510(k) · Cleared
ClearedWMT Ultra-Fit Modular Shoulder System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Wrightmedicaltechnologyinc · KWS Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented
Cleared on Nov 22, 2000 as substantially equivalent to K920362 (3M Health Care, Ltd., 1993) after an 86-day review. Its family tree reaches back 1 generation to 1993. 288 later devices descend from it.
- Decided
- Nov 22, 2000
- Review
- 86 days
- Class
- Class II
- Product code
- KWS
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K920362 (1993). 288 later devices descend from it, 2 citing it directly.
- Root · 1 generation backK920362 3M Modular Shoulder System3M Health Care, Ltd. · 1993
- This deviceK002683 WMT Ultra-Fit Modular Shoulder SystemWrightmedicaltechnologyinc · 2000
- Descendant · cites it directly · 287 of its ownK032679 Aequalis Shoulder Fracture SystemTornier · 2003
- Descendant · cites it directly · 258 of its ownK043077 Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder…Tornier · 2004
- Descendant · 2 generations on · 257 of its ownK060209 Aequalis Shoulder Fracture System & Aequalis Shoulder SystemTornier · 2006
- Descendant · 3 generations on · 199 of its ownK061439 Aequalis Reversed ProsthesisTornier · 2006
- Descendant · 3 generations on · 179 of its ownK081059 Aequalis Reversed Shoulder ProsthesisTornier · 2008
Showing 5 of 288 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 288 · See all- K032679Aequalis Shoulder Fracture SystemTornier · 2003 · cites it directly287descendants
- K043077Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder SystemTornier · 2004 · cites it directly258descendants
- K060209Aequalis Shoulder Fracture System & Aequalis Shoulder SystemTornier · 2006 · 2 generations on257descendants
- K061439Aequalis Reversed ProsthesisTornier · 2006 · 3 generations on199descendants
- K081059Aequalis Reversed Shoulder ProsthesisTornier · 2008 · 3 generations on179descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K920362 | 3M Modular Shoulder System | 3M Health Care, Ltd. | 1993 | — |
| 0 (this device) | K002683 | WMT Ultra-Fit Modular Shoulder System | Wrightmedicaltechnologyinc | 2000 | — |
| +1 | K032679 | Aequalis Shoulder Fracture System | Tornier | 2003 | — |
| +1 | K043077 | Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder System | Tornier | 2004 | — |
| +2 | K060209 | Aequalis Shoulder Fracture System & Aequalis Shoulder System | Tornier | 2006 | — |
| +3 | K061439 | Aequalis Reversed Prosthesis | Tornier | 2006 | — |
| +3 | K081059 | Aequalis Reversed Shoulder Prosthesis | Tornier | 2008 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2006 | 7 | 0 |
| 2007 | 2 | 0 |
| 2008 | 3 | 0 |
| 2010 | 7 | 0 |
| 2011 | 12 | 0 |
| 2012 | 9 | 0 |
| 2013 | 8 | 0 |
| 2014 | 13 | 0 |
| 2015 | 8 | 0 |
| 2016 | 13 | 0 |
| 2017 | 15 | 0 |
| 2018 | 20 | 0 |
| 2019 | 21 | 0 |
| 2020 | 19 | 0 |
| 2021 | 23 | 0 |
| 2022 | 23 | 0 |
| 2023 | 17 | 0 |
| 2024 | 19 | 0 |
| 2025 | 23 | 0 |
| 2026 | 23 | 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 KWS? 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 KWS device
- #1 K220847 AETOS Shoulder Systemscore 21.1 · 16 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 |
|---|---|---|---|
| * | K920362 | 3M Modular Shoulder SystemSummary page 2…al in intended use, type of .interface, material, and design features to the 3M glenoid :component submitted under 3M :Modular Shoulder System (Table 1: K920362, SE 07/22/1993) currently distributed by WMT; and the WMT ULTRA-FITTM Glenoids that are described below. 31… | 1993 |
What descends from it? (288)
See all 2882 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)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
How does its category compare?
All KWS devicesKWS Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KWS
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KWS
97in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWS
2in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWS
2,281in 2025
MAUDE reports naming product code KWS, 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 | 2 | — | 21 | 158 |
| 2008 | 4 | 37 | 29 | 238 |
| 2009 | 4 | 108 | 0 | 294 |
| 2010 | 7 | 33 | 10 | 393 |
| 2011 | 11 | 90 | 11 | 486 |
| 2012 | 7 | 86 | 10 | 542 |
| 2013 | 12 | 120 | 0 | 818 |
| 2014 | 7 | 89 | 1 | 1,066 |
| 2015 | 8 | 129 | 0 | 1,170 |
| 2016 | 10 | 114 | 1 | 970 |
| 2017 | 7 | 120 | 4 | 1,681 |
| 2018 | 4 | 152 | 1 | 1,545 |
| 2019 | 9 | 106 | 2 | 1,728 |
| 2020 | 3 | 98 | 5 | 1,567 |
| 2021 | 5 | 151 | 0 | 1,358 |
| 2022 | 5 | 158 | 0 | 1,268 |
| 2023 | 4 | 250 | 2 | 1,750 |
| 2024 | 2 | — | 0 | 2,122 |
| 2025 | 3 | 97 | 0 | 2,281 |
| 2026 | 2 | — | 1 | — |
What is it indicated for?
The WMT Modular Shoulder is indicated for use in shoulder arthroplasty for reduction or relief of pain and/or improved shoulder function in skeletally mature patients with sufficient and satisfactory bone stock to support the prosthesis with the following conditions: Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis; Rheumatoid arthritis or post-traumatic arthritis; Revision where other devices or treatments have…
Read the full statement (110 words)
The WMT Modular Shoulder is indicated for use in shoulder arthroplasty for reduction or relief of pain and/or improved shoulder function in skeletally mature patients with sufficient and satisfactory bone stock to support the prosthesis with the following conditions:
Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis;
Rheumatoid arthritis or post-traumatic arthritis;
Revision where other devices or treatments have failed;
Correction of functional deformity;
Treatment of acute fracture of the humeral head unmanageable using other treatment methods; and
Cuff tear arthroplasty.
Hemi-shoulder replacement is also indicated for:
Ununited humeral head fractures; and
Avascular necrosis of the humeral head.
The humeral stem may be implanted by press-fit or cement fixation.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K002683 · printed Nov 6, 2026
Cite this page
510(k) Report. “K002683: WMT Ultra-Fit Modular Shoulder System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K002683
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026