510(k) · Cleared
Recalled · Class II · 2017Bipolar Hip Device
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zimmer · KWY Prosthesis, Hip, Hemi-, Femoral, Metal/Polymer, Cemented Or Uncemented
Cleared on Jan 30, 1984 after a 70-day review. FDA has not posted a summary or statement for it, so its predicates are not known. It has been recalled 6 times.
- Decided
- Jan 30, 1984
- Review
- 70 days
- Class
- Class II
- Product code
- KWY
- Recalls
- 6
- Predicates
- 0
FDA has not posted a summary or statement for it, so its predicates are not known.
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?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Nov 29, 2017 | Class II | Z-1014-2018 | Packaging | The LDPE bag packaging for various highly polished hip and knee implants may adhere to the highly polished surface, leaving residue or material from the LDPE bag on the implant after it is removed from the bag. |
| Jan 11, 2016 | Class II | Z-0845-2016 | Process control | LDPE bag containing the implant adheres to the highly polished implant surface. |
| Jan 11, 2016 | Class II | Z-1114-2016 | Packaging | As a result of the insufficient sealer calibration data for product packaged in firm's Building II between August 2010 and April 2013. The affected products are sterile. |
| Oct 11, 2013 | Class II | Z-1019-2014 | Packaging | Zimmer recently conducted a review of all historic packaging validations at its Zimmer Manufacturing B.V. (ZMBV) facility in Ponce, Puerto Rico. Based on this review, it was determined that the packaging operations conducted in the… |
| Aug 30, 2013 | Class II | Z-0068-2014 | Package design/selection | The low density polyethylene (LDPE) bag used to package implants adheres to the highly polished surface of the devices. |
| Aug 31, 2012 | Class II | Z-0410-2013 | Process design | Zimmer Inc. is initiating a removal of the Multipolar Bipolar Cup Liner 22 mm J.D. (item 00-5001-040-22) due to reports that the split poly ring was incorrectly assembled. |
The 5 latest of 6 recalls; the web page lists all.
No ancestor or descendant has a Class I recall.
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/K833991 · printed Nov 6, 2026
Cite this page
510(k) Report. “K833991: Bipolar Hip Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K833991
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Record history
- FDA decision record loaded May 2, 2026
- Page last updated Nov 3, 2026