k) · Cleared
ClearedAscension Metal Great Toe System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Ascension Orthopedics, Inc. · KWD Prosthesis, Toe, Hemi-, Phalangeal
Cleared on Jan 14, 2010 as substantially equivalent to K031859 (Arthrosurface, Inc., 2004) and 1 other predicate after a 192-day review. Its family tree reaches back 3 generations to 1987. 1 later device descends from it.
- Decided
- Jan 14, 2010
- Review
- 192 days
- Class
- Class II
- Product code
- KWD
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 3 generations to K864492 (1987). 7 ancestors in all, the oldest K781870 (1979). 1 later device descends from it, 1 citing it directly.
- Root · 3 generations backK864492 Swanson Titanium Great Toe ImplantDow Corning Wright · 1987 · Recalled
- 2 generations backK971047 Futura Biomedical Metal Hemi Toe ImplantNexa Orthopedics, Inc. · 1997
- 1 generation backK031859 Cap Great Toe Resurfacing Hemi-Arthroplasty ImplantArthrosurface, Inc. · 2004
- This deviceK092047 Ascension Metal Great Toe SystemAscension Orthopedics, Inc. · 2010
- Descendant · cites it directly · 0 of its ownK221220 Montross Extremity Medical Hemi Implant SystemMontross Extremity Medical · 2023
Most influential descendants
Showing 1 of 1 · See all- K221220Montross Extremity Medical Hemi Implant SystemMontross Extremity Medical · 2023 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K864492 | Swanson Titanium Great Toe Implant | Dow Corning Wright | 1987 | 1 |
| −2 | K971047 | Futura Biomedical Metal Hemi Toe Implant | Nexa Orthopedics, Inc. | 1997 | — |
| −1 | K031859 | Cap Great Toe Resurfacing Hemi-Arthroplasty Implant | Arthrosurface, Inc. | 2004 | — |
| 0 (this device) | K092047 | Ascension Metal Great Toe System | Ascension Orthopedics, Inc. | 2010 | — |
| +1 | K221220 | Montross Extremity Medical Hemi Implant System | Montross Extremity Medical | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1991 | 1 | 0 |
| 2002 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K031859 | Cap Great Toe Resurfacing Hemi-Arthroplasty ImplantSummary page 1…hemni-toe) polymer prostheis CLASSIFICATION: 21 CFR 888.3730 (hemni) PRODUCT CODE: KWD PANEL: Orthopedic PREDICATE DEVICES: K031 859 - CAP Great Toe Resurfacing Hemi-arthroplasty implant K023770 - K2 Hemi Toe Implant System DEVICE DESCRIPTION: The Ascension®… | 2004 |
| * | K023770 | K2 Hemi Toe Implant System (Formerly Zobel Great Toe Implant System)Summary page 1…888.3730 (hemni) PRODUCT CODE: KWD PANEL: Orthopedic PREDICATE DEVICES: K031 859 - CAP Great Toe Resurfacing Hemi-arthroplasty implant K023770 - K2 Hemi Toe Implant System DEVICE DESCRIPTION: The Ascension® Metal Great Toe System consists of a metatarsal component and… | 2002 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K221220 | Montross Extremity Medical Hemi Implant System | 2023 | 0 |
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 23 years and passes through 4 companies; a new generation was cleared every 6.7 years on median.
- 1 of the 7 ancestors has a recall of any class.
- Of its descendants, K221220 (Montross Extremity Medical, 2023) has gone furthest, with 0 descendants of its own.
- 8 other devices also cite its predicate K031859.
How does its category compare?
All KWD devicesKWD Prosthesis, Toe, Hemi-, Phalangeal: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, 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?
The Ascension® Metal Great Toe, System consists of a metatarsal component and a phalangeal component designed for resurfacing the Ist metatarsal head or the base of the proximal phalanx. The metatarsal and phalangeal components are used as hemi-arthmoplasties as an uncemented 'joint treatment of patients With arthritis in the flrst metatarsal joint in the presence of good bone stock. Indications include:
* Hallux valgus; or Hailux Jimitus
* Hallux rigidlus
* Unstable or painful metatarsal/phalangeal (MTP) joint
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K092047 · printed Nov 4, 2026
Cite this page
510(k) Report. “K092047: Ascension Metal Great Toe System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K092047
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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