FDA Adverse Event Injury Summary report: N

BMET REGENX PRI TIB TRAY 71MM

MDR report key: 7943932 · Received October 8, 2018

Report

Report Number
0001825034-2018-09163
Event Type
Injury
Date Received
October 8, 2018
Date of Event
September 6, 2018
Report Date
May 23, 2019
Manufacturer
ZIMMER BIOMET, INC.
Product Code
HRY
PMA / PMN Number
PK080361
Removal / Correction Number
N/A
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NJ, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 0

THIS FOLLOW-UP REPORT IS BEING SUBMITTED TO RELAY UPDATED AND ADDITIONAL INFORMATION. COMPLAINT SAMPLE WAS EVALUATED AND THE REPORTED EVENT WAS CONFIRMED. VISUAL EXAMINATION OF THE RETURNED DEVICES CONFIRMED THAT THE TIBIAL TRAY HAS FRACTURED IN THE MIDDLE ANTERIOR-POSTERIOR AND THE PATELLA PEGS HAVE SHEARED OFF. THE LOCKING BAR DISASSOCIATING COULD NOT BE CONFIRMED HOWEVER, IT WAS FOUND THAT THE LOCKING BAR HAS FRACTURED AND THE FRACTURE OF THE LOCKING BAR COULD HAVE LED TO THE LOCKING BAR DISASSOCIATING IN VIVO. THE TIBIAL BEARING HAS NUMEROUS BLACK PARTICLES EMBEDDED IN THE ARTICULATING SURFACES AND THE LOCKING BAR CHANNEL WHICH LIKELY CAME FROM THE FRACTURED TIBIAL TRAY, PATELLA, AND LOCKING BAR. ADDITIONALLY, THE WEAR PATTERN ON THE BEARING WOULD INDICATE A BACK AND FORTH MOTION OF THE FEMORAL, LOADING AND UNLOADING THE TIBIAL ON THE MEDIAL SIDE, WHICH IS NOT NOTED ON THE LATERAL SIDE. THE FEMUR SHOWS SIGNS OF SLIGHT DELAMINATION ON THE CONDYLES WHICH COULD HAVE BEEN THE RESULT OF THE METAL DEBRIS EMBEDDED IN THE TIBIAL BEARING ABRADING THE CONDYLE SURFACE FINISH. RADIOGRAPHS WERE PROVIDED AND REVIEWED BY A HEALTH CARE PROFESSIONAL. REVIEW OF THE RECORDS FOUND THE FOLLOWING: "MILD DEGENERATIVE CHANGES OF THE LEFT KNEE PRE-ARTHROPLASTY. POST ARTHROPLASTY IMAGES DEMONSTRATE POSSIBLE PATELLAR IMPLANT FRACTURE WITH FRACTURED APPEARANCE OF THE PEGS. POSSIBLE EVIDENCE OF EARLY LOOSENING INVOLVING THE ANTERIOR TIBIAL COMPONENT. DHR WAS REVIEWED AND NO DISCREPANCIES RELEVANT TO THE REPORTED EVENT WERE FOUND. ROOT CAUSE WAS UNABLE TO BE DETERMINED FOR THE TIBIAL TRAY, LOCKING BAR, AND PATELLA FRACTURES. 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. MULTIPLE MDR REPORTS WERE FILED FOR THIS EVENT, PLEASE SEE ASSOCIATED REPORTS: 0001825034 - 2018 - 09161 - 1.

Description of Event or Problem · 0

IT WAS REPORTED THE PATIENT WAS REVISED DUE TO PAIN AND IMPLANT COMPONENT FRACTURE 2 YEARS POST IMPLANTATION. ATTEMPTS TO OBTAIN ADDITIONAL INFORMATION HAVE BEEN MADE; HOWEVER, NO MORE IS AVAILABLE.

Additional Manufacturer Narrative · 1

ZIMMER BIOMET COMPLAINT NUMBER (B)(4). UDI: (B)(4). MEDICAL PRODUCTS: VANGUARD CR POR FMRL-LT 62.5 P/N 183066 L/N: 928230. PRODUCT HAS BEEN RECEIVED BY ZIMMER BIOMET AND THE INVESTIGATION IS IN PROCESS. ONCE THE INVESTIGATION HAS BEEN COMPLETED, A FOLLOW-UP MDR WILL BE SUBMITTED. MULTIPLE MDR REPORTS WERE FILED FOR THIS EVENT, PLEASE SEE ASSOCIATED REPORT(S): 0001825034 - 2018 - 09154; 0001825034 - 2018 - 09161; 0001825034 - 2018 - 09163; 0001825034 - 2018 - 09165.

Description of Event or Problem · 1

IT WAS REPORTED THE PATIENT UNDERWENT AN INITIAL LEFT KNEE ARTHROPLASTY 2 YEARS POST IMPLANTATION. SUBSEQUENTLY, THE PATIENT WAS REVISED DUE TO PAIN AND IMPLANT COMPONENT FRACTURE. NO ADDITIONAL PATIENT CONSEQUENCES WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
784061 BMET REGENX PRI TIB TRAY 71MM PROSTHESIS, KNEE HRY ZIMMER BIOMET, INC. N/A 740700

Patients

Seq Age Sex Outcome Treatment
1 52 YR Hospitalization| R