FDA Adverse Event Injury Summary report: N

TRIATHLON SYM CONE AUG SZ B

MDR report key: 14506312 · Received May 26, 2022

Report

Report Number
0002249697-2022-00764
Event Type
Injury
Date Received
May 26, 2022
Date of Event
June 25, 2020
Report Date
May 22, 2024
Manufacturer
STRYKER ORTHOPAEDICS-MAHWAH
Product Code
KRO
UDI-DI
07613327000610
PMA / PMN Number
K143393
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
IN, US
Reporter Occupation
OTHER
Health Professional
N

Narratives

Additional Manufacturer Narrative · 0

IT WAS NOTED THAT THE DEVICE IS NOT AVAILABLE FOR EVALUATION. SHOULD ADDITIONAL INFORMATION BECOME AVAILABLE, IT WILL BE PROVIDED IN A SUPPLEMENTAL REPORT UPON COMPLETION OF THE INVESTIGATION.

Additional Manufacturer Narrative · 0

AN EVENT REGARDING LOOSENING INVOLVING AN UNKNOWN MRH CONE WAS REPORTED. THE EVENT WAS CONFIRMED VIA CLINICIAN REVIEW OF THE PROVIDED MEDICAL RECORDS. METHOD & RESULTS: -PRODUCT EVALUATION AND RESULTS: MATERIAL ANALYSIS, VISUAL, FUNCTIONAL AND DIMENSIONAL INSPECTIONS COULD NOT BE PERFORMED AS THE DEVICE WAS NOT RETURNED. -CLINICIAN REVIEW: A REVIEW OF MEDICAL RECORDS WITH A CLINICAL CONSULTANT INDICATED "THIS INQUIRY REPORTS A PATIENT COMPLAINING OF PAIN AND INSTABILITY FOLLOWING AT LEAST 6 SURGERIES (5 REVISIONS) ON HIS LEFT KNEE, THE LAST RESULTING IN RECURRENT DISLOCATION OF THE PATELLA. I CAN CONFIRM THAT THIS EVENT TOOK PLACE SINCE I WAS ABLE TO REVIEW THE OPERATION REPORTS AND ONE LATERAL X RAY SHOWING THE DISASSOCIATION OF THE STEM FROM THE DISTAL FEMORAL COMPONENT. REGARDING THE POSSIBLE ROOT CAUSE OF THIS EVENT, I CANNOT DETERMINE IT WITH CERTAINTY. CAUSES OF FAILURE DUE TO BREAKAGE IS MULTIFACTORIAL, INCLUDING SURGICAL TECHNIQUE FACTORS INCLUDING CEMENTING TECHNIQUE, PATIENT FACTORS SUCH AS BMI AND ACTIVITY LEVEL AND IMPLANT FACTORS, INCLUDING PROPER ASSEMBLY." -PRODUCT HISTORY REVIEW: COULD NOT BE PERFORMED AS THE DEVICE LOT DETAILS WERE NOT PROVIDED. -COMPLAINT HISTORY REVIEW: COULD NOT BE PERFORMED AS THE DEVICE LOT DETAILS WERE NOT PROVIDED. CONCLUSIONS: IT WAS REPORTED THAT THE PATIENT'S KNEE WAS REVISED DUE TO LOOSENING. A REVIEW OF MEDICAL RECORDS WITH A CLINICAL CONSULTANT INDICATED "THIS INQUIRY REPORTS A PATIENT COMPLAINING OF PAIN AND INSTABILITY FOLLOWING AT LEAST 6 SURGERIES (5 REVISIONS) ON HIS LEFT KNEE, THE LAST RESULTING IN RECURRENT DISLOCATION OF THE PATELLA. I CAN CONFIRM THAT THIS EVENT TOOK PLACE SINCE I WAS ABLE TO REVIEW THE OPERATION REPORTS AND ONE LATERAL X RAY SHOWING THE DISASSOCIATION OF THE STEM FROM THE DISTAL FEMORAL COMPONENT. REGARDING THE POSSIBLE ROOT CAUSE OF THIS EVENT, I CANNOT DETERMINE IT WITH CERTAINTY. CAUSES OF FAILURE DUE TO BREAKAGE IS MULTIFACTORIAL, INCLUDING SURGICAL TECHNIQUE FACTORS INCLUDING CEMENTING TECHNIQUE, PATIENT FACTORS SUCH AS BMI AND ACTIVITY LEVEL AND IMPLANT FACTORS, INCLUDING PROPER ASSEMBLY. "NO FURTHER INVESTIGATION FOR THIS EVENT IS POSSIBLE AT THIS TIME. IF ADDITIONAL INFORMATION BECOME AVAILABLE TO INDICATE FURTHER EVALUATION IS WARRANTED, THIS RECORD WILL BE REOPENED.

Additional Manufacturer Narrative · 0

AN EVENT REGARDING LOOSENING INVOLVING A TRIATHLON CONE AUGMENT WAS REPORTED. THE EVENT WAS CONFIRMED VIA CLINICIAN REVIEW OF THE PROVIDED MEDICAL RECORDS. METHOD & RESULTS: DEVICE EVALUATION AND RESULTS: MATERIAL ANALYSIS, VISUAL, FUNCTIONAL, AND DIMENSIONAL INSPECTIONS COULD NOT BE PERFORMED AS THE DEVICE WAS NOT RETURNED. CLINICIAN REVIEW: A REVIEW OF THE PROVIDED MEDICAL RECORDS BY A CLINICAL CONSULTANT INDICATED: "THE PATIENT COMPLAINED OF PAIN AND INSTABILITY FOLLOWING AT LEAST 7 SURGERIES WITH 6 REVISIONS OF HIS LEFT KNEE. HIS PREVIOUS SURGERIES HAVE RESULTED IN LOOSE AND BROKEN IMPLANTS AND RECURRENT DISLOCATION OF THE PATELLA. THE LAST SURGERY ON (B)(6) 2023, WAS A REVISION OF ALL COMPONENTS USING A COMPETITOR IMPLANT. WE HAVE NO INFORMATION ABOUT HOW THE PATIENT IS DOING AT THIS TIME. I CAN CONFIRM THAT THESE EVENTS OCCURRED SINCE I WAS ABLE TO REVIEW OPERATION REPORTS AND ONE LATERAL X-RAY SHOWING THE BROKEN FEMORAL STEM. AS I HAVE SAID PREVIOUSLY THE ROOT CAUSE OF THESE EVENTS CANNOT BE DETERMINED WITH CERTAINTY. CAUSES OF FAILURE DUE TO BREAKAGE OF AN IMPLANT AND LOOSENING ARE MULTIFACTORIAL INCLUDING SURGICAL TECHNIQUE FACTORS, INCLUDING ALIGNMENT, LIGAMENT BALANCE, RESTORATION OF KINEMATICS, CEMENTING TECHNIQUE, AS WELL AS PATIENT FACTORS SUCH AS ACTIVITY LEVEL AND BMI AND IMPLANT FACTORS INCLUDING PROPER ASSEMBLY AND PROPER FIXATION OF THE IMPLANTS. REGARDING THE POSSIBLE FRACTURE OF A TIBIAL STEM, I CANNOT CONFIRM THAT EVENT." DEVICE HISTORY REVIEW: REVIEW OF THE DEVICE HISTORY RECORDS INDICATE DEVICES WERE MANUFACTURED AND ACCEPTED INTO FINAL STOCK WITH NO RELEVANT REPORTED DISCREPANCIES. COMPLAINT HISTORY REVIEW: THERE HAVE BEEN NO OTHER SIMILAR EVENTS FOR THE REPORTED LOT. CONCLUSION: IT WAS REPORTED THAT THE PATIENT WAS REVISED DUE TO LOOSENING OF THE FEMORAL COMPONENTS. A REVIEW OF THE PROVIDED MEDICAL RECORDS BY A CLINICAL CONSULTANT INDICATED: "THE PATIENT COMPLAINED OF PAIN AND INSTABILITY FOLLOWING AT LEAST 7 SURGERIES WITH 6 REVISIONS OF HIS LEFT KNEE. HIS PREVIOUS SURGERIES HAVE RESULTED IN LOOSE AND BROKEN IMPLANTS AND RECURRENT DISLOCATION OF THE PATELLA. THE LAST SURGERY ON (B)(6) 2023, WAS A REVISION OF ALL COMPONENTS USING A COMPETITOR IMPLANT. WE HAVE NO INFORMATION ABOUT HOW THE PATIENT IS DOING AT THIS TIME. I CAN CONFIRM THAT THESE EVENTS OCCURRED SINCE I WAS ABLE TO REVIEW OPERATION REPORTS AND ONE LATERAL X-RAY SHOWING THE BROKEN FEMORAL STEM. AS I HAVE SAID PREVIOUSLY THE ROOT CAUSE OF THESE EVENTS CANNOT BE DETERMINED WITH CERTAINTY. CAUSES OF FAILURE DUE TO BREAKAGE OF AN IMPLANT AND LOOSENING ARE MULTIFACTORIAL INCLUDING SURGICAL TECHNIQUE FACTORS, INCLUDING ALIGNMENT, LIGAMENT BALANCE, RESTORATION OF KINEMATICS, CEMENTING TECHNIQUE, AS WELL AS PATIENT FACTORS SUCH AS ACTIVITY LEVEL AND BMI AND IMPLANT FACTORS INCLUDING PROPER ASSEMBLY AND PROPER FIXATION OF THE IMPLANTS. REGARDING THE POSSIBLE FRACTURE OF A TIBIAL STEM, I CANNOT CONFIRM THAT EVENT." NO FURTHER INVESTIGATION FOR THIS EVENT IS POSSIBLE AT THIS TIME. IF DEVICES AND/OR ADDITIONAL INFORMATION BECOME AVAILABLE TO INDICATE FURTHER EVALUATION IS WARRANTED, THIS RECORD WILL BE REOPENED.

Description of Event or Problem · 0

PATIENT HAD A LEFT KNEE SURGERY WHERE STRYKER COMPONENTS WERE IMPLANTED ON (B)(6) 2019. PATIENT WAS REVISED ON (B)(6) 2020 FOR LOOSENING.

Description of Event or Problem · 0

PATIENT HAD A LEFT KNEE SURGERY WHERE STRYKER COMPONENTS WERE IMPLANTED ON (B)(6) 2019. PATIENT WAS REVISED ON (B)(6) 2020 FOR LOOSENING.

Description of Event or Problem · 0

PATIENT HAD A LEFT KNEE SURGERY WHERE STRYKER COMPONENTS WERE IMPLANTED ON (B)(6) 2019. PATIENT WAS REVISED ON (B)(6) 2020 FOR LOOSENING.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2091863 TRIATHLON SYM CONE AUG SZ B PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER KRO STRYKER ORTHOPAEDICS-MAHWAH E39J 07613327000610

Patients

Seq Age Sex Outcome Treatment
1 56 YR Male Hospitalization| R