ARTIFICIAL JOINT IMPLANT

An artificial joint implant (1) comprising a first element (2) with a socket (4) and a second element (3) with a ball head (5), wherein said ball head (5) is insertable in said socket (4) such as to form a ball-and-socket connection between said first element (2) and said second element (3), and the...

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Bibliographic Details
Main Authors FRIGG, Robert, OVERES, Tom
Format Patent
LanguageEnglish
French
German
Published 21.02.2018
Subjects
BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PROSTHESES
TREATMENT OR PROTECTION OF EYES OR EARS
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Summary:An artificial joint implant (1) comprising a first element (2) with a socket (4) and a second element (3) with a ball head (5), wherein said ball head (5) is insertable in said socket (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) is restricted by means of a protrusion (6.1; 6.2) engaged in a groove (7), whereby said protrusion (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; -said groove (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 central axis 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.
Bibliography:Application Number: EP20150719405