#$%^&*AU2016204364A120160714.pdf#####Abstract A medical device for implantation in a hip joint of a human patient is provided. The natural hip joint having a ball shaped caput femur (5) as the proximal part of the femoral bone (7) with a convex hip joint surface towards the centre of the hip joint and a bowl shaped acetabulum (11) as part of the pelvic bone (9) with a concave hip joint surface towards the centre of the hip joint. The medical device comprising； an artificial caput femur (112), comprising a convex surface towards the centre of the hip joint. The artificial convex caput femur is adapted to, when implanted: be fixated to the pelvic bone of the human patient, and be in movable connection with an artificial acetabulum surface (1340) fixated to the femoral bone of the patient, thereby forming a ball and socket joint. (Fig. 16i)11/21 Fig. 16e Fig.16f 1322 1323 1322 1321 1321 13 20 ---1320 A 9 1 3 2 1 12 1 1 112 1301 Fig 16g 1323 1322 1321 Fig. 16h N -- 1320 1314 1334 -1331 9 1331 112 -- 116, 6- ~ 9 112 13 0 1 / Fig. 16i 121 JAL 1340 s.>； 112, 9 7 116 121
