Knee Arthroplasty System / Knee Prosthesis; models: 6307-00-006 / 6307-00-008 / 6307-00-009; registration 80199020013; risk class III; lots: 61988031; 62054615; 62041152; 6,180,029; 61806575; 62005748; 61815746; 62041157; 61822616; 62005756; 62054626; 62068198; 62128274; 61831823; 61831831; 61850057; 61824682.