GMK SPHERE TOTAL KNEE SYSTEM

Description of Event or Problem

AT ABOUT 2 MONTHS AFTER THE PRIMARY, THE PATIENT CAME IN DUE TO SIGNS OF INFECTION AND THE PATHOGEN IS UNKNOWN. THE SURGEON PERFORMED A WASHOUT, I&D, AND REVISED THE 11MM FLEX 5L INSERT TO A SAME SIZE INSERT. THE SURGERY WAS COMPLETED SUCCESSFULLY.

Additional Manufacturer Narrative

BATCH REVIEW PERFORMED ON 09 JUNE 2026 LOT 2523360: (B)(4) ITEMS MANUFACTURED AND RELEASED ON 24-OCT-2025. EXPIRATION DATE: 2030-10-09. NO ANOMALIES FOUND RELATED TO THE PROBLEM. TO DATE, (B)(4) ITEMS OF THE SAME LOT HAVE BEEN SOLD WITH NO SIMILAR REPORTED EVENTS DURING THE PERIOD OF REVIEW. ROOT CAUSE:INFECTION IS A KNOWN POSSIBLE COMPLICATION OF ANY SURGERY. ALTHOUGH NO ROOT CAUSE CAN BE ESTABLISHED, THERE IS NO INDICATION THAT ANY ISSUE WITH THE DEVICE MAY HAVE CAUSED OR CONTRIBUTED TO THE EVENT, AND THE DOCUMENT REVIEW DOES NOT INDICATE ANY POTENTIAL MANUFACTURING RELATED CAUSE.