FDA Adverse Event Injury Summary report: N

UNKNOWN DISTAL FEMORAL COMPONENT

MDR report key: 22829626 · Received August 18, 2025

Report

Report Number
0001825034-2025-02498
Event Type
Injury
Date Received
August 18, 2025
Date of Event
June 17, 2025
Report Date
August 28, 2025
Manufacturer
ZIMMER BIOMET, INC.
Product Code
KWA
PMA / PMN Number
NI
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CA, US
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THIS FOLLOW-UP REPORT IS BEING SUBMITTED TO RELAY ADDITIONAL INFORMATION. THE FOLLOWING SECTIONS WERE UPDATED: B4, B5, G3, H2, H6. D4: ATTEMPTS HAVE BEEN MADE TO GATHER ALL PRODUCT IDENTIFICATION INFORMATION, AND NO FURTHER INFORMATION HAS BEEN PROVIDED. THE REPORTED EVENT COULD NOT BE CONFIRMED WITH THE INFORMATION PROVIDED; NO PRODUCT RETURNED, OR IMAGES PROVIDED, THUS VISUAL AND DIMENSIONAL ANALYSES COULD NOT BE MADE. NO MEDICAL RECORDS WERE RECEIVED. REVIEW OF THE DEVICE HISTORY RECORDS COULD NOT BE PERFORMED AS PART IDENTIFICATION WAS NOT PROVIDED. A DEFINITIVE ROOT CAUSE COULD NOT BE ESTABLISHED. IF ANY FURTHER INFORMATION IS FOUND WHICH WOULD CHANGE OR ALTER ANY CONCLUSIONS OR INFORMATION, A SUPPLEMENTAL WILL BE FILED ACCORDINGLY. ZIMMER BIOMET WILL CONTINUE TO MONITOR FOR TRENDS.

Additional Manufacturer Narrative · 0

(B)(4). B3: DATE OF PUBLICATION. D10: UNKNOWN ADAPTER, UNKNOWN TIBIAL BODY, UNKNOWN FEMORAL STEM, UNKNOWN SPINDLE, UNKNOWN BEARING, UNKNOWN BUSHING, UNKNOWN YOKE, UNKNOWN AXLE, UNKNOWN LOCK PIN, UNKNOWN FEMORAL BUSHING. G2: LITERATURE CITATION: DAY, Y., THOMPSON, A.R., ANDAYA, V.R. (2025). SURVIVAL OF PROXIMAL TIBIAL ENDOPROSTHESIS USING COMPRESSIVE OSSEOINTEGRATION: A MULTI-INSTITUTION RETROSPECTIVE STUDY. JOURNAL OF SURGICAL ONCOLOGY, 2025, 1-10. HTTPS://DOI.ORG/10.1002/JSO.70013. H6: PROPOSED COMPONENT CODE: MECHANICAL (G04) - FEMUR. CUSTOMER HAS INDICATED THAT THE PRODUCT WILL NOT BE RETURNED TO ZIMMER BIOMET FOR INVESTIGATION, AS THE DEVICE LOCATION IS UNKNOWN. THE INVESTIGATION IS IN PROCESS. ONCE THE INVESTIGATION HAS BEEN COMPLETED, A FOLLOW-UP MDR WILL BE SUBMITTED.

Description of Event or Problem · 0

NO ADDITIONAL INFORMATION TO REPORT.

Description of Event or Problem · 0

IT WAS REPORTED THROUGH A JOURNAL ARTICLE THAT APPROXIMATELY 5 MONTHS POST IMPLANTATION, THE PATIENT UNDERWENT A REVISION DUE TO ASEPTIC LOOSENING.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1960903 UNKNOWN DISTAL FEMORAL COMPONENT PROSTHESIS, KNEE KWA ZIMMER BIOMET, INC. NI

Patients

Seq Age Sex Outcome Treatment
1 14 YR Unknown Required Intervention| H SEE H11.