7MM POLY PCA PRIMARY, METAL BACKED PCA PATELLA

Description of Event or Problem

THE POLY WAS WORN ON THE TIBIA AND PATELLA. DISPOSED OF BY THE HOSPITALDEVICE LABELED FOR SINGLE USE. PATIENT MEDICAL STATUS PRIOR TO EVENT: UNKNOWN. INVALID DATA - REGARDING MULTIPLE PATIENT INVOLVEMENT.INVALID DATA - ON DEVICE SERVICE/MAINTENANCE. NO DATA - REGARDING DATE LAST SERVICED. SERVICE PROVIDED BY: INVALID DATA. INVALID DATA - SERVICE RECORDS AVAILABILITY. NO IMMINENT HAZARD TO PUBLIC HEALTH CLAIMED. INVALID DATA - WHETHER DEVICE USED AS LABELED/INTENDED. INVALID DATA - REGARDING EVALUATION BY USER AFTER EVENT. METHOD OF EVALUATION: NONE OR UNKNOWN. RESULTS OF EVALUATION: NONE OR UNKNOWN. CONCLUSION: NONE OR UNKNOWN. CERTAINTY OF DEVICE AS CAUSE OF OR CONTRIBUTOR TO EVENT: UNKNOWN (CANNOT DETERMINE). CORRECTIVE ACTIONS: NONE OR UNKNOWN. INVALID DATA - ON DEVICE DESTROYED/DISPOSED OF STATUS.