Kinemax 6476-8-270Recalls & reported problems
Howmedica Osteonics Corp. · Stem Extender · Class 2 · Implant
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 2
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 07613327045369), received between Apr 11, 2019 and Mar 6, 2024 — classified as 2 injuries.
The most frequently reported specific device problem is “Break” (1 report).
1 other recall cover devices cleared under the same FDA submission (K223069, K896452, K904208); they may or may not involve this specific model.
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Break1
- Degraded1
- Fracture1
Patient problems
- Injury1
- Insufficient Information1
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
InjuryMar 6, 2024Degraded; Fracture; Degraded; Fracture
REVISION OF RIGHT MRH DUE TO IMPLANT BREAKAGE. PRIMARY PROCEDURE PERFORMED ON (B)(6) 2019. FEMORAL STEM SNAPPED FROM MRH FEMORAL COMPONENT IN SITU. DATE OF BREAKAGE UNKNOWN, REVISION WAS PERFORMED ON (B)(6) 2024. FEMORAL AND TIBIAL IMPLANTS REMOVED. REVISED TO DISTAL FEMORAL AND PROXIMAL TIBIAL GMRS.
Patient problems: Insufficient Information
MAUDE report 18844274 ↗InjuryApr 11, 2019Break; Break
REVISION OF AN MRH FEMUR DUE TO A BROKEN 155MM CEMENTED STEM. THE MRH TIBIA DID NOT REQUIRE REVISION, BUT THE FEMUR WAS REVISED TO A GMRS FEMORAL COMPONENT.
Patient problems: Injury
MAUDE report 8503553 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under K223069, K896452, K904208. One submission often covers many models, so check the product and lot details in each record.
- Z-1614-2015 · Feb 27, 2015 · TerminatedKinemax Stem Extenders, 80 mm, Product Usage: Kinemax Cemented Stem Extenders are modular components designed to be mated with tibial baseplates or femoral components of the Modul
Other PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices
- ATTUNE 1506-00-005Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER589 reports
- ATTUNE 1506-00-004Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER580 reports
- JOURNEY 74012812Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER502 reports
- JOURNEY 74011856Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER438 reports
- PERSONA™ 42-5099-094-00Zimmer, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER406 reports
- JOURNEY 74011857Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER388 reports
- ATTUNE 1506-00-007Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER288 reports
- ATTUNE 1506-00-003Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER271 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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