510(k) · Cleared
ClearedModification to Aequalis Shoulder Fracture System; Aequalis Shoulder System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Tornier · KWS Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented
Cleared on Dec 17, 2004 as substantially equivalent to K952928 (Tornier, 1995) and 6 other predicates after a 39-day review. Its family tree reaches back 3 generations to 1993. 258 later devices descend from it.
- Decided
- Dec 17, 2004
- Review
- 39 days
- Class
- Class II
- Product code
- KWS
- Recalls
- None
- Predicates
- 7
Its longest line of descent runs back 3 generations to K920362 (1993). 9 ancestors in all, the oldest K873679 (1987). 258 later devices descend from it, 6 citing it directly.
- Root · 3 generations backK920362 3M Modular Shoulder System3M Health Care, Ltd. · 1993
- 2 generations backK002683 WMT Ultra-Fit Modular Shoulder SystemWrightmedicaltechnologyinc · 2000
- 1 generation backK032679 Aequalis Shoulder Fracture SystemTornier · 2003
- This deviceK043077 Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder…Tornier · 2004
- Descendant · cites it directly · 257 of its ownK060209 Aequalis Shoulder Fracture System & Aequalis Shoulder SystemTornier · 2006
- Descendant · 2 generations on · 199 of its ownK061439 Aequalis Reversed ProsthesisTornier · 2006
- Descendant · 2 generations on · 179 of its ownK081059 Aequalis Reversed Shoulder ProsthesisTornier · 2008
- Descendant · 3 generations on · 178 of its ownK071948 Aequalis Reversed AdapterTornier · 2007
- Descendant · cites it directly · 164 of its ownK082120 Aequalis Reversed Fracture Shoulder ProthesisTornier · 2008
Showing 5 of 258 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 258 · See all- K060209Aequalis Shoulder Fracture System & Aequalis Shoulder SystemTornier · 2006 · cites it directly257descendants
- K061439Aequalis Reversed ProsthesisTornier · 2006 · 2 generations on199descendants
- K081059Aequalis Reversed Shoulder ProsthesisTornier · 2008 · 2 generations on179descendants
- K071948Aequalis Reversed AdapterTornier · 2007 · 3 generations on178descendants
- K082120Aequalis Reversed Fracture Shoulder ProthesisTornier · 2008 · cites it directly164descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K920362 | 3M Modular Shoulder System | 3M Health Care, Ltd. | 1993 | — |
| −2 | K002683 | WMT Ultra-Fit Modular Shoulder System | Wrightmedicaltechnologyinc | 2000 | — |
| −1 | K032679 | Aequalis Shoulder Fracture System | Tornier | 2003 | — |
| 0 (this device) | K043077 | Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder System | Tornier | 2004 | — |
| +1 | K060209 | Aequalis Shoulder Fracture System & Aequalis Shoulder System | Tornier | 2006 | — |
| +2 | K061439 | Aequalis Reversed Prosthesis | Tornier | 2006 | — |
| +2 | K081059 | Aequalis Reversed Shoulder Prosthesis | Tornier | 2008 | — |
| +3 | K071948 | Aequalis Reversed Adapter | Tornier | 2007 | — |
| +1 | K082120 | Aequalis Reversed Fracture Shoulder Prothesis | Tornier | 2008 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 2000 | 2 | 0 |
| 2004 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2006 | 5 | 0 |
| 2007 | 2 | 0 |
| 2008 | 3 | 0 |
| 2010 | 5 | 0 |
| 2011 | 10 | 0 |
| 2012 | 7 | 0 |
| 2013 | 8 | 0 |
| 2014 | 11 | 0 |
| 2015 | 6 | 0 |
| 2016 | 12 | 0 |
| 2017 | 14 | 0 |
| 2018 | 17 | 0 |
| 2019 | 20 | 0 |
| 2020 | 18 | 0 |
| 2021 | 22 | 0 |
| 2022 | 22 | 0 |
| 2023 | 17 | 0 |
| 2024 | 16 | 0 |
| 2025 | 21 | 0 |
| 2026 | 22 | 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? (7)
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 |
|---|---|---|---|
| * | K952928 | Aequalis Shoulder System for Total & Hemishoulder ApplicationsSummary page 1…r semi-constrained cemented prosthesis. 5) Equivalent / Predicate device For the AEQUALIS Shoulder Fracture System: AEQUALIS Shoulder system, TORNIER SA, K952928, K041339 AEQUALIS Shoulder Fracture system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medic… | 1995 |
| * | K041339 | Aequalis Shoulder SystemSummary page 1…nstrained cemented prosthesis. 5) Equivalent / Predicate device For the AEQUALIS Shoulder Fracture System: AEQUALIS Shoulder system, TORNIER SA, K952928, K041339 AEQUALIS Shoulder Fracture system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medical Techno… | 2004 |
| * | K994392 | Aequalis Shoulder Fracture SystemSummary page 1…te device For the AEQUALIS Shoulder Fracture System: AEQUALIS Shoulder system, TORNIER SA, K952928, K041339 AEQUALIS Shoulder Fracture system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medical Technology Inc, K002683 Select Shoulder System, Intermedics O… | 2000 |
| * | K003728 | Modification to Aequalis Shoulder Fracture SystemSummary page 1…For the AEQUALIS Shoulder Fracture System: AEQUALIS Shoulder system, TORNIER SA, K952928, K041339 AEQUALIS Shoulder Fracture system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medical Technology Inc, K002683 Select Shoulder System, Intermedics Orthopedic… | 2000 |
| * | K032679 | Aequalis Shoulder Fracture SystemSummary page 1…the AEQUALIS Shoulder Fracture System: AEQUALIS Shoulder system, TORNIER SA, K952928, K041339 AEQUALIS Shoulder Fracture system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medical Technology Inc, K002683 Select Shoulder System, Intermedics Orthopedics, K87367… | 2003 |
| * | K002683 | WMT Ultra-Fit Modular Shoulder SystemSummary page 1…, TORNIER SA, K952928, K041339 AEQUALIS Shoulder Fracture system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medical Technology Inc, K002683 Select Shoulder System, Intermedics Orthopedics, K873679… | 2000 |
| * | K873679 | Select Shoulder SystemSummary page 1…system, TORNIER SA, K994392, K003728, K032679 Modular Shoulder System, Wright Medical Technology Inc, K002683 Select Shoulder System, Intermedics Orthopedics, K873679 Page I/page 2… | 1987 |
What descends from it? (258)
See all 2586 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K060209 | Aequalis Shoulder Fracture System & Aequalis Shoulder System | 2006 | 257 |
| K082120 | Aequalis Reversed Fracture Shoulder Prothesis | 2008 | 164 |
| K063081 | Aequalis Shoulder System | 2006 | 162 |
| K081707 | Aequalis Shoulder Fracture and Shoulder Systems | 2008 | 25 |
| K112144 | Aequalis Shoulder Fracture System, Aequalis Reversed Shoulder Prosthesis, Aequalis… | 2012 | 23 |
| K062661 | Aequalis Resurfacing Head | 2006 | 16 |
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 11 years and passes through 3 companies; a new generation was cleared every 3.1 years on median.
- None of the 9 ancestors has a recall.
- Of its descendants, K060209 (Tornier, 2006) has gone furthest, with 257 descendants of its own.
- 18 other devices also cite its predicate K952928.
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?
Prosthetic replacement with this device may be indicated to relieve severe pain or significant disability caused by: - Degenerative pathologies : arthrosis, rheumatoid arthritis, post-traumatic arthrosis. Primary and secondary necrosis of the humeral head - Displaced 4-part upper humeral fracture - Humeral head fracture - Other pathologies where arthrodesis or resectional arthroplasty of the humeral head are not acceptable - Revision surgery when other…
Read the full statement (103 words)
Prosthetic replacement with this device may be indicated to relieve severe pain or significant disability caused by:
- Degenerative pathologies : arthrosis, rheumatoid arthritis, post-traumatic arthrosis.
Primary and secondary necrosis of the humeral head
- Displaced 4-part upper humeral fracture
- Humeral head fracture
- Other pathologies where arthrodesis or resectional arthroplasty of the humeral head are not acceptable
- Revision surgery when other treatments or devices have failed.
Traumatic or pathologic conditions of the shoulder resulting in fracture of the glenohumeral joint, including humeral head fracture and displaced 3-or 4-part proximal humeral fractures.
Revision surgery when other treatments or devices have failed.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K043077 · printed Nov 4, 2026
Cite this page
510(k) Report. “K043077: Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K043077
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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