#$%^&*AU2016200533A120160218.pdf#####- 44ABSTRACT A medical device for implantation in a hip joint of a patient is provided. The medical device comprises a first and second piece and a releasing member adapted to, in a first state hold the first piece attached to the second piece, and in a second state release the first piece from the second piece. The releasing member is adapted to change from the first state to the second state when a pre-determined strain is placed on the releasing member. (fig. 36m)23/23 Fig.36 m, 137 N 9 1371 \ 13~ x 6-