ARTIFICIAL JOINT IMPLANT

专利名称：ARTIFICIAL JOINT IMPLANT发明人：OVERES, Tom,FRIGG, Robert申请号：EP15719405.1申请日：20150415公开号：EP3283014B1公开日：20190807

摘要：An artificial joint implant (1) comprising a first element (2) with a socket (4) and asecond element (3) with a ball head (5), wherein said ball head (5) is insertable in saidsocket (4) such as to form a ball-and-socket connection between said first element (2)and said second element (3), and the movement of said ball head (5) in said socket (4) isrestricted by means of a protrusion (6.1; 6.2) engaged in a groove (7), whereby saidprotrusion (6.1; 6.2) has a central axis A2 and is protruding from the surface of said socket(4) and said groove (7) is provided on the surface of said ball head (5) or vice versa; —saidgroove (7) is positioned along a great circle of said ball head (5) or of said socket (4), —said protrusion (6.1; 6.2) has a shape allowing rotation of the protrusion around its centralaxis A2 when received in the groove (7); and —the surface roughness of the protrusion(6.1; 6.2) and/or of the groove (7) is at most 25 micrometers.

代理机构：Lusuardi, Werther

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