510(k) · Cleared
ClearedContoured Articular Prosthesis (Cap) Femoral Head Resurfacing System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Std Mfg., Inc. · KXA Prosthesis, Hip, Femoral, Resurfacing
Cleared on Aug 1, 2002 as substantially equivalent to K994153 (Corin USA, 2000) and 1 other predicate after an 80-day review. Its family tree reaches back 1 generation to 1998.
- Decided
- Aug 1, 2002
- Review
- 80 days
- Class
- Class II
- Product code
- KXA
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K983452 (1998). 2 ancestors in all. No later device cites it as a predicate yet.
- Root · 1 generation backK983452 Nelson Resurfacing HeadBiomet, Inc. · 1998
- This deviceK021549 Contoured Articular Prosthesis (Cap) Femoral Head Resurfacing SystemStd Mfg., Inc. · 2002
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K983452 | Nelson Resurfacing Head | Biomet, Inc. | 1998 | — |
| 0 (this device) | K021549 | Contoured Articular Prosthesis (Cap) Femoral Head Resurfacing System | Std Mfg., Inc. | 2002 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 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 KXA? 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 KXA device
- #1 K201219 Biocore9 Femoral Head Resurfacing Componentscore 0.7 · 1 generation · no Class I recall
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 |
|---|---|---|---|
| * | K994153 | Cormet 2000 Hemi Hip Metallic Resurfacing ProsthesisSummary page 3…Prosthesis (CAP) Femoral Resurfacing Prosthesis Head Resurfacing System K Number TBD K994 153 Product Code ~ KXA KXA KXA Regulati… | 2000 |
| * | K983452 | Nelson Resurfacing HeadSummary page 4…CAP) Femoral Resurfacing Prosthesis Head Resurfacing System K Number TBD K994153 K983452 Mechanical Fixation screw installed as Prosthetic press fits into Prosthetic press fits onto Fixation c… | 1998 |
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?
- None of the 2 ancestors has a recall.
- 3 other devices also cite its predicate K994153.
How does its category compare?
All KXA devicesKXA Prosthesis, Hip, Femoral, Resurfacing: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KXA
1in 2021
2026 to Oct 25, outlined.
Median 510(k) review, days · KXA
Too few KXA 510(k)s in any year since 2007 to give a median.
Recalls per year · KXA
1in 2012
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KXA
14in 2025
MAUDE reports naming product code KXA, 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 | — | 2 | 15 |
| 2008 | 1 | — | 0 | 22 |
| 2009 | 0 | — | 0 | 11 |
| 2010 | 1 | — | 13 | 68 |
| 2011 | 0 | — | 0 | 593 |
| 2012 | 0 | — | 1 | 2,099 |
| 2013 | 0 | — | 0 | 2,522 |
| 2014 | 0 | — | 0 | 2,431 |
| 2015 | 0 | — | 0 | 1,674 |
| 2016 | 0 | — | 0 | 621 |
| 2017 | 0 | — | 0 | 580 |
| 2018 | 0 | — | 0 | 430 |
| 2019 | 0 | — | 0 | 971 |
| 2020 | 0 | — | 0 | 373 |
| 2021 | 1 | — | 0 | 17 |
| 2022 | 0 | — | 0 | 13 |
| 2023 | 0 | — | 0 | 5 |
| 2024 | 0 | — | 0 | 2 |
| 2025 | 0 | — | 0 | 14 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Relief of pain and disability, and restoration of hip function within patients who
have radiographic evidence of good bone stock in the femoral head and
acetabulum, with the bearing surface and supportive bone structure of the
acetabulum being normal. The device is a single use implant intended to be used
for cemented, hemi-hip, resurfacing applications only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K021549 · printed Nov 5, 2026
Cite this page
510(k) Report. “K021549: Contoured Articular Prosthesis (Cap) Femoral Head Resurfacing System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K021549
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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