510(k) · Cleared
ClearedSelf-Centering Hip
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Depuy, Inc. · KWY Prosthesis, Hip, Hemi-, Femoral, Metal/Polymer, Cemented Or Uncemented
Cleared on Oct 8, 1981 after a 16-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 14 later devices descend from it.
- Decided
- Oct 8, 1981
- Review
- 16 days
- Class
- Class II
- Product code
- KWY
- Recalls
- None
- Predicates
- 0
14 later devices descend from it, 4 citing it directly.
- This deviceK812672 Self-Centering HipDepuy, Inc. · 1981
- Descendant · cites it directly · 5 of its ownK231873 DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT…Depuy Ireland UC · 2024
- Descendant · cites it directly · 5 of its ownK133370 Remedy Hip Stem, Pegasus Hip Stem, Evolve Helios Hip Stem, Evolve…Signature Orthopaedics Pty Limited · 2014
- Descendant · 2 generations on · 1 of its ownK251292 RECLAIM Monobloc Revision Femoral StemDepuy Ireland UC · 2025
- Descendant · 2 generations on · 1 of its ownK243977 EMPHASYS Acetabular SystemDepuy Ireland UC · 2025
- Descendant · 2 generations on · 1 of its ownK143184 Evolve UniPolar HeadSignature Orthopaedics Pty, Ltd. · 2015
Showing 5 of 14 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 14 · See all- K231873DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT DuoFix Hip…Depuy Ireland UC · 2024 · cites it directly5descendants
- K133370Remedy Hip Stem, Pegasus Hip Stem, Evolve Helios Hip Stem, Evolve Masters Hip Stem…Signature Orthopaedics Pty Limited · 2014 · cites it directly5descendants
- K251292RECLAIM Monobloc Revision Femoral StemDepuy Ireland UC · 2025 · 2 generations on1descendant
- K243977EMPHASYS Acetabular SystemDepuy Ireland UC · 2025 · 2 generations on1descendant
- K143184Evolve UniPolar HeadSignature Orthopaedics Pty, Ltd. · 2015 · 2 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K812672 | Self-Centering Hip | Depuy, Inc. | 1981 | — |
| +1 | K231873 | DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT DuoFix Hip… | Depuy Ireland UC | 2024 | — |
| +1 | K133370 | Remedy Hip Stem, Pegasus Hip Stem, Evolve Helios Hip Stem, Evolve Masters Hip… | Signature Orthopaedics Pty Limited | 2014 | — |
| +2 | K251292 | RECLAIM Monobloc Revision Femoral Stem | Depuy Ireland UC | 2025 | — |
| +2 | K243977 | EMPHASYS Acetabular System | Depuy Ireland UC | 2025 | — |
| +2 | K143184 | Evolve UniPolar Head | Signature Orthopaedics Pty, Ltd. | 2015 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2011 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 4 | 0 |
| 2026 | 2 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in KWY? 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 KWY device
- #1 K253357 b-ONE® Bipolar Headscore 11.2 · 1 generation · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (14)
See all 144 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?
- Of its descendants, K231873 (Depuy Ireland UC, 2024) has gone furthest, with 5 descendants of its own.
How does its category compare?
All KWY devicesKWY Prosthesis, Hip, Hemi-, Femoral, Metal/Polymer, Cemented Or Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KWY
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KWY
126in 2019
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWY
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWY
180in 2025
MAUDE reports naming product code KWY, 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 | 0 | — | 25 | 370 |
| 2008 | 3 | 123 | 0 | 900 |
| 2009 | 1 | — | 24 | 961 |
| 2010 | 4 | 187 | 1 | 688 |
| 2011 | 1 | — | 0 | 758 |
| 2012 | 1 | — | 1 | 978 |
| 2013 | 2 | — | 2 | 1,148 |
| 2014 | 1 | — | 0 | 1,055 |
| 2015 | 1 | — | 0 | 1,213 |
| 2016 | 1 | — | 3 | 877 |
| 2017 | 1 | — | 2 | 826 |
| 2018 | 3 | 219 | 1 | 1,380 |
| 2019 | 5 | 126 | 1 | 1,530 |
| 2020 | 1 | — | 0 | 1,259 |
| 2021 | 0 | — | 0 | 276 |
| 2022 | 2 | — | 0 | 208 |
| 2023 | 2 | — | 0 | 178 |
| 2024 | 0 | — | 1 | 209 |
| 2025 | 1 | — | 2 | 180 |
| 2026 | 1 | — | 0 | — |
https://510kreport.com/device/K812672 · printed Nov 6, 2026
Cite this page
510(k) Report. “K812672: Self-Centering Hip.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K812672
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026